Preparation of hollow mesoporous silica spheres with immobilized silicomolybdic acid and their catalytic activity for the hydrolytic dehydrogenation of ammonia borane
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- 作者：Tetsuo Umegaki ; umegaki.tetsuo@nihon-u.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Mai Hoshino ; Yasuhiro Watanuki ; Yoshiyuki Kojima
- 关键词：Silicomolybdic acid ; Mesoporous hollow spheres of silica ; Cetyl trimethyl ammonium bromide ; Hydrolytic dehydrogenation ; Ammonia borane
- 刊名：Microporous and Mesoporous Materials
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：223
- 期：Complete
- 页码：152-156
- 全文大小：768 K
文摘
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We investigated immobilization of silicomolybdic acid on hollow mesoporous silica.
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Changing pH of the reaction mixtures changed the amount of immobilized silicomolybdic acid.
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Hydrogen evolution was dependent on pH of solutions used during their preparation.
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Valence of Mo species did not change significantly in the sample prepared at low pH.