C12-PTV with controlled regioregularity for photovoltaic application

Cheng Zhang; Eric Annih; Rui Li; Sam-Shajing Sun

doi:10.1117/12.808508

12 February 2009 C12-PTV with controlled regioregularity for photovoltaic application

Cheng Zhang, Eric Annih, Rui Li, Sam-Shajing Sun

Proceedings Volume 7213, Organic Photonic Materials and Devices XI; 721309 (2009) https://doi.org/10.1117/12.808508
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

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.

Citation Download Citation

Cheng Zhang, Eric Annih, Rui Li, and Sam-Shajing Sun "C12-PTV with controlled regioregularity for photovoltaic application", Proc. SPIE 7213, Organic Photonic Materials and Devices XI, 721309 (12 February 2009); https://doi.org/10.1117/12.808508

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KEYWORDS

Polymers

Photovoltaics

Absorption

Electrodes

Carbon

Chromatography

Solar cells

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