Silicon Atom Substitution Enhances Interchain Packing in a Thiophene-Based Polymer System

Silicon Atom Substitution Enhances Interchain Packing in a Thiophene-Based Polymer System

A new silole‐containing low bandgap polymer is synthesized by replacing the 5‐position carbon of PCPDTBT with a silicon atom (PSBTBT). Through experiments and computational calculations, we show that the material properties, particular the packing of polymer chains, can be altered significantly. As...

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Veröffentlicht in:Advanced materials (Weinheim) 2010-01, Vol.22 (3), p.371-375
Hauptverfasser: Chen, Hsiang-Yu, Hou, Jianhui, Hayden, Amy E., Yang, Hoichang, Houk, K. N., Yang, Yang
Format: Artikel
Sprache:eng
Schlagworte:
Bulk heterojunction solar cells
Models, Molecular
Polymer solar cells
Polymers - chemistry
Silicon - chemistry
Siloles
Thiophenes - chemistry
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Zusammenfassung:A new silole‐containing low bandgap polymer is synthesized by replacing the 5‐position carbon of PCPDTBT with a silicon atom (PSBTBT). Through experiments and computational calculations, we show that the material properties, particular the packing of polymer chains, can be altered significantly. As a result, the polymer changes from amorphous to highly crystalline with the replacement of the silicon atom.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200902469