Using Light-Induced Thermocleavage in a Roll-to-Roll Process for Polymer Solar Cells

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We report on the use of intense visible light with a narrow spectral distribution matched to the region where the conjugated polymer material absorbs to selectively heat the active material and induce thermocleavage. We show a full roll-to-roll process, leading to complete large-area polymer solar cell modules using light-induced thermocleavage. The process employs full solution processing in air for all five layers in the device and does not employ indium−tin oxide or vacuum processing. The process steps were carefully analyzed using X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry, attenuated total reflectance infrared, and transmission/reflection UV−vis techniques.
Original languageEnglish
JournalA C S Applied Materials and Interfaces
Issue number3
Pages (from-to)877-887
Publication statusPublished - 2010

Bibliographical note

This work was supported by the Danish
Strategic Research Council (Grants DSF 2104-05-0052
and 2104-07-0022). A patent application covering the inventions described in this article has been filed.

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    Research areas

  • Polymer solar cells, Solar energy

ID: 4305433