Journal article
A surface-enhanced FT-Raman spectroscopic method for studying viologen dye in an electrochromic device
Materials Letters, Vol.56(6), pp.901-905
2002
Abstract
Surface-enhanced Raman spectroscopy (SERS) has been used to study, in situ, the molecular structure of an electrochromic device composed of a thin nanoporous, nanocrystalline film of anatase titania (TiO 2) derivatised with the viologen 1-ethyl-1V-ethylphosphonato-4,4V-bipyridyl dichloride (EPV). Silver colloid solution was added to the surface of the TiO 2 film to provide the SERS activity. Raman spectra of the EPV were obtained as the potential was varied, giving a unique insight into the molecular structural changes giving rise to the electrochromic effect. The presence of the small amount of Ag colloid did not affect the performance of the device. Incorporation of silver particles directly into the TiO 2 layer, instead of adding colloid solution to the surface, was not successful.
Details
- Title
- A surface-enhanced FT-Raman spectroscopic method for studying viologen dye in an electrochromic device
- Authors
- Claire A Runge (Author) - Queensland University of TechnologyGeoffrey D Will (Author) - Queensland University of TechnologyPeter M Fredericks (Corresponding Author) - Queensland University of Technology
- Publication details
- Materials Letters, Vol.56(6), pp.901-905
- Publisher
- Elsevier BV
- DOI
- 10.1016/S0167-577X(02)00634-1
- ISSN
- 1873-4979
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99737877802621
- Output Type
- Journal article
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- Materials Science, Multidisciplinary
- Physics, Applied
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