DOI: 10.1002/marc.200600314. Thienopyrazine‐Based Low‐Bandgap Poly(heteroaryleneethynylene)s for Photovoltaic Devices

Thienopyrazine‐Based Low‐Bandgap Poly(heteroaryleneethynylene)s for Photovoltaic Devices

10.1002/marc.200600314

Crossref journal-article

Wiley

Macromolecular Rapid Communications (311)

Abstract

AbstractSummary: Low‐bandgap π‐conjugated polymers that consist of alkyl thiophene/alkoxy phenylene and 2,3‐diphenylthieno[3,4‐b]pyrazine units have been prepared in high yields by a Sonogashira polycondensation. The copolymers are characterized by NMR, IR, UV, GPC, and elemental analysis. Thin films of the polymers P1, P2, and P3 exhibit an optical bandgap of ≈1.57–1.60 eV. Under simulated AM 1.5 conditions P2/PCBM devices on polyester foil provide a short circuit current of ISC = 10.72 mA · cm−2, an open circuit voltage of Voc = 0.67 V, and a power conversion efficiency of 2.37%.Schematic of the photovoltaic device made from the polymers synthesized here.magnified imageSchematic of the photovoltaic device made from the polymers synthesized here.

Bibliography

Ashraf, R. S., Shahid, M., Klemm, E., AlâIbrahim, M., & Sensfuss, S. (2006). ThienopyrazineâBased LowâBandgap Poly(heteroaryleneethynylene)s for Photovoltaic Devices. Macromolecular Rapid Communications, 27(17), 1454â1459. Portico.

Authors 5

Raja Shahid Ashraf (first)
Munazza Shahid (additional)
Elisabeth Klemm (additional)
Maher Al‐Ibrahim (additional)
Steffi Sensfuss (additional)

References 37 Referenced 156

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Dates

Type	When
Created	18 years, 11 months ago (Aug. 28, 2006, 8:01 a.m.)
Deposited	1 year, 10 months ago (Oct. 8, 2023, 3:25 p.m.)
Indexed	1 month, 1 week ago (July 20, 2025, 12:34 a.m.)
Issued	18 years, 11 months ago (Aug. 31, 2006)
Published	18 years, 11 months ago (Aug. 31, 2006)
Published Online	18 years, 11 months ago (Aug. 31, 2006)
Published Print	18 years, 11 months ago (Sept. 4, 2006)

Funders 0

None

BibTeX

@article{Ashraf_2006, title={Thienopyrazine‐Based Low‐Bandgap Poly(heteroaryleneethynylene)s for Photovoltaic Devices}, volume={27}, ISSN={1521-3927}, url={http://dx.doi.org/10.1002/marc.200600314}, DOI={10.1002/marc.200600314}, number={17}, journal={Macromolecular Rapid Communications}, publisher={Wiley}, author={Ashraf, Raja Shahid and Shahid, Munazza and Klemm, Elisabeth and Al‐Ibrahim, Maher and Sensfuss, Steffi}, year={2006}, month=aug, pages={1454–1459} }

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