H
Heyong Wang
Researcher at Linköping University
Publications - 28
Citations - 1205
Heyong Wang is an academic researcher from Linköping University. The author has contributed to research in topics: Perovskite (structure) & Light-emitting diode. The author has an hindex of 6, co-authored 22 publications receiving 683 citations. Previous affiliations of Heyong Wang include Chinese Academy of Sciences.
Papers
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Journal ArticleDOI
Rational molecular passivation for high-performance perovskite light-emitting diodes
Weidong Xu,Weidong Xu,Qi Hu,Sai Bai,Chunxiong Bao,Chunxiong Bao,Yanfeng Miao,Zhongcheng Yuan,Tetiana Borzda,Alex J. Barker,Elizaveta Tyukalova,Zhangjun Hu,Maciej Kawecki,Maciej Kawecki,Heyong Wang,Zhibo Yan,Zhibo Yan,Xianjie Liu,Xiao-Bo Shi,Kajsa Uvdal,Mats Fahlman,Wenjing Zhang,Martial Duchamp,Jun-Ming Liu,Annamaria Petrozza,Jianpu Wang,Li-Min Liu,Wei Huang,Wei Huang,Feng Gao +29 more
TL;DR: A major efficiency limit for solution-processed perovskite optoelectronic devices, for example light-emitting diodes, is trap-mediated non-radiative losses as mentioned in this paper.
Journal ArticleDOI
Perovskite-molecule composite thin films for efficient and stable light-emitting diodes.
Heyong Wang,Felix Utama Kosasih,Hongling Yu,Guanhaojie Zheng,Jiangbin Zhang,Galia Pozina,Yang Liu,Chunxiong Bao,Zhangjun Hu,Xianjie Liu,Libor Kobera,Sabina Abbrent,Jiri Brus,Yizheng Jin,Mats Fahlman,Richard H. Friend,Caterina Ducati,Xiao-Ke Liu,Feng Gao +18 more
TL;DR: High-quality perovskite-molecule composite thin films for efficient and stable PeLEDs and achieve high quantum efficiency of 17.3% and half-lifetime of 100 h are developed.
Journal ArticleDOI
Critical role of additive-induced molecular interaction on the operational stability of perovskite light-emitting diodes
Chaoyang Kuang,Zhangjun Hu,Zhongcheng Yuan,Kaichuan Wen,Jian Qing,Jian Qing,Libor Kobera,Sabina Abbrent,Jiri Brus,Chunyang Yin,Heyong Wang,Weidong Xu,Jianpu Wang,Sai Bai,Feng Gao +14 more
TL;DR: In this paper, the dicarboxylic acids were incorporated into the precursor for perovskite depositions to improve operational stability of high efficiency perov-skite light-emitting diodes.
Journal ArticleDOI
High-quality Ruddlesden-Popper perovskite films based on in situ formed organic spacer cations
Jian Qing,Jian Qing,Chaoyang Kuang,Heyong Wang,Yuming Wang,Xiao-Ke Liu,Sai Bai,Mingjie Li,Tze Chien Sum,Zhangjun Hu,Wenjing Zhang,Feng Gao +11 more
TL;DR: A novel approach to prepare high-quality RPP films through in situ formation of organic spacer cations from amines is presented, which results in similar device performance for both solar cells and light-emitting diodes.
Journal ArticleDOI
Spacer Cation Alloying in Ruddlesden–Popper Perovskites for Efficient Red Light-Emitting Diodes with Precisely Tunable Wavelengths
Jian Qing,Jian Qing,Sankaran Ramesh,Qiang Xu,Xiao-Ke Liu,Heyong Wang,Zhongcheng Yuan,Zhan Chen,Zhan Chen,Lintao Hou,Tze Chien Sum,Feng Gao +11 more
TL;DR: In this article, a general approach of spacer cation alloying is employed in Ruddlesden-Popper perovskites (RPPs) for efficient red PeLEDs with precisely tunable wavelengths.