WANG Hong-hang, WANG Yun-xiang, YANG Jian-jun etc. Preparation of WS<sub>2</sub> Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells[J]. Chinese Journal of Luminescence, 2020,41(2): 168-174
WANG Hong-hang, WANG Yun-xiang, YANG Jian-jun etc. Preparation of WS<sub>2</sub> Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells[J]. Chinese Journal of Luminescence, 2020,41(2): 168-174 DOI: 10.3788/fgxb20204102.0168.
Preparation of WS2 Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells
Developing novel inorganic hole transport layer materials is one of the major challenges for the commercialization application of the perovskite solar cells. The preparation of WS
2
nanosheets and their application for hole transport layer in perovskite solar cells are investigated in this work. WS
2
nanosheets were prepared by liquid phase supersonic exfoliation method. Then by using solution spin-coating method the WS
2
nanosheets thin films were introduced as the hole transport layer (HTL) material in the planar heterojunction perovskite solar cells. The results indicate when the concentration of WS
2
nanosheet solution is 1 mg/mL
the thickness of the WS
2
nanosheet thin films is suitable for the application to the hole transport layer
and the perovskite active layers grown on them have high film quality and good crystallinity. Finally a photoelectric conversion efficiency of 6.3% is obtained. In this study
we demonstrate an effective new use of WS
2
nanosheets HTL in the perovskite solar cells.
关键词
二硫化钨纳米片液相超声剥离法钙钛矿太阳能电池空穴传输层
Keywords
WS2 nanosheetsliquid phase supersonic exfoliationperovskite solar cellshole transport layer
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