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Issue 41, 2014
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Effect of volatile solvent infiltration on optical and electrical characteristics of porous photonic structures

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Abstract

The infiltration of small chain alcohols into the deep nano sized pores of one dimensional porous silicon (PS) based photonic structures have been continuously monitored against time by simultaneous electrical and optical measurements. The in situ optical reflection studies during volatile solvent exposure reveal several dynamic processes; within a limited time duration of solvent exposure the microcavity resonant peak shifts towards higher wavelength, and after prolonged exposure and drying the cavity resonant peak shifts to a new semi-permanent lower wavelength. In situ optical and electrical responses from PS photonic structure-based low-cost multifunctional devices reveal their potential application for a wide range of chemical and biological species detection and monitor their sensor dynamic processes.

Graphical abstract: Effect of volatile solvent infiltration on optical and electrical characteristics of porous photonic structures

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Publication details

The article was received on 08 Nov 2013, accepted on 12 Mar 2014 and first published on 12 Mar 2014


Article type: Paper
DOI: 10.1039/C3RA46515B
Citation: RSC Adv., 2014,4, 21246-21253
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    Effect of volatile solvent infiltration on optical and electrical characteristics of porous photonic structures

    P. K. Kanaujia, M. C. Bhatnagar and G. V. Prakash, RSC Adv., 2014, 4, 21246
    DOI: 10.1039/C3RA46515B

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