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Optical properties of porphyrin molecules immobilized in nano-porous silicon

Paper ID Volume ID Publish Year Pages File Format Full-Text
14062 1072 2007 3 PDF Available
Title
Optical properties of porphyrin molecules immobilized in nano-porous silicon
Abstract

The paper aims at studying optical properties of porous silicon powders and thin films which were impregnated with different porphyrin molecules. It has been shown that introducing porphyrins into porous silicon matrix results in quenching of luminescence from porous silicon, while luminescence of porphyrins survives, though its structure changes. At the same time, porphyrins in porous silicon matrix which was preliminarily oxidized does not alter luminescence from porphyrins. Generation of singlet oxygen by illuminated porphyrin/porous silicon composite is confirmed by additional oxidation of porous silicon and by the observation of characteristic 1270 nm luminescence band.

Keywords
Nano-porous silicon (pSi); Porphyrins; Luminescence spectra; Photo-sensitizers
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Optical properties of porphyrin molecules immobilized in nano-porous silicon
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomolecular Engineering - Volume 24, Issue 1, February 2007, Pages 71–73
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us