Cerium-Oxide-Modified Anodes for Efficient and UV-Stable ZnO-Based Perovskite Solar Cells

被引：55

作者：

Meng, Ruiqian ^{[1
]}

Feng, Xiaoxia ^{[1
]}

Yang, Yiwei ^{[1
]}

Lv, Xudong ^{[1
]}

Cao, Jing ^{[1
]}

Tang, Yu ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2019年 / 11卷 / 14期

基金：

中国国家自然科学基金;

关键词：

ZnO; CeOx; perovskite solar cells; electron transport material; UV stability; ELECTRON-TRANSPORT LAYER; NANOCRYSTALS;

D O I：

10.1021/acsami.9b01587

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

CeOx has been widely used in optoelectronic devices due to its special electronic and optical structure. Herein, CeOx was directly doped into ZnO to successfully construct a ZnO/CeOx electron transport material (ETM) used in perovskite solar cells (PSCs). The incorporation of CeOx can regulate the chemical compatibility between ZnO and perovskite, unmatched energy levels, and poor UV stability, further enhancing the cell performance and stability of PSCs. As expected, the best efficiency of fabricated CH3NH3PbI3-PSCs based on ZnO/CeOx as the ETM was up to 19.5%. In contrast, the efficiency of PSCs with pure ZnO was 16.0%. Moreover, compared with PSCs based on ZnO, ZnO/CeOx-based PSCs exhibited significantly enhanced moisture, and thermal and UV stability. These results point to the introduction of rare-earth oxides, which could accelerate the industrialization of PSCs.

引用

页码：13273 / 13278

页数：6

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