High-Performance All-Polymer Solar Cells Based on Face-On Stacked Polymer Blends with Low Interfacial Tension

被引：107

作者：

Kang, Hyunbum ^{[1
]}

Kim, Ki-Hyun ^{[1
]}

Choi, Joonhyeong ^{[1
]}

Lee, Changyeon ^{[1
]}

Kim, Bumjoon J. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea

来源：

ACS MACRO LETTERS | 2014年 / 3卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

CHARGE-TRANSFER; ELECTRON-DONOR; TANDEM POLYMER; ACCEPTOR; EFFICIENCY; COPOLYMER; AGGREGATION; GENERATION; MORPHOLOGY; ENERGY;

D O I：

10.1021/mz500415a

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report highly efficient all-polymer solar cells with power conversion efficiencies of over 4.5% by highly intermixed blends of PTB7-Th donor and P(NDI2OD-T2) acceptor polymers. The low interfacial tension and the face-on pi-pi stockings of the all-polymer blends afforded desired nanophase morphology, which facilitates efficient charge transport from the active layer to each electrode. In addition, the incorporation of 1,8-diiodooctane additives was able to tune the degree of crystallinity and orientation of P(NDI2OD-T2) acceptors, resulting in remarkable enhancement of electron mobility, external quantum efficiency, and J(sc) values.

引用

页码：1009 / 1014

页数：6

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