Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers

Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers

Through manipulation of the solubilizing side chains, we were able to dramatically improve the molecular weight (Mw) of 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene (BDT)/2,1,3-benzothiadiazole (BT) copolymers. When dodecyl side chains (P1) are employed at the 4- and 8-positions of the BDT unit, we ob...

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Main Authors: Robert C. Coffin, Christopher M. MacNeill, Eric D. Peterson, Jeremy W. Ward, Jack W. Owen, Claire A. McLellan, Gregory M. Smith, Ronald E. Noftle, Oana D. Jurchescu, David L. Carroll
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Journal of Nanotechnology
Online Access:http://dx.doi.org/10.1155/2011/572329
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http://dx.doi.org/10.1155/2011/572329

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