Metal-Doped TiO2 Thin Film as an Electron Transfer Layer for Perovskite Solar Cells: A Review

被引：9

作者：

Halin, Dewi Suriyani Che ^{[1
,2
]}

Azhari, Ayu Wazira ^{[3
,4
]}

Salleh, Mohd Arif Anuar Mohd ^{[1
,2
]}

Nadzri, Nur Izzati Muhammad ^{[1
,2
]}

Vizureanu, Petrica ^{[5
,6
]}

Abdullah, Mohd Mustafa Al Bakri ^{[1
,2
]}

Wahab, Juyana A. ^{[1
,2
]}

Sandu, Andrei Victor ^{[5
,7
,8
]}

机构：

[1] Univ Malaysia Perlis, Ctr Excellence Geopolymer & Green Technol, Arau 02600, Malaysia

[2] Univ Malaysia Perlis, Fac Chem Engn & Technol, Arau 02600, Malaysia

[3] Univ Malaysia Perlis, Fac Civil Engn & Technol, Arau 02600, Malaysia

[4] Univ Malaysia Perlis, Ctr Excellence Water Res & Environm Sustainabil Gr, Arau 02600, Malaysia

[5] Gheorghe Asachi Tech Univ Iasi, Fac Mat Sci & Engn, Blvd D Mangeron 71, Iasi 700050, Romania

[6] Tech Sci Acad Romania, Dacia Blvd 26, Bucharest 030167, Romania

[7] Romanian Inventors Forum, Str Sf P Movila 3, Iasi 700089, Romania

[8] Natl Inst Res & Dev Environm Protect, INCDPM, Splaiul Independentei 294, Bucharest 060031, Romania

来源：

COATINGS | 2023年 / 13卷 / 01期

关键词：

TiO2; bulk modification; electron transfer layer; metal doping; perovskite solar cells; TRANSPORT LAYER; TITANIUM-DIOXIDE; COMPACT LAYER; EFFICIENT; PERFORMANCE; STABILITY; SNO2; NANOPARTICLES; INJECTION; PROGRESS;

D O I：

10.3390/coatings13010004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electron transfer layer (ETL) plays a vital role in achieving high-performance perovskite solar cells (PSCs). Titanium dioxide (TiO2) is primarily utilised as the ETL since it is low-cost, chemically stable, and has the simplest thin-film preparation methods. However, TiO2 is not an ideal ETL because it leads to low conductivity, conduction band mismatch, and unfavourable electron mobility. In addition, the exposure of TiO2 to ultraviolet light induces the formation of oxygen vacancies at the surface. To overcome these issues, doping TiO2 with various metal ions is favourable to improve the surface structure properties and electronic properties. This review focuses on the bulk modification of TiO2 via doping with various metal ions concentrations to improve electrical and optical properties, charge carrier density, and interfacial electron-hole recombination, thus contributing to enhancing the power conversion efficiency (PCE) of the PSCs.

引用

页数：13

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