Application of Sol-Gel Processed Titanium Oxide for Inverted Polymer Solar Cells as an Electron Transport Layer

被引：9
|
作者：
Song, Myung-Seok [1 ]
Jeong, Chae Hwan [2 ]
Kim, Do-Heyoung [1 ]
机构：
[1] Chonnam Natl Univ, Coll Engn, Sch Chem Engn, 300 Youngbong Dong, Kwangju 500757, South Korea
[2] Korea Inst Ind Technol, Appl Opt & Energy R&BD Grp, 1110-9 Oryong Dong, Gwanju 500480, South Korea
来源：
SCIENCE OF ADVANCED MATERIALS | 2016年 / 8卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Inverted Polymer Solar Cell; Power Conversion Efficiency; Sol-Gel; Doping; Electron Transport Layer; Titanium Oxide; COLLECTING LAYERS; BUFFER LAYER; TIO2; FILM;
D O I：
10.1166/sam.2016.2602
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The use of sol-gel processed titanium oxide (TiO2) as an electron transport layer in inverted bulk hetero-junction (BHJ) polymer solar cells (PSCs) was investigated. By adjusting the precursor/solvent ratio of the precursor sol, the thickness of the titanium oxide (TiO2) films was varied from 5 nm to 50 nm, and its effect on the photovoltaic performances was evaluated. The power conversion efficiency (PCE) of the devices was found to increase on decreasing the film thickness to 10 nm, and a slight decrease was observed below this critical thickness. We also investigated the effect of nitrogen-doping of TiO2 on the PCE of the cells. The inverted solar cells with N-doped TiO2 film gave 10% improved performance compared to the devices containing undoped TiO2 film.
引用
收藏
页码：75 / 79
页数：5
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