Fabrication of hollow spheres of Co3O4 for catalytic oxidation of carbon monoxide
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- 作者：Tetsuo Umegaki ; umegaki.tetsuo@nihon-u.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Takuya Inoue ; Yoshiyuki Kojima
- 关键词：Hollow spheres ; Co3O4 ; Silica templates ; pH conditions ; Calcination conditions
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：5 April 2016
- 年：2016
- 卷：663
- 期：Complete
- 页码：68-76
- 全文大小：2642 K
文摘
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Hollow Co3O4 spheres for the oxidation of carbon monoxide were fabricated using silica templates.
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Homogenity of the hollow spheres was influenced by pH and calcination conditions.
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Purity of Co3O4 and the amount of surface Co3+ species plays an important role for high activity.
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The hollow spheres are an effective catalyst compared with supported and nanoparticle catalyst.