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Quantitative Comparison of Organic Photovoltaic Bulk Heterojunction Photostability Under Laser Illumination

TitleQuantitative Comparison of Organic Photovoltaic Bulk Heterojunction Photostability Under Laser Illumination
Publication TypeJournal Article
Year of Publication2014
AuthorsLesoine, MD, Bobbitt, JM, Carr, JA, Elshobaki, M, Chaudhary, S, Smith, EA
JournalJournal of Physical Chemistry C
Volume118
Pagination30229-30237
Date Published12
Type of ArticleArticle
ISBN Number1932-7447
Accession NumberWOS:000347360200090
Keywordsblend, degradation, devices, highly efficient, morphology, photochemical stability, polymer solar-cells, raman-spectroscopy, solvent, thin-films
Abstract

same initial order for all preparation conditions, while P3HT order improves with slow solvent drying or thermal annealing. All films exhibited changes to bulk heterojunction structure with 2.5 x 10(5) Wcm(-2) laser illumination as measured by resonance Raman spectroscopy, and atomic force microscopy images show evidence of sample heating that affects the polymer over an area greater than the illumination profile. Photostability data are important for proper characterization by techniques involving illumination and the development of devices suitable for real-world applications.

DOI10.1021/jp509589g
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