Thermally controlled preferential molecular aggregation state in a thiacarbocyanine dye

Rémy Passier, James P. Ritchie, Carlos Toro, Carlos Diaz, Artëm E. Masunov, Kevin D. Belfield, Florencio E. Hernandez

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Herein we report the experimental and theoretical study of the temperature dependence of a thiacarbocyanine dye in its monomer, H- and J-aggregates states. We demonstrate the ability to control the ratio of monomer, H- and/or J-aggregates with heat. We link such a control to the conformation dependence of the molecule. An alternative way to gain access to the dominating species without changing the concentration as a complete switching mechanism between all the present species is proposed. The results presented in this work lead to a better understanding of thiacarbocyanine dye's behavior.

Original languageEnglish (US)
Article number134508
JournalJournal of Chemical Physics
Volume133
Issue number13
DOIs
StatePublished - Oct 7 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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