Results 261 to 270 of about 1,875,449 (340)

Evidence of improved power conversion efficiency in lead-free CsGeI3 based perovskite solar cell heterostructure via scaps simulation

, 2021
Simulation has been performed on fully lead-free inorganic cesium germanium tri-iodide (CsGeI3) perovskite solar cell heterostructure and achieved a champion power conversion efficiency (PCE) of ∼18.30% with significantly improved device parameters.
Abhishek Raj, Manish Kumar, H. Bherwani, Ankit Gupta, A. Anshul   +4 more
semanticscholar   +1 more source

All‐Green Solvent‐Processed Planar Heterojunction Organic Solar Cells with Outstanding Power Conversion Efficiency of 16%

Advanced Functional Materials, 2021
Device engineering is an effective way to improve the photovoltaic performance of organic solar cells (OSCs). Currently, the widely used bulk heterojunction (BHJ) structure has problems such as material solubility limitations and the emerging ...
Jinhua Wan, Li Zeng, Xunfan Liao, Zeng Chen, Siqi Liu, Peipei Zhu, Haiming Zhu, Yiwang Chen   +7 more
semanticscholar   +1 more source

Boosting power conversion efficiency by hybrid triboelectric nanogenerator/silicon tandem solar cell toward rain energy harvesting

, 2021
The weather-dependence and intermittent photoelectric conversion capacity of the traditional photovoltaics call for rational design on device architecture to realize persistent power output under multiple-energy-source stimuli.
Leilei Zhao, Jialong Duan, Liqiang Liu, Jianwei Wang, Yanyan Duan, L. Vaillant-Roca, Xiya Yang, Q. Tang   +7 more
semanticscholar   +1 more source

High Efficiency Thermoelectric Power Conversion

MRS Proceedings, 2005
ABSTRACTRecent efforts at Teledyne Energy Systems, Inc. have lead to significant improvements in thermoelectric (TE) materials and power conversion devices. A number of improved formulations have been identified for standard n-type PbTe and p-type TAGS alloys. The preliminary test results appear to show nearly a 50% increase in the dimensionless figure-
Donald F. Byrnes, Ben Heshmatpour
openaire   +1 more source

Simultaneous Power Conversion Efficiency and Stability Enhancement of Cs2AgBiBr6 Lead‐Free Inorganic Perovskite Solar Cell through Adopting a Multifunctional Dye Interlayer

Advanced Functional Materials, 2020
Perovskite solar cells (PSCs) are highly promising next‐generation photovoltaic devices because of the cheap raw materials, ideal band gap of ≈1.5 eV, broad absorption range, and high absorption coefficient.
Xiaoqin Yang, Yonghui Chen, Pengyun Liu, Huimin Xiang, Wei Wang, R. Ran, Wei Zhou, Zongping Shao   +7 more
semanticscholar   +1 more source

Session 12 overview: Efficient Power Conversion

2016 IEEE International Solid-State Circuits Conference (ISSCC), 2016
The session on Efficient Power Conversion is about improvement of efficiency and versatility in switched-capacitor, inductor-based DC-DC converters, and LED drivers. The first two papers address switched-capacitor power conversion, dealing with loss mechanisms and limited ratios.
Vadim Ivanov, Jaejin Park
openaire   +1 more source

A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency

, 2021
1Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China 2Key Laboratory of Low-grade Energy Utilization Technologies and Systems ...
Jianqiang Qin, Lixiu Zhang, Chuantian Zuo, Zuo Xiao, Yong-bo Yuan, Shangfeng Yang, Feng Hao, Ming Cheng, K. Sun, Q. Bao, Zhengyang Bin, Zhiwen Jin, Liming Ding   +12 more
semanticscholar   +1 more source

Moisture-Resistant FAPbI3 Perovskite Solar Cell with 22.25% Power Conversion Efficiency through Pentafluorobenzyl Phosphonic Acid Passivation.

ChemSusChem, 2020
Perovskite solar cells (PSCs) are displaying auspicious candidacy towards photovoltaic technology based on their features including low-cost assembling, exceptional performance, and low-temperature solution processing. However, the progression of PSCs in
Erdi Akman, A. Shalan, Faranak Sadegh, S. Akin   +3 more
semanticscholar   +1 more source

Ternary organic solar cells offer 14% power conversion efficiency

Science Bulletin, 2017
Zuo, Xiao, Xue, Jia, Liming, Ding
openaire   +3 more sources

An optimized lead-free formamidinium Sn-based perovskite solar cell design for high power conversion efficiency by SCAPS simulation

, 2020
An organic-inorganic perovskite formamidinium tin iodide (HC(NH2)2SnI3– FASnI3) is used as light absorbing layer in photovoltaics due to its lead-free nature, wider bandgap of 1.41 eV and better temperature stability than CH3NH3SnI3.
Manish Kumar, Abhishek Raj, Arvind Kumar, A. Anshul   +3 more
semanticscholar   +1 more source