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author:

杨亚丽 (杨亚丽.) [1] | 陆春海 (陆春海.) [2] | 黄娟 (黄娟.) [3] | 李奕 (李奕.) [4] | 陈文凯 (陈文凯.) [5]

Indexed by:

PKU CSCD

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.

Keyword:

二氧化锆 吸附 密度泛函理论 解离

Community:

  • [ 1 ] 福州大学化学系
  • [ 2 ] 中国工程物理研究院
  • [ 3 ] 新干县第二中学

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Source :

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

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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