Near-Infrared Surface-Enhanced Raman Spectroscopy. Part II: Copper and Gold Colloids-Reference-Cited by-同舟云学术

Near-Infrared Surface-Enhanced Raman Spectroscopy. Part II: Copper and Gold Colloids

Published:1989-03 Issue:3 Volume:43 Page:367-372
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Angel S. M.¹,Katz L. F.¹,Archibald D. D.¹,Honigs D. E.¹

Affiliation:

1. Environmental Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550 (S.M.A., L.F.K.); and Department of Chemistry BG-10, University of Washington, Seattle, Washington 98195 (D.D.A., D.E.H.)

Abstract

Near-infrared (NIR) surface-enhanced Raman spectra (SERS) on copper and gold metal colloids were obtained with a Fourier transform Raman spectrometer using a Nd:YAG laser (1.064 μm) for excitation. Enhanced spectra were observed for pyridine and 3-chloropyridine (CP) on copper colloids and for tris(orthophenanthroline)ruthenium(II), Ru(o-phen)32+, on copper and gold colloids. The copper-colloid surface-enhanced Raman spectra of pyridine and CP were compared with spectra measured for these molecules on copper electrodes. NIR-SERS enhancements on the metal colloids were at least as large as for visible-wavelength excited SERS. Good-quality spectra of Ru(o-phen)32+ were obtained at solution concentrations as low as 0.025 mM.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702894202940

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