Increasing organic solar cell efficiency with polymer interlayers

Deschler, Felix; Riedel, Daniel; Ecker, Bernhard; Hauff, Elizabeth von; Da Como, Enrico and MacKenzie, Roderick C. I. (7. November 2012): Increasing organic solar cell efficiency with polymer interlayers. In: Physical Chemistry Chemical Physics, Vol. 15, No. 3: pp. 764-769

Abstract

We demonstrate how organic solar cell efficiency can be increased by introducing a pure polymer interlayer between the PEDOT:PSS layer and the polymer: fullerene blend. We observe an increase in device efficiency with three different material systems over a number of devices. Using both electrical characterization and numerical modeling we show that the increase in efficiency is caused by optical absorption in the pure polymer layer and hence efficient charge separation at the polymer bulkheterojunction interface.

• Item Type: Journal article
• Form of publication: Publisher's Version
• Faculties: Physics
• Subjects: 500 Science > 530 Physics; 500 Science > 540 Chemistry
• ISSN: 1463-9076
• Alliance/National Licence: This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
• Annotation: First publ. online. Print publ. 2013
• Language: English