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MEH-PPV Based Blue-light Dosimeter for Hyperbilirubinemia Treatment

Published online by Cambridge University Press:  02 September 2019

Pedro Alves da Silva Autreto
Affiliation:
Institute of Physics Gleb Wataghin, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
Claudia K Vasconcelos
Affiliation:
Physics Department, Federal University of Ouro Preto – UFOP, 35400-000, Ouro Preto, Minas Gerais, Brazil
Marcelo Z S Flores
Affiliation:
Institute of Physics Gleb Wataghin, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
Douglas S Galvao
Affiliation:
Institute of Physics Gleb Wataghin, University of Campinas - UNICAMP, 13083-970, Campinas, SP, Brazil
Rodrigo R Bianchi
Affiliation:
Physics Department, Federal University of Ouro Preto – UFOP, 35400-000, Ouro Preto, Minas Gerais, Brazil
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Abstract

In this work, we have theoretically investigated a model for the poly(2-methoxy-5(2'- ethylhexyloxy)-p-phenylenevinylene) (MEH-PPV) photodegradation based on structural models for MEH-PPV oligomers in vacuum and in solvent (chloroform). We investigated how the incorporation of oxygen and breaking of vinyl double bonds affect the absorption spectra. The theoretical results are in excellent agreement with the experimental data if we assume that the incorporation of carbonyl group is the main mechanism associated with the photodegradation processes.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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