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| 1 | A-DA′D-A non-fullerene acceptors for high-performance organic solar cells显示文摘Since the world-record power conversion efficiency of 15.7%was achieved for organic solar cells(OSCs)in 2019,the newly developed non-fullerene acceptor(NFA)Y6 with an A-DA′D-A structure(A denotes an electron-accepting moiety,D denotes an electron-donating moiety)has attracted increasing attention.Subsequently,many new A-DA′D-A NFAs have been designed and synthesized,and the A-DA′D-A NFAs have played a significant role in the development of high-performance non-fullerene organic solar cells(NF-OSCs).Compared with the classical A-D-A-type acceptors,A-DA′D-A NFAs contain an electrondeficient core(such as benzothiadiazole(BT),benzotriazole(BTA),quinoxaline(Qx),or their derivatives)in the ladder-type fused rings to fine-tune the energy levels,broaden light absorption and achieve higher electron mobility of the NFAs.This review emphasizes the recent progress on these emerging A-DA′D-A(including Y-series)NFAs.The synthetic methods of DA′D-fused rings are introduced.The relationships between the chemical structure of the A-DA′D-A NFAs and the photovoltaic performance of the corresponding OSCs are summarized and discussed.Finally,issues and prospects for further improving photovoltaic performance of the OSCs are also proposed. | Qingya Wei Wei Liu Mario Leclerc Jun Yuan Honggang Chen Yingping Zou | 2020 | Science China Chemistry2020，63，10： | 7 |
| 2 | Modeling and implementation of tandem polymer solar cells using wide-bandgap front cells显示文摘Tandem device architectures offer a route to greatly increase the maximum possible power conversion efficiencies(PCEs)of polymer solar cells,however,the complexity of tandem cell device fabrication(such as selecting bandgaps of the front and back cells,current matching,thickness,and recombination layer optimization)often result in lower PCEs than are observed in single-junction devices.In this study,we analyze the influence of front cell and back cell bandgaps and use transfer matrix modeling to rationally design and optimize effective tandem solar cell structures before actual device fabrication.Our approach allows us to estimate tandem device parameters based on known absorption coefficients and open-circuit voltages of different active layer materials and design devices without wasting valuable time and materials.Using this approach,we have investigated a series of wide bandgap,high voltage photovoltaic polymers as front cells in tandem devices with PTB7-Th as a back cell.In this way,we have been able to demonstrate tandem devices with PCE of up to 12.8%with minimal consumption of valuable photoactive materials in tandem device optimization.This value represents one of the highest PCE values to date for fullerene-based tandem solar cells. | Seo-Jin Ko Hyosung Choi Quoc Viet Hoang Chang Eun Song Pierre-Olivier Morin Jungwoo Heo Mario Leclerc Sung Cheol Yoon Han Young Woo Won Suk Shin Bright Walker Jin Young Kim | 2020 | Carbon Energy2020，2，1： | 2 |
| 3 | Ground and excited state properties of carbozole-based dyads:correlation with their respective absorption and fluorescence spectra显示文摘 | Michel Belletete Mélanie Bédard Mario Leclerc | 2004 | Journal of Molecular Structure (TheoChem)2004，679，1： | 1 |
| 4 | Localization effects in asymmetrically substituted polythiophenes: Controlled generation of polarons, dimerized polarons, and bipolarons 显示文摘 | Faied Karim Leclerc Mario Nguyen My | 1995 | Macromolecules1995，28，1： | 1 |
| 5 | Highly con- ducting water-soluble polythiophene derivatives 显示文摘 | Martine Chayer Karim Fa'fd Mario Leclerc | 1997 | Chem Mater1997，9，12： | 1 |
| 6 | Effect of mixed solvents on PCDTBT:PC 70 BM based solar cells显示文摘 | Salima Alem Ta-Ya Chu Shing C. Tse Salem Wakim Jianping Lu Raluca Movileanu Ye Tao Francis Bélanger Denis Désilets Serge Beaupré Mario Leclerc Sheila Rodman David Waller Russell Gaudiana | 2011 | Organic Electronics2011，，11： | 1 |
| 7 | 采用缺电子芯熔环受体实现15%以上效率的单结有机太阳电池显示文摘文章简介就目前来说,非富勒烯有机太阳能电池效率仍低于无机太阳能电池。鉴于此,研究团队将电子受体单元苯并三氮唑引入非富勒烯受体稠环的中心核,形成一种DAD稠环结构,进而合成了A-DAD-A型有机小分子受体光伏材料BZIC。研究表明,这种A-DAD-A型小分子受体可有效拓宽材料吸收光谱,同时降低器件电压损失。 | 袁俊 Yunqiang Zhang Liuyang Zhou Guichuan Zhang Hin-Lap Yip Tsz-Ki Lau Xinhui Lu Can Zhu Hongjian Peng Paul AJohnson Mario Leclerc Yong Cao Jacek Ulanski Yongfang Li 邹应萍 | 2020 | 科学新闻2020，，2： | 0 |
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