[1]王莹,吴季怀.电子传输层表界面工程对钙钛矿薄膜结晶行为的影响[J].华侨大学学报(自然科学版),2025,46(6):613-624.[doi:10.11830/ISSN.1000-5013.202511009]
　WANG Ying,WU Jihuai.Influence of Electron Transport Layer Interface Engineering on Crystallization Behavior of Perovskite Films[J].Journal of Huaqiao University(Natural Science),2025,46(6):613-624.[doi:10.11830/ISSN.1000-5013.202511009]
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电子传输层表界面工程对钙钛矿薄膜结晶行为的影响()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第46卷
期数:
2025年第6期
页码:
613-624
栏目:
出版日期:
2025-11-20

文章信息/Info

Title:
Influence of Electron Transport Layer Interface Engineering on Crystallization Behavior of Perovskite Films
文章编号:
1000-5013(2025)06-0613-12
作者:
王莹;  吴季怀
华侨大学 材料科学与工程学院, 福建 厦门 361021
Author(s):
WANG Ying;  WU Jihuai
College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
钙钛矿太阳能电池;  电子传输层;  钙钛矿活性层;  界面工程;  钙钛矿结晶
Keywords:
perovskite solar cells;  electron transport layer;  perovskite active layer;  interface engineering;  perovskite crystallization
分类号:
TM914.4;TB302
DOI:
10.11830/ISSN.1000-5013.202511009
文献标志码:
A
摘要:
钙钛矿太阳能电池的光伏性能与稳定性高度依赖于钙钛矿活性层的结构和性质。通过调控电子传输层/钙钛矿活性层(ETL/PVK)异质界面,影响钙钛矿薄膜的成核热力学与动力学过程及其的结晶行为、晶粒取向和微观形貌。文中从界面物理化学角度出发,系统梳理ETL表面性质(包括表面能、浸润性、官能团和晶格匹配)如何引导钙钛矿前驱体从溶液到固相的演化路径。重点分析ETL调控钙钛矿结晶的三大机制:通过界面能调控成核势垒影响成核密度;通过表面官能团引导晶体生长方向;通过界面耦合效应诱导择优取向形成。进一步分析了由此产生的晶体学特征(晶粒尺寸、取向、晶界性质)对电荷传输、离子迁移和器件稳定性的影响,旨在深化对ETL/ PVK界面科学本质的理解,为制备优质钙钛矿薄膜提供依据。
Abstract:
The photovoltaic performance and stability of perovskite solar cells are highly dependent on the structure and properties of the perovskite active layer. By regulating the electron transport layer/perovskite active layer(ETL/PVK)heterojunction interface, the nucleation thermodynamics and kinetics, as well as crystallization behavior, grain orientation, and microstructure of perovskite films are influenced. This review systematically examines how the surface properties of ETL(including surface energy, wettability, functional groups, and lattice matching)guide the evolution of perovskite from solution precursors to solid phase according to interfacial physicochemistry. The three main mechanisms of the ETL regulating perovskite crystallization are discussed: Controlling the nucleation barrier through interface energy to affect nucleation density; Guiding crystal growth direction through surface functional group; Inducing preferred orientation formation through interface coupling effect. Further analysis is conducted on the impact of the resulting crystallographic features(grain size, orientation, grain boundary properties)on charge transport, ion migration, and device stability. This review aims to deepen the understanding of the scientific essence of ETL/PVK interface and provide a theoretical support for the preparation of high-quality perovskite films.

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备注/Memo

备注/Memo:
收稿日期: 2025-11-13
通信作者: 吴季怀(1958-),男,教授,博士,博士生导师,主要从事材料化学和新能源材料研究。E-mail:jhwu@hqu.edu.cn。
基金项目: 国家 863 计划资助项目(2009AA03Z217); 国家自然科学基金项目(52372190, 51972123, U1705256)https://hdxb.hqu.edu.cn/
更新日期/Last Update: 2025-11-20