Výsledky vyhledávání

Achieving High-Quality Sn–Pb Perovskite Films on Complementary Metal-Oxide-Semiconductor-Compatible Metal/Silicon Substrates for Efficient Imaging Array

Autor: Fei Ye, Wallace C. H. Choy, Yanfa Yan, Hugh L. Zhu, Hong Lin, Wan-Jian Yin, Zhilong Song, Zishuai Wang, Hong Zhang

Publikováno v: ACS Nano. 13:11800-11808

Although Sn-Pb perovskites sensing near-ultraviolet-visible-near-infrared light could be an attractive alternative to silicon in photodiodes and imaging, there have been no clear studies on such devices constructed on metal/silicon substrates, hinder

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f43b56f4d06d4ca10c8fdcce00ce02
https://doi.org/10.1021/acsnano.9b05774

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Thick TiO2-Based Top Electron Transport Layer on Perovskite for Highly Efficient and Stable Solar Cells

Autor: Kok Wai Cheah, Xingang Ren, Fei Ye, Zhanfeng Huang, Dan Ouyang, Yong Zhao, Wallace C. H. Choy, Hugh L. Zhu, Alex K.-Y. Jen, Hong Zhang

Publikováno v: ACS Energy Letters. 3:2891-2898

Simultaneously achieving high efficiency, long-term stability, and robust fabrication with good reproducibility in perovskite solar cells (PVSCs) is essential for their practical applications. Herein, we first demonstrate a thick TiO2 backbone film d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ef87499d1f0f48dd0da2f517f886cb2
https://doi.org/10.1021/acsenergylett.8b01507

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Pre- and post-treatments free nanocomposite based hole transport layer for high performance organic solar cells with considerably enhanced reproducibility

Autor: Xingang Ren, Wallace C. H. Choy, Jian Mao, Chunjun Liang, Vellaisamy A. L. Roy, Hugh L. Zhu, Jiaqi Cheng, Jiaqing Zhuang

Publikováno v: Nano Energy. 34:76-85

In this work, we demonstrate a one-step room-temperature ethanol-processed nickel oxide (NiOx):electron acceptor nanocomposite functioning as efficient hole transport layer (HTL). Specifically, one-step refers to the formation of the nanocomposite HT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7405a8a7985e1d8a36edd23783a8d23
https://doi.org/10.1016/j.nanoen.2017.02.021

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Quantifying Efficiency Loss of Perovskite Solar Cells by a Modified Detailed Balance Model

Autor: Alex K.-Y. Jen, Francis Lin, Wei E. I. Sha, Hugh L. Zhu, Xingang Ren, Wallace C. H. Choy, Zishuai Wang, Hong Zhang

A modified detailed balance model is built to understand and quantify efficiency loss of perovskite solar cells. The modified model captures the light-absorption dependent short-circuit current, contact and transport-layer modified carrier transport,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72acf45351006bf1940d53edb23df265

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A low temperature gradual annealing scheme for achieving high performance perovskite solar cells with no hysteresis

Autor: Huimin Su, Liang-Sheng Liao, Kam Sing Wong, Hugh L. Zhu, Jian Liu, Hong Zhang, Wallace C. H. Choy, Su Zhang, Mei-Feng Xu

Publikováno v: Journal of Materials Chemistry A. 3:14424-14430

CH3NH3PbI3 is commonly used in perovskite solar cells due to its long diffusion length and good crystallinity. In this paper, in the one-step approach using CH3NH3I and PbCl2 for forming the perovskite, we present a new low temperature annealing appr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ce079a91d6e566aa4dfc355892b49c3
https://doi.org/10.1039/c5ta02730f

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Lending Triarylphosphine Oxide to Phenanthroline: a Facile Approach to High-Performance Organic Small-Molecule Cathode Interfacial Material for Organic Photovoltaics utilizing Air-Stable Cathodes

Autor: Wallace C. H. Choy, Wei Chen, Xinchen Li, Wan-Yi Tan, Shunmian Lu, Li Min, Xu-Hui Zhu, Hugh L. Zhu, Rui Wang, Gang Liu, Yong Cao, Feng Li, Qiming Peng, Junbiao Peng, Ping Chen

Publikováno v: Advanced Functional Materials. 24:6540-6547

Cathode interfacial material (CIM) is critical to improving the power conversion efficiency (PCE) and long-term stability of an organic photovoltaic cell that utilizes a high work function cathode. In this contribution, a novel CIM is reported throug

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d0d3028d70e4657052d2b670ba876e5
https://doi.org/10.1002/adfm.201401685

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Photovoltaic Mode Ultraviolet Organic Photodetectors with High On/Off Ratio and Fast Response

Autor: Wei E. I. Sha, Wallace C. H. Choy, Xingang Ren, Hugh L. Zhu

Publikováno v: Advanced Optical Materials. 2:1082-1089

Ultraviolet (UV) organic photodetectors (OPDs) operated in the photovoltaic mode, achieving a very high on/off ratio of 105 and a fast response time of 20 ns (a decay time of 888 ns), are demonstrated in this work. Light-induced tuning of the barrier

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85f60bea4dc0eb481f24458cd760286d
https://doi.org/10.1002/adom.201400227

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Room-Temperature Solution-Processed NiOx:PbI2 Nanocomposite Structures for Realizing High-Performance Perovskite Photodetectors

Autor: Di Zhang, Claas J. Reckmeier, Jiaqi Cheng, Hugh L. Zhu, He Huang, Wallace C. H. Choy, Andrey L. Rogach, Chunjun Liang

Publikováno v: ACS nano. 10(7)

While methylammonium lead iodide (MAPbI3) with interesting properties, such as a direct band gap, high and well-balanced electron/hole mobilities, as well as long electron/hole diffusion length, is a potential candidate to become the light absorbers

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc1406c586f3407dde406533c81f1718
https://pubmed.ncbi.nlm.nih.gov/27340899

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