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Enhanced photorefractive performance of polymeric composites through surface plasmon effects of gold nanoparticles

Title
Enhanced photorefractive performance of polymeric composites through surface plasmon effects of gold nanoparticles
Author
김낙중
Keywords
PHOTOCONDUCTIVITY; GRATINGS; DISPLAY; RANGE
Issue Date
2014-08
Publisher
OPTICAL SOC AMER
Citation
OPTICS LETTERS, 2014, 39(15) , p.4571-4574
Abstract
We investigated the photorefractivity enhancement of polymeric composites by introducing gold nanoparticles (NPs). The gold NPs enhance the photocharge generation rate of sensitizers through plasmon resonance coupling achieved between NPs and sensitizers. Systematic studies show that the presence of gold NPs has increased photocharge generation efficiency, photoconductivity, diffraction efficiency, refractive index modulation, and photorefractive (PR) grating formation rate. The gold-NP-doped PR sample exhibits 2 times larger photocharge generation efficiency and photoconductivity, and 2.5 times faster PR grating formation rate compared to the control sample without the NPs. (C) 2014 Optical Society of America
URI
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-39-15-4571http://hdl.handle.net/20.500.11754/47559
ISSN
0146-9592; 1539-4794
DOI
10.1364/OL.39.004571
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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