Ramvl scartuing from quinoxaline adsorbed a1 P Ag olcctrodc WJS obsrvcd. Ihc SER spcclrum CXhibitcd remarlrnblc a concentration and potential dependence. and indicated the existence of two types of adsorbed species. They were assigned as flar and end-on specks on the electrode.
Surface-enhanced raman spectra and molecular orientation of phthalazine adsorbed on a silver electrode
โ Scribed by Machiko Takahashi; Masato Fujita; Masatoki Ito
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 483 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0009-2614
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SERS from crystal rlolct (CV) on a Ag clectrodc was mvcslqakd under prcrrsonsncc and resonance condltlons. The ckcll~llon prolilc of the chcmaorbcd spccics is Me that of chsrolvcd mokculcs but mtcnsltirs ZUIL' =I000 tnncs luger. The Raman enhancement IS = IO8 and ckhlblts 3 spcc~lic potcntlal dcpcnd
Surface-enhanced Raman spectra of selenourea on copper and silver electrodes have been obtained. The frequencies of vibratioral modes involving CSe stretch for the free molecule were decreased upon adsorption, lndlcating a reduchon in the C=Sc bond order. We conclude tiat selenourea 1s Se-bonded to