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2篇 您的检索式:作者名="Shifeng Leng"
    题名 作者 年代 出处 被引量
1Investigating the reason for high FF from ternary organic solar cells显示文摘Organic solar cells(OSCs)have attracted huge attention because of their unique merits[1−3].In last few years,thanks to the design of new materials and device engineering,the power conversion efficiencies(PCEs)of OSCs have surpassed 18%[4−8].The PM6:Y6 cells are efficient binary cells,offering high PCEs over 16%[9−11].The high performance originates from the efficient free charge generation and the ground state dipole field at the donor-acceptor interface that promotes the exciton dissociation[12].Danqin Li Yihan Zeng Zeng Chen Shifeng Leng Zuo Xiao Qifan Xue Tianyu Hao Meng Lv Hongbo Wu Lina Lin Jianming Yang Zaifei Ma Jinquan Chen Rong Huang Feng Liu Haiming Zhu Xianjie Liu Liming Ding Mats Fahlman Qinye Bao 2021Journal of Semiconductors2021,42,9:0
2The structure-performance correlation of bulk-heterojunction organic solar cells with multi-length-scale morphology显示文摘We build a general multi-length-scale morphology model with mixing phase and pure phase fibril structure,and simulate corresponding organic solar cells performance.Systematical multi-length-scale morphology optimization process by changing the proportion of mixing phase and pure phase in different period width cases shows a clear correlation between period width and device performance that a smaller period width with appropriate proportion of mixing phase and fibril structure is advantageous to achieve high-performance devices.Experiments on multiple donor/acceptor blends have been carried out by varying the composition and processing condition,which afford good structure-performance correlation that supports the model prediction.It is demonstrated that building such a multi-length-scale morphology merging the synergistic effects of mixing and pure phases is indeed an imperative avenue to improve device efficiency.Tianyu Hao Wenkai Zhong Shifeng Leng Rui Zeng Ming Zhang Lei Zhu Yankang Yang Jingnan Song Jinqiu Xu Guanqing Zhou Yecheng Zou Yongming Zhang Feng Liu 2022Science China Chemistry2022,65,8:0
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