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Enhanced grating formation speed and amplitude of photorefractive device modified with single-walled carbon nanotubes

Title
Enhanced grating formation speed and amplitude of photorefractive device modified with single-walled carbon nanotubes
Author
김낙중
Keywords
single-wall carbon nanotubes (SWCNTs); grating buildup speed; space charge field; photocurrent; POLYMER COMPOSITES; ASSEMBLIES
Issue Date
2013-03
Publisher
SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
Citation
MACROMOLECULAR RESEARCH, 2013, 21(3), p.327-330
Abstract
We report on a fast and efficient polymeric photorefractive (PR) device by using single-walled carbon nanotubes (SWCNTs) on indium-doped tin oxide (ITO) electrodes. In presence of SWCNTs, the magnitudes of photocurrent, space charge field, and refractive index modulation increased 56.9%, 20.3%, and 22.1%, respectively, due to enhanced charge separation and facilitative charge transport. The PR grating buildup speed of PR device with SWCNTs layers was three-and-a-half times faster than that without SWCNTs layers. The SWCNTs with layer structure provided an efficient electron-transfer matrix.
URI
https://link.springer.com/article/10.1007%2Fs13233-013-1117-3http://hdl.handle.net/20.500.11754/49181
ISSN
1598-5032; 2092-7673
DOI
10.1007/s13233-013-1117-3
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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