Preparation of WS2 Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells

WANG Hong-hang; WANG Yun-xiang; YANG Jian-jun; YI Zi-chuan; XU Kai; ZHANG Xiao-wen; LIU Li

doi:10.3788/fgxb20204102.0168

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Preparation of WS₂ Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells

Synthesis and Properties of Materials | 更新时间：2020-08-12

- Preparation of WS₂ Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells
- Chinese Journal of Luminescence Vol. 41, Issue 2, Pages: 168-174(2020)
- 作者机构：
  
  1. 电子科技大学中山学院电子薄膜与集成器件国家重点实验室中山分实验室, 广东中山 528402
  2. 桂林电子科技大学广西信息材料重点实验室, 广西桂林 541004
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20204102.0168
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王红航, 王云祥, 杨健君等. 二硫化钨纳米片制备及其钙钛矿太阳能电池空穴传输层应用[J]. 发光学报, 2020,41(2): 168-174

WANG Hong-hang, WANG Yun-xiang, YANG Jian-jun etc. Preparation of WS2 Nanosheets and Their Application for Hole Transport Layer in Perovskite Solar Cells[J]. Chinese Journal of Luminescence, 2020,41(2): 168-174
王红航, 王云祥, 杨健君等. 二硫化钨纳米片制备及其钙钛矿太阳能电池空穴传输层应用[J]. 发光学报, 2020,41(2): 168-174 DOI： 10.3788/fgxb20204102.0168.

WANG Hong-hang, WANG Yun-xiang, YANG Jian-jun etc. Preparation of WS2 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.

摘要

开发新型无机空穴传输层材料是钙钛矿电池实现商业应用的重要挑战之一。本文开展了二硫化钨纳米片制备及其钙钛矿太阳能电池空穴传输层应用研究。采用液相超声剥离法成功制备了WS,2,纳米片，并将其引入钙钛矿太阳能电池中用作空穴传输层。结果表明，当WS,2,纳米片溶液浓度为1 mg/mL时，制备的WS,2,纳米片空穴传输层具有较合适的厚度，并且后续在其上生长的钙钛矿活性层成膜质量高、结晶性能好，电池取得6.3%的光电转换效率。结果证实WS,2,纳米片可作为新型无机空穴传输层材料用于钙钛矿太阳能电池。

Abstract

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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State Key Laboratory of Integrated Optoelectronics， College of Electronic Science and Engineering， Jilin University

School of Material Science and Engineering， Hebei University of Technology

College of Electronic Science and Engineering， Jilin University

Institute of New Energy Technology， College of Information Science and Technology， Jinan University

Ministry⁃of⁃Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules， Hubei University

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