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author:

刘书红 (刘书红.) [1] | 陈文凯 (陈文凯.) [2] | 曹梅娟 (曹梅娟.) [3] | 许莹 (许莹.) [4] | 李俊(竹钱) (李俊(竹钱).) [5]

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Abstract:

采用基于第一性原理的密度泛函理论和周期平板模型相结合的方法,对CH30H分子在Au(111)表面top,fcc,hcp和bridge位的吸附模型进行了构型优化、能量计算以及Mulliken布居分析,结果表明top位是较有利的吸附位.吸附的CH3OH解离产生甲氧基CH3O和H,对它们在Au(111)面的吸附进行的计算表明,bridge和fcc位分别是二者的最件吸附位.对过渡态的计算给出了CH,OH在Au表面解离吸附的可能机理:首先发生O-H键的断裂,继而生成甲氧基中间体.

Keyword:

AU(111)表面 吸附 密度泛函理论 甲醇 过渡态

Community:

  • [ 1 ] 福州大学化学系,福建福州350012

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Source :

催化学报

ISSN: 0253-9837

CN: 21-1601/O6

Year: 2006

Issue: 1

Volume: 27

Page: 55-59

0 . 6 5 9

JCR@2006

1 5 . 7 0 0

JCR@2023

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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