Functional molecule modified SnO2 nanocrystal films toward efficient and moisture-stable perovskite solar cells

被引：8
作者：
Wang, Hui [1 ,2 ,3 ]
Yang, Zhi [1 ,2 ,3 ]
Guo, Wei [1 ,2 ,3 ]
Ji, Yongqiang [1 ,2 ,3 ]
Zhou, Yun [1 ,2 ,3 ]
Dang, Jialin [1 ,2 ,3 ]
Wang, Minqiang [1 ,2 ,3 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Shaanxi Engn Res Ctr Adv Energy Mat & Devices, Xian 710049, Shaanxi, Peoples R China
[2] ICDR, Xian, Peoples R China
[3] Key Lab Educ Minist, Elect Mat Res Lab EMRL, Xian, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 890卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Perovskite solar cells; SnO2; Amino acid; Ammonium salt; Defect passivation; PERFORMANCE; LAYERS;
D O I：
10.1016/j.jallcom.2021.161912
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Recently, SnO2 is widely used as an attractive electron transport layer in n-i-p planar perovskite solar cells (PSCs) due to its wide bandgap, high transmission, high carrier mobility, favorable band alignment and low annealing temperature. However, a commercial SnO2 colloid solution suffers from soft agglomerate under long-term storage. Produced film pinholes and oxygen vacancy defect can increase non-radiative recombination at the perovskite/SnO2 interface limiting the power conversion efficiency (PCE) and stability. Here, amino acid (glycine and alanine) and ammonium salt (ammonium titanium fluoride) are employed to modify SnO2 nanocrystals and passivate perovskite defects at SnO2/perovskite film. The PCE of glycine (GLY) modified device was 19.71% and hysteresis was suppressed compared with that of 16.21% for control device. After 15-day aging at 85% relative humidity (RH), the encapsulated GLY modified device and control device retain 83.58% and 74.52% of their initial efficiency, respectively. Finally a perspective on how to modify SnO2 with functional molecules toward efficient and stable PSCs is provided. (c) 2021 Elsevier B.V. All rights reserved.
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页数：8
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共 43 条
[1]   Improved perovskite film quality and solar cell performances using dual single solution coating [J].
Baltakesmez, Ali ;
Biber, Mehmet ;
Tuzemen, Sebahattin .
JOURNAL OF APPLIED PHYSICS, 2017, 122 (08)
[2]   Multifunctional organic ammonium salt-modified SnO2 nanoparticles toward efficient and stable planar perovskite solar cells [J].
Bi, Huan ;
Zuo, Xin ;
Liu, Baibai ;
He, Dongmei ;
Bai, Le ;
Wang, Wenqi ;
Li, Xiong ;
Xiao, Zeyun ;
Sun, Kuan ;
Song, Qunliang ;
Zang, Zhigang ;
Chen, Jiangzhao .
JOURNAL OF MATERIALS CHEMISTRY A, 2021, 9 (07) :3940-3951
[3]   TRAP DENSITY DETERMINATION BY SPACE-CHARGE-LIMITED CURRENTS [J].
BUBE, RH .
JOURNAL OF APPLIED PHYSICS, 1962, 33 (05) :1733-&
[4]   Multifunctional Chemical Linker Imidazoleacetic Acid Hydrochloride for 21% Efficient and Stable Planar Perovskite Solar Cells [J].
Chen, Jiangzhao ;
Zhao, Xing ;
Kim, Seul-Gi ;
Park, Nam-Gyu .
ADVANCED MATERIALS, 2019, 31 (39)
[5]   Crystallization in one-step solution deposition of perovskite films: Upward or downward? [J].
Chen, Shangshang ;
Xiao, Xun ;
Chen, Bo ;
Kelly, Leah L. ;
Zhao, Jingjing ;
Lin, Yuze ;
Toney, Michael F. ;
Huang, Jinsong .
SCIENCE ADVANCES, 2021, 7 (04)
[6]   Self-Elimination of Intrinsic Defects Improves the Low-Temperature Performance of Perovskite Photovoltaics [J].
Chen, Yihua ;
Tan, Shunquan ;
Li, Nengxu ;
Huang, Bolong ;
Niu, Xiuxiu ;
Li, Liang ;
Sun, Mingzi ;
Zhang, Yu ;
Zhang, Xiao ;
Zhu, Cheng ;
Yang, Ning ;
Zai, Huachao ;
Wu, Yiliang ;
Ma, Sai ;
Bai, Yang ;
Chen, Qi ;
Xiao, Fei ;
Sun, Kangwen ;
Zhou, Huanping .
JOULE, 2020, 4 (09) :1961-1976
[7]   Revealing Energy Loss and Nonradiative Recombination Pathway in Mixed-Ion Perovskite Solar Cells [J].
Dang, Jialin ;
Yang, Zhi ;
Guo, Wei ;
Dou, Jinjuan ;
Wang, Hui ;
Wang, Minqiang .
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2020, 11 (19) :8100-8107
[8]   Effects of interfacial energy level alignment on carrier dynamics and photovoltaic performance of inverted perovskite solar cells [J].
Guo, Yanru ;
Jin, Zezhu ;
Yuan, Shuai ;
Zhao, Jia-Shang ;
Hao, Ming-Yang ;
Qin, Yujun ;
Fu, Li-Min ;
Zhang, Jian-Ping ;
Ai, Xi-Cheng .
JOURNAL OF POWER SOURCES, 2020, 452
[9]   Unreacted PbI2 as a Double-Edged Sword for Enhancing the Performance of Perovskite Solar Cells [J].
Jacobsson, T. Jesper ;
Correa-Baena, Juan-Pablo ;
Anaraki, Elham Halvani ;
Philippe, Bertrand ;
Stranks, Samuel D. ;
Bouduban, Marine E. F. ;
Tress, Wolfgang ;
Schenk, Kurt ;
Teuscher, Joel ;
Moser, Jacques-E. ;
Rensmo, Hakan ;
Hagfeldt, Anders .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2016, 138 (32) :10331-10343
[10]   Stable perovskite solar cells with efficiency exceeding 24.8% and 0.3-V voltage loss [J].
Jeong, Mingyu ;
Choi, In Woo ;
Go, Eun Min ;
Cho, Yongjoon ;
Kim, Minjin ;
Lee, Byongkyu ;
Jeong, Seonghun ;
Jo, Yimhyun ;
Choi, Hye Won ;
Lee, Jiyun ;
Bae, Jin-Hyuk ;
Kwak, Sang Kyu ;
Kim, Dong Suk ;
Yang, Changduk .
SCIENCE, 2020, 369 (6511) :1615-+
12345