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Adsorption of ethanediamine on colloidal silver: A surface-enhanced raman spectroscopy study combined with density functional theory calculations
Hu, Gengshen; Feng, Zhaochi; Li, Jun; Jia, Guoqing; Han, Difei; Liu, Zhimin; Li, Can; Li C(李灿); Li C(李灿)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2007-08-02
DOI10.1021/jp071066k
111期:30页:11267-11274
收录类别SCI
文章类型Article
部门归属5
项目归属503
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]ASYMMETRIC TRANSFER HYDROGENATION ; AB-INITIO ; AROMATIC KETONES ; VIBRATIONAL FREQUENCIES ; CONFORMATIONAL-ANALYSIS ; DISTANCE DEPENDENCE ; METAL COLLOIDS ; SCATTERING ; COMPLEXES ; SERS
英文摘要The adsorption of ethanediamine on the colloidal silver surface has been studied by means of surface-enhanced Raman spectroscopy ( SERS) combined with density functional theory ( DFT) calculations. It is deduced from the SERS results that ethanediamine adsorbs on colloidal silver via its two N atoms. The calculation results suggest that the two N atoms of ethanediamine are bound to the same silver atom rather than different silver sites and ethanediamine prefers to absorb on the positively charged sites. Charge transfer between ethanediamine and the silver surface was probed by using SCN(-) as the probe molecule. The C equivalent to N stretching mode of SCN(-)adsorbed on a silver surface shifts from 2133 down to 2120 cm(-1) in the presence of ethanediamine, indicating that the charge transfer is from ethanediamine to the silver surface, which is further confirmed by DFT calculations. The ethanediamine adsorption mechanism on silver may shed light on the asymmetric catalysis involving 1,2-diamine ligands coordinated on transition metals.
语种英语
原文出处查看原文
WOS记录号WOS:000248316000019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99681
专题中国科学院大连化学物理研究所
通讯作者Li C(李灿); Li C(李灿)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Hu, Gengshen,Feng, Zhaochi,Li, Jun,et al. Adsorption of ethanediamine on colloidal silver: A surface-enhanced raman spectroscopy study combined with density functional theory calculations[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2007,111(30):11267-11274.
APA Hu, Gengshen.,Feng, Zhaochi.,Li, Jun.,Jia, Guoqing.,Han, Difei.,...&李灿.(2007).Adsorption of ethanediamine on colloidal silver: A surface-enhanced raman spectroscopy study combined with density functional theory calculations.JOURNAL OF PHYSICAL CHEMISTRY C,111(30),11267-11274.
MLA Hu, Gengshen,et al."Adsorption of ethanediamine on colloidal silver: A surface-enhanced raman spectroscopy study combined with density functional theory calculations".JOURNAL OF PHYSICAL CHEMISTRY C 111.30(2007):11267-11274.
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