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Journal articles on the topic 'Perovskite'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Zhang, Lei, Mingze Xia, Yuan Zhang, et al. "The Effect of Organic Spacer Cations with Different Chain Lengths on Quasi-Two-Dimensional Perovskite Properties." Inorganics 12, no. 1 (2023): 12. http://dx.doi.org/10.3390/inorganics12010012.

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In the past 20 years, perovskite-related research has attracted wide attention. The related research into two-dimensional/quasi-two-dimensional perovskite has propelled the research of perovskite materials to a new height. To improve the properties of quasi-2D perovskite, improve the stability of materials, and achieve specific functions, using different types, volumes, and lengths of organic spacers is an essential method. In this paper, quasi-2D perovskites with EDA (ethylene diammonium), PDA (1,3-propanediammonium), and BDA (1,4-butanediammonium) (m = 2–4) as organic spacers were prepared,

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2

Zhou, Dahua, Leyong Yu, Peng Zhu, Hongquan Zhao, Shuanglong Feng, and Jun Shen. "Lateral Structured Phototransistor Based on Mesoscopic Graphene/Perovskite Heterojunctions." Nanomaterials 11, no. 3 (2021): 641. http://dx.doi.org/10.3390/nano11030641.

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Due to their outstanding optical properties and superior charge carrier mobilities, organometal halide perovskites have been widely investigated in photodetection and solar cell areas. In perovskites photodetection devices, their high optical absorption and excellent quantum efficiency contribute to the responsivity, even the specific detectivity. In this work, we developed a lateral phototransistor based on mesoscopic graphene/perovskite heterojunctions. Graphene nanowall shows a porous structure, and the spaces between graphene nanowall are much appropriated for perovskite crystalline to mou

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3

Meyer, Edson, Dorcas Mutukwa, Nyengerai Zingwe, and Raymond Taziwa. "Lead-Free Halide Double Perovskites: A Review of the Structural, Optical, and Stability Properties as Well as Their Viability to Replace Lead Halide Perovskites." Metals 8, no. 9 (2018): 667. http://dx.doi.org/10.3390/met8090667.

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Perovskite solar cells employ lead halide perovskite materials as light absorbers. These perovskite materials have shown exceptional optoelectronic properties, making perovskite solar cells a fast-growing solar technology. Perovskite solar cells have achieved a record efficiency of over 20%, which has superseded the efficiency of Gräztel dye-sensitized solar cell (DSSC) technology. Even with their exceptional optical and electric properties, lead halide perovskites suffer from poor stability. They degrade when exposed to moisture, heat, and UV radiation, which has hindered their commercializat

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4

Yang, Bilin, Yujun Xie, Pan Zeng, Yurong Dong, Qiongrong Ou, and Shuyu Zhang. "Tightly Compacted Perovskite Laminates on Flexible Substrates via Hot-Pressing." Applied Sciences 10, no. 6 (2020): 1917. http://dx.doi.org/10.3390/app10061917.

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Pressure and temperature are powerful tools applied to perovskites to achieve recrystallization. Lamination, based on recrystallization of perovskites, avoids the limitations and improves the compatibility of materials and solvents in perovskite device architectures. In this work, we demonstrate tightly compacted perovskite laminates on flexible substrates via hot-pressing and investigate the effect of hot-pressing conditions on the lamination qualities and optical properties of perovskite laminates. The optimized laminates achieved at a temperature of 90 °C and a pressure of 10 MPa could sust

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5

Janendra Pratap, Et al. "Modeling and Investigation of Highly Efficient Environment Friendly Perovskite Solar Cell with CuSbS2 as Hole Transport Layer." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 9 (2023): 4385–93. http://dx.doi.org/10.17762/ijritcc.v11i9.9925.

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The presence of lead and its associated toxicity represents a hindrance to the broad commercial production of lead halide perovskites and their utilization in solar photovoltaic devices. Although lead halide perovskites have found extensive application in solar cell technology, questions have arisen regarding the hazardous nature and durability of lead (Pb) in photovoltaic systems. This research seeks to address these concerns by exploring alternative materials, such as tin-based perovskites, to pave the way for cleaner and more sustainable energy solutions. The scientific community has shown

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6

Yan, Yanfa, and Zhaoning Song. "(Invited) Perovskite/Perovskite Tandem Photoelectrodes for Unassisted Water Splitting." ECS Meeting Abstracts MA2024-01, no. 35 (2024): 1985. http://dx.doi.org/10.1149/ma2024-01351985mtgabs.

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The bandgap tunability and low-temperature processing make halide perovskites excellent candidates for achieving efficient and cost-effective tandem devices for solar cells and solar-driven water electrolysis devices. Here, we report our progress on fabricating perovskite/perovskite tandem cells consisting of two solution-processed perovskite subcells for unassisted water-splitting applications. The perovskite/perovskite tandem photoelectrodes are achieved by monolithically integrating a wide-bandgap (1.7 – 2.1 eV) Pb-based mixed-halide (Br-I) perovskite top subcell and a narrower-bandgap (1.2

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7

McDonald, Calum, Chengsheng Ni, Paul Maguire, et al. "Nanostructured Perovskite Solar Cells." Nanomaterials 9, no. 10 (2019): 1481. http://dx.doi.org/10.3390/nano9101481.

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Over the past decade, lead halide perovskites have emerged as one of the leading photovoltaic materials due to their long carrier lifetimes, high absorption coefficients, high tolerance to defects, and facile processing methods. With a bandgap of ~1.6 eV, lead halide perovskite solar cells have achieved power conversion efficiencies in excess of 25%. Despite this, poor material stability along with lead contamination remains a significant barrier to commercialization. Recently, low-dimensional perovskites, where at least one of the structural dimensions is measured on the nanoscale, have demon

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8

Ji, Long, and Shibin Li. "Large organic cations are beneficial for slowing tin-based perovskites crystallization rate and improving efficiency." Journal of Physics: Conference Series 2306, no. 1 (2022): 012017. http://dx.doi.org/10.1088/1742-6596/2306/1/012017.

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Abstract In the past few years, the efficiency of perovskite cells has been improved rapidly, and the current efficiency can reach 25.8%. Since the lead in perovskite materials will pollute the environment, so people turn their attention to lead-free tin-based perovskites. Tin-based perovskites are becoming a research hotspot recently due to their nontoxic properties. However, due to the fast crystallization rate of tin-based perovskite, the improvement of the efficiency of tin-based perovskite cells is limited. In this work, by introducing ethylammonium iodine (EAI) into FA0.98SnI3 perovskite

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9

Era, Masanao, Yumeko Komatsu, and Naotaka Sakamoto. "Enhancement of Exciton Emission in Lead Halide-Based Layered Perovskites by Cation Mixing." Journal of Nanoscience and Nanotechnology 16, no. 4 (2016): 3338–42. http://dx.doi.org/10.1166/jnn.2016.12295.

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Spin-coated films of a lead halide, PbX: X = I and Br, layered perovskites having cyclohexenylethyl ammonium molecule as an organic layer, which were mixed with other metal halide-based layered perovskites consisting of various divalent metal halides (for example, CaI2, CdI2, FeI2, SnBr2 and so on), were prepared. The results of X-ray diffraction measurements exhibited that solid solution formation between PbX-based layered perovskite and other divalent metal halide-based layered perovskites was observed up to very high molar concentration of 50 molar% in the mixed film samples when divalent c

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10

Korolev, Viacheslav I., Anatoly P. Pushkarev, Petr A. Obraztsov, Anton N. Tsypkin, Anvar A. Zakhidov, and Sergey V. Makarov. "Enhanced terahertz emission from imprinted halide perovskite nanostructures." Nanophotonics 9, no. 1 (2019): 187–94. http://dx.doi.org/10.1515/nanoph-2019-0377.

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AbstractLead halide perovskites were known to be a prospective family of materials for terahertz (THz) generation. On the other hand, perovskite nanostructures, nanoantennas, and metasurfaces allow tailoring perovskites optical characteristics, resulting in more efficient interaction with incident or emitted light. Moreover, the perovskites are robust materials against formation of defects caused by mechanical deformations and can be efficiently nanostructured by various high throughput methods. In this work, we have enhanced THz emission from MAPbI3 perovskite upon femtosecond laser irradiati

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11

Adjogri, Shadrack J., and Edson L. Meyer. "Chalcogenide Perovskites and Perovskite-Based Chalcohalide as Photoabsorbers: A Study of Their Properties, and Potential Photovoltaic Applications." Materials 14, no. 24 (2021): 7857. http://dx.doi.org/10.3390/ma14247857.

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In 2015, a class of unconventional semiconductors, Chalcogenide perovskites, remained projected as possible solar cell materials. The MAPbI3 hybrid lead iodide perovskite has been considered the best so far, and due to its toxicity, the search for potential alternatives was important. As a result, chalcogenide perovskites and perovskite-based chalcohalide have recently been considered options and potential thin-film light absorbers for photovoltaic applications. For the synthesis of novel hybrid perovskites, dimensionality tailoring and compositional substitution methods have been used widely.

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12

Miodyńska, Magdalena, Onur Cavdar, and Anna Panciejko. "KOMPLEKSOWY PRZEGLĄD METOD PREPARATYKI, WŁAŚCIWOŚCI I ZASTOSOWAŃ FOTOKATALITYCZNYCH RÓŻNYCH STRUKTUR PEROWSKITOWYCH." Wiadomości Chemiczne 78, no. 3 (2024): 243–62. https://doi.org/10.53584/wiadchem.2024.03.4.

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Perovskite materials for photocatalytic environmental and energy conversion applications have drawn excessive attention over recent years owing to their unique photoelectric and catalytic properties. As harvesting solar energy within the bounds of possibility is one of the main aims of photocatalysis, many research groups have devoted their efforts to developing perovskite-based photocatalytic materials from perovskite oxide to metal halide and double halide-based perovskite materials with various synthesis strategies. Particularly, halide and double halide-based perovskites are intriguing tha

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13

Wang, Junya, Pengcheng Xu, Xiaobo Ji, Minjie Li, and Wencong Lu. "Feature Selection in Machine Learning for Perovskite Materials Design and Discovery." Materials 16, no. 8 (2023): 3134. http://dx.doi.org/10.3390/ma16083134.

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Perovskite materials have been one of the most important research objects in materials science due to their excellent photoelectric properties as well as correspondingly complex structures. Machine learning (ML) methods have been playing an important role in the design and discovery of perovskite materials, while feature selection as a dimensionality reduction method has occupied a crucial position in the ML workflow. In this review, we introduced the recent advances in the applications of feature selection in perovskite materials. First, the development tendency of publications about ML in pe

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14

Heidari Gourji, Fatemeh, and Dhayalan Velauthapillai. "A Review on Cs-Based Pb-Free Double Halide Perovskites: From Theoretical and Experimental Studies to Doping and Applications." Molecules 26, no. 7 (2021): 2010. http://dx.doi.org/10.3390/molecules26072010.

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Despite the progressive enhancement in the flexibility of Pb-based perovskites for optoelectronic applications, regrettably, they are facing two main challenges; (1) instability, which originates from using organic components in the perovskite structure, and (2) toxicity due to Pb. Therefore, new, stable non-toxic perovskite materials are demanded to overcome these drawbacks. The research community has been working on a wide variety of Pb-free perovskites with different molecular formulas and dimensionality. A variety of Pb-free halide double perovskites have been widely explored by different

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15

Wang, Fangfang, Qing Chang, Yikai Yun, et al. "Hole-Transporting Low-Dimensional Perovskite for Enhancing Photovoltaic Performance." Research 2021 (May 28, 2021): 1–11. http://dx.doi.org/10.34133/2021/9797053.

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Halide perovskites with low-dimensionalities (2D or quasi-2D) have demonstrated outstanding stabilities compared to their 3D counterparts. Nevertheless, poor charge-transporting abilities of organic components in 2D perovskites lead to relatively low power conversion efficiency (PCE) and thus limit their applications in photovoltaics. Here, we report a novel hole-transporting low-dimensional (HT2D) perovskite, which can form a hole-transporting channel on the top surface of 3D perovskite due to self-assembly effects of metal halide frameworks. This HT2D perovskite can significantly reduce inte

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16

Tarasova, Nataliia A. "Heterovalent and isovalent doping of bilayer proton-conducting perovskite SrLa2Sc2O7." Electrochemical Materials and Technologies 2, no. 2 (2023): 20232015. http://dx.doi.org/10.15826/elmattech.2023.2.015.

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Perovskite or perovskite-related structural materials are widely studied for their many functional properties. They can be used as components of energy sources such as solid oxide fuel cells. Along with classical perovskites, layered perovskites can also carry out high-temperature proton transport and are promising materials for use in electrochemical power engineering. In this paper, the possibility of heterovalent and isovalent doping of La and Sc sublattices of bilayer perovskite SrLa2Sc2O7 was made for the first time. It was shown that electrical conductivity increases in the row of bilaye

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17

Kim, Taejun, and Mun Hee Lee. "Display Application and Development Trend of Perovskite Emitters." Journal of Flexible and Printed Electronics 1, no. 1 (2022): 13–28. http://dx.doi.org/10.56767/jfpe.2022.1.1.13.

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Metal Halide Perovskites are receiving great attention as a next-generation emitter for display due to their excellent optoelectronic characteristics such as high photoluminescence quantum yield and narrow emission spectrum. Many research groups and companies are trying to apply perovskite emitters to displays, but for commercialization, some obstacles like low stability must be overcome. Herein, the advantages of applying perovskites in display devices are reviewed. Development progress of perovskite display using a color conversion film and limitations of current perovskite display technolog

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18

Mitchell, Roger H., Mark D. Welch, and Anton R. Chakhmouradian. "Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition." Mineralogical Magazine 81, no. 3 (2017): 411–61. http://dx.doi.org/10.1180/minmag.2016.080.156.

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AbstractOn the basis of extensive studies of synthetic perovskite-structured compounds it is possible to derive a hierarchy of hettotype structures which are derivatives of the arisotypic cubic perovskite structure (ABX3), exemplified by SrTiO3 (tausonite) or KMgF3 (parascandolaite) by: (1) tilting and distortion of the BX6 octahedra; (2) ordering of A- and B-site cations; (3) formation of A-, B- or X-site vacancies. This hierarchical scheme can be applied to some naturally-occurring oxides, fluorides,hydroxides, chlorides, arsenides, intermetallic compounds and silicates which adopt such deri

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19

Chen, Lung-Chien, Ching-Ho Tien, Yang-Cheng Jhou, and Wei-Cheng Lin. "Co-Solvent Controllable Engineering of MA0.5FA0.5Pb0.8Sn0.2I3 Lead–Tin Mixed Perovskites for Inverted Perovskite Solar Cells with Improved Stability." Energies 13, no. 10 (2020): 2438. http://dx.doi.org/10.3390/en13102438.

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Use of a lead–tin mixed perovskite is generally considered an effective method to broaden the absorption wavelength of perovskite thin films. However, the preparation of lead–tin mixed perovskites is a major challenge due to the multivalent state of tin and stability in the atmosphere. This study attempted to replace the organic cation and metal elements of perovskites with a relatively thermal stable formamidinium (FA+) and a more environmentally friendly tin element. MA0.5FA0.5Pb0.8Sn0.2I3 lead–tin mixed perovskite thin films were prepared with the one-step spin-coating method. By adjusting

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20

Wyn Jones, Eurig, Peter James Holliman, Leon Bowen, Arthur Connell, Christopher Kershaw, and Diana Elizabeth Meza-Rojas. "Hybrid Al2O3-CH3NH3PbI3 Perovskites towards Avoiding Toxic Solvents." Materials 13, no. 1 (2020): 243. http://dx.doi.org/10.3390/ma13010243.

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We report the synthesis of organometal halide perovskites by milling CH3NH3I and PbI2 directly with an Al2O3 scaffold to create hybrid Al2O3-CH3NH3PbI3 perovskites, without the use of organic capping ligands that otherwise limit the growth of the material in the three dimensions. Not only does this improve the ambient stability of perovskites in air (100 min versus 5 min for dimethylformamide (DMF)-processed material), the method also uses much fewer toxic solvents (terpineol versus dimethylformamide). This has been achieved by solid-state reaction of the perovskite precursors to produce large

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21

Wang, Lin, Jie Ren, and Hanying Li. "Chiral Perovskite Single Crystals: Toward Promising Design and Application." Materials 18, no. 11 (2025): 2635. https://doi.org/10.3390/ma18112635.

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Organic–inorganic hybrid halide perovskites have emerged as promising optoelectronic materials owing to their exceptional optoelectronic properties and versatile crystal structures. The introduction of chiral organic ligands into perovskite frameworks, breaking the inversion symmetry of the structure, has attracted significant attention toward chiral perovskites. Herein, the recent advances in various synthesis strategies for chiral perovskite single crystals (SCs) are systematically demonstrated. Then, we elucidate an in-depth understanding of the chirality transfer mechanisms from chiral org

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22

Zhang, Taiyang, Yuetian Chen, Miao Kan, et al. "MA Cation-Induced Diffusional Growth of Low-Bandgap FA-Cs Perovskites Driven by Natural Gradient Annealing." Research 2021 (August 18, 2021): 1–11. http://dx.doi.org/10.34133/2021/9765106.

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Low-bandgap formamidinium-cesium (FA-Cs) perovskites of FA1-xCsxPbI3 (x<0.1) are promising candidates for efficient and robust perovskite solar cells, but their black-phase crystallization is very sensitive to annealing temperature. Unfortunately, the low heat conductivity of the glass substrate builds up a temperature gradient within from bottom to top and makes the initial annealing temperature of the perovskite film lower than the black-phase crystallization point (~150°C). Herein, we take advantage of such temperature gradient for the diffusional growth of high-quality FA-Cs perovskites

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23

Burger, Stefan, Shivani Grover, Keith T. Butler, Hanna L. B. Boström, Ricardo Grau-Crespo, and Gregor Kieslich. "Tilt and shift polymorphism in molecular perovskites." Materials Horizons 8, no. 9 (2021): 2444–50. http://dx.doi.org/10.1039/d1mh00578b.

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24

Ogundana, I. J., and S. Y. Foo. "Improving the Morphology of the Perovskite Absorber Layer in Hybrid Organic/Inorganic Halide Perovskite MAPbI3 Solar Cells." Journal of Solar Energy 2017 (May 3, 2017): 1–9. http://dx.doi.org/10.1155/2017/8549847.

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Recently, perovskite solar cells have attracted tremendous attention due to their excellent power conversion efficiency, low cost, simple fabrications, and high photovoltaic performance. Furthermore, the perovskite solar cells are lightweight and possess thin film and semitransparency. However, the nonuniformity in perovskite layer constitutes a major setback to the operation mechanism, performance, reproducibility, and degradation of perovskite solar cells. Therefore, one of the main challenges in planar perovskite devices is the fabrication of high quality films with controlled morphology an

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25

Berhe, Taame Abraha, Wei-Nien Su, and Bing Joe Hwang. "Halide Perovskites’ Multifunctional Properties: Coordination Engineering, Coordination Chemistry, Electronic Interactions and Energy Applications beyond Photovoltaics." Inorganics 12, no. 7 (2024): 182. http://dx.doi.org/10.3390/inorganics12070182.

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Halide perovskite materials have gained enormous attention for their semiconducting properties, higher power conversion efficiency and potential applications in a wide range of fields of study, along with their two key limitations: stability and toxicity. Despite great progress made on halide perovskites and many promising research developments, the issues of stability and toxicity have not been fully resolved. Therefore, the coordination engineering of a new framework to obtain alternative new halide perovskite materials and a fundamental understanding of the coordination chemistry and electr

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26

Zou, Jifan, Mengkai Li, Xiaoyu Zhang, and Weitao Zheng. "Perovskite quantum dots: Synthesis, applications, prospects, and challenges." Journal of Applied Physics 132, no. 22 (2022): 220901. http://dx.doi.org/10.1063/5.0126496.

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Metal-trihalide perovskite quantum dots combine the unique semiconducting properties of bulk perovskites with the controllable exciton dynamics benefiting from the quantum confinement effect. Composition- and size-adjustable electronic and optical properties of perovskites convert into a variety of applications. Here, we start from a brief introduction to perovskite quantum dots, followed by a detailed description of the synthesis methods and surface modification/passivation strategies of these nano-sized particles. Then, we review the applications of perovskite quantum dots including light-em

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Guan, Zhicheng, Hengyu Zhang, and Guang Yang. "Advances in perovskite lasers." Journal of Semiconductors 46, no. 4 (2025): 041401. https://doi.org/10.1088/1674-4926/24100029.

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Abstract Perovskite materials have emerged as promising candidates for various optoelectronic applications owing to their remarkable optoelectronic properties and easy solution processing. Metal halide perovskites, as direct-bandgap semiconductors, show an excellent class of optical gain media, which makes them applicable to the development of low-threshold or even thresholdless lasers. This mini review explores recent advances in perovskite-based laser technology, which have led to chiral single-mode microlasers, low-threshold, external-cavity-free lasing devices at room temperature, and othe

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M A, Gokul, and Atikur Rahman. "Phase evolution of all-inorganic perovskite nanowires during its growth from quantum dots." Nanotechnology 33, no. 8 (2021): 085706. http://dx.doi.org/10.1088/1361-6528/ac37e2.

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Abstract All-inorganic lead-halide perovskites have emerged as an exciting material owing to their excellent optoelectronic properties and high stability over hybrid organometallic perovskites. Nanowires of these materials, in particular, have shown great promise for optoelectronic applications due to their high optical absorption coefficient and low defect state density. However, the synthesis of the most promising alpha-Cesium lead iodide (α-CsPbI3) nanowires is challenging as it is metastable and spontaneously converts to a non-perovskite δ-phase. The hot-injection method is one of the most

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Perez Franco, Jorge A., Antonieta García Murillo, Felipe de J. Carrillo Romo, Issis C. Romero Ibarra, and Arturo Cervantes Tobón. "Identifying Crystal Structure of Halides of Strontium and Barium Perovskite Compounds with EXPO2014 Software." Materials 18, no. 1 (2024): 58. https://doi.org/10.3390/ma18010058.

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The synthesis of ethylamine-based perovskites has emerged to attempt to replace the lead in lead-based perovskites for the alkaline earth elements barium and strontium, introducing chloride halide to prepare the perovskites in solar cell technology. X-ray diffraction studies were conducted, and EXPO2014 software was utilized to resolve the structure. Chemical characterization was performed using Fourier transform infrared spectroscopy, photophysical properties were analyzed through ultraviolet–visible spectroscopy, and photoluminescence properties were determined to confirm the perovskite char

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Kim, Young-Hoon, Himchan Cho, and Tae-Woo Lee. "Metal halide perovskite light emitters." Proceedings of the National Academy of Sciences 113, no. 42 (2016): 11694–702. http://dx.doi.org/10.1073/pnas.1607471113.

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Twenty years after layer-type metal halide perovskites were successfully developed, 3D metal halide perovskites (shortly, perovskites) were recently rediscovered and are attracting multidisciplinary interest from physicists, chemists, and material engineers. Perovskites have a crystal structure composed of five atoms per unit cell (ABX3) with cation A positioned at a corner, metal cation B at the center, and halide anion X at the center of six planes and unique optoelectronic properties determined by the crystal structure. Because of very narrow spectra (full width at half-maximum ≤20 nm), whi

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Hirose, Kei, Ryosuke Sinmyo, and John Hernlund. "Perovskite in Earth’s deep interior." Science 358, no. 6364 (2017): 734–38. http://dx.doi.org/10.1126/science.aam8561.

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Silicate perovskite-type phases are the most abundant constituent inside our planet and are the predominant minerals in Earth’s lower mantle more than 660 kilometers below the surface. Magnesium-rich perovskite is a major lower mantle phase and undergoes a phase transition to post-perovskite near the bottom of the mantle. Calcium-rich perovskite is proportionally minor but may host numerous trace elements that record chemical differentiation events. The properties of mantle perovskites are the key to understanding the dynamic evolution of Earth, as they strongly influence the transport propert

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Bartel, Christopher J., Christopher Sutton, Bryan R. Goldsmith, et al. "New tolerance factor to predict the stability of perovskite oxides and halides." Science Advances 5, no. 2 (2019): eaav0693. http://dx.doi.org/10.1126/sciadv.aav0693.

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Predicting the stability of the perovskite structure remains a long-standing challenge for the discovery of new functional materials for many applications including photovoltaics and electrocatalysts. We developed an accurate, physically interpretable, and one-dimensional tolerance factor, τ, that correctly predicts 92% of compounds as perovskite or nonperovskite for an experimental dataset of 576 ABX3 materials (X = O2−, F−, Cl−, Br−, I−) using a novel data analytics approach based on SISSO (sure independence screening and sparsifying operator). τ is shown to generalize outside the training s

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Barua, Pranta, and Inchan Hwang. "Bulk Perovskite Crystal Properties Determined by Heterogeneous Nucleation and Growth." Materials 16, no. 5 (2023): 2110. http://dx.doi.org/10.3390/ma16052110.

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In metal halide perovskites, charge transport in the bulk of the films is influenced by trapping and release and nonradiative recombination at ionic and crystal defects. Thus, mitigating the formation of defects during the synthesis process of perovskites from precursors is required for better device performance. An in-depth understanding of the nucleation and growth mechanisms of perovskite layers is crucial for the successful solution processing of organic–inorganic perovskite thin films for optoelectronic applications. In particular, heterogeneous nucleation, which occurs at the interface,

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Yu, Guoping, Yuanmei Huang, Danish Khan, et al. "RbPbI₃ Seed Embedding in PbI₂ Substrate Tailors the Facet Orientation and Crystallization Kinetics of Perovskites." Small, October 26, 2023. http://dx.doi.org/10.1002/smll.202307219.

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AbstractHigh power conversion efficiencies (PCEs) in perovskite solar cells (PSCs) have always been awe‐inspiring, but perovskite films scalability is an exacting precondition for PSCs commercial deployment, generally unachievable through the antisolvent technique. On the contrary, in the two‐step sequential method, the perovskite's uncontrolled crystallization and unnecessary PbI2 residue impede the device's performance. These two issues motivated to empower the PbI2 substrate with orthorhombic RbPbI3 crystal seeds, which act as grown nuclei and develop orientated perovskites lattice stacks,

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Lee, Hyeonseok, Taeho Moon, Younghyun Lee, and Jinhyun Kim. "Structural Mechanisms of Quasi-2D Perovskites for Next-Generation Photovoltaics." Nano-Micro Letters 17, no. 1 (2025). https://doi.org/10.1007/s40820-024-01609-9.

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Abstract Quasi-two-dimensional (2D) perovskite embodies characteristics of both three-dimensional (3D) and 2D perovskites, achieving the superior external environment stability structure of 2D perovskites alongside the high efficiency of 3D perovskites. This effect is realized through critical structural modifications in device fabrication. Typically, perovskites have an octahedral structure, generally ABX3, where an organic ammonium cation (A') participates in forming the perovskite structure, with A'(n) (n = 1 or 2) sandwiched between A(n-1)B(n)X(3n+1) perovskite layers. Depending on whether

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Yang, Zhibin, Zhenhua Yu, Haotong Wei, et al. "Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells." Nature Communications 10, no. 1 (2019). http://dx.doi.org/10.1038/s41467-019-12513-x.

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Abstract Developing multijunction perovskite solar cells (PSCs) is an attractive route to boost PSC efficiencies to above the single-junction Shockley-Queisser limit. However, commonly used tin-based narrow-bandgap perovskites have shorter carrier diffusion lengths and lower absorption coefficient than lead-based perovskites, limiting the efficiency of perovskite-perovskite tandem solar cells. In this work, we discover that the charge collection efficiency in tin-based PSCs is limited by a short diffusion length of electrons. Adding 0.03 molar percent of cadmium ions into tin-perovskite precur

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Matsushima, Toshinori, Chuanjiang Qin, Teng Teng, et al. "Efficient Electroluminescence from Organic Fluorophore‐Containing Perovskite Films." Advanced Materials, October 17, 2024. http://dx.doi.org/10.1002/adma.202408775.

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AbstractTwo‐dimensional perovskites containing an organic fluorophore can be a unique emitter for light‐emitting diodes (LEDs). However, external quantum efficiencies (EQEs) of fluorophore‐containing perovskite LEDs reported thus far are still very low. In this study, these are able to boost the EQE to ≈10% by choosing an organic fluorophore with appropriate energy levels for the perovskite structure organization. In the fluorophore‐containing perovskite LEDs, carrier transport and exciton formation take place in the perovskite's metal halide framework, thereby avoiding the direct formation of

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Zhang, Jing, Xinxin Zheng, Qingyue Cui, et al. "Manipulating the Crystallization of Perovskite via Metal‐Free DABCO‐NH₄Cl₃ Addition for High Efficiency Solar Cells." Advanced Functional Materials, June 5, 2024. http://dx.doi.org/10.1002/adfm.202404816.

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AbstractThe performance of perovskite cells closely relies on the quality of films, leading to a special focus on crystallization manipulation and defect control. In this study, a novel approach using 1D metal‐free perovskites, specifically DABCO‐NH4Cl3, is proposed to facilitate the crystallization process of 3D FAPbI3 perovskites, while simultaneously addressing surface defects. Analysis of crystallization kinetics reveals that the introduction of 1D metal‐free perovskites provides numerous nucleation sites, effectively slowing down crystal growth rates and resulting in the formation of unif

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Kundar, Milon, Prasun Kumar, Satinder Kumar Sharma, Ranbir Singh, and Suman Kalyan Pal. "Stable Perovskite Solar Cells Based on Direct Surface Passivation Employing 2D Perovskites." Solar RRL, September 28, 2023. http://dx.doi.org/10.1002/solr.202300572.

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Surface passivation of 3D perovskites with highly stable 2D perovskite is an eﬀective strategy to improve both performance and stability of perovskite solar cells (PSCs). In this study, a new approach has been employed for synthesis of oleic acid (OA) and octylamine (OcA)‐assisted 2D perovskites TEA2PbX4 (X = I, Br) in antisolvent and directly used them for the surface passivation of MAFAPbI3 (3D) perovskite. The grain boundary and interface are both optimized in 3D/2D perovskite by 2D perovskite to improve surface morphology. It is found that the 2D perovskite effectively suppresses carrier r

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Uzurano, Genya, Kentaro Abe, Tomoki Saito, Akihiko Fujii, and Masanori OZAKI. "Layer-number tailoring and template-induced orientation control of 2D perovskite on 3D perovskite by adopting Dion-Jacobson phase." Applied Physics Express, October 7, 2022. http://dx.doi.org/10.35848/1882-0786/ac9883.

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Abstract Orientation-controlled 2D perovskites consisting of octahedral monolayers has been realized on 3D perovskites. By bar-coating a Dion-Jacobson (DJ) phase 2D perovskite precursor solution onto the 3D perovskite thin films, the conversion of the top layer of 3D perovskite to 2D perovskite was promoted, and the optimal 2D/3D heterostructure could be fabricated. The orientation of the DJ 2D perovskite could be controlled horizontally or obliquely according to the 3D perovskite template thin films; the 2D perovskite was obliquely oriented on (200)/(112)-oriented CH3NH3PbI3, and horizontally

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Kore, Bhushan P., Wei Zhang, Billy W. Hoogendoorn, Majid Safdari, and James M. Gardner. "Moisture tolerant solar cells by encapsulating 3D perovskite with long-chain alkylammonium cation-based 2D perovskite." Communications Materials 2, no. 1 (2021). http://dx.doi.org/10.1038/s43246-021-00200-8.

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AbstractLong-term stability is an essential requirement for perovskite solar cells to be commercially viable. Encapsulating 3D perovskites with 2D perovskite structures is an effective strategy for improving resistance to moisture. However, long-chain alkylammonium cation-based 2D perovskites have been rarely studied in solar cells. Here, we study three different alkyl chain length organic cation-based 2D perovskite coatings for 3D perovskites. The 2D perovskite incorporated solar cells show significant improvement in solar cell stability with limited compromise in solar cell efficiency, with

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Zhou, Xianfang, Fei Wang, Yonggui Sun, et al. "N‐Type Doping Characteristics Enabled by 1D Perovskite for Advancing Perovskite Photovoltaics: From 1.55 to 1.85 eV Bandgap." Advanced Energy Materials, May 15, 2025. https://doi.org/10.1002/aenm.202501553.

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AbstractDeveloping low‐dimensional perovskites to enhance both single‐junction and tandem solar cells is of great interest for improving photovoltaic performance and durability. Herein, a novel 1D perovskite based on 1,3‐thiazole‐2‐carboximidamide (TZC) cation is introduced, which exhibits robust chemical interactions with PbI2 and 3D perovskite, enabling the fabrication of high‐quality mixed‐dimensional perovskite films identified by both HR‐TEM and GIWAXS analyses. Benefiting from the lower formation energy barrier of 1D perovskites, they can preferentially form and act as crystal seeds to r

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Yang, Yingguo, Shanglei Feng, Xiaoxi Li, et al. "Synchrotron Radiation‐Based In Situ GIWAXS for Metal Halide Perovskite Solution Spin‐Coating Fabrication." Advanced Science, July 11, 2024. http://dx.doi.org/10.1002/advs.202403778.

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AbstractSolution‐processable perovskite‐based devices are potentially very interesting because of their relatively cheap fabrication cost but outstanding optoelectronic performance. However, the solution spin‐coating process involves complicated processes, including perovskite solution droplets, nucleation of perovskite, and formation of intermediate perovskite films, resulting in complicated crystallization pathways for perovskite films under annealing. Understanding and therefore controlling the fabrication process of perovskites is difficult. Recently, synchrotron radiation‐based in situ gr

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Qiu, Junming, Qisen Zhou, Mei Yu, et al. "Modulating CsPbl₃ crystallization by using diammonium agent for efficient solar cells." SusMat, December 10, 2023. http://dx.doi.org/10.1002/sus2.173.

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AbstractCesium lead triiodide (CsPbI3) perovskite receives tremendous attention for photovoltaic applications, owing to its remarkable thermal stability and optoelectronic properties. However, realizing the CsPbI3 perovskite with high black‐phase stability and optoelectronic properties remains a significant challenge, which largely affects the photovoltaic performance of perovskite solar cells (PSCs). Herein, aromatic ammonium agents are used to modulate the crystallization of the CsPbI3 perovskite to improve its black‐phase stability and optoelectronic properties for efficient PSCs. Systemica

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Feng, Mengjia, Lingkun Kong, Jinlian Chen, Huifang Ma, Chenyang Zha, and Linghai Zhang. "Band alignment engineering of 2D/3D halide perovskite lateral heterostructures." Journal of Chemical Physics 161, no. 2 (2024). http://dx.doi.org/10.1063/5.0214887.

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Two-dimensional (2D)/three-dimensional (3D) halide perovskite heterostructures have been extensively studied for their ability to combine the outstanding long-term stability of 2D perovskites with the superb optoelectronic properties of 3D perovskites. While current studies mostly focus on vertically stacked 2D/3D perovskite heterostructures, a theoretical understanding regarding the optoelectronic properties of 2D/3D perovskite lateral heterostructures is still lacking. Herein, we construct a series of 2D/3D perovskite lateral heterostructures to study their optoelectronic properties and inte

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Dutta, Jayita, Mithun Chennamkulam Ajith, Soumya Dutta, Umesh R. Kadhane, Jinesh Kochupurackal B, and Beena Rai. "An inherent instability study using ab initio computational methods and experimental validation of Pb(SCN)2 based perovskites for solar cell applications." Scientific Reports 10, no. 1 (2020). http://dx.doi.org/10.1038/s41598-020-72210-4.

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Abstract Perovskite materials with ABX3 chemistries are promising candidates for photovoltaic applications, owing to their suitable optoelectronic properties. However, they are highly hydrophilic and unstable in nature, limiting the commercialization of perovskite photovoltaics. Mixed halide ion-doped perovskites are reported to be more stable compared to simple ABX3 chemistries. This paper describes ab initio modeling, synthesis, and characterization of thiocyanate doped lead iodide CH3NH3PbI(3−x)(SCN)x perovskites. Several perovskite chemistries with an increasing concentration of (SCN)− at

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Batool, Syeda Mehak, Khushbo e. Kainat, Suqqyana Fazal, and Fawad Ahmad. "Comprehensive Review on Synthesis of Abox Material and its Catalytic Applications." Journal of Chemistry and Environment, October 17, 2022, 17–55. http://dx.doi.org/10.56946/jce.v1i01.49.

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Perovskites are materials with crystal structures comparable to perovskite (mineral). The backbone of perovskite is calcium titanium oxide (CaTiO3). Perovskite oxides with the general formula ABOx are highly important. In the general formula of perovskite ABX3, A & B are cations, where X is an anion that binds with two cations. Perovskites have proven their versatility in catalysis, photovoltaics, solar cells, electrode conducting material, etc. Due to their unique structural properties and applications, they are compatible with elements having metallic approximately 90% of the periodic ta

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Li, Yumin, Yutian Lei, Haoxu Wang, and Zhiwen Jin. "Two-Dimensional Metal Halides for X-Ray Detection Applications." Nano-Micro Letters 15, no. 1 (2023). http://dx.doi.org/10.1007/s40820-023-01118-1.

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AbstractMetal halide perovskites have recently emerged as promising candidates for the next generation of X-ray detectors due to their excellent optoelectronic properties. Especially, two-dimensional (2D) perovskites afford many distinct properties, including remarkable structural diversity, high generation energy, and balanced large exciton binding energy. With the advantages of 2D materials and perovskites, it successfully reduces the decomposition and phase transition of perovskite and effectively suppresses ion migration. Meanwhile, the existence of a high hydrophobic spacer can block wate

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Hou, Shanyue, Zhu Ma, Yanlin Li, et al. "Bulk In Situ Reconstruction of Heterojunction Perovskite Enabling Stable Solar Cells Over 24% Efficiency." Advanced Functional Materials, October 17, 2023. http://dx.doi.org/10.1002/adfm.202310133.

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AbstractHeterojunction perovskite solar cells combine the stability of 2D perovskites and the high efficiency of 3D perovskites, making them an excellent photovoltaic candidate. While heterojunctions with intermixed or gradient perovskites can reduce surface recombination, the aggregation and phase distribution of 2D perovskite induce transport losses, thereby limiting device fill factors. Accordingly, a bulk in situ reconstruction (BISR) strategy is proposed to induce the reconstruction of 3D perovskites on a minim self‐assembled 2D crystal seed, forming heterojunction perovskite that runs th

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Wu, Wenyi, Jianqiang Zhang, Ciyu Liu, et al. "Spontaneous Cooling Enables High‐Quality Perovskite Wafers for High‐Sensitivity X‐Ray Detectors with a Low‐Detection Limit." Advanced Science, October 21, 2024. http://dx.doi.org/10.1002/advs.202410303.

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AbstractDeveloping high‐quality perovskite wafers is essential for integrating perovskite technology throughout the chip industry chain. In this article, a spontaneous cooling strategy with a hot‐pressing technique is presented to develop high‐purity, wafer‐scale, pinhole‐free perovskite wafers with a reflective surface. This method can be extended to a variety of perovskite wafers, including organic–inorganic, 2D, and lead‐free perovskites. Besides, the size of the wafer with diameters of 10, 15, and 20 mm can be tailored by changing the mold. Furthermore, the mechanism of spontaneous cooling

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