Indexed by:
Abstract:
运用密度泛函理论中广义梯度近似的PW91方法结合周期平板模型,研究了NiFeB_2合金簇在TiO_2(110)面的吸附模式.结果表明,NiFeB_2平行吸附在TiO_2面的O_t-O_t位最稳定,吸附能为526.4kJ/mol.为了探明NiFeB_2/TiO_2是否具有催化氧化CO活性,进一步研究了CO和O_2在NiFeB_2/TiO_2面的共吸附行为.结果表明,CO和O_2以Eley-Rideal机理共吸附在Fe上时,易形成碳酸盐,而以Langmuir-Hinshelwood机理共吸附在Fe上时,O_2发生分解,与Fe,Ni和B形成稳定的六元环.
Keyword:
Reprint 's Address:
Email:
Source :
催化学报
ISSN: 0253-9837
CN: 21-1601/O6
Year: 2010
Issue: 4
Volume: 31
Page: 423-428
0 . 7 5 2
JCR@2010
1 5 . 7 0 0
JCR@2023
JCR Journal Grade:3
Cited Count:
SCOPUS Cited Count: 7
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 3
Affiliated Colleges: