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Proceedings Paper

C12-PTV with controlled regioregularity for photovoltaic application
Author(s): Cheng Zhang; Eric Annih; Rui Li; Sam-Shajing Sun
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Paper Abstract

Regioregular monosubstituted polythienylvinylene (PTV) is a potentially important class of low band-gap conjugated polymers for photovoltaic research. We have recently reported the synthesis of a fully head-to-tail regioregular dodecyl-substituted PTV (HT-HT PDDTV). To balance high crystallization tendency and solution processibility, a series of PDDTV with controlled regioregularity have been synthesized using two isomeric co-monomers with molar ratios from 0:1, 1:9, 2:8, 3:7, 4:6 to 5:5, and solubility increases from less than 2 mg/mL to greater than 20 mg/mL in chloroform. The polymers are studied by 1H and 13C NMR, UV-Vis absorption spectroscopy, differential scanning calorimetry and gel permeation chromatography. Preliminary study of photovoltaic performance has been conducted for 5:5 PDDTV.

Paper Details

Date Published: 12 February 2009
PDF: 9 pages
Proc. SPIE 7213, Organic Photonic Materials and Devices XI, 721309 (12 February 2009); doi: 10.1117/12.808508
Show Author Affiliations
Cheng Zhang, Norfolk State Univ. (United States)
Eric Annih, Norfolk State Univ. (United States)
Rui Li, Norfolk State Univ. (United States)
Sam-Shajing Sun, Norfolk State Univ. (United States)

Published in SPIE Proceedings Vol. 7213:
Organic Photonic Materials and Devices XI
Robert L. Nelson; François Kajzar; Toshikuni Kaino, Editor(s)

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