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第300期: High performance of perovskite solar cells: From cell to module  

2017-07-05

  报告题目:  High performance of perovskite solar cells: From cell to module  

    报告人: Liyuan Han (Professor, National Institute for Materials Science (NIMS), Japan &Shanghai Jiaotong University, China)  

    时间:2017526 (星期五)  下午4:30  

    地点: 中国科学院半导体研究所图书馆101会议室  

  Abstract:In recent years, Perovskite solar cell (PSC) has undergone unprecedented development due to its excellent photovoltaic performance and simple solution processing method. Here I will introduce our main achievements in this field and our work focus on inverted PSC devices with working area over one centimetre square. Firstly, the morphology and uniformity of perovskite layer and charge extraction layers were finely controlled to improve the reproducibility of device performance. The charge extraction layers with high conductivity, such as NiO and TiO2 heavily doped with Mg2+, Li+ and Nb5+, were used to reduce pinholes of the film and increase the long-term stability of device. Secondly, a perovskite-fullerene graded heterojunction (GHJ) were developed, which was featured with a gradient distribution of electron accepting material in the light absorption perovskite layer. By employing this strategy, we have achieved certified efficiency exceeding 19.2% based on a cell with an aperture area greater than one centimetre square.Furthermore, the cost of PSCs module was simulated. Efficiency and long-term stability were found to be key factors that affect the cost of PSCs modules The costs of modules were found to be only one third of that of commercial silicon solar cells.

   References:

  (1) Chen, W., …Han, L*. Science 2015, 350, 944.
     (2) Wu, Y.;… Han, L*. Nature Energy 2016, 1, 16148.
     (3) Cai, M.; …Han, L*. Advanced Science 2016, 1600269.

  简历:1988年毕业于日本大阪府立大学应用化学专业,1990-1993工作于日本Dainippon Ink & Chemicals Inc。之后在夏普公司研究所工作15年,主要负责染料敏化太阳能电池的研究开发,所领导的团队多次创造染料敏化电池最高光电转换效率世界纪录。2008年起担任日本物材研究机构(NIMS)下一代太阳能电池中心主任。发表了近100余篇学术论文,同时本人申请了90多项日本专利和40多项国际专利(美国、欧洲、中国、澳大利亚),在染料敏化太阳能电池领域,按发明者计算的专利申请件数也被列为世界第一(根据2005年度日本专利局调查)。现阶段主要研究方向为钙钛矿太阳能电池。



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