Perovskite/p-Type Crystal Silicon Tandem Solar Cells
Seigo Ito a, Shota Fukumoto a, Hiroyuki Kanda a, Yu-Hsien Chiang b, Peter Chen b
a University of Hyogo, 2167 Shosha, Himeji, 671, Japan
b National Cheng Kung University, No 1, University Rd., Tainan, 701, Taiwan, Province of China
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Yokohama-shi, Japan, 2017 February 2nd - 4th
Organizers: Tsutomu Miyasaka and Iván Mora-Seró
Poster, Hiroyuki Kanda, 127
Publication date: 7th November 2016

A low-cost and simple process tandem structure including a top cell with high bandgap and a bottom cell with lower bandgap would be a promising candidate for high efficiency solar cells.  In this work, perovskite solar cells (as a top cell) and p-type c-Si solar cells (as a bottom cell) were fabricated and perovskite/crystalline silicon tandem structure was introduced. In order to form a tandem structure, perovskite solar cell was stacked to the crystalline silicon solar cell with an inter junction layer.  J-V curves were measured for the sample with an area of 0.09 cm2.  The best fabricated tandem solar cell reaches the efficiency of 15.4% with JSC of 16.3 mA・cm-2, VOC of 1.42 V and FF of 66.6%.  Considering the current match of series-connected top and bottom cells and improving the antireflection performance on the bottom cell, the perovskite-silicon tandem cells can be improved.  The detail about tandem structure will be shown in this conference. 

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