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Title: Charge transport control via polymer polymorph modulation in ternary organic photovoltaic composites
Authors: Kan, Zhipeng 
Colella, Letizia 
Canesi, Eleonora V. 
Vorobiev, Alexei 
Skrypnychuk, Vasyl 
Terraneo, Giancarlo 
Barbero, David R. 
Bertarelli, Chiara 
MacKenzie, Roderick C. I. 
Keivanidis, Panagiotis E. 
Keywords: Charge carrier recombination;Fill factor;Is-enabled;Organic photovoltaics;Photoactive layers;Transport control
Category: Chemical Sciences
Field: Natural Sciences
Issue Date: 10-Dec-2015
Publisher: Royal Society of Chemistry
Source: Journal of Materials Chemistry A, Volume 4, Issue 4, Pages 1195-1201
DOI: 10.1039/c5ta08120c
Abstract: The control on the charge transport properties of ternary organic photovoltaic P3HT:PCBM:QBT devices is enabled by modulating the distribution of P3HT polymorphs in the device photoactive layers. Negligible amounts of QBT induce striking modifications in the P3HT lamellar stacking direction, forming both densely packed and non-densely packed P3HT chains. The former reduce the charge carrier recombination rate, enabling an increased fill factor and short-circuit device photocurrent.
ISSN: 20507488
Rights: © The Royal Society of Chemistry 2016.
Type: Article
Appears in Collections:Άρθρα/Articles

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