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Tailor-made synthesis of poly(3-hexylthiophene) with carboxylic end groups and its application as a polymer sensitizer in solid-state dye-sensitized solar cells

Title data

Lohwasser, Ruth H. ; Bandara, Jayasundera ; Thelakkat, Mukundan:
Tailor-made synthesis of poly(3-hexylthiophene) with carboxylic end groups and its application as a polymer sensitizer in solid-state dye-sensitized solar cells.
In: Journal of Materials Chemistry. Vol. 19 (2009) Issue 24 . - pp. 4126-4130.
ISSN 0959-9428
DOI: https://doi.org/10.1039/b900921c

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

We report the first synthesis of regioregular poly(3-hexylthiophene) with carboxylic end groups (P3HT-COOH), show its potential to anchor onto mesoporous TiO2 and show its application as a polymer sensitizer in a solid-state dye-sensitized solar cell. The incorporation of COOH groups was done by a polymer analogous reaction on P3HT. The product is characterized in comparison with P3HT and low molecular weight model molecules of substituted thiophene. These model compounds are efficient tools to identify end groups in P3HT and P3HT-COOH. The solar cell with 2,2,7,7-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9-spiro-bifluorene (spiro-OMeTAD) as a hole conductor and P3HT-COOH as a polymer sensitizer on mesoporous TiO2 shows a short-circuit current of 3.7 mA cm-2, an open circuit voltage of 0.54 V and a power conversion efficiency of 0.9%.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Polymer and Colloid Science
Graduate Schools
Graduate Schools > Elite Network Bavaria
Graduate Schools > Elite Network Bavaria > Macromolecular Science
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Professorship Applied Functional Polymers > Professorship Applied Functional Polymers - Univ.-Prof. Dr. Mukundan Thelakkat
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Professorship Applied Functional Polymers
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 14 Apr 2016 07:39
Last Modified: 21 Jul 2016 08:32
URI: https://eref.uni-bayreuth.de/id/eprint/1286