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Abstract:
采用密度泛函理论探讨了TiO_2表面负载Co_2B_2和Co_2B_2Pt合金簇可能的负载构型.结果表明,Co_2B_2和Co_2B_2Pt合金簇倾向于以两个Co的形式负载在两个氧上.态密度分析发现,负载后,Co_2B_2合金簇中部分Co原子和B原子成键加强,Co_2B_2Pt合金簇中Pt原子和B原子成键也加强,形成新的轨道.CO和O_2在Co_2B_2/TiO_2和Co_2B_2Pt/TiO_2表面吸附的结果表明,Co_2B_2Pt/TiO_2催化氧化CO性能的提高是由于Pt原子提高了Co_2B_2合金簇吸附CO和O_2的能力.
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催化学报
ISSN: 0253-9837
CN: 21-1601/O6
Year: 2009
Issue: 12
Volume: 30
Page: 1209-1214
0 . 7 8 6
JCR@2009
1 5 . 7 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:3
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 3
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