Controlling rigidity and planarity in conjugated polymers: Poly(3,4-ethylenedithioselenophene)

Yair H. Wijsboom, Asit Patra, Sanjio S. Zade, Yana Sheynin, Mao Li, Linda J.W. Shimon, Michael Bendikov

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Staying on a plane: Even small substituents on the backbone of conjugated polymers can cause them to twist significantly, lowering conjugation and leading to wider band gaps. Oligoand polyselenophenes are more rigid than their thiophene analogues, and can maintain their planarity and low band gap with substituents that otherwise cause considerable twisting. The picture shows two selenophene dimers; Se magenta, S yellow.

Original languageEnglish
Pages (from-to)5443-5447
Number of pages5
JournalAngewandte Chemie - International Edition
Volume48
Issue number30
DOIs
Publication statusPublished - Jul 13 2009

Keywords

  • Conjugated polymers
  • Planarity
  • Polyselenophenes
  • Solid-state polymerization
  • Steric hindrance

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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