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Cho, Seungho
Metal Oxide DEsign Laboratory (MODEL)
Research Interests
  • Metal Oxide Crystal Growth


Facile fabrication of two-dimensional inorganic nanostructures and their conjugation to nanocrystals

DC Field Value Language Cho, Seungho ko Jang, Ji-Wook ko Park, Juwon ko Jung, Sungwook ko Jeong, Sanghwa ko Kwag, Jungheon ko Lee, Jae Sung ko Kim, Sungjee ko 2014-04-09T08:28:30Z - 2013-08-27 ko 2013-08 ko
dc.identifier.citation JOURNAL OF MATERIALS CHEMISTRY C, v.1, no.29, pp.4497 - 4504 ko
dc.identifier.issn 2050-7526 ko
dc.identifier.uri -
dc.description.abstract Nanocomposites of two-dimensional (2D) inorganic nanosheets and inorganic nanocrystals are fabricated. Freestanding atomically flat gamma-AlOOH nanosheets (thickness <1 nm) are synthesized from a one-pot hydrothermal reaction. The freestanding and binder-free film composed of the gamma-AlOOH nanosheets is fabricated by sedimentation. Because they have positive zeta potentials in the pH range below ca. 9.3, the gamma-AlOOH nanosheets can function as positively charged 2D inorganic matrices in a broad pH range. By solution phase (pH 7.0) mixing of the gamma-AlOOH nanosheets (zeta potential: 30.7 +/- 0.8 mV) and inorganic nanocrystals with negative surface charge, including Au nanoparticles, Au nanorods, CdSe quantum dots, CdSe/CdS/ZnS quantum dots and CdSe nanorods, the nanocomposites are self-assembled via electrostatic interactions. Negatively charged inorganic nanostructures with a wide range of chemical compositions, shapes, sizes, surface ligands and adsorbates can be used as building blocks for gamma-AlOOH nanocomposites. Adsorption densities of inorganic nanocrystals on the nanocomposites can be controlled by varying concentrations of nanocrystal solutions. Nanocomposite films containing alternating layers of gamma-AlOOH and nanocrystals are obtained by a simple drop casting method. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher ROYAL SOC CHEMISTRY ko
dc.title Facile fabrication of two-dimensional inorganic nanostructures and their conjugation to nanocrystals ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84880112118 ko
dc.identifier.wosid 000321426600012 ko
dc.type.rims ART ko
dc.description.wostc 3 *
dc.description.scopustc 3 * 2015-02-28 * 2014-08-21 *
dc.identifier.doi 10.1039/c3tc30756e ko
dc.identifier.url!divAbstract ko
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