Document Detail

Small band gap polymers synthesized via a modified nitration of 4,7-dibromo-2,1,3-benzothiadiazole.
MedLine Citation:
PMID:  20843090     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The nitration of 4,7-dibromo-2,1,3-benzothiadiazole was modified by using CF(3)SO(3)H and HNO(3) as the nitrating agent, and the related yield was improved greatly. On the basis of this improvement, two new small band gap polymers, P1TPQ and P3TPQ, were developed. Bulk heterojunction solar cells based on P3TPQ and [6,6]-phenyl-C(71)-butyric acid methyl ester exhibit interesting results with a power conversion efficiency of 2.1% and photoresponse up to 1.1 μm.
Ergang Wang; Lintao Hou; Zhongqiang Wang; Stefan Hellström; Wendimagegn Mammo; Fengling Zhang; Olle Inganäs; Mats R Andersson
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Organic letters     Volume:  12     ISSN:  1523-7052     ISO Abbreviation:  Org. Lett.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-11     Completed Date:  2011-01-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890393     Medline TA:  Org Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  4470-3     Citation Subset:  -    
Department of Chemical and Biological Engineering/Polymer Technology, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
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