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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.
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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
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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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