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Abstract:
采用密度泛函理论中的广义梯度近似(GGA)的PW91方法结合周期性平板模型,研究了H2O,OH和O在立方ZrO2(110)面上不同吸附位的吸附.结果表明,在bridge位H2O以垂直底物平面氢原子向上模式吸附在立方ZrO2(110)面时发生解离形成表面羟基,吸附能为150.5 kJ/mol.而在top位H2O以垂直底物平面氢原子向下模式吸附为物理吸附,吸附能为14.8 kJ/mol.OH和O在立方ZrO2(110)面的最佳吸附位是top位,其吸附能分别为241.5和209.1 kJ/mol.同时分析了Mulliken布居、态密度和伸缩振动频率.
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催化学报
ISSN: 0253-9837
CN: 21-1601/O6
Year: 2009
Issue: 04
Volume: 30
Page: 328-334
0 . 7 8 6
JCR@2009
1 5 . 7 0 0
JCR@2023
JCR Journal Grade:3
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WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 4
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