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author:

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

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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124.4 pm,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 ] [孙宝珍]福州大学
  • [ 2 ] [陈文凯]福州大学
  • [ 3 ] [徐香兰]福州大学

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Source :

物理化学学报

ISSN: 1000-6818

CN: 11-1892/O6

Year: 2006

Issue: 9

Volume: 22

Page: 1126-1131

0 . 5 6 1

JCR@2006

1 0 . 8 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:4

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: 6

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