Raman spectroscopy applied to molecular transformation of photochromic polymers

Research output: Contribution to conferencePaper

Abstract

Photochromic polymers are materials with high potential for applications in optical devices. In this work we analyzed the polymeric matrix effect in convention and reconvertion efficiency of spiropyran trough Raman spectroscopy and fluorescence. Argon laser in 514 nm was used as excitation source. The results show the increase of fluorescence over the illumination time, one peak in λ=571 nm was present. The peak is associated with the molecular reconvertion from merocianine to spiropyran.
Original languageAmerican English
Pages1008-1012
Number of pages906
DOIs
StatePublished - 1 Dec 2004
Externally publishedYes
EventProceedings of SPIE - The International Society for Optical Engineering -
Duration: 31 Aug 2007 → …

Conference

ConferenceProceedings of SPIE - The International Society for Optical Engineering
Period31/08/07 → …

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