Ruthenium doped mesoporous titanium dioxide for highly efficient, hysteresis-free and stable perovskite solar cells

被引：28

作者：

Chavan, Rohit D. ^{[1
]}

Yadav, Pankaj ^{[2
]}

Nimbalkar, Ajaysing ^{[1
]}

Bhoite, Sangram P. ^{[1
]}

Bhosale, Popatrao N. ^{[3
]}

Hong, Chang Kook ^{[1
]}

机构：

[1] Chonnam Natl Univ, Sch Appl Chem Engn, Polymer Energy Mat Lab, Gwangju 500757, South Korea

[2] Pandit Deendayal Petr Univ, Sch Technol, Dept Solar Energy, Gandhinagar 382007, Gujarat, India

[3] Shivaji Univ, Dept Chem, Mat Res Lab, Kolhapur, Maharashtra, India

来源：

SOLAR ENERGY | 2019年 / 186卷

基金：

新加坡国家研究基金会;

关键词：

Perovskite solar cells; Mesoporous-TiO2; Electronic and photovoltaic properties; Doping; Hysteresis index; Stability; ELECTRICAL-PROPERTIES; TIO2; PERFORMANCE; TRANSPORT; RECOMBINATION; ELUCIDATION; INTERFACE; LAYERS; FILMS;

D O I：

10.1016/j.solener.2019.04.098

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The electron transporting layer (ETL) plays a vital role in the power conversion efficiency (PCE) of perovskite solar cells (PSCs). We have demonstrated the synthesis of ruthenium doped mesoporous TiO2 (Ru-TiO2) and their utility as ETLs for PSCs. The doping effects of Ru4+ on the electronic and photovoltaic properties of mesoporous TiO2 (mp-TiO2) have been investigated as well. The highest PCE of 18.94% was obtained with 0.1 M Ru-TiO2 PSCs exhibiting an open circuit voltage (V-OC) of 1.128 V, current density (J(SC)) of 22.55 mA cm(-2), and fill factor (FF) of 76.55%, whereas the conventional mesoporous PSCs showed PCE = 16.80%, V-OC = 1.095 V, J(SC) = 21.50 mA cm(-2), and FF = 70.01%. Note that the 0.1 M Ru-TiO2 device shows high PCE with negligible hysteresis index, high reproducibility and more stability as compared to conventional mesoporous PSCs.

引用

页码：156 / 165

页数：10

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