<P>This study demonstrates the low temperature synthesis of<I>α</I>-Al2O3by solvothermal method using gibbsite alumina precursor in 1, 4-butanediol solvent according to various pH conditions. In acidic solution, an orthorhombic boeh...
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https://www.riss.kr/link?id=A107684716
2012
-
SCOPUS
학술저널
1-7(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>This study demonstrates the low temperature synthesis of<I>α</I>-Al2O3by solvothermal method using gibbsite alumina precursor in 1, 4-butanediol solvent according to various pH conditions. In acidic solution, an orthorhombic boeh...
<P>This study demonstrates the low temperature synthesis of<I>α</I>-Al2O3by solvothermal method using gibbsite alumina precursor in 1, 4-butanediol solvent according to various pH conditions. In acidic solution, an orthorhombic boehmite (AlOOH) structure was obtained after solvothermal reaction. A significant result in this study was that the solvothermally synthesized alumina inpH=9at 300 °C for 36 h represented a rhombohedral<I>α</I>-Al2O3structure hexagonal shaped with about 1.5<I>~</I>2.0 <I>μ</I>m of particle size. Otherwise, the<I>α</I>-Al2O3structure was rather changed to the mixture of a boehmite and<I>α</I>-Al2O3structures abovepH=11. In the case of<I>α</I>-Al2O3synthesized atpH=9, the specific surface area was 26.18 m<SUP>2</SUP>/g, and the particles that were stable in acidic solution resulted in 61.80 mV of zeta potential.</P>
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