通过光谱分裂使用CH3NH3PbBr3的四端串联太阳能电池。
Four-Terminal Tandem Solar Cells Using CH3NH3PbBr3 by Spectrum Splitting.
作者信息
Sheng Rui, Ho-Baillie Anita W Y, Huang Shujuan, Keevers Mark, Hao Xiaojing, Jiang Liangcong, Cheng Yi-Bing, Green Martin A
机构信息
Australian Centre for Advanced Photovoltaics (ACAP), School of Photovoltaic and Renewable Energy Engineering, University of New South Wales , Sydney New South Wales 2052, Australia.
Department of Materials Engineering, Monash University , Melbourne, Victoria 3800, Australia.
出版信息
J Phys Chem Lett. 2015 Oct 1;6(19):3931-4. doi: 10.1021/acs.jpclett.5b01608. Epub 2015 Sep 17.
In this work, the use of a high bandgap perovskite solar cell in a spectrum splitting system is demonstrated. A remarkable energy conversion efficiency of 23.4% is achieved when a CH3NH3PbBr3 solar cell is coupled with a 22.7% efficient silicon passivated emitter rear locally diffused solar cell. Relative enhancements of >10% are demonstrated by CH3NH3PbBr3/CH3NH3PbI3 and CH3NH3PbBr3/multicrystalline-screen-printed-Si spectral splitting systems with tandem efficiencies of 13.4% and 18.8%, respectively. The former is the first demonstration of an all perovskite split spectrum system. The CH3NH3PbBr3 cell on a mesoporous structure was fabricated by the vapor-assisted method while the planar CH3NH3PbI3 cell was fabricated by the gas-assisted method. This work demonstrates the advantage of the higher voltage output from the high bandgap CH3NH3PbBr3 cell and its suitability in a tandem system.
在这项工作中，展示了在光谱分裂系统中使用高带隙钙钛矿太阳能电池。当CH3NH3PbBr3太阳能电池与效率为22.7%的硅钝化发射极背面局部扩散太阳能电池耦合时，实现了23.4%的显著能量转换效率。CH3NH3PbBr3/CH3NH3PbI3和CH3NH3PbBr3/多晶硅丝网印刷硅光谱分裂系统分别实现了13.4%和18.8%的串联效率，相对增强超过10%。前者是全钙钛矿分裂光谱系统的首次展示。介孔结构上的CH3NH3PbBr3电池通过气相辅助法制备，而平面CH3NH3PbI3电池通过气体辅助法制备。这项工作展示了高带隙CH3NH3PbBr3电池具有更高电压输出的优势及其在串联系统中的适用性。
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