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运用密度泛函理论研究了NO在CuCr2O4(100)表面4个可能吸附位的顶位吸附.结果表明:表面铜(Cu)和铬(Cr)为活性吸附位,吸附能分别为98.1 kJ·mol-1和92.9 kJ·mol-1.对活性吸附位Cu位和Cr位考虑了NO以N端和O端2种吸附取向的吸附,发现N端吸附比O端吸附更为有利,O端吸附为简单的物理吸附.在2种吸附取向情况下,N-O键的伸缩振动频率都发生了红移.Mulliken布居分析表明,N端吸附时NO分子失去电子;对NO吸附前后的态密度分析可知,对Cu位和Cr位N端吸附NO的2π轨道得到电子.本文并进一步讨论了NO分子在CuCr2O4(100)表面Cu位和Cr位的成键机理.
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无机化学学报
ISSN: 1001-4861
CN: 32-1185/O6
Year: 2007
Issue: 8
Volume: 23
Page: 1375-1381
0 . 5 6 9
JCR@2007
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: 4
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