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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Electronic structure of polythieno[3,4-b]-thiophene-co-benzodithiophene (PTB7) derivatives for organic solar cell applications

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Roldao, Juan Carlos [1] ; Oliveira, Eliezer Fernando [1] ; Lavarda, Francisco Carlos [1, 2]
Total Authors: 3
[1] UNESP Univ Estadual Paulista, POSMAT Programa Posgrad Ciencia & Tecnol Mat, Bauru, SP - Brazil
[2] UNESP Univ Estadual Paulista, DF FC, Ave Engn Luiz Edmundo Carrijo Coube 14-01, BR-17033360 Bauru, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: ORGANIC ELECTRONICS; v. 33, p. 246-252, JUN 2016.
Web of Science Citations: 14

Among the new materials currently employed as electron donor element in active layers of organic solar cells (OSCs), PTB7 holds the best results. It has been extensively studied and now there is a search for new derivatives to improve its properties. In this work, a set of 24 polymers derived from polythieno{[}3,4-b]-thiophene-co-benzodithiophene (PTB7) was studied theoretically, using chemical modifications in the benzodithiophene (BDT) moiety of the PTB7 monomeric units. After evaluations of the electronic and optical properties, including the open circuit voltage and exciton dissociation and recombination conditions, the results indicate that employing chlorine as substituent yields the most promising material for application in active layers together with Phenyl-C-61-Butyric-Acid-Methyl-Ester (PCBM) as electron acceptor material. (C) 2016 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 12/21983-0 - Electronic structure of organic materials for applications in solar cells' active layers
Grantee:Eliezer Fernando de Oliveira
Support type: Scholarships in Brazil - Doctorate
FAPESP's process: 14/20410-1 - Electronic structure of organic materials for applications in the active layer of solar cells
Grantee:Francisco Carlos Lavarda
Support type: Regular Research Grants