Journal ArticleDOI
Chromium trioxide modified spiro-OMeTAD for highly efficient and stable planar perovskite solar cells
Xiaobing Wang,Jihuai Wu,Yuqian Yang,Guodong Li,Zeyu Song,Xuping Liu,Weihai Sun,Zhang Lan,Peng Gao +8 more
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TLDR
In this paper, an inorganic dopant (chromium trioxide, CrO3) was introduced into the lithium-salt doped spiro-OMeTAD to accelerate the hole oxidation and enhance the hole mobility.About:
This article is published in Journal of Energy Chemistry.The article was published on 2021-10-01. It has received 12 citations till now. The article focuses on the topics: Dopant.read more
Citations
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Controllable Heterogenous Seeding‐Induced Crystallization for High‐Efficiency FAPbI3‐Based Perovskite Solar Cells Over 24%
Hengkai Zhang,Zhiwei Ren,Kuan-Hung Liu,Minchao Qin,Zehan Wu,Dong Shen,Yaokang Zhang,Hrisheekesh Thachoth Chandran,Jianhua Hao,Chun-Sing Lee,Xinhui Lu,Zijian Zheng,Jinsong Huang,Gang Li +13 more
TL;DR: In this article , a heterogenous seeding-induced crystallization (hetero-SiC) was proposed to assist the growth of FAPbI3-based perovskite.
Journal ArticleDOI
3-Chloroperoxybenzoic acid doping spiro-OMeTAD for improving the performance of perovskite solar cells
Qi Chen,Jihuai Wu,Xiaobing Wang,Guodong Li,Zeyu Song,Yuanxian Xu,Chunyan Deng,Yitian Du Weihai Sun,Zhang Lan +8 more
TL;DR: In this article , a low-cost and facile strategy by doping 3-Chloroperoxybenzoic acid (m-CPBA) into spiroOMeTAD is demonstrated.
Journal ArticleDOI
Lansoprazole, a Cure-Four, Enables Perovskite Solar Cells Efficiency Exceeding 24%
Xiaobing Wang,Weihai Sun,Yongguang Tu,Qiu Xiong,Guodong Li,Zeyu Song,Ying Wang,Yitian Du,Qi Chen,Chunyan Deng,Zhang Lan,Peng Gao,Jihuai Wu +12 more
TL;DR: In this paper , Lanz-modified perovskite solar cells (PSCs) achieved an excellent PCE of 24.05% compared to the pristine device (PCE of 21.91%).
Journal ArticleDOI
A counter electrode modified with renewable carbonized biomass for an all-inorganic CsPbBr3 perovskite solar cell
Pier-Luc Tremblay,Nelly Scuda +1 more
TL;DR: In this article , carbonized bacterial cellulose (CBC) and carbonized macadamia nutshell (CMNS) were combined with commercial carbon paste (CP) to fabricate counter electrodes (CEs) integrated into highly-stable all-inorganic CsPbBr3 PSCs synthesized by thermal evaporation.
Journal ArticleDOI
Chelation of lithium ion with crown ether for eliminating adverse effects caused by Li-TFSI/tBP doping system in Spiro-OMeTAD
Zhong Quan Wan,Hui-Jane Lu,Jinyu Ou Yang,Yunpeng Zhang,Fan Lin,Jianxing Xia,Xiaojun Yao,Junsheng Luo,Chunyang Jia +8 more
TL;DR: Li-TFSI/12-crown-4 with Li+ not only improves the doping effect of Li-TFS, but also perfectly solves the problems caused by the Li TFS/tBP system as discussed by the authors .
References
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Journal ArticleDOI
Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells
TL;DR: Two organolead halide perovskite nanocrystals were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells, which exhibit strong band-gap absorptions as semiconductors.
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Electron-hole diffusion lengths exceeding 1 micrometer in an organometal trihalide perovskite absorber.
Samuel D. Stranks,Giles E. Eperon,Giulia Grancini,Christopher Menelaou,Marcelo J. P. Alcocer,Tomas Leijtens,Laura M. Herz,Annamaria Petrozza,Henry J. Snaith +8 more
TL;DR: In this article, transient absorption and photoluminescence-quenching measurements were performed to determine the electron-hole diffusion lengths, diffusion constants, and lifetimes in mixed halide and triiodide perovskite absorbers.
Journal ArticleDOI
Long-Range Balanced Electron- and Hole-Transport Lengths in Organic-Inorganic CH3NH3PbI3
Guichuan Xing,Nripan Mathews,Shuangyong Sun,Swee Sien Lim,Yeng Ming Lam,Michael Grätzel,Michael Grätzel,Subodh Mhaisalkar,Tze Chien Sum +8 more
TL;DR: Two studies show, using a variety of time-resolved absorption and emission spectroscopic techniques, that perovskite materials manifest relatively long diffusion paths for charge carriers energized by light absorption, highlighting effective carrier diffusion as a fruitful parameter for further optimization.
Journal ArticleDOI
Compositional engineering of perovskite materials for high-performance solar cells
Nam Joong Jeon,Jun Hong Noh,Woon Seok Yang,Young Chan Kim,Seungchan Ryu,Jangwon Seo,Sang Il Seok +6 more
TL;DR: This work combines the promising—but relatively unstable formamidinium lead iodide with FAPbI3 with methylammonium lead bromide as the light-harvesting unit in a bilayer solar-cell architecture and improves the power conversion efficiency of the solar cell to more than 18 per cent under a standard illumination.
Journal ArticleDOI
Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies
Udo Bach,D. Lupo,Pascal Comte,Jacques-E. Moser,F. Weissörtel,Josef Salbeck,H. Spreitzer,Michael Grätzel +7 more
TL;DR: A dye-sensitized heterojunction of TiO2 with the amorphous organic hole-transport material 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9′-spirobifluorene (OMeTAD) was described in this article.