Fabrication of ZnO incorporated TMA-A zeolite nanocrystals (ZnO를 담지한 TMA-A 제올라이트 나노결정의 제조)

이석주; Kim Ik-Jin (김익진); Chang Sung Lim (임창성)

Fabrication of ZnO incorporated TMA-A zeolite nanocrystals

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2007, 17(6), pp.238~244
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

이석주 ¹, Kim Ik-Jin ¹, Chang Sung Lim ¹

¹한서대학교

Accredited

ABSTRACT

Nano-sized ZnO crystals were successfully incorporated using ion exchange method in TMA-A zeolite synthesizedby the hydrothermal method. The optimal composition for the synthesis of TMA-A zeolite was resulted in a solution ofAl(i-pro)3 : 2.2 TEOS : 2.4 TMAOH : 0.3 NaOH : 200 H2O. 0.3 g of TMA-A zeolite and 5 mol of ZnCl2 solution were em-from the process of mixing, stirring, centrifugal separation and drying, were calcined at temperatures from 400 to 60oCfor 3 h. The crystalization proces of ZnO incorporated TMA-A zeolite was analyzed by X-ray diffraction (XRD). TheBrunaur-Emett-Teller (BET) surface area of the ZnO incorporated TMA-A zeolite was measured. Subsequently, the morphologyand the particle size depending on the temperature and time were observed using scanning electron microscopy(SEM),transmission electron microscopy(TEM) and particle size analyzer.Key words ZnO, TMA-A zeolite, Nanocrystal, Incorporation, Hydrothermal, Ion exchangeZnO. ... TMA-A ..... ..... ....... ...†.. ........ ...... , .. , 356-706(2007. 10. 9. .. )(2007. 12. 10. .... )

KEYWORDS

ZnO, TMA-A zeolite, Nanocrystal, Incorporation, Hydrothermal, Ion exchange

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