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

Waters, H., Bristow, N., Moudam, O., Chang, S.-W., Su, C.-J., Wu, W.-R., Jeng, U.-S., Horie, M. and Kettle, J. (2014) Effect of processing additive 1,8-octanedithiol on the lifetime of PCPDTBT based Organic Photovoltaics. Organic Electronics, 15(10), pp. 2433-2438. (doi: 10.1016/j.orgel.2014.06.031)

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Abstract

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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kettle, Dr Jeff
Authors: Waters, H., Bristow, N., Moudam, O., Chang, S.-W., Su, C.-J., Wu, W.-R., Jeng, U.-S., Horie, M., and Kettle, J.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Organic Electronics
Publisher:Elsevier
ISSN:1566-1199
ISSN (Online):1878-5530
Published Online:18 July 2014

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