Ultrafast Charge and Triplet State Formation in Diketopyrrolopyrrole Low Band Gap Polymer/Fullerene Blends: Influence of Nanoscale Morphology of Organic Photovoltaic Materials on Charge Recombination to the Triplet State

Ultrafast Charge and Triplet State Formation in Diketopyrrolopyrrole Low Band Gap Polymer/Fullerene Blends: Influence of Nanoscale Morphology of Organic Photovoltaic Materials on Charge Recombination to the Triplet State

Femtosecond transient absorption spectroscopy of thin films of two types of morphologies of diketopyrrolopyrrole low band gap polymer/fullerene-adduct blends is presented and indicates triplet state formation by charge recombination, an important loss channel in organic photovoltaic materials. At lo...

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Bibliographic Details
Main Authors: René M. Williams, Hung-Cheng Chen, Daniele Di Nuzzo, Stephan C. J. Meskers, René A. J. Janssen
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Journal of Spectroscopy
Online Access:http://dx.doi.org/10.1155/2017/6867507
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