Chen Weijie

J. Mater. Chem. A, 2017, 5,2563-2571
DOI: 10.1039/C6TA09493G, Paper

Kiryung Eom, Uisik Kwon, Shankara S. Kalanur, Hui Joon Park, Hyungtak Seo
The band alignment in heterojunction solar cells, including perovskite solar cells (PSCs), is critically related to power conversion efficiency (PCE) improvement as it has a significant effect on the control of photocarrier transport.
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J. Mater. Chem. A, 2017, 5,2319-2327
DOI: 10.1039/C6TA10678A, Paper

Yaping Wang, Honglu Zhu, Zhenzhen Shi, Fuzhi Wang, Bing Zhang, Songyuan Dai, Zhan'ao Tan
Optimized morphology and vertically distributed donor/acceptor concentrations are achieved simply by flushing the PTB7-Th:PC₇₁BM blends with a selectively dissolvable 2-chlorophenol solvent.
The content of this RSS Feed (c) The Royal Society of Chemistry

J. Mater. Chem. A, 2017, 5,3932-3938
DOI: 10.1039/C6TA10608K, Paper

Seihou Jinnai, Yutaka Ie, Yuki Kashimoto, Hiroyuki Yoshida, Makoto Karakawa, Yoshio Aso
We revealed the relationship between the London dispersion components of three-dimensional non-fullerene acceptors and photocurrent generation efficiency in bulk-heterojunction-type organic photovoltaics.
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J. Mater. Chem. A, 2017, 5,3186-3192
DOI: 10.1039/C6TA10106B, Communication

Lin Mao, Jinhui Tong, Sixing Xiong, Fangyuan Jiang, Fei Qin, Wei Meng, Bangwu Luo, Yun Liu, Zaifang Li, Youyu Jiang, Canek Fuentes-Hernandez, Bernard Kippelen, Yinhua Zhou
Tandem structures have higher defect tolerance than single-junction. 10.5 cm² flexible tandem solar cells yielding a PCE of 6.5%.
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J. Mater. Chem. A, 2017, 5,3193-3202
DOI: 10.1039/C6TA09554B, Communication

Yingdong Xia, Chenxin Ran, Yonghua Chen, Qi Li, Naisheng Jiang, Changzhi Li, Yufeng Pan, Taotao Li, JianPu Wang, Wei Huang
The management of perovskite intermediates to construct perovskite films with uniform perovskite crystals and controlled surface morphology was introduced.
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J. Mater. Chem. A, 2017, 5,2920-2928
DOI: 10.1039/C6TA08426E, Paper

Jie Ge, Corey R. Grice, Yanfa Yan
p-Type wide-bandgap Cu₂BaSnS₄ holds promise for use as hole transport material in inverted perovskite CH₃NH₃PbI₃ thin-film solar cells.
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J. Mater. Chem. A, 2017, 5,1374-1379
DOI: 10.1039/C6TA08117G, Communication

Yue Sun, Yihui Wu, Xiang Fang, Linjun Xu, Zhijie Ma, Yongting Lu, Wen-Hua Zhang, Qiang Yu, Ningyi Yuan, Jiangning Ding
Perovskite solar cells with superior tolerance to humidity (85-95% RH) and long-term stability have been achieved via adding a certain amount of a cost-effective and available water soluble additive, polyvinyl alcohol (PVA).
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J. Mater. Chem. A, 2017, 5,3203-3207
DOI: 10.1039/C6TA10727C, Communication

David Forgacs, Daniel Perez-del-Rey, Jorge Avila, Cristina Momblona, Lidon Gil-Escrig, Benedikt Danekamp, Michele Sessolo, Henk J. Bolink
We study the properties of the series of compounds Cs_0.15FA_0.85Pb(Br_xI_1-x)3, aiming to develop an efficient complementary absorber for MAPbI₃ in all-perovskite tandems. A bromide content of 0.7 leads to a band gap of 2 eV and a maximum PCE of 11.5% in solar cells, among the highest reported for band gaps wider than 1.8 eV.
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J. Mater. Chem. A, 2017, 5,3214-3220
DOI: 10.1039/C7TA00562H, Communication

Alexander R. Uhl, Zhibin Yang, Alex K.-Y. Jen, Hugh W. Hillhouse
Low-bandgap chalcopyrite absorbers exhibit excellent low-light performance and current matching to best performing semi-transparent perovskite cells enabling new record efficiencies for solution-processed tandem devices.
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J. Mater. Chem. A, 2017, 5,3578-3588
DOI: 10.1039/C6TA09745F, Paper

M. D. Sampson, J. S. Park, R. D. Schaller, M. K. Y. Chan, A. B. F. Martinson
Cobalt substituted MAPbBr₃ films are a novel perovskite material with tunable mid-gap density of states providing promise for IB photovoltaics.
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J. Mater. Chem. A, 2017, 5,5701-5708
DOI: 10.1039/C6TA10212C, Paper

Dongyang Liu, Yong Li, Jianyu Yuan, Qiuming Hong, Guozheng Shi, Daxing Yuan, Jian Wei, Chenchao Huang, Jianxin Tang, Man-Keung Fung
Simultaneously increased current density and open circuit voltage were achieved through doping F4-TCNQ into PEDOT:PSS in inverted perovskite solar cells.
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J. Mater. Chem. A, 2017, 5,3599-3608
DOI: 10.1039/C6TA09845B, Paper

Hong Zhang, Dan Li, Jiaqi Cheng, Francis Lin, Jian Mao, Alex K.-Y. Jen, Michael Gratzel, Wallace C. H. Choy
We propose a room-temperature scheme of ligand-promoted formation of high-quality perovskite films through the judicious design of nanostructured PbI₂[middle dot](L)_x intermediates, where L denotes the ligand. The mechanisms and features of the ideal ligand have been investigated through a combined experimental and theoretical study.
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J. Mater. Chem. A, 2017, 5,3691-3698
DOI: 10.1039/C6TA10468A, Paper

Bingxin Zhao, Xiaoru Wen, Minlin Jiang, Jiamin Wu, Fei Lan, Jinshu Wang, Daniel den Engelsen, Guangyong Li, Di Gao
Recombination processes in Al-PSCs have been minimized by using 'thickness-free' post modification.
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J. Mater. Chem. A, 2017, 5,1972-1977
DOI: 10.1039/C6TA07004C, Paper

Su-Jin Ha, Jin Hyuck Heo, Sang Hyuk Im, Jun Hyuk Moon
A mesoscopic inverse opal is prepared as an electron-conducting scaffold for high efficiency and stable perovskite solar cells.
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J. Mater. Chem. A, 2017, 5,4404-4412
DOI: 10.1039/C6TA10521A, Paper

E. Mitraka, M. J. Jafari, M. Vagin, X. Liu, M. Fahlman, T. Ederth, M. Berggren, M. P. Jonsson, X. Crispin
Doping of the reduced (undoped) PEDOT by oxygen during oxygen reduction reaction (ORR).
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J. Mater. Chem. A, 2017, 5,4527-4534
DOI: 10.1039/C6TA09202K, Paper

Riski Titian Ginting, Mi-Kyoung Jeon, Kwang-Jae Lee, Won-Yong Jin, Tae-Wook Kim, Jae-Wook Kang
The penetration of moisture/O₂ into the perovskite solar cells (PSCs) causes shifts of iodine distribution within the perovskite layer and facilitates diffusion of iodine towards the hole transporting layer. Interestingly, these negative effects can be prevented by a simple encapsulation process and further prolong the stability of PSCs.
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J. Mater. Chem. A, 2017, 5,6817-6824
DOI: 10.1039/C7TA00772H, Communication

Hongkang Wang, Jinkai Wang, Daxian Cao, Hangyu Gu, Beibei Li, Xuan Lu, Xiaogang Han, Andrey L. Rogach, Chunming Niu
Confining smaller and fewer SnO₂ nanoparticles within honeycomb-like carbon nanoflakes demonstrated superior cycle stability and rate capability for lithium storage.
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J. Mater. Chem. A, 2017, 5,5195-5203
DOI: 10.1039/C6TA11139D, Paper

Open Access

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Ngoc Duy Pham, Vincent Tiing Tiong, Peng Chen, Lianzhou Wang, Gregory J. Wilson, John Bell, Hongxia Wang
19% perovskite solar cells with enhanced electronic properties of MAPbI₃ film through employing 2.5% PbCl₂ additive in the precursor.
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