首页|High-Performance Inverted Perovskite Solar Cells with Sol-Gel-Processed Sliver-Doped NiOx Hole Transporting Layer

High-Performance Inverted Perovskite Solar Cells with Sol-Gel-Processed Sliver-Doped NiOx Hole Transporting Layer

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Nickel oxide(NiOx)has been established as a highly efficient and stable hole-transporting layer(HTL)in perovskite solar cells(PSCs).However,existing deposition methods for NiOx have been restricted by high-vacuum processes and fail to address the energy level mismatch at the NiOx/perovskite interface,which has impeded the development of PSCs.Accordingly,we explored the application of NiOx as a hybrid HTL through a sol-gel process,where a NiOx film was pre-doped with Ag ions,forming a p/p+homojunction in the NiOx-based inverted PSCs.This innovative approach offers two synergistic advantages,including the enlargement of the built-in electric field for facilitating charge separation,optimizing energy level alignment,and charge transfer efficiency at the interface between the perovskite and HTL.Incorporating this hybrid HTL featuring the p/p+homojunction in the inverted PSCs resulted in a high-power conversion efficiency(PCE)of up to 19.25％,significantly narrowing the efficiency gap compared to traditional n-i-p devices.Furthermore,this innovative strategy for the HTL enhanced the environmental stability to 30 days,maintaining 90％of the initial efficiency.

Ag-NiOx/NiOxhole transporting layerinverted perovskite solar cells

Haibin Wang、Zhiyin Qin、XinJian Li、Chun Zhao、Chao Liang

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School of Advanced Technology,Xi'an Jiaotong-Liverpool University,Renai Road,Suzhou 215123,China

Department of Electrical Engineering and Electronics,University of Liverpool,Liverpool L69 3GJ,UK

School of Humanities and Social Sciences,Xi'an Jiaotong-Liverpool University,Renai Road,Suzhou 215123,China

Key Laboratory of Materials Physics of Ministry of Education,School of Physics and Microelectronics,Zhengzhou University,Daxue Road 75,Zhengzhou 450052,China

MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter,School of Physics,National Innovation Platform(Center)for Industry-Education Integration of Energy Storage Technology,Xi'an Jiaotong University,Xi'an 710049,China

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National Natural Science Foundation of ChinaNatural Science Foundation of Jiangsu ProvinceNatural Science Foundation of the Higher Education Institutions of Jiangsu ProvinceNatural Science Foundation of the Jiangsu Higher Education Institutions of China ProgramSuzhou Science and Technology Development Planning Project:Key Industrial Technology InnovationUniversity Research Development FundKey Program Special Fund in XJTLUKey Program Special Fund in XJTLUXJTLU Al University Research Centre and Jiangsu(Provincial)Data Science and Cognitive Computational Engineering Research Cen

62204210BK2022028422KJB51001319KJB510059SYG201924RDF-17-01-13KSF-T-03KSF-A-07

2024

10.1002/eem2.12666

能源与环境材料(英文)

能源与环境材料(英文)

ISSN：
年,卷(期)：2024.7(4)