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浙江大学学报(工学版)
浙江大学学报(工学版)  2021, Vol. 55 Issue (8): 1576-1584    DOI: 10.3785/j.issn.1008-973X.2021.08.019
能源工程     
面向平板结构钙钛矿太阳能电池的金属氧化物综述
肖黎1(),陈远豪1,梁昌兴1,姚建曦2
1. 重庆理工大学 绿色能源材料技术与系统重庆市重点实验室，重庆 400054
2. 华北电力大学 能源安全与清洁利用北京市重点实验室，北京 102206
Review on metal-oxide materials applied in planar perovskite solar cells
Li XIAO1(),Yuan-hao CHEN1,Chang-xing LIANG1,Jian-xi YAO2
1. Chongqing Key Laboratory of Green Energy Materials Technology and Systems, Chongqing University of Technology, Chongqing 400054, China
2. Beijing Key Laboratory of Energy Safety and Clean Utilization, North China Electric Power University, Beijing 102206, China
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摘要：

作为平板结构钙钛矿太阳能电池的电荷传输层，金属氧化物薄膜对器件性能有重要影响. 系统性概述平板结构钙钛矿太阳能电池对金属氧化物薄膜形貌、电学、光学、化学及热等物理特性要求，并对目前在高效钙钛矿太阳电池制备中最有前景的金属氧化物电子传输层及空穴传输层材料特性及代表性工作进行总结. 针对大多数金属氧化物迁移率低、表面缺陷多及能级匹配差的问题，分析元素掺杂、表面改性、复合薄膜设计等手段解决的相关进展. 总结目前金属氧化物薄膜沉积技术现状及优缺点，探讨今后薄膜沉积技术发展、改进方向. 对低温沉积金属氧化物薄膜在柔性器件方面的应用进行展望.
关键词： 金属氧化物;  平板结构钙钛矿太阳能电池;  物理特性;  电荷传输层;  薄膜沉积技术    
Abstract:

As the carrier transport layer in planar perovskite solar cells, metal oxide films have important influence on device properties. The requirements of metal oxide films for planar solar cells in the respect of the morphology, electrical, optical, chemical and thermal properties were systematically overviewed. Worthwhile, the materials characteristic and representative work involving the most promising metal oxide film work as electron transport layer or hole transport layer material were summarized. Research progress of adopting methods such as element doping of metal oxides, surface modification of film and design of composite metal oxide film to improving film mobility, minimizing surface defects and adjusting energy level were proposed. Moreover, the future requirement and the improvement direction of metal oxide thin film deposition technology were discussed after summarizing the advantages and disadvantages of the deposition technology. Finally, the application of low-temperature deposited metal oxide films in flexible devices was expected.
Key words: metal oxide    planar perovskite solar cell    physical property    electron transfer layer    thin film deposition technology
收稿日期: 2021-01-25 出版日期: 2021-09-01
CLC:  TM 23  
基金资助: 重庆市教育委员会科学技术研究资助项目（KJQN201801123）；重庆理工大学科研启动基金资助项目（2019ZD12）
作者简介: 肖黎（1990—），女，讲师，博士，从事新能源材料与器件研究. orcid.org/0000-0002-2844-1292. E-mail: xiaoli@cqut.edu.cn
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肖黎
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引用本文:

肖黎,陈远豪,梁昌兴,姚建曦. 面向平板结构钙钛矿太阳能电池的金属氧化物综述[J]. 浙江大学学报(工学版), 2021, 55(8): 1576-1584.

Li XIAO,Yuan-hao CHEN,Chang-xing LIANG,Jian-xi YAO. Review on metal-oxide materials applied in planar perovskite solar cells. Journal of ZheJiang University (Engineering Science), 2021, 55(8): 1576-1584.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2021.08.019    或    https://www.zjujournals.com/eng/CN/Y2021/V55/I8/1576

图 1  钙钛矿太阳能电池效率发展图示
图 2  常见平板结构PSCs典型结构
图 3  典型平板结构PSCs器件能级匹配及载流子传输示意图[9]
图 4  FTO上原子力沉积、旋涂及旋涂结合化学浴沉积SnO2致密薄膜的表面扫描电镜图片[12]
材料种类 VBM/eV CBM/eV Eg/eV μ/（cm2·V?1·s?1）
ETL


TiO2 ?7.3 ?4.1 3.0~3.2 1
SnO2 ?7.9 ?4.3 3.6~4.0 250
ZnO ?7.47 ?4.17 3.3 200
Zn2SnO4 ?7.9 ?4.1 3.8 10~30
HTL NiOx ?5.0~?5.4 ?1.29 3.71~4.11 2.8
CuOx ?5.4 ?3.3~?4.1 1.4~2.1 100
表 1  主要电荷传输材料的特性参数[8,10]
图 5  溶液旋涂法制备金属氧化物薄膜示意图
图 6  化学浴沉积法制备金属氧化物薄膜示意图[12]
图 7  原子层沉积制备金属氧化物薄膜示意图[41]
图 8  激光脉冲法沉积金属氧化物薄膜技术示意图[36]
图 9  阳极氧化法与旋涂法结合方法制备SnO2@TiO2双层电子传输层示意图[47]
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