Effect of molecular weight on the vibronic structure of a diketopyrrolopyrrole polymer

Sophia C. Hayes, Galatia Pieridou, Michelle Vezie, Sheridan Few, Hugo Bronstein, Iain Meager, Iain McCulloch, Jenny Nelson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Resonance Raman Spectroscopy (RRS) is employed in this study to examine the influence of molecular weight on the optical response of a diketopyrrolopyrrole polymer (DPP-TT-T) in solution. The vibronic structure observed for the ground state absorption of this polymer is found to vary with molecular weight and solvent. Resonance Raman Intensity Analysis (RRIA) revealed that the absorption spectra can be described by at least two dipole-allowed transitions and the vibronic structure variation is due to differing contributions from linear and curved segments of the polymer.

Original languageEnglish (US)
Title of host publicationPhysical Chemistry of Interfaces and Nanomaterials XV
EditorsRobert Lovrincic, Artem A. Bakulin, Natalie Banerji
PublisherSPIE
ISBN (Electronic)9781510602373
DOIs
StatePublished - 2016
Externally publishedYes
EventPhysical Chemistry of Interfaces and Nanomaterials XV - San Diego, United States
Duration: Aug 28 2016Aug 31 2016

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9923
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhysical Chemistry of Interfaces and Nanomaterials XV
Country/TerritoryUnited States
CitySan Diego
Period8/28/168/31/16

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Keywords

  • Conjugated polymer
  • DPP-TT-T
  • Molecular weight
  • Resonance Raman spectroscopy
  • Vibronic structure

Fingerprint

Dive into the research topics of 'Effect of molecular weight on the vibronic structure of a diketopyrrolopyrrole polymer'. Together they form a unique fingerprint.

Cite this