Solution-combustion-based nickel oxide hole transport layers via fuel regulation in inverted planar perovskite solar cells

被引：6

作者：

Liu, Yue ^{[1
]}

Cai, Hongkun ^{[1
,2
]}

Su, Jian ^{[1
]}

Ye, Xiaofang ^{[1
]}

Yang, Jingtao ^{[1
]}

Liang, Xiaojuan ^{[1
]}

Guan, Jiayi ^{[1
]}

Zhou, Xiaojun ^{[1
]}

Yin, Junyang ^{[3
]}

Ni, Jian ^{[1
,2
]}

Li, Juan ^{[1
,2
]}

Zhang, Jianjun ^{[1
,2
]}

机构：

[1] Nankai Univ, Coll Elect Informat & Opt Engn, Dept Elect Sci & Technol, Tianjin 300350, Peoples R China

[2] Minist Educ, Engn Res Ctr Thin Film Optoelect Technol, Tianjin 300350, Peoples R China

[3] Tianjin Univ Technol, Sch Elect & Elect Engn, Tianjin Key Lab Film Elect & Commun Devices, Tianjin 300384, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2020年 / 31卷 / 18期

基金：

中国国家自然科学基金;

关键词：

P-I-N; LOW-TEMPERATURE; EFFICIENT; NIOX; FILM; THIN; CRYSTALLIZATION; PERFORMANCE; EXTRACTION; STABILITY;

D O I：

10.1007/s10854-020-04087-y

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In recent years, metal oxide hole transporting layers (HTLs) have been commonly used in inverted planar perovskite solar cells. Due to high optical transmittance, better long-term stability, and suitable energy band characteristics, NiOxHTLs have been intensively studied. The NiOxmaterials prepared by solution-combustion method with characteristics of self-energy generation and exothermic reaction have received much attention, which significantly reduces the reaction temperature compared with the traditional sol-gel methods. In this paper, a NiOxfilm with better conductivity and enhanced carrier extraction was obtained by adjusting the fuel concentration in the nickel oxide precursor solution. It was also confirmed that perovskite film was improved with larger grain size and reduced trap-state densities. As a consequence, by using the 10 ul/ml optimal concentration of acetylacetone in the NiOxprecursor solution, the inverted planar perovskite solar cells achieved a maximum power conversion efficiency of 14.37%.

引用

页码：15225 / 15232

页数：8

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