Results 61 to 70 of about 129,457 (293)

Trifluoromethoxylated Electron Acceptor Enabling Ternary Organic Solar Cells with over 20% Power Conversion Efficiency

Advanced Functional Materials, EarlyView.
ABSTRACT In this work, we introduce a trifluoromethoxy (OCF3) group as a pseudo‐halogen terminal group design for non‐fullerene acceptors, which combines strong inductive electron‐withdrawing ability with moderate resonance donation. The as‐synthesized BTP‐OCF3, when benchmarked against its methoxy analogue BTP‐OCH3, demonstrates narrowed bandgap ...
Chunliang Li, Anhai Liang, Shuwei Qiu, Gavin Ho Ming Ng, Aleksandr Sergeev, Joshua Yuk Lin Lai, Bosen Zou, Xianghao Zeng, Jicheng Yi, Hongxiang Li, Junpo Guo, Wei Liu, Jia Yao, Kam Sing Wong, Zhipeng Kan, Sai Ho Pun, He Yan   +16 more
wiley   +1 more source

Meeting Global Cooling Demand with Photovoltaics during the 21st Century

, 2019
Space conditioning, and cooling in particular, is a key factor in human productivity and well-being across the globe. During the 21st century, global cooling demand is expected to grow significantly due to the increase in wealth and population in sunny ...
Buonassisi, Tonio, Laine, Hannu S., Looney, Erin E., Peters, Ian Marius, Salpakari, Jyri, Savin, Hele   +5 more
core   +2 more sources

Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System

IEEE Access
In this study, we present a development of a solar-powered Internet-of-Things (IoT) device, that incorporates both light energy harvesting and solar cell monitoring, which we demonstrate by long term monitoring of a single perovskite solar cell in office-
Darjo Ursic, Matija Pirc, Marko Jost, Marko Topic, Marko Jankovec   +4 more
doaj   +1 more source

20%-efficient polycrystalline Cd(Se,Te) thin-film solar cells with compositional gradient near the front junction

Nature Communications, 2022
Bandgap gradient is a promising approach to improve the open-circuit voltage in thin film solar cells. Here, authors incorporate a Cd(O,S,Se,Te) region to realize the bandgap gradient at front interface and demonstrate Cd(Se,Te) solar cells with reduced ...
Deng-Bing Li, Sandip S. Bista, Rasha A. Awni, Sabin Neupane, Abasi Abudulimu, Xiaoming Wang, Kamala K. Subedi, Manoj K. Jamarkattel, Adam B. Phillips, Michael J. Heben, Jonathan D. Poplawsky, David A. Cullen, Randy J. Ellingson, Yanfa Yan   +13 more
doaj   +1 more source

Mission profile concept for PV modules: use case – middle east deserts vs temperate European climate

EPJ Photovoltaics, 2023
The paper addresses the need to simplify the comparison between different climatic conditions. Therefore, the concept of Mission Profiles is introduced to PV.
Jaeckel Bengt, Daßler David, Pander Matthias, John Jim Joseph, Kumar Sagarika, Adothu Baloji   +5 more
doaj   +1 more source

Ultrapurification of Silicon for Photovoltaic Applications [PDF]

, 2010
The recent explosive growth of Photovoltaics and the relative avidity for silicon of the predominant solar cell technology have resulted in a dramatic change of the polysilicon industry structure. While in the past the polysilicon was manufactured almost
Cañizo Nadal, Carlos del, Coso Sánchez, Gonzalo del, Luque López, Antonio   +2 more
core   +2 more sources

In‐Situ Solution Complexation for n‐Type Surface‐Energetics Reconstruction in 2.0 eV Ultra‐Wide‐Bandgap Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
A reactive in situ solution complexation strategy reconstructs the surface of 2.0 eV ultra‐wide‐bandgap perovskites via proton transfer. This chemical modulation eliminates metallic defects and induces a degenerate‐like n‐type surface, establishing an Ohmic tunneling contact.
Saemon Yoon, Han‐Gyun Lim, Jinyoung Kim, Gyu Min Kim, Seojun Lee, Jun Ryu, SungWon Cho, Jincheol Kim, Hyosung Choi, Jung Sang Cho, Jongsung Park, Dong‐Won Kang   +11 more
wiley   +1 more source

Downshifting Encapsulant: Optical Simulation Evaluation of the Solution to Ultraviolet‐Induced Degradation in Silicon Heterojunction Solar Cells

Advanced Energy & Sustainability Research
Ultraviolet (UV)‐induced degradation (UVID) poses a significant challenge for the prospective mass production of silicon heterojunction (SHJ) solar cells, known for their high efficiency. In this study, the magnified impact of UV radiation when employing
Binbin Xu, Karsten Bittkau, Alexander Eberst, Kai Zhang, Yanxin Liu, Jinli Yang, Weiyuan Duan, Muhammad Ainul Yaqin, Vladimir Smirnov, Chunlan Zhou, Wenjing Wang, Xiaohua Xu, Andreas Lambertz, Uwe Rau, Kaining Ding   +14 more
doaj   +1 more source

High Photovoltaic Quantum Efficiency in Ultrathin van der Waals Heterostructures [PDF]

, 2017
We report experimental measurements for ultrathin (< 15 nm) van der Waals heterostructures exhibiting external quantum efficiencies exceeding 50%, and show that these structures can achieve experimental absorbance > 90%.
Atwater, Harry A., Davoyan, Artur R., Jariwala, Deep, Sherrott, Michelle C., Tagliabue, Giulia, Tat, Kevin, Wong, Joeson   +6 more
core   +4 more sources

Establishing a Model Precursor System: Over a Decade of Research on Carbon Dots from the Citric Acid‐Urea System

Advanced Functional Materials, EarlyView.
The citric acid/urea (CA‐Urea) precursor system offers a versatile, scalable route to carbon dots with tunable luminescence and multifunctionality. Mechanistic insights into precursor chemistry and reaction parameters have enabled doping, surface modification, and hybridization strategies, yielding CDs for luminescent devices, sensing, catalysis ...
Yupeng Liu, Zhiqi Cai, Xiangxin Sun, Hanyi Zhang, Yiming Hao, Jun Wu, Zekun Yan, Xue Wu, Yiqi Liang, Liming Wang, Songnan Qu   +10 more
wiley   +1 more source