Effect of processing additive 1,8-octanedithiol on the lifetime of PCPDTBT based Organic Photovoltaics

被引：28

作者：

Waters, Huw ^{[1
]}

Bristow, Noel ^{[1
]}

Moudam, Omar ^{[1
]}

Chang, Shu-Wei ^{[2
]}

Su, Chun-Jen ^{[3
]}

Wu, Wei-Ru ^{[3
]}

Jeng, U. -Ser ^{[3
]}

Horie, Masaki ^{[2
]}

Kettle, Jeff ^{[1
]}

机构：

[1] Univ Bangor, Sch Elect Engn, Bangor LL57 1UT, Gwynedd, Wales

[2] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 30013, Taiwan

[3] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan

来源：

ORGANIC ELECTRONICS | 2014年 / 15卷 / 10期

关键词：

Organic solar cell; Organic Photovoltaics; Degradation; Lifetime studies; Co-polymer; SOLAR-CELLS; EFFICIENCY; OPTIMIZATION; PERFORMANCE; FILMS;

D O I：

10.1016/j.orgel.2014.06.031

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect that processing additives have upon the lifetime of PCPDTBT-based OPVs has been investigated. The results show conclusively that whilst ODT processing additive enhances the initial performance of PCPDTBT:PCBM OPVs, it is detrimental to their long term performance, when measured under light soaking at 1 Sun of irradiance. Results are shown for both encapsulated and non-encapsulated devices. Topographical and morphological measurements made using AFM and small-and wide-angle X-ray scattering of active layers show that there are greater morphological changes of devices fabricated with the 1,8-octanedithiol upon light soaking, revealing a relatively venerable morphology of the active layer processed with the additive, when subject to light soaking. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：2433 / 2438

页数：6

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