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Infiltration of ZnO in polymeric photonic crystal by the sol-gel process

DSpace at IIT Bombay

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Title Infiltration of ZnO in polymeric photonic crystal by the sol-gel process
 
Creator NAIR, RV
VIJAYA, R
 
Subject inhibited spontaneous emission
thin-film
opal
band
silica
gap
fabrication
dye
 
Description Three-dimensionally ordered photonic crystals were fabricated using the vertical self-assembly method from colloidal polystyrene spheres of sub-micrometre diameters. Structural and optical characterization results indicate the extent of good ordering present in these samples. The photonic stop band was tuned by infiltrating two important oxide materials, namely, SiO2 and ZnO. Infiltration was done using a low cost room-temperature sol-gel process which does not require any sophisticated instrumentation. The optical measurements clearly demonstrate that the infiltration is significant. The experimentally measured values of wavelength shift and peak reflectance were compared with theoretically estimated values and found to be in good agreement.
 
Publisher IOP PUBLISHING LTD
 
Date 2011-08-03T19:03:15Z
2011-12-26T12:54:21Z
2011-12-27T05:42:05Z
2011-08-03T19:03:15Z
2011-12-26T12:54:21Z
2011-12-27T05:42:05Z
2007
 
Type Article
 
Identifier JOURNAL OF PHYSICS D-APPLIED PHYSICS, 40(4), 990-997
0022-3727
http://dx.doi.org/10.1088/0022-3727/40/4/011
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9125
http://hdl.handle.net/10054/9125
 
Language en