Interface modification of TiO2 electron transport layer with PbCl2 for perovskiote solar cells with carbon electrode

被引：3

作者：

Amraeinia, Abolfazl ^{[1
,2
]}

Zuo, Yuhua ^{[1
,2
]}

Zheng, Jun ^{[1
,2
]}

Liu, Zhi ^{[1
,2
]}

Zhang, Guangze ^{[1
,2
]}

Luo, Liping ^{[1
,2
]}

Cheng, Buwen ^{[1
,2
]}

Zou, Xiaoping ^{[3
]}

Li, Chunbo ^{[4
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Beijing Informat Sci & Technol Univ, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing Key Lab Sensor, MOE Key Lab Modern Measurement & Control Technol, Beijing 100101, Peoples R China

[4] Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China

来源：

TSINGHUA SCIENCE AND TECHNOLOGY | 2022年 / 27卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Perovskites; Photovoltaic cells; Annealing; Crystals; X-ray scattering; Substrates; Morphology; Perovskite Solar Cell (PSC); Electron Transport Layer (ETL); electron and hole recombination; modification; stability; TIO2/PEROVSKITE INTERFACE; PERFORMANCE; EFFICIENCY; NANOCOMPOSITES; PASSIVATION; HYSTERESIS; CH3NH3PBI3; LENGTHS; PHASE;

D O I：

10.26599/TST.2021.9010024

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Perovskite Solar Cells (PSCs) have attracted considerable attention because of their unique features and high efficiency. However, the stability of perovskite solar cells remains to be improved. In this study, we modified the TiO2 Electron Transport Layer (ETL) interface with PbCl2. The efficiency of the perovskite solar cells with carbon electrodes increased from 11.28% to 13.34%, and their stability obviously improved. The addition of PbCl2 had no effect on the morphology, crystal structure, and absorption property of the perovskite absorber layer. However, it affected the band energy level alignment of the solar cells and accelerated the electron extraction and transfer at the interface between the perovskite layer and the ETL, thus enhancing the overall photovoltaic performance. The interfacial modification of ETL with PbCl2 is a promising way for the potential commercialization of low-cost carbon electrode-based perovskite solar cells.

引用

页码：741 / 750

页数：10

共 38 条

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