Results 11 to 20 of about 709 (218)

Suppressing thermal quenching via defect passivation for efficient quasi-2D perovskite light-emitting diodes

Light: Science & Applications, 2022
Highly efficient quasi-2D perovskite light-emitting diodes with suppressed thermal quenching by avoiding defect-promoted exciton-phonon coupling were prepared via a phosphate fluorene passivation agent.
Dezhong Zhang, Yunxing Fu, Hongmei Zhan, Chenyang Zhao, Xiang Gao, Chuanjiang Qin, Lixiang Wang   +6 more
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Efficient single-component white light emitting diodes enabled by lanthanide ions doped lead halide perovskites via controlling Förster energy transfer and specific defect clearance

Light: Science & Applications, 2022
Highly efficient and stable white LEDs were fabricated based on Eu3+ doped CsxK1-xPbCl3 PeNCs, in which the PeNC film experienced the band engineering and defect passivation treatment.
Rui Sun, Donglei Zhou, Yujiao Ding, Yue Wang, Yuqi Wang, Xinmeng Zhuang, Shuainan Liu, Nan Ding, Tianyuan Wang, Wen Xu, Hongwei Song   +10 more
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Low Dark Current and Performance Enhanced Perovskite Photodetector by Graphene Oxide as an Interfacial Layer

Nanomaterials, 2022
Organic-inorganic hybrid perovskite photodetectors are gaining much interest recently for their high performance in photodetection, due to excellent light absorption, low cost, and ease of fabrication. Lower defect density and large grain size are always
Ali Hassan, Muhammad Azam, Yeong Hwan Ahn, Muhammad Zubair, Yu Cao, Abbas Ahmad Khan   +5 more
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Passivating the sulfur vacancy in monolayer MoS2

APL Materials, 2018
Various methods to passivate the sulfur vacancy in 2D MoS2 are modeled using density functional theory (DFT) to understand the passivation mechanism at an atomic scale.
Haichang Lu, Andrew Kummel, John Robertson   +2 more
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Oxygen vacancies and carrier mobility at the a-ZrO2/Si(001) interface [PDF]

APL Electronic Devices
Based on density-functional theory combined with molecular dynamics simulations, we systematically investigate the effects of oxygen vacancy defects on the electronic structure, interfacial charge transfer, and carrier transport properties of the ...
Muti Feng, Bo Xiang, Hai Wang, Ziqiang Zhang, Long Guo, Qingbo Wang, Yuzheng Guo, Lei Jin, Hongxia Zhong   +8 more
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Surface Passivation with Selected Phosphine Oxide Molecules for Efficient Pure‐Blue Mixed‐Halide Perovskite Quantum Dot Light‐Emitting Diodes

Advanced Materials Interfaces, 2023
Passivation of defects in halide perovskite using phosphine oxide or alkyl‐phosphonate has recently obtained a few remarkable achievements. However, effective application of phosphine oxide or alky‐phosphonate in passivating perovskite quantum dots (QDs)
Fang Chen, Dingshuo Zhang, Qiaopeng Cui, Xingliang Dai, Peiqing Cai, Zhizhen Ye, Haiping He   +6 more
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Organic Passivation of Deep Defects in Cu(In,Ga)Se2 Film for Geometry-Simplified Compound Solar Cells

Research, 2023
Diverse defects in copper indium gallium diselenide solar cells cause nonradiative recombination losses and impair device performance. Here, an organic passivation scheme for surface and grain boundary defects is reported, which employs an organic ...
Jingwei Chen, Xuan Chang, Jianxin Guo, Qing Gao, Xuning Zhang, Chenxu Liu, Xueliang Yang, Xin Zhou, Bingbing Chen, Feng Li, Jianming Wang, Xiaobing Yan, Dengyuan Song, Han Li, Benjamin S. Flavel, Shufang Wang, Jianhui Chen   +16 more
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Passive film formation and corrosion resistance of laser-powder bed fusion fabricated NiTi shape memory alloys

Journal of Materials Research and Technology, 2023
Electrochemical tests and surface analysis measurements were performed to study the corrosion behavior in a 0.9 wt.% NaCl solution at 37 °C of three NiTi shape memory alloys fabricated by laser-powder bed fusion (L-PBF).
Ming Liu, Jia-Ning Zhu, V.A. Popovich, E. Borisov, J.M.C. Mol, Y. Gonzalez-Garcia   +5 more
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Dielectric Front Passivation for Cu(In,Ga)Se2 Solar Cells: Status and Prospect

Advanced Energy & Sustainability Research, 2023
Cu(In,Ga)Se2 (CIGSe) solar cells are among the most efficient thin‐film solar cells on lab scale. However, this thin‐film technology has relatively large upscaling losses for commercial technology.
Jessica de Wild, Romain Scaffidi, Guy Brammertz, Gizem Birant, Bart Vermang   +4 more
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Bidirectional passivation of the SnO2/perovskite interface in perovskite solar cells through organic salt 3-Hydroxytyramine hydrochloride

Chemistry of Inorganic Materials, 2023
SnO2 offers compelling advantages as an excellent electron transport layer material in perovskite solar cells. However, the defects caused by oxygen vacancies are unfavorable to the interface contact and would hinder the device performance.
Hengda Yao, Yinyan Xu, Mengjie Dai, Lun Zhang, Pujun Niu, Ziying Wen, Mei Lyu, Jun Zhu   +7 more
doaj   +1 more source