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Journal articles on the topic 'MAPbCl3'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Verma, Aloke, and Swapnil Jain. "Advances in Methylammonium Lead Halide Perovskites Synthesis, Structural, Optical, and Photovoltaic Insights." Oriental Journal Of Chemistry 40, no. 4 (2024): 1056–60. http://dx.doi.org/10.13005/ojc/400416.

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This study examines the structural, optical, and morphological characteristics of Methylammonium lead halide perovskites (MAPbX3) as potential solar cell candidates. Variable band gaps, extended carrier lifetimes, high absorption coefficients, and solution-processable synthesis techniques are among the numerous advantages of these perovskites. The Hot-Injection Method (HIM) is employed in the study to further investigate the unique properties of MAPbX3 perovskites, which is cost-effective and does not require vacuum. MAPbBr3 and MAPbCl3 crystallize in a cubic phase, whereas MAPbI3 crystallizes

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2

Soro, Donafologo, Klegayere Emmanuel Kone, Amal Bouich, Julia Mari-Guaita, and Bernabe Mari Soucase. "INVESTIGATION ON THE CRYSTALLINITY AND OPTOELECTRONIC PROPERTIES OF THIN FILMS OF ZNO/MAPBX3HETEROJUNCTIONSYNTHESIZED VIA THE SPIN-COATING METHOD." International Journal of Advanced Research 11, no. 06 (2023): 457–64. http://dx.doi.org/10.21474/ijar01/17089.

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In this paper, thin layers of ZnO were deposited onto fluorine-doped tin oxide (FTO) substrates. Subsequently, different layers of perovskite (MAPbX3, X = I, Br, Cl) were spin-coated onto these ZnO layers. The resulting layers were characterized using X-ray diffraction (XRD), UV-Visible spectroscopy, and scanning electron microscopy (SEM). Special attention was given to the surface topography, the crystallinityand optoelectronic properties.XRD analysis of all the thin layers showed two diffraction peaks for the ZnO/MAPbX3 heterojunction corresponding to the crystallographic planes (100) and (2

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3

Lee, Jeong Woo, Furqanul Hassan Naqvi, Jae-Hyeon Ko, Tae Heon Kim, and Chang Won Ahn. "Acoustic Anomalies and the Critical Slowing-Down Behavior of MAPbCl3 Single Crystals Studied by Brillouin Light Scattering." Materials 15, no. 10 (2022): 3692. http://dx.doi.org/10.3390/ma15103692.

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Inelastic light scattering spectra of organic–inorganic halide perovskite MAPbCl3 single crystals were investigated by using Brillouin spectroscopy. Sound velocities and acoustic absorption coefficients of longitudinal and transverse acoustic modes propagating along the cubic [100] direction were determined in a wide temperature range. The sound velocities exhibited softening upon cooling in the cubic phase, which was accompanied by the increasing acoustic damping. The obtained relaxation time showed a critical slowing-down behavior, revealing the order–disorder nature of the phase transition,

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4

Nagabhushana, G. P., Radha Shivaramaiah, and Alexandra Navrotsky. "Direct calorimetric verification of thermodynamic instability of lead halide hybrid perovskites." Proceedings of the National Academy of Sciences 113, no. 28 (2016): 7717–21. http://dx.doi.org/10.1073/pnas.1607850113.

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Hybrid perovskites, especially methylammonium lead iodide (MAPbI3), exhibit excellent solar power conversion efficiencies. However, their application is plagued by poor chemical and structural stability. Using direct calorimetric measurement of heats of formation, MAPbI3 is shown to be thermodynamically unstable with respect to decomposition to lead iodide and methylammonium iodide, even in the absence of ambient air or light or heat-induced defects, thus limiting its long-term use in devices. The formation enthalpy from binary halide components becomes less favorable in the order MAPbCl3, MAP

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5

Emmanuel Koné, Klègayéré, Amal Bouich, Donafologo Soro, and Bernabé Marí Soucase. "Effect of mixed iodine and bromine on optical properties in methylammonium lead chlorine (MAPbCl3) spin-coated on the zinc oxide film." E3S Web of Conferences 412 (2023): 01066. http://dx.doi.org/10.1051/e3sconf/202341201066.

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The optical influence of mixing methylammonium lead chlorine (MAPbCl3) with iodine and bromine was studied in this work. The spin coating method deposited three layers of perovskites (MAPbCl3, MAPbCl2I, and MAPbCl2Br) on a layer of zinc oxide (ZnO). The zinc oxide solution was prepared by dissolving dehydrated zinc acetate [Zn(CH3COO)2, 2H2O]> 99.5% purity in ethanol to give a 0.5 M solution. The perovskite solutions were prepared using lead chloride (PbCl2), methylammonium chloride (MACl), methylammonium iodide (MAI), and methylammonium bromide (MABr). The precursor containing iodine was d

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6

Zhang, Yupeng, Yannan Zhai, Hui Zhang, et al. "A High-Performance UVA Photodetector Based on Polycrystalline Perovskite MAPbCl3/TiO2 Nanorods Heterojunctions." Sensors 23, no. 15 (2023): 6726. http://dx.doi.org/10.3390/s23156726.

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The application of TiO2 nanorods in the field of ultraviolet (UV) photodetectors is hindered by a high dark current, which is attributed to crystal surface defects and intrinsic excitation by carrier thermal diffusion. Here, a photodetector based on polycrystalline perovskite MAPbCl3/TiO2 nanorods heterojunctions has been fabricated to overcome the shortcoming. The structure was composed of horizontal MAPbCl3 polycrystalline and vertically aligned TiO2 nanorods array. Many localized depletion regions at the MAPbCl3/TiO2 interface can reduce the dark current. The TiO2/MAPbCl3 detector shows hig

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7

Naqvi, Furqanul Hassan, and Jae-Hyeon Ko. "Structural Phase Transitions and Thermal Degradation Process of MAPbCl3 Single Crystals Studied by Raman and Brillouin Scattering." Materials 15, no. 22 (2022): 8151. http://dx.doi.org/10.3390/ma15228151.

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Raman spectroscopy was applied to MAPbCl3 single crystals in a wide frequency range from 10 to 3500 cm−1 over a broad temperature range from −196 °C to 200 °C including both two structural phase transitions and a thermal degradation range. Low-frequency lattice modes of MAPbCl3 were revealed for the first time, which showed discontinuous anomalies along with the change in the number of Raman modes at the transition points of −114 °C and −110 °C. Several Raman modes related to the C–N stretching and MA rocking modes in addition to the lattice modes displayed temperature dependences similar to t

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8

Liu, Lei, Dongyu Zhang, Tao Chu, et al. "Inkjet printed organic light-emitting diodes employing organometal-halide perovskite as hole transport layer." Journal of Physics D: Applied Physics 55, no. 10 (2021): 105101. http://dx.doi.org/10.1088/1361-6463/ac3b0f.

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Abstract Due to their narrow spectrum and high photoluminescence quantum yield, organic-inorganic hybrid perovskite materials have become an important emitter for light-emitting diodes (LED). In addition to the perovskite emitters, other perovskite materials such as methyl lead ammonium chloride (MAPbCl3) with high charge mobility can potentially be used as excellent charge transport materials. In this work, phosphorescence LED devices in which MAPbCl3 was employed as hole transport layer (HTL) was designed and fabricated by inkjet printing (IJP) process. Ethanolamine was added to the poly(3,4

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9

Lu, Haizhou, Huotian Zhang, Sijian Yuan, Jiao Wang, Yiqiang Zhan, and Lirong Zheng. "An optical dynamic study of MAPbBr3 single crystals passivated with MAPbCl3/I3-MAPbBr3 heterojunctions." Physical Chemistry Chemical Physics 19, no. 6 (2017): 4516–21. http://dx.doi.org/10.1039/c6cp07182a.

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10

Zhang, Cuiping, Zhipeng Li, Juan Liu, et al. "MAPbCl3-Mediated Decomposition Process to Tune Cl/PbI2 Distribution in MAPbI3 Films." ACS Energy Letters 3, no. 8 (2018): 1801–7. http://dx.doi.org/10.1021/acsenergylett.8b00837.

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11

Franz, Alexandra, Daniel M. Többens, Julia Steckhan, and Susan Schorr. "Determination of the miscibility gap in the solid solutions series of methylammonium lead iodide/chloride." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 74, no. 5 (2018): 445–49. http://dx.doi.org/10.1107/s2052520618010764.

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Perovskites are widely known for their enormous possibility of elemental substitution, which leads to a large variety of physical properties. Hybrid perovskites such as CH3NH3PbI3(MAPbI3) and CH3NH3PbCl3(MAPbCl3) are perovskites with anA[XII]B[VI]X[II]3-structure, whereAis an organic molecule,Bis a lead(II) cation andXis a halide anion of iodine or chlorine. Whereas MAPbCl3crystallizes in the cubic space group Pm{\overline 3}m, MAPbI3is in the tetragonal space groupI4/mcm. The substitution of I by Cl leads to an increased tolerance against humidity but is challenging or even impossible due to

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12

Thatribud, Abdulmutta, and Areefen Rassamesard. "Electronic and optical properties of lead halide perovskite (MAPbX₃) (X = I, Br, and Cl) by first principles calculations." Physica Scripta 97, no. 5 (2022): 055818. http://dx.doi.org/10.1088/1402-4896/ac6543.

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Abstract A fundamental understanding of the size of the halide atoms in the perovskite structure is critical to optoelectric device performance. To understand the electronic and optical properties affected by the different electronegativity of the halide anions (with X = I, Br, and Cl) on the lead halide perovskite CH3NH3PbX3 (MAPbX3), were explored by density functional theory. Band structures were determined by using GGA and TB09. Optical spectra were simulated based on BSE and RPA. The influence of spin–orbit coupling (SOC) on the systems was also considered. The energy gap (Eg) of MAPbI3 i

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13

Ma, Qiang, Yulong Zhang, Chaoqun Lu, et al. "MACl-Induced Controlled Crystallization in Sequentially Deposited Perovskites for High-Efficiency and Stable Perovskite Solar Cells." Coatings 13, no. 11 (2023): 1885. http://dx.doi.org/10.3390/coatings13111885.

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Perovskite solar cells are attracting more and more attention due to their higher absorption and low cost. However, fabricating the perovskite film with high crystallinity and ideal morphology, which presents large-size and uniform particles with fewer grain boundaries, still needs further improvement. Herein, we introduce MAPbCl3 crystals into the PbI2 film in the sequential deposition process, which obtained the controlled crystallization in perovskite films. The perovskite films induced by MAPbCl3 have stronger crystallinity, fewer defect states, and larger grain size, reducing carrier reco

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14

Pan, Yuzhu, Xin Wang, Jingda Zhao, et al. "Photodiodes based on a MAPbBr3/Bi3+-doped MAPbCl3 single crystals heterojunction for the X-ray detection." CrystEngComm 23, no. 28 (2021): 4954–62. http://dx.doi.org/10.1039/d1ce00406a.

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The epitaxially fabricated MAPbBr<sub>3</sub>/Bi<sup>3+</sup>-doped MAPbCl<sub>3</sub> PSCs pN heterojunction shows advanced X-ray detection performance with decreased dark current density and faster response time under relatively high external reverse voltage.

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15

Choi, Ga In, Chung Wung Bark, and Hyung Wook Choi. "Study on a Mixed-Cation Halide Perovskite-Based Deep-Ultraviolet Photodetector." Coatings 13, no. 2 (2023): 248. http://dx.doi.org/10.3390/coatings13020248.

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Deep-ultraviolet (UV) sensing has attracted significant interest because of its wide range of applications. A mixed-cation halide perovskite-based photodetector prepared by mixing CH3NH3PbX3 (X = I, Br, and Cl) and HC(NH2)PbX3 (X = I, Br, and Cl) exhibits high stability and excellent light absorption. In this study, perovskite was prepared by mixing CH3NH3+ (FA+) and HC(NH2)2+ (MA+) cations using I−, Br−, and Cl− halide anions. The bandgaps of the prepared perovskites increased to 1.48, 2.25, and 2.90 eV with I-, Br-, and Cl-, respectively, and the light absorption spectra shifted to shorter w

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16

Cheng, Xiaohua, Lin Jing, Ying Zhao, Songjie Du, Jianxu Ding, and Tianliang Zhou. "Crystal orientation-dependent optoelectronic properties of MAPbCl3 single crystals." Journal of Materials Chemistry C 6, no. 6 (2018): 1579–86. http://dx.doi.org/10.1039/c7tc05156e.

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17

Roy, Sourav, Md Shohanur Rahman, Diponkar Kundu, Farhana Akter Piata, and Md Rafiqul Islam. "Numerical Investigation into Photovoltaic Performance of Organolead Trihalide Perovskite Quantum Dot Intermediate Band Solar Cell." Materials Science Forum 1048 (January 4, 2022): 172–81. http://dx.doi.org/10.4028/www.scientific.net/msf.1048.172.

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In this work, an intermediate band solar cell (IBSC) model consisting of MAPbI3 quantum dots (QD) and MAPbCl3 barrier material is explored analytically with MATLAB. Titanium di-oxide (TiO2) is used as transport layer for electron and Spiro-OMeTAD (2,2',7,7'-tet-rakis (N,N'-di-p-methoxyphenylamine)–9,9' spirobifluorene) is used as transport layer for hole. Fluorine-doped tin oxide (FTO) and Silver (Ag) is used as top and bottom contact. The impact of QD size and dot spacing on the key parameters of MAPbI3 QD-IBSC is illustrated throughout this paper. In order to identify the number of IB in a s

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18

Bernasconi, Andrea, Katharine Page, Zhenbang Dai, Liang Z. Tan, Andrew M. Rappe, and Lorenzo Malavasi. "Ubiquitous Short-Range Distortion of Hybrid Perovskites and Hydrogen-Bonding Role: the MAPbCl3 Case." Journal of Physical Chemistry C 122, no. 49 (2018): 28265–72. http://dx.doi.org/10.1021/acs.jpcc.8b10086.

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19

Cheng, Xiaohua, Lin Jing, Ye Yuan, et al. "Fe2+/Fe3+ Doped into MAPbCl3 Single Crystal: Impact on Crystal Growth and Optical and Photoelectronic Properties." Journal of Physical Chemistry C 123, no. 3 (2019): 1669–76. http://dx.doi.org/10.1021/acs.jpcc.8b12428.

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20

Liu, Shilin, Yijing Din, and Qing Li. "26‐3: Room Temperature Bias‐Selectable, Dual‐Band Ultraviolet/Infrared Detectors Based on PTAA/MAPbCl₃ Single Crystal film Heterojunction." SID Symposium Digest of Technical Papers 55, no. 1 (2024): 325–28. http://dx.doi.org/10.1002/sdtp.17521.

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A single photodetector capable of switching its peak spectral photoresponse between two wavelength bands is highly useful, particularly for the ultraviolet‐infrared bands in applications such as remote sensing, object identification, and chemical sensing. However, it is difficult to realize dual‐frequency ultraviolet/infrared detection with the existing technology. In this study, we leverage the advantages of perovskites materials to demonstrate a bias‐selectable ultraviolet/infrared dual‐band detector that operates at room temperature by using CH3NH3PbCl3 (MAPbCl3) single ctystal film and pol

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21

Bahtiar, Ayi, and Khairul Habibie. "THE STABILITY STUDIES OF MIXED HALIDE PEROVSKITE CH3NH3PbBrXI3-X THIN FILMS IN AMBIENT WITH AIR HUMIDITY 70% USING UV-VIS SPECTROSCOPY AND X-RAY DIFFRACTION." Spektra: Jurnal Fisika dan Aplikasinya 5, no. 2 (2020): 109–18. http://dx.doi.org/10.21009/spektra.052.03.

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Perovskite Solar Cells (PSC), with the efficiency of more than 22%, has shown promising prospects for the future of environmentally friendly technology. However, low stability on humidity is a major problem limiting the commercialization of PSC. The perovskite material commonly used as a perovskite solar-cell active material is methylammonium lead tri-iodide (CH3NH3PbI3 or MAPbI3) prepared with a mixture of methylammonium-iodide (MAI) and lead iodide (PbI2). Perovskite material MAPbI3 is hygroscopic and easily decomposed into its constituent material, thereby reducing the performance of the PS

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22

Tumusange, Marie Solange, Biwas Subedi, Cong Chen, et al. "Impact of Humidity and Temperature on the Stability of the Optical Properties and Structure of MAPbI3, MA0.7FA0.3PbI3 and (FAPbI3)0.95(MAPbBr3)0.05 Perovskite Thin Films." Materials 14, no. 14 (2021): 4054. http://dx.doi.org/10.3390/ma14144054.

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In situ real-time spectroscopic ellipsometry (RTSE) measurements have been conducted on MAPbI3, MA0.7FA0.3PbI3, and (FAPbI3)0.95(MAPbBr3)0.05 perovskite thin films when exposed to different levels of relative humidity at given temperatures over time. Analysis of RTSE measurements track changes in the complex dielectric function spectra and structure, which indicate variations in stability influenced by the underlying material, preparation method, and perovskite composition. MAPbI3 and MA0.7FA0.3PbI3 films deposited on commercial fluorine-doped tin oxide coated glass are more stable than corres

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23

Kil, Da Rim, Chunyuan Lu, Jung-Min Ji, Chul Hoon Kim, and Hwan Kyu Kim. "Dopant-Free Triazatruxene-Based Hole Transporting Materials with Three Different End-Capped Acceptor Units for Perovskite Solar Cells." Nanomaterials 10, no. 5 (2020): 936. http://dx.doi.org/10.3390/nano10050936.

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A series of dopant-free D-π-A structural hole-transporting materials (HTMs), named as SGT-460, SGT-461, and SGT-462, incorporating a planner-type triazatruxene (TAT) core, thieno[3,2-b]indole (TI) π-bridge and three different acceptors, 3-ethylthiazolidine-2,4-dione (ED), 3-(dicyano methylidene)indan-1-one (DI), and malononitrile (MN), were designed and synthesized for application in perovskite solar cells (PrSCs). The effect of three acceptor units in star-shaped D-π-A structured dopant-free HTMs on the photophysical and electrochemical properties and the photovoltaic performance were investi

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24

Junaid, Syed Bilal, Furqanul Hassan Naqvi, and Jae-Hyeon Ko. "The Effect of Cation Incorporation on the Elastic and Vibrational Properties of Mixed Lead Chloride Perovskite Single Crystals." Inorganics 11, no. 10 (2023): 416. http://dx.doi.org/10.3390/inorganics11100416.

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In recent years, there have been intense studies on hybrid organic–inorganic compounds (HOIPs) due to their tunable and adaptable features. This present study reports the vibrational, structural, and elastic properties of mixed halide single crystals of MAxFA1-xPbCl3 at room temperature by introducing the FA cation at the A-site of the perovskite crystal structure. Powder X-ray diffraction analysis confirmed that its cubic crystal symmetry is similar to that of MAPbCl3 and FAPbCl3 with no secondary phases, indicating a successful synthesis of the MAxFA1-xPbCl3 mixed halide single crystals. Str

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25

Fang, Minjie, Sihui Huang, Dong Li, et al. "Stretchable and self-healable organometal halide perovskite nanocrystal-embedded polymer gels with enhanced luminescence stability." Nanophotonics 7, no. 12 (2018): 1949–58. http://dx.doi.org/10.1515/nanoph-2018-0126.

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AbstractStretchable and self-healing polymer gels with luminescent property are very promising materials for next generation soft optical devices. This work presents the preparation of self-healing and luminescent polymer gels by simply blending organometal halide perovskite nanocrystals (OHP NCs) with poly(dimethylsiloxane)-urea copolymer (PDMS-urea). On the one hand, the obtained luminescent gels are not only flexible, stretchable and relatively transparent, they also exhibit excellent self-healing capability due to the reversible hydrogen bonding network in the PDMS-urea copolymer. On the o

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26

Chen, Yan, Siwen Tao, Yaqi Liu, et al. "Synthesis and Characterization of Mixed-Halide Inorganic-Organic Hybrid CH3NH3PbBr2.5Cl0.5 Perovskite for Photodetector Application." Journal of Nanoelectronics and Optoelectronics 16, no. 5 (2021): 707–14. http://dx.doi.org/10.1166/jno.2021.2986.

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Inorganic-organic hybrid perovskite (ABX3, A = organic cation, B = metal ion, X = halogen anion) combines the advantages of inorganic and organic materials. However, the properties and performance of mixed-halide CH3NH3PbBr2.5Cl0.5 (MAPbBr2.5Cl0.5) are still poorly understood. In this study, we synthetized MAPbBr2.5Cl0.5 single crystal and studied its structure, optical, thermal stability properties and optoelectronics applications for photodetector device. Compared with those of MAPbCl3, the interplanar distance of (100) crystal plane for MAPbBr2.5Cl0.5 becomes larger and the absorption spect

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Raheem, Zainab, Zainab. R. Abdulsada, Sally Basim Kadhim, Samir M . AbdulAlmohsin, and Hayder Saadoon Abdulaali. "High Efficiency (22.46) of Solar Cells Based on Perovskites." University of Thi-Qar Journal of Science 10, no. 2 (2023): 187–91. http://dx.doi.org/10.32792/utq/utjsci/v10i2.1140.

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In this research we have considered (CH₃NH₃PbX₃) (X=I,Cl,Br) as an absorber layer and Cu2O/spiro-OMeTAD/ P3hT/PEDOT:PSS as (HTM) along with PCBM/TiO₂ as (ETM). It is a solid-state planar heterojunction p-i-n solar cell with low p-type-doped, CH₃NH₃PbX₃ sandwiched between the p-type is called HTM layer and n-type. SCAPS-1D simulation software is used for numerical simulation to examine the influence of various electrical factors on the efficiency PCBM/CH₃NH₃PbCl3/P3hT,PCBM /CH₃NH₃PbI₃/P3hT,PCBM/MAPbCl₃/Cu2O,TiO2/MAPbCl₃/Sipro-OMeTAD, TiO₂/MAPbI3/Sipro-OMeTAD, PCBM /CH₃NH₃PbBr3/ PEDOT:PSS, and P

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HABIBIE, KHAIRUL, NABILA ASY SYIFA, and AYI BAHTIAR. "PENGARUH PENYISIPAN ION BROMIDA TERHADAP SIFAT OPTIK DAN STRUKTUR KRISTAL LAPISAN TIPIS PEROVSKITE HALIDA CAMPURAN MAPbBrxI3-x." Jurnal Material dan Energi Indonesia 9, no. 02 (2020): 71. http://dx.doi.org/10.24198/jmei.v9i2.26275.

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Sel-surya hibrid organik-inorganik berbasis material perovskite metilammonium timbal iodida atau MAPbI3 sebagai material aktifnya telah berkembang sangat pesat. Saat ini efisiensi konversi sel-surya perovskite telah mencapai 23% untuk sel-surya perovskite murni dan 26% untuk tandem dengan sel-surya silikon. Namun, sel-surya perovskite belum bisa bersaing dengan sel-surya silikon karena masih rendahnya stabilitas material perovskite, terutama terhadap kelembaban, temperatur dan radiasi sinar UV. Perovskite MAPbI3 bersifat higroskopis yang mudah terurai menjadi material penyusunnya yaitu metilam

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Rakowski, Rafal, William Fisher, Joaquín Calbo, et al. "High Power Irradiance Dependence of Charge Species Dynamics in Hybrid Perovskites and Kinetic Evidence for Transient Vibrational Stark Effect in Formamidinium." Nanomaterials 12, no. 10 (2022): 1616. http://dx.doi.org/10.3390/nano12101616.

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Hybrid halide perovskites materials have the potential for both photovoltaic and light-emitting devices. Relatively little has been reported on the kinetics of charge relaxation upon intense excitation. In order to evaluate the illumination power density dependence on the charge recombination mechanism, we have applied a femtosecond transient mid-IR absorption spectroscopy with strong excitation to directly measure the charge kinetics via electron absorption. The irradiance-dependent relaxation processes of the excited, photo-generated charge pairs were quantified in polycrystalline MAPbI3, MA

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Jhou, Jia-Ci, Ashish Gaurav, Chung-Han Chang, and Ching-Fuh Lin. "Enhanced Efficiency of Semitransparent Perovskite Solar Cells via Double-Sided Sandwich Evaporation Technique for Four Terminal Perovskite-Silicon Tandem Application." Nanomaterials 12, no. 9 (2022): 1569. http://dx.doi.org/10.3390/nano12091569.

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Halide perovskite based solar cells (PSC’s) have shown tremendous potential based on its facile fabrication technique, and the low cost of perovskite thin film formation with efficiency passing through an unmatched growth in recent years. High quality film along with morphology and crystallinity of the perovskite layer influences the efficiency and other properties of the perovskite solar cell (PSC). Furthermore, semitransparent perovskite solar cells (ST-PSC) are an area of attraction due to its application in tandem solar cells, although various factors like suitable transparent rear electro

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Chen, Rui-xiang, Xue-qiong Su, Jin Wang, et al. "The roles of surface defects in MAPbBr3 and multi-structures in MAPbI3." Optical Materials 122 (December 2021): 111600. http://dx.doi.org/10.1016/j.optmat.2021.111600.

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Zhao, Zeen, Yecheng Ding, Xuefeng Zhao, et al. "Photo-electro-striction in halide perovskite semiconductors." Applied Physics Letters 121, no. 4 (2022): 041102. http://dx.doi.org/10.1063/5.0099954.

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MAPbI3, MAPbBr3, and CsPbBr3 are excellent halide perovskite semiconductors with super long carrier diffusion length, long minority carrier lifetime, and large light absorption coefficient. Compared with the small intrinsic electrostriction, photocarriers induce a large photostriction in the surface layer. Furthermore, an electric field can efficiently separate the light excited electron–hole pairs, enhance photocarriers diffusion, and finally increase the crystal expansion, i.e., photo-electro-striction. For each crystal under 30 V/mm and in light with 450 nm wavelength and 840 mW/cm2, the ph

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Dang, Zhiya, and Duc Anh Dinh. "Interaction of light with lead halide perovskites: A review." Characterization and Application of Nanomaterials 2, no. 2 (2019): 67. http://dx.doi.org/10.24294/can.v2i2.813.

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Lead halide perovskites are the new rising generation of semiconductor materials due to their unique optical and electrical properties. The investigation of the interaction of halide perovskites and light is a key issue not only for understanding their photophysics but also for practical applications. Hence, tremendous efforts have been devoted to this topic and brunch into two: (i) decomposition of the halide perovskites thin films under light illumination; and (ii) influence of light soaking on their photoluminescence (PL) properties. In this review, we for the first time thoroughly compare

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Baig, Faisal, Yousaf H. Khattak, Shafi Ullah, Bernabé Marí, Saira Beg, and Hanif Ullah. "Numerical Analysis of a Novel FTO/n-MAPbI3/p-MAPbI3/p-MAPbBr3 Organic–Inorganic Lead Halide Perovskite Solar Cell." Journal of Nanoelectronics and Optoelectronics 13, no. 9 (2018): 1320–27. http://dx.doi.org/10.1166/jno.2018.2363.

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Gonzalez-Rodriguez, Roberto, Evan Hathaway, Yuankun Lin, Jingbiao Cui, and Jeffery Coffer. "(Invited) Porous Semiconducting Nanotube Interfaces for Device Applications." ECS Meeting Abstracts MA2024-02, no. 16 (2024): 1672. https://doi.org/10.1149/ma2024-02161672mtgabs.

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Non-lithographic routes to creating curved, non-planar nanostructures and associated interfaces are appealing from both fundamental scientific and applied technological perspectives. For some time, we have been interested in the creation of hollow Si nanotubes with sensitive control of inner tube diameter, wall thickness, and tube length using the sacrificial etching of zinc oxide (ZnO) from Si-coated ZnO nanowires (NWs). With suitable nanotube wall thinness (< 10 nm), porosity in the sidewall morphology is retained as well (pSiNTs). Such structures have been exploited for selected applicat

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Rakita, Yevgeny, Omri Bar-Elli, Elena Meirzadeh, et al. "Tetragonal CH3NH3PbI3 is ferroelectric." Proceedings of the National Academy of Sciences 114, no. 28 (2017): E5504—E5512. http://dx.doi.org/10.1073/pnas.1702429114.

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Halide perovskite (HaP) semiconductors are revolutionizing photovoltaic (PV) solar energy conversion by showing remarkable performance of solar cells made with HaPs, especially tetragonal methylammonium lead triiodide (MAPbI3). In particular, the low voltage loss of these cells implies a remarkably low recombination rate of photogenerated carriers. It was suggested that low recombination can be due to the spatial separation of electrons and holes, a possibility if MAPbI3 is a semiconducting ferroelectric, which, however, requires clear experimental evidence. As a first step, we show that, in o

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Liu, Yiting, Haizhou Lu, Jiaxin Niu, et al. "Temperature-dependent photoluminescence spectra and decay dynamics of MAPbBr3 and MAPbI3 thin films." AIP Advances 8, no. 9 (2018): 095108. http://dx.doi.org/10.1063/1.5042489.

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Ahmad, Zubair, Ali Sehpar Shikoh, Sanghyun Paek, et al. "Degradation analysis in mixed (MAPbI3 and MAPbBr3) perovskite solar cells under thermal stress." Journal of Materials Science: Materials in Electronics 30, no. 2 (2018): 1354–59. http://dx.doi.org/10.1007/s10854-018-0403-4.

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Petrov, Andrey A., Artem A. Ordinartsev, Sergey A. Fateev, Eugene A. Goodilin, and Alexey B. Tarasov. "Solubility of Hybrid Halide Perovskites in DMF and DMSO." Molecules 26, no. 24 (2021): 7541. http://dx.doi.org/10.3390/molecules26247541.

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Solution methods remain the most popular means for the fabrication of hybrid halide perovskites. However, the solubility of hybrid perovskites has not yet been quantitively investigated. In this study, we present accurate solubility data for MAPbI3, FAPbI3, MAPbBr3 and FAPbBr3 in the two most widely used solvents, DMF and DMSO, and demonstrate huge differences in the solubility behavior depending on the solution compositions. By analyzing the donor numbers of the solvents and halide anions, we rationalize the differences in the solubility behavior of hybrid perovskites with various composition

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Nakada, Kousuke, Yuki Matsumoto, Yukihiro Shimoi, Koji Yamada, and Yukio Furukawa. "Temperature-Dependent Evolution of Raman Spectra of Methylammonium Lead Halide Perovskites, CH3NH3PbX3 (X = I, Br)." Molecules 24, no. 3 (2019): 626. http://dx.doi.org/10.3390/molecules24030626.

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We present a Raman study on the phase transitions of organic/inorganic hybrid perovskite materials, CH3NH3PbX3 (X = I, Br), which are used as solar cells with high power conversion efficiency. The temperature dependence of the Raman bands of CH3NH3PbX3 (X = I, Br) was measured in the temperature ranges of 290 to 100 K for CH3NH3PbBr3 and 340 to 110 K for CH3NH3PbI3. Broad ν1 bands at ~326 cm−1 for MAPbBr3 and at ~240 cm−1 for MAPbI3 were assigned to the MA–PbX3 cage vibrations. These bands exhibited anomalous temperature dependence, which was attributable to motional narrowing originating from

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Wang, Ke, Benjamin Ecker, and Yongli Gao. "Photoemission Studies on the Environmental Stability of Thermal Evaporated MAPbI3 Thin Films and MAPbBr3 Single Crystals." Energies 14, no. 7 (2021): 2005. http://dx.doi.org/10.3390/en14072005.

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Hybrid organic inorganic perovskites have been considered as a potential candidate for the next generational solar cell due to their outstanding optoelectronic properties and rapid development in recent years. However, the biggest challenge to prevent them from massive commercial use is their long-term stability. Photoemission spectroscopy has been widely used to investigate properties of the perovskites, which provide critical insights to better understand the degradation mechanisms. In this article, we review mainly our photoemission studies on the degradation processes of perovskite thin fi

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McGovern, Lucie, Moritz H. Futscher, Loreta A. Muscarella, and Bruno Ehrler. "Understanding the Stability of MAPbBr3 versus MAPbI3: Suppression of Methylammonium Migration and Reduction of Halide Migration." Journal of Physical Chemistry Letters 11, no. 17 (2020): 7127–32. http://dx.doi.org/10.1021/acs.jpclett.0c01822.

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Wong, Cathy Y. "(Invited) Understanding Perovskite Nanocrystal Growth Using in Situ Transient Absorption Spectroscopy." ECS Meeting Abstracts MA2022-01, no. 20 (2022): 1083. http://dx.doi.org/10.1149/ma2022-01201083mtgabs.

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Lead halide perovskite nanocrystals (NCs) are promising materials for light-emitting applications. These NCs exhibit high photoluminescence quantum yields, are tunable throughout the visible wavelength region by varying halide composition, and can be easily synthesized using low-cost solution-based methods at ambient conditions. It is important to understand the mechanism by which NCs grow and the impact of growth on the eventual photophysics of the NCs. In this work, we develop a new transient absorption spectrometer that can measure the excited state dynamics of NCs in situ, during their syn

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Ahmad, Zubair, Fakhra Aziz, and Hewa Yaseen Abdullah. "Study on the stability of the mixed (MAPbI3 and MAPbBr3) perovskite solar cells using dopant-free HTL." Organic Electronics 76 (January 2020): 105453. http://dx.doi.org/10.1016/j.orgel.2019.105453.

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Chen, Yan, Xuhong Hou, Siwen Tao, et al. "Synthesis, crystal structure and photoresponse of tetragonal phase single crystal CH3NH3PbCl3." Chemical Communications 56, no. 47 (2020): 6404–7. http://dx.doi.org/10.1039/d0cc02738c.

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In this study, we synthesized tetragonal phase MAPbCl<sub>3</sub> with the P4/mcc (124) space group by a modified inverse temperature crystallization (M-ITC) method. The UV photodetector based on SC T-MAPbCl<sub>3</sub> exhibits high sensitivity.

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Obraztsov, Petr A., Vladislava V. Bulgakova, Pavel A. Chizhov, et al. "Hybrid Perovskite Terahertz Photoconductive Antenna." Nanomaterials 11, no. 2 (2021): 313. http://dx.doi.org/10.3390/nano11020313.

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Hybrid organic–inorganic perovskites, while well examined for photovoltaic applications, remain almost completely unexplored in the terahertz (THz) range. These low-cost hybrid materials are extremely attractive for THz applications because their optoelectronic properties can be chemically engineered with relative ease. Here, we experimentally demonstrate the first attempt to apply solution-processed polycrystalline films of hybrid perovskites for the development of photoconductive terahertz emitters. By using the widely studied methylammonium-based perovskites MAPbI3 and MAPbBr3, we fabricate

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Sharma, Veerendra K., Ashutosh Mohanty, Victoria García Sakai, Madhusudan Tyagi, and D. D. Sarma. "Effect of Halide Variations on Cation Dynamics in MAPbX₃ (X = Cl, Br, and I)." Small, July 7, 2025. https://doi.org/10.1002/smll.202504054.

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AbstractWe investigate the temperature‐dependent dynamics of methylammonium (MA) cations in MAPbCl3 across all crystallographic phases. We identify two distinct motions: i) a threefold rotation around the C–N axis in the orthorhombic phase, with an activation energy of 16 meV, and ii) a fourfold rotation of the entire‐molecule in the tetragonal/cubic phase, with an activation energy of 60 meV. To explore the halide effects, we compare MAPbCl3 with MAPbBr3 and MAPbI3, revealing a strong correlation between rotational motion and halide composition. The onset of the threefold rotation in MAPbCl3

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García-Fernández, Alberto, Birgit Kammlander, Stefania Riva, Håkan Rensmo, and Ute B. Cappel. "Composition dependence of X-ray stability and degradation mechanisms at lead halide perovskite single crystal surfaces." Physical Chemistry Chemical Physics, 2024. http://dx.doi.org/10.1039/d3cp05061k.

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We studied the X-ray stability of five different clean perovskite single crystal surfaces (MAPbI3, MAPbBr3, MAPbCl3, FAPbBr3, CsPbBr3) via photoelectron spectroscopy and observed different degradation paths depending on the exact composition.

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Liu, Chao, Hang Chen, Ping Lin, et al. "Optimized photoelectric characteristics of MAPbCl₃ and MAPbBr₃ composite perovskite single crystal heterojunction photodetector." Journal of Physics: Condensed Matter, July 27, 2022. http://dx.doi.org/10.1088/1361-648x/ac84bc.

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Abstract MAPbBr3 single crystal (SC) thin layer was successfully grown on MAPbCl3 SC substrate to form perovskite SC heterojunction. The X-ray diffraction (XRD) spectra show that the prepared SCs are cubic structures. The Ultraviolet-visible (UV-vis) spectra and transient photoluminescence (TRPL) lifetime diagrams reveal the prepared SC heterojunction retain as excellent quality as the individual perovskite SCs. Planar structure electrodes are deposited by thermal evaporation on the surfaces of MAPbCl3, MAPbBr3, and SCs heterojunction, respectively. The SC heterojunction device performs excell

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Mehra, Sonali, Rahul Pandey, Jaya Madan, et al. "Experimental and Theoretical Investigations of MAPbX₃‐Based Perovskites (X=Cl, Br, I) for Photovoltaic Applications." ChemistryOpen, October 24, 2023. http://dx.doi.org/10.1002/open.202300055.

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AbstractThis work mainly focuses on synthesizing and evaluating the efficiency of methylammonium lead halide‐based perovskite (MAPbX3; X=Cl, Br, I) solar cells. We used the colloidal Hot‐injection method (HIM) to synthesize MAPbX3 (X=Cl, Br, I) perovskites using the specific precursors and organic solvents under ambient conditions. We studied the structural, morphological and optical properties of MAPbX3 perovskites using XRD, FESEM, TEM, UV‐Vis, PL and TRPL (time‐resolved photoluminescence) characterization techniques. The particle size and morphology of these perovskites vary with respect to

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