Study of the effect of excited state concentration on photodegradation of the p3ht polymer.

Abstract:

:We have studied photoinduced reduction of absorption and emission in p3ht, a semiconducting polymer, and found that the rate of photodegradation (destruction of the constituent thiophene rings) does not correlate with the luminescence intensity and, correspondingly, does not depend on the excited state concentration. This conclusion rules out Purcell enhancement of radiative decay rate as a possible explanation of the recently discovered reduction of the p3ht photodegradation rate in the vicinity of metallic substrates and lamellar metal-dielectric metamaterials.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Peters VN,Alexander R,Peters DA,Noginov MA

doi

10.1038/srep33238

subject

Has Abstract

pub_date

2016-09-15 00:00:00

pages

33238

issn

2045-2322

pii

srep33238

journal_volume

6

pub_type

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