Nickel Oxide for Perovskite Photovoltaic Cells

Advanced Photonics Research

Hui Joon Park¹  Hansol Park¹  Bum Ho Jeong¹  Perumal Sakthivel¹  Rajneesh Chaurasiya¹ 

[1] Department of Organic and Nano Engineering Hanyang University Seoul 04763 Republic of Korea;

关键词: hole transport materials;    inorganic materials;    nickel oxide;    perovskite solar cells;    processing methods;   

DOI  :  10.1002/adpr.202000178

来源: DOAJ

【 摘 要 】

Organic–inorganic perovskite solar cells (PSCs) have shown tremendous progress from 3.8% power conversion efficiency (PCE) in 2003 to 25.2% in 2020 because of their wide range of light absorption, fast charge separation, long carrier diffusion length, and long carrier lifetime. The optoelectronic characteristics of hole transport material (HTM) and electron transport material (ETM) strongly affect photovoltaic (PV) performance and stability of PSCs. Recently, various inorganic HTMs with high efficiency, stability, and cost‐effectiveness have been investigated. Among them, nickel oxide (NiO x ) is one of the most studied inorganic HTMs in terms of device performance and stability because it has high hole mobility, electrical conductivity, transmittance, and energetically favorable band alignment, along with environmental stability. This article overviews the recent progress on NiO x ‐based planar PSCs. The main focus is on the structural, electrical and optical properties of the NiO x thin film, which mainly depends on the synthesis methods and post‐treatments. Firstly, a variety of methods are investigated to fabricate dense, compact and high crystallized NiO x thin film. Moreover, multifarious doping strategies and surface functionalization using organic materials are summarized as approaches to improve their properties for realizing high performance p–i–n planar PSC devices.

【 授权许可】

Unknown