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Journal articles on the topic 'Efficiency of production of nanostructures'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Shen, Shaohua, and Samuel S. Mao. "Nanostructure designs for effective solar-to-hydrogen conversion." Nanophotonics 1, no. 1 (2012): 31–50. http://dx.doi.org/10.1515/nanoph-2012-0010.

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AbstractConversion of energy from photons in sunlight to hydrogen through solar splitting of water is an important technology. The rising significance of producing hydrogen from solar light via water splitting has motivated a surge of developing semiconductor solar-active nanostructures as photocatalysts and photoelectrodes. Traditional strategies have been developed to enhance solar light absorption (e.g., ion doping, solid solution, narrow-band-gap semiconductor or dye sensitization) and improve charge separation/transport to prompt surface reaction kinetics (e.g., semiconductor combination,

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2

Zhang, Bo, Wenxu Xie, and Yong Xiang. "Development and Prospect of Nanoarchitectured Solar Cells." International Journal of Photoenergy 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/382389.

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This paper gives an overview of the development and prospect of nanotechnologies utilized in the solar cell applications. Even though it is not clearly pointed out, nanostructures indeed have been used in the fabrication of conventional solar cells for a long time. However, in those circumstances, only very limited benefits of nanostructures have been used to improve cell performance. During the last decade, the development of the photovoltaic device theory and nanofabrication technology enables studies of more complex nanostructured solar cells with higher conversion efficiency and lower prod

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3

Bratovčić, Amra, and Vesna Tomašić. "Hydrogen Production Through Newly Developed Photocatalytic Nanostructures and Composite Materials." Processes 13, no. 6 (2025): 1813. https://doi.org/10.3390/pr13061813.

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Photocatalytic hydrogen (H2) production offers a promising solution to energy shortages and environmental challenges by converting solar energy into chemical energy. Hydrogen, as a versatile energy carrier, can be generated through photocatalysis under sunlight or via electrolysis powered by solar or wind energy. However, the advancement of photocatalysis is hindered by the limited availability of effective visible light-responsive semiconductors and the challenges of charge separation and transport. To address these issues, researchers are focusing on the development of novel nanostructured s

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Chang, Yu-Cheng, Yung-Chang Chiao, and Chi-Jung Chang. "Synthesis of g-C3N4@ZnIn2S4 Heterostructures with Extremely High Photocatalytic Hydrogen Production and Reusability." Catalysts 13, no. 8 (2023): 1187. http://dx.doi.org/10.3390/catal13081187.

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The g-C3N4@ZnIn2S4 heterostructures were successfully synthesized through a combination of thermal annealing and hydrothermal methods. To enhance the photocatalytic hydrogen production performance and explore the interface between charge carriers, heterostructures of g-C3N4@ZnIn2S4 were fabricated using varying weights of g-C3N4 nanostructures under visible light irradiation. Remarkably, the photocatalytic hydrogen production efficiency of g-C3N4@ZnIn2S4 heterostructures with 0.01 g g-C3N4 nanostructures was significantly improved, showing approximately 228.6 and 2.58 times higher than that of

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Mi, Zetian. "(Invited) High Efficiency, Ultra-Stable Solar Hydrogen Production." ECS Meeting Abstracts MA2023-02, no. 47 (2023): 2348. http://dx.doi.org/10.1149/ma2023-02472348mtgabs.

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Solar water splitting and green hydrogen fuel production has been extensively studied but are confronted with fundamental challenges of simultaneously achieving both high efficiency and long-term stability. In this presentation, I will report on our recent developments of gallium nitride (GaN) based photoelectrochemical and photocatalytic water splitting studies. By growing GaN nanostructures under N-rich conditions, the surfaces can be transformed to be gallium oxynitride during harsh photocatalysis reaction, which not only further protects the surfaces of the light absorber but leads to sign

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Lee, Sangwoo, A. Young Cho, You Seung Rim, Jun-Young Park, and Taekjib Choi. "Synergistic Design of Anatase–Rutile TiO2 Nanostructured Heterophase Junctions toward Efficient Photoelectrochemical Water Oxidation." Coatings 10, no. 6 (2020): 557. http://dx.doi.org/10.3390/coatings10060557.

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Synergistically designing porous nanostructures and appropriate band alignment for TiO2 heterophase junctions is key to efficient charge transfer, which is crucial in enhancing photoelectrochemical (PEC) water splitting for hydrogen production. Here, we investigate the efficiency of PEC water oxidation in anatase–rutile TiO2 nanostructured heterophase junctions that present the type-II band alignment. We specifically prove the importance of a phase alignment in heterophase junction for effective charge separation. The TiO2 heterophase junctions were prepared by transferring TiO2 nanotube (TNT)

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Cheng, Wei-Yun, Tsung-Hsuan Yu, Kang-Ju Chao, and Shih-Yuan Lu. "Cu2O-decorated CdS nanostructures for high efficiency visible light driven hydrogen production." International Journal of Hydrogen Energy 38, no. 23 (2013): 9665–72. http://dx.doi.org/10.1016/j.ijhydene.2013.05.131.

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Kuo, Hsuan Hung, Mei-Jing Fang, and Yung-Jung Hsu. "Au@Cu₇S₄/ZnS Ternary Yolk@Shell Nanostructures for Photocatalytic Hydrogen Production." ECS Meeting Abstracts MA2024-02, no. 59 (2024): 4016. https://doi.org/10.1149/ma2024-02594016mtgabs.

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Due to energy shortages and environmental issues, sustainable energy and clean fuels are widely researched and highly expected to serve as replacements to solve the problems. Photocatalytic hydrogen production is considered a green and economical approach from the viewpoint of sustainable energy and environment protection. However, photocatalytic hydrogen production suffers from a severe obstacle, which is low energy conversion efficiency, usually about 1% solar to hydrogen (STH) value, hindering it from commercialization. In order to solve the low-efficiency issue, preventing fast recombinati

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De Silva, Umanga, W. P. R. Liyanage, and Manashi Nath. "Magnetic Multifunctional Nanostructures as High-efficiency Catalysts for Oxygen Evolution Reactions." MRS Advances 1, no. 34 (2016): 2401–7. http://dx.doi.org/10.1557/adv.2016.399.

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AbstractThe search for high-efficiency and environmentally benign water splitting catalysts has been on the rise since this process is a source of renewable, clean energy. However the process is inherently slow, especially for the production of O2 from H2O (water oxidation) due to the high electron count and energy intensive bond formation of the reaction. Hence the search for novel catalysts for oxygen evolution reactions (OER) has led researchers to focus on various families of compounds including oxides and recently selenides. Multifunctional nanostructures containing the semiconductor elec

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10

Rosenkranzová, Jana, Elena Miliutina, Vasilii Burtsev, Oleksiy Lyutakov, and Václav Švorčík. "Plasmonic Nanoantennas and Their Utilization for Green Energy." Chemické listy 119, no. 1 (2025): 4–11. https://doi.org/10.54779/chl20250004.

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The increasing energy consumption and the effort to reduce dependence on fossil fuels necessitate a transition to clean and renewable energy sources. Photocatalytic and plasmon-assisted water splitting utilize solar energy to produce hydrogen, which represent a promising alternative to conventional methods of energy storage and transmission. These production processes involve complex electrochemical reactions using suitable catalysts. Plasmonic nanostructures, supporting surface plasmon resonances, enhance the efficiency of these reactions. This article focuses on the principles of these techn

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11

DINAN, BEN, and SHEIKH A. AKBAR. "ONE-DIMENSIONAL OXIDE NANOSTRUCTURES PRODUCED BY GAS PHASE REACTION." Functional Materials Letters 02, no. 03 (2009): 87–94. http://dx.doi.org/10.1142/s1793604709000624.

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One-dimensional (1D) nanostructures are of great interest due to the promise of enhanced properties and improved device performance such as increased efficiency in solar cells by improved charge separation. There are many means of producing 1D nanostructures including chemical synthesis, lithography, template assisted growth and gas phase reaction. While all of these have their advantages and disadvantages, growth by gas phase reaction has the benefit of low cost and scalability to be used in mass production. This work outlines several of the more common growth mechanisms which utilize gas pha

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Mi, Zetian. "(Invited) High Efficiency, Ultras-table Solar Hydrogen Production Utilizing Industry Standard Materials." ECS Meeting Abstracts MA2022-02, no. 48 (2022): 1801. http://dx.doi.org/10.1149/ma2022-02481801mtgabs.

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Solar water splitting and green hydrogen fuel production has been extensively studied but is confronted with fundamental challenges of simultaneously achieving both high efficiency and long-term stability. The commonly utilized approaches include photovoltaic-electrolysis (PV-E), photoelectrochemical, and photocatalytic processes, and numerous materials have been studied. In this presentation, I will report on our recent developments of gallium nitride (GaN) based photoelectrochemical and photocatalytic water splitting studies. GaN is one of the most produced semiconductors. By alloying with i

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Pinto, Odeilson Morais, Rosimara Passos Toledo, Herick Ematne da Silva Barros, et al. "Advances and Challenges in WO3 Nanostructures’ Synthesis." Processes 12, no. 11 (2024): 2605. http://dx.doi.org/10.3390/pr12112605.

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In recent decades, nanoscience has experienced rapid global advancements due to its focus on materials and compounds at the nanoscale with high efficiency across diverse applications. WO3 nanostructures have proven to be a unique material in the development of new technologies due to their electrical, optical, and catalytic properties. They have been used as raw materials for the fabrication of electrochromic devices, optoelectronic devices, hydrogenation catalysts, gas sensors, adsorbents, lithium-ion batteries, solar driven-catalysts, and phototherapy. One of the most striking characteristic

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14

Souza, D. A. R., M. Gusatti, R. Z. Ternus, M. A. Fiori, and H. G. Riella. "In Situ Growth of ZnO Nanostructures on Cotton Fabric by Solochemical Process for Antibacterial Purposes." Journal of Nanomaterials 2018 (August 30, 2018): 1–9. http://dx.doi.org/10.1155/2018/9082191.

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A practical and economical method was developed for the production of an antibacterial cotton fabric using zinc oxide nanostructures without the use of surface modifying agents. In this process, zinc nitrate hexahydrate and potassium hydroxide were used as starting materials and the reaction was performed at 50°C. The in situ growth of ZnO nanostructures on cotton fabric occurred in a single-stage process, and it started when the fabric samples were dipped for 1 min in the solution containing all the starting materials. The treated and untreated fabric samples were characterized by X-ray diffr

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Xie, Shuping, Xinjun Wan, Bo Yang, Wei Zhang, Xiaoxiao Wei, and Songlin Zhuang. "Design and Fabrication of Wafer-Level Microlens Array with Moth-Eye Antireflective Nanostructures." Nanomaterials 9, no. 5 (2019): 747. http://dx.doi.org/10.3390/nano9050747.

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Wafer-level packaging (WLP) based camera module production has attracted widespread industrial interest because it offers high production efficiency and compact modules. However, suppressing the surface Fresnel reflection losses is challenging for wafer-level microlens arrays. Traditional dielectric antireflection (AR) coatings can cause wafer warpage and coating fractures during wafer lens coating and reflow. In this paper, we present the fabrication of a multiscale functional structure-based wafer-level lens array incorporating moth-eye nanostructures for AR effects, hundred-micrometer-level

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16

Сычикова and Ya Sychikova. "PHOTOELECTRIC ENERGY CONVERTER BASED ON NANOSTRUCTURED MATERIALS FOR ENERGY EFFICIENCY AND CONSERVATION." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 3, no. 1 (2016): 53–57. http://dx.doi.org/10.12737/18655.

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The aim of this study is to search for methods to ensure environmental security through the introduction of innovative technologies for the solar industry. To solve the technological problems has been the method of system analysis. To formalize the decision of tasks of rational environmental safety management based on the principle of multilevel decomposition. Development of technological route of production of solar panels based on the principle of «from the particular to the general». The morphology of the nanostructures investigated by the scanning electron microscope.

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17

Suchikova, Y., S. Vambol, V. Vambol, N. Mozaffari, and N. Mozaffari. "Justification of the most rational method for the nanostructures synthesis on the semiconductors surface." Journal of Achievements in Materials and Manufacturing Engineering 1-2, no. 92 (2019): 19–28. http://dx.doi.org/10.5604/01.3001.0013.3184.

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Purpose: of this paper is to justification the most rational method for the nanostructures synthesis on the semiconductors surface, which is capable of providing high quality synthesized nanostructures at low cost and ease of the process. Design/methodology/approach: The choice of the optimal method of synthesis was carried out using the hierarchy analysis method, which is implemented by decomposing the problem into more simple parts and further processing judgments at each hierarchical level using pair comparisons. Findings: The article describes the main methods of synthesis of nanostructure

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18

Pang, Peiyuan, and Guichuan Xing. "Robust transfer-printing method for perovskite films and nanostructures." JUSTC 52, no. 11 (2022): 1. http://dx.doi.org/10.52396/justc-2022-0139.

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Metal halide perovskites, as a promising semiconductor material, have been successfully used in electroluminescent devices because of their desirable characteristics, such as good conductivity, high color purity, tunable bandgap, low cost and solution process ability. In the past few years, significant progress has been made in the development of high-efficiency perovskite light-emitting diodes (PeLEDs). These efficient PeLEDs are mainly achieved by sophisticated spin-coating methods, which can easily control the perovskite's composition, film thickness, morphology and crystallinity. However,

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19

Sledevskis, Eriks, Marina Krasovska, Vjaceslavs Gerbreders, et al. "Impact of ZnO Nanostructure Morphology on Electrochemical Sensing Performance for Lead Ion Detection in Real Water Samples." Chemosensors 13, no. 2 (2025): 62. https://doi.org/10.3390/chemosensors13020062.

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This study investigated the morphological dependence of ZnO nanostructures, specifically nanotube- and nanorod-based electrodes, on their electrochemical performance for the detection of lead ions (Pb2⁺) in aqueous solutions. The results demonstrate that ZnO nanotubes exhibit significantly enhanced sensitivity compared to nanorods during CV measurements. During SWV measurements, the sensitivity (116.79 mA·mM−1) and a lower limit of detection of 0.0437 μM were determined. The hollow, high-aspect-ratio structure of nanotubes provides a larger active surface area and facilitates better ion access

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20

Gholipour, Mohammad Reza, Francois Béland, and Trong-On Do. "Graphitic Carbon Nitride-Titanium Dioxide Nanocomposite for Photocatalytic Hydrogen Production under Visible Light." International Journal of Chemical Reactor Engineering 14, no. 4 (2016): 851–58. http://dx.doi.org/10.1515/ijcre-2015-0094.

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Abstract Hydrogen production from water splitting via photocatalytic reactions can be an alternative clean energy of fossil fuels in the future. Graphitic carbon nitride (g-C3N4) is one of the active photocatalysts in the visible light region that can be combined with other semiconductors in order to increase its photocatalytic efficiency. TiO2 is one of the most appropriate choices to combine with g-C3N4 because of its conduction band edge and variety forms of nanostructures. In this work, nanosheets of g-C3N4 were mixed with the nanoparticles of titanate in order to enhance charge separation

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Zhang, Yu, Chuntian Zhou, Fengfeng Liang, Guangjie Liu, and Jinlong Zhu. "Magnetic Prediction of Doped Two-Dimensional Nanomaterials Based on Swin–Resnet." Coatings 14, no. 10 (2024): 1271. http://dx.doi.org/10.3390/coatings14101271.

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Magnetism is an important property of doped two-dimensional nanostructures. By introducing dopant atoms or molecules, the electronic structure and magnetic behavior of the two-dimensional nanostructures can be altered. However, the complexity of the doping process requires different strategies for the preparation and testing of various types, layers, and scales of doped two-dimensional materials using traditional techniques. This process is resource-intensive, inefficient, and can pose safety risks when dealing with chemically unstable materials. Deep learning-based methods offer an effective

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Kadam, Rupali Nanasaheb, Raosaheb Sopanrao Shendge, and Vishal Vijay Pande. "A review of nanotechnology with an emphasis on Nanoplex." Brazilian Journal of Pharmaceutical Sciences 51, no. 2 (2015): 255–63. http://dx.doi.org/10.1590/s1984-82502015000200002.

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<p>The use of nanotechnology based on the development and fabrication of nanostructures is one approach that has been employed to overcome the challenges involved with conventional drug delivery systems. Formulating Nanoplex is the new trend in nanotechnology. A nanoplex is a complex formed by a drug nanoparticle with an oppositely charged polyelectrolyte. Both cationic and anionic drugs form complexes with oppositely charged polyelectrolytes. Compared with other nanostructures, the yield of Nanoplex is greater and the complexation efficiency is better. Nanoplex are also easier to prepar

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Rushikesh*, Patil, Salve Devadatta, Garale Bharati, Shewalkar Ganesh, and Borse Laxmikant. "A Comprehensive Review on Nanoplex Nanotechnology Strategies." Biosciences Biotechnology Research Asia 21, no. 1 (2024): 247–54. http://dx.doi.org/10.13005/bbra/3220.

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ABSTRACT: One strategy used to get around the problems with conventional medication delivery systems is the use of nanotechnology based on the creation and growth of nanostructures. The newest development in nanotechnology is the creation of Nanoplex. A polyelectrolyte with an oppositely charged drug nanoparticle forms a complex known as a nanoplex. Both cationic and anionic medicines combine with polyelectrolytes that have opposing charges to produce complexes. The yield of Nanoplex is higher and the complexation efficiency is better when compared to other nanostructures. Additionally, nanopl

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Cui, Chenmeng, Haonan Zhang, Dan Wang, Jihuan Song, and Ying Yang. "Multifunctional Design of Catalysts for Seawater Electrolysis for Hydrogen Production." Materials 17, no. 16 (2024): 4057. http://dx.doi.org/10.3390/ma17164057.

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Direct seawater electrolysis is a promising technology within the carbon-neutral energy framework, leveraging renewable resources such as solar, tidal, and wind energy to generate hydrogen and oxygen without competing with the demand for pure water. High-selectivity, high-efficiency, and corrosion-resistant multifunctional electrocatalysts are essential for practical applications, yet producing stable and efficient catalysts under harsh conditions remains a significant challenge. This review systematically summarizes recent advancements in advanced electrocatalysts for seawater splitting, focu

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Alshahrie, Ahmed, Ahmed A. Alghamdi, Prince M. Z. Hasan, et al. "Enhancement in the Performance of Dye Sensitized Solar Cells (DSSCs) by Incorporation of Reduced Graphene Oxide (RGO) and Carbon Nanotubes (CNTs) in ZnO Nanostructures." Inorganics 10, no. 11 (2022): 204. http://dx.doi.org/10.3390/inorganics10110204.

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In this work, a fast, environment-friendly and economic route was used to prepare ZnO and their nanocomposites containing reduced graphene oxide (RGO) and carbon nanotubes (CNTs) for the fabrication of dye-sensitized solar cells (DSSCs). The prepared nanostructures were well-characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and Raman measurements. The XRD, Raman and TEM results confirmed that the ZnO nanostructures were crystallized into the hexagonal phase, and the nanocomposites containing RGO and CNTs. Morp

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Al Thabaiti, Shaeel Ahmed, Zaheer Khan, Khloud Saeed Al-Thubaiti, et al. "Au-Deposited Ce0.5Zr0.5O2 Nanostructures for Photocatalytic H2 Production under Visible Light." Catalysts 13, no. 10 (2023): 1340. http://dx.doi.org/10.3390/catal13101340.

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Pure Ce0.5Zr0.5O2 and Au (0.1–1.0 wt.%)-deposited Ce0.5Zr0.5O2 nanomaterials were synthesized via hydrothermal and non-aqueous precipitation methods using gold acetate as a chloride-free Au precursor. The synthesized nanostructures exhibited enhanced photocatalytic activity for hydrogen production via aqueous bioethanol photoreforming under visible light. Different characterization tools such as powder XRD, HRTEM, FT-IR, DR UV-vis, XPS and N2 gas adsorption were used to analyze the physicochemical properties of the synthesized photocatalysts. The band gap value was lowered from 3.25 eV to 2.86

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Kasar, Poonam Madhukar, Kalyani Sundarrao Kale, and Dipti Ganesh Phadtare. "NANOPLEX: A REVIEW OF NANOTECHNOLOGY APPROACH FOR SOLUBILITY AND DISSOLUTION RATE ENHANCEMENT." International Journal of Current Pharmaceutical Research 10, no. 4 (2018): 6. http://dx.doi.org/10.22159/ijcpr.2018v10i4.28467.

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The use of nanotechnology based on the development and fabrication of nanostructures is one approach that has been employed to overcome the challenges involved with conventional drug delivery systems. Formulating Nanoplex is the new trend in nanotechnology. Nanoplex means drug nanoparticle complex with the oppositely charged polyelectrolyte. In this technique, the cationic or anionic drug is reacted with an oppositely charged polyelectrolyte to form a complex. Compared with other nanostructures, the yield of Nanoplex is greater and the complexation efficiency is better. The nanoplex formed sho

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Cordeiro, Neusmar J. A., Cristina Gaspar, Maria J. de Oliveira, et al. "Fast and Low-Cost Synthesis of MoS2 Nanostructures on Paper Substrates for Near-Infrared Photodetectors." Applied Sciences 11, no. 3 (2021): 1234. http://dx.doi.org/10.3390/app11031234.

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Recent advances in the production and development of two-dimensional transition metal dichalcogenides (2D TMDs) allow applications of these materials, with a structure similar to that of graphene, in a series of devices as promising technologies for optoelectronic applications. In this work, molybdenum disulfide (MoS2) nanostructures were grown directly on paper substrates through a microwave-assisted hydrothermal synthesis. The synthesized samples were subjected to morphological, structural, and optical analysis, using techniques such as scanning electron microscopy (SEM), X-ray diffraction (

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Li, Yaru, Dongsheng Zhang, Wei Qiao, et al. "Nanostructured heterogeneous photocatalyst materials for green synthesis of valuable chemicals." Chemical Synthesis 2, no. 2 (2022): 9. http://dx.doi.org/10.20517/cs.2022.05.

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The photocatalytic process employing nanostructured semiconductor materials has attracted great attention in energy production, CO2 reduction, and water/air purification for decades. Recently, applying heterogeneous photocatalyst for the synthesis of valuable chemicals is gradually emerging and considered as a promising process for the conversion of cheap resources (i.e., biomass derivatives, polyols, and aromatic hydrocarbons). Compared with traditional thermal catalytic approaches, the photocatalytic process provides a mild reaction condition and flexible platform (photocatalyst) that allows

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J. Khalifa, Manal, and Abdulla Ahmed Khalaf. "Enhancing Photovoltaic Efficiency of Porous Silicon Solar Cells with Copper Oxide Nanoparticle Anti-Reflective Coatings." IAR Journal of Engineering and Technology 06, no. 01 (2025): 1–6. https://doi.org/10.47310/iarjet.2025.v06i01.005.

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Innovation in photovoltaic technology is driven by the search for sustainable and effective energy production. In this study, we investigate how Anti-Reflective Coatings (ARCs) made of copper oxide nanoparticles (CuO NPs) might be integrated into Porous Silicon (PS) solar cells to increase photovoltaic efficiency. The main goal is to reduce incident sunlight loss from reflection, which will increase light absorption and energy conversion. Colloidal nanoparticles, or CuO NPs, were synthesized via the electrolysis process and coated onto glass substrates and p-type PS to create films through the

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MERCY, Devadass Jessy, Karthick HARINI, Swaminathan MADHUMITHA, et al. "pH-responsive polymeric nanostructures for cancer theranostics." Journal of Metals, Materials and Minerals 33, no. 2 (2023): 1–15. http://dx.doi.org/10.55713/jmmm.v33i2.1609.

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Responsive polymeric nanostructures are being designed to improve the efficiency of existing treatment techniques by delivering therapeutics in precise locations. The properties of the particles can be altered to act as a probe for imaging applications also. Hence, an effective theranostic agent can be tailor-made to meet the requirements. The pH variability has aroused considerable interest in nano-responsive-stimulus production since the mild acidic condition is a hallmark of the tumor microenvironment. The cargo sealed inside the carrier will be released either by swelling or disassembly of

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Lees, Cassandra M., James L. Lansing, Samantha L. Morelly, Sophia E. Lee, and Maureen H. Tang. "Ni- and Sb-Doped SnO2 Electrocatalysts with High Current Efficiency for Ozone Production via Electrodeposited Nanostructures." Journal of The Electrochemical Society 165, no. 16 (2018): E833—E840. http://dx.doi.org/10.1149/2.0051816jes.

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Yang, Shujie, Victor Klinkov, Natalia Grozova, et al. "Nanostructures and Nanomaterials Integrated into Triboelectric Nanogenerators." Micromachines 16, no. 4 (2025): 403. https://doi.org/10.3390/mi16040403.

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The pursuit of eco-friendly and renewable power generation has driven technological breakthroughs in nanoscale engineering, particularly regarding triboelectric nanogenerators (TENGs). These devices have become a focus of interest due to their capacity to effectively transform kinetic energy into electrical power via combined triboelectrification and electrostatic charge separation mechanisms. TENGs now find expanding implementations across multiple fields including in flexible electronics, autonomous sensing systems, and ambient energy conversion technologies. Enhancing TENG performance criti

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Roychoudhury, Piya, Aleksandra Golubeva, Przemysław Dąbek, et al. "Study on Biogenic Spindle-Shaped Iron-Oxide Nanoparticles by Pseudostaurosira trainorii in Field of Laser Desorption/Ionization Applications." International Journal of Molecular Sciences 23, no. 19 (2022): 11713. http://dx.doi.org/10.3390/ijms231911713.

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Nanostructures-assisted laser desorption/ionization mass spectrometry (NALDI-MS) is gaining attention for the analysis of a wide range of molecules. In this present investigation, Pseudostaurosira trainorii mediated biosynthesized iron-oxide nanoparticles (IONPs) have been utilized as nanostructures assisting ionization and desorption for laser desorption/ionization mass spectrometry (LDI-MS). The chain forming diatom, P. trainorii showed efficiency in the production of IONPs against 0.01 M Fe+3 (pH 2) aqueous solution at the intracellular and extracellular level. The whole biomass and externa

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Alhasan, Sarmad Fawzi Hamza, May A. Abduljabbar, Zahraa S. Alshaikhli, Makram A. Fakhri, and Nor Azizah Parmin. "Fabrication of Solar Cell Based on Copper Oxide Nanostructures Deposited Using Reactive Pulsed Laser Deposition." Defect and Diffusion Forum 418 (August 19, 2022): 99–107. http://dx.doi.org/10.4028/p-a2b0f2.

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The deposition of copper oxide utilizing a pulsed laser deposition technique employing a reactive pulsed laser as a deposition technique is the subject of this study. The wavelength of the pulsed lase used are 1064 nm, the pulse duration is 10 ns, the laser energy of 1000 mj with different substrate temperatures (200, 3300, and 400 oC). The influence of the substrate tampering on the morphological, structural, Photolumencence, and the electrical, and attributes of the fabricated solar cell was recorded and studied using a high purity cupper target and deposited on porous silicon substrates. Wh

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Abdulkareem, Mustafa A., Noor A. Muhsin, and Fouad S. Al Kaabi. "Magnesium Titanate Nanoparticles from Dolomite: Cost-Effective Synthesis and Characterization." Iraqi Journal of Industrial Research 10, no. 2 (2023): 92–97. http://dx.doi.org/10.53523/ijoirvol10i2id306.

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The production of MgTiO3 regular nanoparticles through the reaction of MgSO4 extracted from dolomite with TiO2 has been successfully achieved. In this process, the extraction of MgSO4 from dolomite using H2SO4 precedes the synthesis of MgTiO3 nanoparticles. To ensure the highest purity of the final product, crucial parameters such as starting materials ratio and calcination temperature were meticulously explored. Through systematic experimentation, the optimal conditions for synthesis were determined to be a 1:1.5 ratio of TiO2 to MgSO4, coupled with a calcination temperature of 300 °C. This c

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Dr. Amba Prasad. "Nanophotonic for Efficient Light Harvesting in Greenhouse Agriculture." Knowledgeable Research: A Multidisciplinary Journal 1, no. 11 (2023): 55–61. http://dx.doi.org/10.57067/g7wg5157.

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Nanophotonic has become of great interest as the next-generation strategy towards improving the capture of light efficiency in greenhouse agriculture. The spectral, angular, and polarization properties of sunlight can be tailored by nanophotonic structures through the precise manipulation of light at the nanoscale, hence improving the quality and quantity of light reaching the plants. It will make sure that the most useful wavelengths for photosynthesis reach the crops for healthy growth and maximum agricultural productivity. It is also expected that the utilization of nanophotonic materials,

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Rezaei, Hojatolah, Hamid Omidvar, and Reza Pooladi. "Increasing the Performance of Machinery Tools by Super Hard Nanostructured Materials Reinforced with Nanoporous Aluminium Oxide." Advanced Materials Research 829 (November 2013): 482–86. http://dx.doi.org/10.4028/www.scientific.net/amr.829.482.

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The use of nanostructured thin films to improve physical and mechanical properties of cutting tools have been recently achieved wonderful progress in industrial and research centres. In this present work, anodic aluminium oxide (AAO) film is formed on the cutting tool by anodizing a thin film of aluminium foil. Aluminium coating is performed using an innovative electroplating method. Then the nanometric pores which are formed by the anodizing are filled with the resistant AlTiN using physical vapour deposition (PVD) method. This procedure results in a nanostructure with an aluminium oxide resi

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Hart, Judy N., Yi-Bing Cheng, George P. Simon, and Leone Spiccia. "Alternative Materials and Processing Techniques for Optimized Nanostructures in Dye-Sensitized Solar Cells." Journal of Nanoscience and Nanotechnology 8, no. 5 (2008): 2230–48. http://dx.doi.org/10.1166/jnn.2008.18271.

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Dye-sensitized solar cells (DSSCs) represent an exciting application of nanotechnology and offer an appealing alternative to conventional solar cells based on photovoltaic devices, with significantly reduced production and material costs. However, further improvements are required to enhance the commercial viability of these solar cells. These improvements may be achieved through the careful manipulation of the structure at the nanoscale and the application of novel processing techniques, which may help to increase the efficiency of these solar cells, improve the ease of manufacture and allow

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Jakhrani, Mansab Ali, Muhammad Ali Bhatti, Aneela Tahira, et al. "Biogenic Preparation of ZnO Nanostructures Using Leafy Spinach Extract for High-Performance Photodegradation of Methylene Blue under the Illumination of Natural Sunlight." Molecules 28, no. 6 (2023): 2773. http://dx.doi.org/10.3390/molecules28062773.

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To cope with environmental pollution caused by toxic emissions into water streams, high-performance photocatalysts based on ZnO semiconductor materials are urgently needed. In this study, ZnO nanostructures are synthesized using leafy spinach extract using a biogenic approach. By using phytochemicals contained in spinach, ZnO nanorods are transformed into large clusters assembled with nanosheets with visible porous structures. Through X-ray diffraction, it has been demonstrated that leafy spinach extract prepared with ZnO is hexagonal in structure. Surface properties of ZnO were altered by usi

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Raza, Ali, Syeda Takmeel Zahra, Hadia Noor, et al. "Excellent Photocatalytic Performance Against Amoxicillin Antibiotic and Pt-Free Hydrogen Production Using Fe-Doped ZnS Nanostructures: Reaction Kinetics and Mechanistic Insights." Catalysts 15, no. 2 (2025): 165. https://doi.org/10.3390/catal15020165.

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This research presents the synthesis of Fe-doped ZnS nanocomposites via a chemical route, exploring their photocatalytic activity against amoxicillin (AMX) and evaluating their hydrogen production potential. The synthesized nanocomposites were characterized by several state-of-the-art analytical techniques, such as XRD, SEM, PL, UV adsorption, Raman, TEM, and AFM. The photocatalytic performance revealed significant degradation of AMX under optimal conditions. Specifically, Fe-doped ZnS nanocomposites achieved a degradation efficiency of 94% within 120 min at a photocatalyst dosage of 110 mg. T

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Shah, Kwok Wei, Ghasan Fahim Huseien, and Harn Wei Kua. "A State-of-the-Art Review on Core–Shell Pigments Nanostructure Preparation and Test Methods." Micro 1, no. 1 (2021): 55–85. http://dx.doi.org/10.3390/micro1010006.

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Uses of novel technologies for improving the durability and lifespan of the construction materials have emerged as viable solutions toward the sustainable future wherein the coating industry plays a significant role in economy growth and better livelihoods. Thus, the continual innovation of various technologies to introduce diverse market products has become indispensable. Properties of materials like color stability under UV, elevated temperatures and aggressive environments, and skid and abrasion resistance are the main challenges faced by commercial coating materials, leading to more demand

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Chen, Ziyu, Baolin Xiang, and Yi Yang. "Enhancing Absorption Rate of Perovskite Solar Cells by Incorporating Titanium Triangular Nanoprisms." Journal of Nanoelectronics and Optoelectronics 20, no. 2 (2025): 140–45. https://doi.org/10.1166/jno.2025.3724.

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Since its emergence as an exceptional light-absorbing material, perovskite has revolutionized solar cell efficiency. However, challenges persist in maximizing light harvesting without compromising stability or cost. This study proposes a novel approach to enhance optical absorption in perovskite films by incorporating titanium triangles (TiTs) through a stacked-layer architecture. Unlike conventional plasmonic nanostructures (e.g., Au or Ag nanoparticles), TiTs leverage a unique stacked-layer back-scattering effect rather than relying on localized surface plasmon resonance (LSPR), as demonstra

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Wu, Dongshuang, Yidan Chen, Yuelei Bai, Chuncheng Zhu та Mingyi Zhang. "One-Dimensional La0.2Sr0.8Cu0.4Co0.6O3−δ Nanostructures for Efficient Oxygen Evolution Reaction". Nanomaterials 14, № 1 (2023): 64. http://dx.doi.org/10.3390/nano14010064.

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Producing oxygen and hydrogen via the electrolysis of water has the advantages of a simple operation, high efficiency, and environmental friendliness, making it the most promising hydrogen production method. In this study, La0.2Sr0.8Cu0.4Co0.6O3−δ (LSCC) nanofibers were prepared by electrospinning to utilize non-noble perovskite oxides instead of noble metal catalysts for the oxygen evolution reaction, and the performance and electrochemical properties of LSCC nanofibers synthesized at different firing temperatures were evaluated. In an alkaline environment (pH = 14, 6 M KOH), the nanofibers c

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Shao, Chen, Guojian Yang, Kang Yuan, and Liming Liu. "Super-Hydrophobic Photothermal Copper Foam for Multi-Scenario Solar Desalination: Integrating Anti-Icing, Self-Cleaning, and Mechanical Durability." Coatings 15, no. 5 (2025): 578. https://doi.org/10.3390/coatings15050578.

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Solar desalination is widely regarded as an effective way to solve freshwater scarcity. However, the balance between the costs of micro-nanostructures, thermal regulation, and the durability of interface evaporators must all be considered. In this study, a super-hydrophobic copper foam with hierarchical micro-nanostructures exhibited temperatures greater than 66 °C under solar illumination of 1 kW·m−2. Significantly, the modified copper foam acting as a solar interface evaporator had a water harvesting efficiency of 1.76 kg·m−2·h−1, resulting from its good photothermal conversion and porous sk

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Al-Saeedi, Sameerah I. "Photoelectrochemical Green Hydrogen Production Utilizing ZnO Nanostructured Photoelectrodes." Micromachines 14, no. 5 (2023): 1047. http://dx.doi.org/10.3390/mi14051047.

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One of the emerging and environmentally friendly technologies is the photoelectrochemical generation of green hydrogen; however, the cheap cost of production and the need for customizing photoelectrode properties are thought to be the main obstacles to the widespread adoption of this technology. The primary players in hydrogen production by photoelectrochemical (PEC) water splitting, which is becoming more common on a worldwide basis, are solar renewable energy and widely available metal oxide based PEC electrodes. This study attempts to prepare nanoparticulate and nanorod-arrayed films to bet

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Cargnello, Matteo, Tiziano Montini, Sergey Y. Smolin, et al. "Engineering titania nanostructure to tune and improve its photocatalytic activity." Proceedings of the National Academy of Sciences 113, no. 15 (2016): 3966–71. http://dx.doi.org/10.1073/pnas.1524806113.

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Photocatalytic pathways could prove crucial to the sustainable production of fuels and chemicals required for a carbon-neutral society. Electron−hole recombination is a critical problem that has, so far, limited the efficiency of the most promising photocatalytic materials. Here, we show the efficacy of anisotropy in improving charge separation and thereby boosting the activity of a titania (TiO2) photocatalytic system. Specifically, we show that H2 production in uniform, one-dimensional brookite titania nanorods is highly enhanced by engineering their length. By using complimentary characteri

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Peter Amalathas, Amalraj, and Maan Alkaisi. "Nanostructures for Light Trapping in Thin Film Solar Cells." Micromachines 10, no. 9 (2019): 619. http://dx.doi.org/10.3390/mi10090619.

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Thin film solar cells are one of the important candidates utilized to reduce the cost of photovoltaic production by minimizing the usage of active materials. However, low light absorption due to low absorption coefficient and/or insufficient active layer thickness can limit the performance of thin film solar cells. Increasing the absorption of light that can be converted into electrical current in thin film solar cells is crucial for enhancing the overall efficiency and in reducing the cost. Therefore, light trapping strategies play a significant role in achieving this goal. The main objective

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Zainab SH. Mohammed. "Advancing Bioenergy and Biofuels: Role of Nanotechnology in Sustainable Energy Systems." Journal of Environmental Nanotechnology 14, no. 2 (2025): 82–95. https://doi.org/10.13074/jent.2025.06.2511381.

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The growing necessity to transition from fossil fuels to sustainable energy sources has driven extensive research into advanced technologies that can address the limitations of conventional biofuel production. In this context, nanotechnology has emerged as a transformative platform, offering substantial enhancements in catalytic activity, enzyme immobilization, microbial efficiency, and reaction kinetics. This review provides a critical assessment of recent developments in the application of nanomaterials including metal oxides, carbon-based nanostructures, and bimetallic nanoparticles in the

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Solarska, Renata. "(Invited) A Novel Pathway for the Construction of Core–Shell Photocathodes for PEC Applications." ECS Meeting Abstracts MA2022-02, no. 48 (2022): 1850. http://dx.doi.org/10.1149/ma2022-02481850mtgabs.

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Semiconductor hetero-nanostructures are of great interest for practical use. In this presentation, a novel approach to production of CuO|CuFe2O4 core-shell structure by thermal conversion of CuFe Prussian Blue Analogues will be demonstrated. It represents a new family of photocatalysts that can be used as photoelectrodes able to produce hydrogen under broad spectrum of the visible light. The outstanding photoelectrochemical properties of the photocathodes of CuO|CuFe2O4 have been studied with use of combinatory photo-electrochemical instrumental techniques which proved the electrodes were stab

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