Fei Zheng Zheng

A sandwich-like structural model revealed for quasi-2D perovskite films dagger

Fei Zheng, Christopher R Hall, Dechan Angmo, Chuantian Zuo, Sergey Rubanov, Zhenchuan Wen, Siobhan J Bradley, Xiao-Tao Hao, Mei Gao, Trevor A Smith, Kenneth P Ghiggino

Journal article  |  2021  |  JOURNAL OF MATERIALS CHEMISTRY C

The excellent performance and stability of perovskite solar cells (PSCs) based on quasi-2D Ruddlesden-Popper perovskites (RPPs) ho..

Highly efficient radiative recombination in intrinsically zero-dimensional perovskite micro-crystals prepared by thermally-assisted solution-phase synthesis

Wei-Long Xu, Siobhan J Bradley, Yang Xu, Fei Zheng, Christopher R Hall, Kenneth P Ghiggino, Trevor A Smith

Journal article  |  2020  |  RSC ADVANCES

Zero-dimensional (0D) quantum confinement can be achieved in perovskite materials by the confinement of electron and hole states t..

Revealing the Role of Methylammonium Chloride for Improving the Performance of 2D Perovskite Solar Cells

Fei Zheng, Chuantian Zuo, Mengsi Niu, Chunhua Zhou, Siobhan J Bradley, Christopher R Hall, Weilong Xu, Xiaoming Wen, Xiaotao Hao, Mei Gao, Trevor A Smith, Kenneth P Ghiggino

Journal article  |  2020  |  ACS Applied Materials and Interfaces

Layered perovskite films, composed of two-dimensional (2D) Ruddlesden–Popper perovskites (RPPs), show improved stability compared ..

Crystallisation control of drop-cast quasi-2D/3D perovskite layers for efficient solar cells

Chuantian Zuo, Andrew D Scully, Wen Liang Tan, Fei Zheng, Kenneth P Ghiggino, Doojin Vak, Hasitha Weerasinghe, Christopher R McNeill, Dechan Angmo, Anthony SR Chesman, Mei Gao

Journal article  |  2020  |  COMMUNICATIONS MATERIALS

AbstractIntroducing layered quasi-2D perovskite phases into a conventional 3D perovskite light-absorbing matrix is a promising str..

Reduced graphene oxide assisted charge separation and serving as transport pathways in planar perovskite photodetector

WL Xu, C Ding, MS Niu, XY Yang, F Zheng, J Xiao, M Zheng, XT Hao

Journal article  |  2020  |  Organic Electronics

Graphene derivatives have been intensively investigated as the electron transporting layer and conductive electrodes in perovskite..

Transient Energy Reservoir in 2D Perovskites

Z Gan, X Wen, C Zhou, W Chen, F Zheng, S Yang, JA Davis, PC Tapping, TW Kee, H Zhang, B Jia

Journal article  |  2019  |  Advanced Optical Materials

2D Ruddlesden−Popper type perovskites have attracted enormous attention due to their natural multiquantum-well structure. However,..

The optical properties of Cs4PbBr6-CsPbBr3 perovskite composites.

Zhixing Gan, Fei Zheng, Wenxin Mao, Chunhua Zhou, Weijian Chen, Udo Bach, Patrick Tapping, Tak W Kee, Jeffrey A Davis, Baohua Jia, Xiaoming Wen

Journal article  |  2019  |  Nanoscale

Although the optoelectronic applications of metal halide perovskites have been intensively investigated in recent years, the funda..

LiTFSI-Free Spiro-OMeTAD-Based Perovskite Solar Cells with Power Conversion Efficiencies Exceeding 19%

B Tan, SR Raga, ASR Chesman, SO Fürer, F Zheng, DP McMeekin, L Jiang, W Mao, X Lin, X Wen, J Lu, YB Cheng, U Bach

Journal article  |  2019  |  Advanced Energy Materials

To date, the most efficient perovskite solar cells (PSCs) employ an n–i–p device architecture that uses a 2,2′,7,7′-tetrakis(N,N-d..

Triggering the Passivation Effect of Potassium Doping in Mixed-Cation Mixed-Halide Perovskite by Light Illumination

Fei Zheng, Weijian Chen, Tongle Bu, Kenneth P Ghiggino, Fuzhi Huang, Yibing Cheng, Patrick Tapping, Tak W Kee, Baohua Jia, Xiaoming Wen

Journal article  |  2019  |  Advanced Energy Materials

Potassium (K+) doping has been recently discovered as an effective route to suppress hysteresis and improve the performance stabil..

Surface modification via self-assembling large cations for improved performance and modulated hysteresis of perovskite solar cells

Tongle Bu, Jing Li, Wenchao Huang, Wenxin Mao, Fei Zheng, Pengqing Bi, Xiaotao Hao, Jie Zhong, Yi-Bing Cheng, Fuzhi Huang

Journal article  |  2019  |  JOURNAL OF MATERIALS CHEMISTRY A

Hybrid organic-inorganic metal halide perovskite solar cells (PSCs) have been regarded as a low-cost, high-efficiency photovoltaic..