Roll-coating fabrication of flexible organic solar cells: comparison of fullerene and fullerene-free systems

被引：88

作者：

Liu, Kuan ^{[1
,2
]}

Larsen-Olsen, Thue Trofod ^{[2
]}

Lin, Yuze ^{[1
]}

Beliatis, Michail ^{[2
]}

Bundgaard, Eva ^{[2
]}

Jorgensen, Mikkel ^{[2
]}

Krebs, Frederik C. ^{[2
]}

Zhan, Xiaowei ^{[1
]}

机构：

[1] Peking Univ, Coll Engn, Dept Mat Sci & Engn, Key Lab Polymer Chem & Phys,Minist Educ, Beijing 100871, Peoples R China

[2] Tech Univ Denmark, Dept Energy Convers & Storage, DK-4000 Roskilde, Denmark

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

POWER CONVERSION EFFICIENCY; SMALL-MOLECULE ACCEPTOR; HIGH-PERFORMANCE; ELECTRON-ACCEPTORS; 3D STRUCTURE; POLYMER; PHOTOVOLTAICS; SINGLE; BENZODITHIOPHENE; MORPHOLOGY;

D O I：

10.1039/c5ta07357j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Flexible organic solar cells (OSCs) based on a blend of low-bandgap polymer donor PTB7-TH and non-fullerene small molecule acceptor IEIC were fabricated via a roll-coating process under ambient atmosphere. Both an indium tin oxide (ITO)-free substrate and a flexible ITO substrate were employed in these inverted OSCs. OSCs with flexible ITO and ITO-free substrates exhibited power conversion efficiencies (PCEs) up to 2.26% and 1.79%, respectively, which were comparable to those of the reference devices based on fullerene acceptors under the same conditions. This is the first example for all roll-coating fabrication procedures for flexible OSCs based on non-fullerene acceptors with the PCE exceeding 2%. The fullerene-free OSCs exhibited better dark storage stability than the fullerene-based control devices.

引用

页码：1044 / 1051

页数：8

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