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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)
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2007-08-02
DOI10.1021/jp071066k
Volume111Issue:30Pages:11267-11274
Indexed BySCI
SubtypeArticle
Department5
Funding Project503
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordASYMMETRIC TRANSFER HYDROGENATION ; AB-INITIO ; AROMATIC KETONES ; VIBRATIONAL FREQUENCIES ; CONFORMATIONAL-ANALYSIS ; DISTANCE DEPENDENCE ; METAL COLLOIDS ; SCATTERING ; COMPLEXES ; SERS
AbstractThe 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.
Language英语
URL查看原文
WOS IDWOS:000248316000019
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/99681
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi C(李灿); Li C(李灿)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
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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