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Song, Hyun-Kon
eclat: ElectroChemistry Lab of Advanced Technology
Research Interests
  • Electrochemical analysis, electroactive materials, electrochemistry-based energy devices

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Organic-skinned inorganic nanoparticles: surface-confined polymerization of 6-(3-thienyl) hexanoic acid bound to nanocrystalline TiO2

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Title
Organic-skinned inorganic nanoparticles: surface-confined polymerization of 6-(3-thienyl) hexanoic acid bound to nanocrystalline TiO2
Author
Saji, Viswanathan S.Jo, YimhyunMoon, Hoi RiJun, YongseokSong, Hyun-Kon
Issue Date
2011-09
Publisher
SPRINGER
Citation
NANOSCALE RESEARCH LETTERS, v.6, pp.1 - 5
Abstract
There are many practical difficulties in direct adsorption of polymers onto nanocrystalline inorganic oxide surface such as Al2O3 and TiO2 mainly due to the insolubility of polymers in solvents or polymer agglomeration during adsorption process. As an alternative approach to the direct polymer adsorption, we propose surface-bound polymerization of pre-adsorbed monomers. 6-(3-Thienyl) hexanoic acid (THA) was used as a monomer for poly[3-(5-carboxypentyl) thiophene-2,5-diyl] (PTHA). PTHA-coated nanocrystalline TiO2/FTO glass electrodes were prepared by immersing THA-adsorbed electrodes in FeCl3 oxidant solution. Characterization by ultraviolet/visible/infrared spectroscopy and thermal analysis showed that the monolayer of regiorandom-structured PTHA was successfully formed from intermolecular bonding between neighbored THA surface-bound to TiO2. The anchoring functional groups (-COOH) of the surface-crawling PTHA were completely utilized for strong bonding to the surface of TiO2.
URI
https://scholarworks.unist.ac.kr/handle/201301/2744
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84856035781
DOI
10.1186/1556-276X-6-521
ISSN
1556-276X
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CHM_Journal Papers
ECHE_Journal Papers
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