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Title: 4H-1,2,6-Thiadiazin-4-one-containing small molecule donors and additive effects on their performance in solution-processed organic solar cells
Authors: Hermerschmidt, Felix 
Kalogirou, Andreas 
Min, Jie 
Zissimou, Georgia A. 
Tuladhar, Sachetan M. 
Ameri, Tayebeh 
Faber, Hendrik A. 
Itskos, Grigorios 
Choulis, Stelios A. 
Anthopoulos, Thomas D. 
Bradley, Donal D.C. 
Nelson, Jenny M. 
Brabec, Christoph J. 
Koutentis, Panayiotis A. 
Keywords: Fullerenes;Heterojunctions;Hole mobility;Silicones
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 14-Mar-2015
Publisher: Royal Society of Chemistry
Source: Journal of Materials Chemistry C Volume 3, Issue 10, 14 March 2015, Pages 2358-2365
Abstract: The optical, electrochemical, morphological and transport properties of a series of thiadiazinone (acceptor) and (thienyl)carbazoles (donor) containing π-extended donor-acceptor-donors (D-A-D) are presented. Systematic variations in the number of the thienyl units, the choice of branched or straight alkyl side chains and the use of a processing additive demonstrate their use as electron donors in bulk heterojunction solar cells blended with fullerene acceptors. The best power conversion efficiency (PCE) of 2.7% is achieved by adding to the D-A-D 3:fullerene blend a polydimethylsiloxane (PDMS) additive, that improves the morphology and doubles the hole mobility within the D-A-D:fullerene blend.
ISSN: 20507534
DOI: 10.1039/c4tc02931c
Rights: © The Royal Society of Chemistry.
Type: Article
Appears in Collections:Άρθρα/Articles

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