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author:

孙宝珍 (孙宝珍.) [1] | 陈文凯 (陈文凯.) [2] | 徐香兰 (徐香兰.) [3]

Indexed by:

PKU CSCD

Abstract:

采用广义梯度密度泛函理论结合周期平板模型方法,在DNP基组下,研究了NO双分子在三重态和单重态两种电子组态下在Cu2O(111)完整表面的吸附情况.考虑了Cu+(NO)(NO)、Cu+(NO)(ON)及Cu+(ON)(ON)这三种构型,计算了它们的吸附能和Mulliken电荷,分析并预测了吸附后可能产生的物种.结果表明,当两个NO分子都以O端吸附在Cu2O(111)表面时即Cu+(ON)(ON)构型,N—N键长很短,只有124.4pm,吸附的两个NO分子形成了二聚体形式,这种吸附构型有利于进一步离解产生N2或N2O并形成Cu-O表面物种.

Keyword:

Cu2O(111) NO 二聚体 吸附 周期平板模型 密度泛函理论 离解

Community:

  • [ 1 ] 福州大学化学系
  • [ 2 ] 福州大学化学系 福州350002
  • [ 3 ] 福州350002

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Source :

物理化学学报

Year: 2006

Issue: 09

Page: 1126-1131

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:

30 Days PV: 5

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