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Author

Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

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Self-Assembly of Supramolecualr Metallogelator Containing 2-(2 '-Hydroxyphenyl) benzoxazole/Zn(II) Chelate

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Title
Self-Assembly of Supramolecualr Metallogelator Containing 2-(2 '-Hydroxyphenyl) benzoxazole/Zn(II) Chelate
Author
Kim, Tae HyeonKwon, Na YoungSon, Ji HyeYang, ChangdukLee, MinjungLee, Taek Seung
Keywords
Benzoxazole;  Cooling methods;  Long alkyl chains;  Metallogel;  Opaque gels;  Organo-gelator;  Organogels;  Room temperature;  Self assembled structures;  Self-assembled;  Sheet-like structure;  SEM;  Transmission electron microscope
Issue Date
201010
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.10, no.10, pp.6929 - 6933
Abstract
A low molar mass organogelator 1 containing 2-(2'-hydroxyphenyl)benzoxazole (HPB) unit with long alkyl chain was synthesized by the reaction with HPB and octyl isocyanate in THF at room temperature. A new chelate-based organogelator 1-Zn(ll) was prepared with the reaction of 1 and zinc(ll) acetate in methanol and dichloromethane at mild condition. The gelation ability of organogelator was tested by heating-cooling method in various organic solvents, and the opaque gel was formed from DMF. Well-developed self-assembled structure of organogel was confirmed with field emissionscanning electron microscope (FE-SEM) and transmission electron microscope (TEM), and the optical properties of organogel upon aggregation were monitored by UV-Vis and fluorescence spectroscopy. 1-Zn(ll) was self-assembled to the sheet-like structure with the thickness of fully extended length of molecules.
URI
http://scholarworks.unist.ac.kr/handle/201301/3953
DOI
http://dx.doi.org/10.1166/jnn.2010.2972
ISSN
1533-4880
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