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Relaxation is the key to longer life: Suppressed degradation of P3HT films on conductive substrates
KTH Royal Institute of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.ORCID iD: 0000-0002-3186-6507
KTH Royal Institute of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
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2014 (English)In: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 2, no 33, p. 13270-13276Article in journal (Refereed) Published
Abstract [en]

Here we show the dependence of the degree of degradation of poly-3-hexylthiophene (P3HT) films on the conductivity of the supporting substrate. P3HT is widely used for organic solar cells and electronic devices because it allows simple, low cost fabrication and has potential for the fabrication of flexible devices. However, P3HT is known to have a relatively low photostability, and investigating the photodegradation mechanism is an active research field. We find that P3HT films on conductive substrates show significantly retarded degradation and retain their chemical and morphological features when compared to similar films on glass substrates. This 'substrate effect' in retarding the degradation of P3HT films is evident even upon prolonged exposure to air for up to five months. 

Place, publisher, year, edition, pages
2014. Vol. 2, no 33, p. 13270-13276
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Natural Sciences
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URN: urn:nbn:se:ri:diva-6664DOI: 10.1039/c4ta02345eScopus ID: 2-s2.0-84905169082Local ID: 23635OAI: oai:DiVA.org:ri-6664DiVA, id: diva2:964504
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2019-08-14Bibliographically approved

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Sugunan, Abhilash

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