Results 21 to 30 of about 8,134,536 (213)

Layered structured polyoxovanadate catalysts: Synthesis and performance in olefin epoxidation

Polyoxometalates
Olefin epoxidation is a crucial transformation in organic synthesis, with significant applications in the pharmaceutical and fine chemical industries.
Qichao Yan, Linmeng Lu, Jiawen Li, Ruikang Zhang, Yuanzhe Gao, Li Ma, Zhan-Gang Han   +6 more
doaj   +1 more source

Electrical, morphological and structural properties of RF magnetron sputtered Mo thin films for application in thin film photovoltaic solar cells [PDF]

, 2011
Molybdenum (Mo) thin films were deposited using radio frequency magnetron sputtering, for application as a metal back contact material in ‘‘substrate configuration’’ thin film solar cells.
Forbes, Ian, Zoppi, Guillaume, Beattie, Neil, Major, Jonathan, Jonathan D. Major, Guillaume Zoppi, Ian Forbes, Miles, Robert, Neil S. Beattie, Robert W. Miles   +9 more
core   +1 more source

Optimization of Absorber Layer and Operating Temperature of Copper Indium Gallium Selenide Solar Cells Using Different Metal Contacts

Journal of Applied Sciences and Environmental Management, 2022
Device simulation was employed to investigate the effect of metal back contact electrodes on the performance of n-type CdS/p-CIGS thin film solar cells using varying thicknesses of absorber layer at operating temperature of 300K.
M.A. Salawu, J.B. Lawrence, S.C. Ezike, S. Muhammad, O. Osanyinlusi, A.B. Alabi   +5 more
doaj   +1 more source

Designing of long wavelength cut thin film filter for temperature reduction of concentrator photovoltaic

MATEC Web of Conferences, 2016
This paper presents a comparison of three-dimensional simulation for concentrator photovoltaic module using two types of multi-junction solar cell. Each had its own range of spectral response and based on that range a thin film filter was developed for ...
Ahmad Nawwar, Hatakeyama Keisuke, Ota Yasuyuki, Nishioka Kensuke   +3 more
doaj   +1 more source

Ridge aperture antenna array as a high efficiency coupler for photovoltaic applications [PDF]

, 2011
Weak absorption of light near the absorption band edge of a photovoltaic material is one limiting factor on the efficiency of photovoltaics. This is particularly true for silicon thin-film solar cells because of the short optical path lengths and limited
Kinzel, Edward C., Srisungsitthisunti, Pornsak, Xu, Xianfan, Edward C. Kinzel   +3 more
core   +1 more source

Effect of bridging units on the detection performance of Cd{P4Mo6}2-based electrochemical sensors for trace chromium(VI) and tetracycline

Polyoxometalates
Exploring functional electrochemical sensors for the simultaneous detection of inorganic heavy metal ions and organic antibiotic contaminants in aquatic environments is highly significant.
Xin-Ying Ma, Hao-Xue Bi, Xiu-Juan Zhang, Jing Du, Yuan-Yuan Ma, Zhan-Gang Han   +5 more
doaj   +1 more source

Investigation of surface reactions in metal oxide on Si for efficient heterojunction Si solar cells

APL Materials, 2019
Recently, the transition metal oxide thin film has been actively investigated for doping-free heterojunction Si solar cells. However, most of the research on characterizing the chemical state and work function of the metal oxide thin film has been ...
Yong Hwan Lee, Hee-eun Song, Ka-Hyun Kim, Jihun Oh   +3 more
doaj   +1 more source

Influence of annealing conditions on the performance of sputtered grown CZTS thin film solar cells

AIP Advances, 2022
Kesterite Cu2ZnSnS4 (CZTS), with direct and tunable bandgap, high absorption coefficient, low-cost processing, earth-abundance, and non-toxicity, has become a promising absorber material for emerging thin film solar cells.
Afrina Sharmin, Koushik Kumar, S. M. Mostafa Al Mamun, Mainul Hossain   +3 more
doaj   +1 more source

Tuning the Optoelectronic Properties of Wide Bandgap Perovskites: Data‐Driven Insights from Combinatorial Synthesis and High‐Throughput Experimentation

Advanced Functional Materials, EarlyView.
Combinatorial vapor deposition enables independent tuning of Cs/Pb and Br/Cl in wide‐bandgap perovskites. Automated multimodal mapping of 500+ compositions reveals a high‐energy optical transition that correlates with enhanced photoluminescence, defining a practical Cs/Pb window.
Alexander Wieczorek, Sergey Tsarev, Nathan Rodkey, Oleksandr Pshyk, Stefanie Frick, Maksym V. Kovalenko, Sebastian Siol   +6 more
wiley   +1 more source

Freezing Thermal Cycling Modulation of the Photoelectric Conversion in Organic Metal Halide Perovskites

EcoMat
The industrialization of perovskite thin‐film photovoltaics (PVs) has attracted global attention owing to their high photoelectric conversion efficiencies (PCEs).
Shengjian Qin, Jiayu Song, Yinan Jiao, Jiale Meng, Hang Su, Jinjin Zhao   +5 more
doaj   +1 more source