Resonance Raman and surface- and tip-enhanced Raman spectroscopy methods to study solid catalysts and heterogeneous catalytic reactions

Hacksung Kim, Kathryn M. Kosuda, Richard P. Van Duyne, Peter C Stair

Research output: Contribution to journalArticle

181 Citations (Scopus)

Abstract

Resonance Raman (RR) spectroscopy has several advantages over the normal Raman spectroscopy (RS) widely used for in situ characterization of solid catalysts and catalytic reactions. Compared with RS, RR can provide much higher sensitivity and selectivity in detecting catalytically-significant surface metal oxides. RR can potentially give useful information on the nature of excited states relevant to photocatalysis and on the anharmonic potential of the ground state. In this critical review a detailed discussion is presented on several types of RR experimental systems, three distinct sources of so-called Raman (fluorescence) background, detection limits for RR compared to other techniques (EXAFS, PM-IRAS, SFG), and three well-known methods to assign UV-vis absorption bands and a band-specific unified method that is derived mainly from RR results. In addition, the virtues and challenges of surface-enhanced Raman spectroscopy (SERS) are discussed for detecting molecular adsorbates at catalytically relevant interfaces. Tip-enhanced Raman spectroscopy (TERS), which is a combination of SERS and near-field scanning probe microscopy and has the capability of probing molecular adsorbates at specific catalytic sites with an enormous surface sensitivity and nanometre spatial resolution, is also reviewed (300 references).

Original languageEnglish
Pages (from-to)4820-4844
Number of pages25
JournalChemical Society Reviews
Volume39
Issue number12
DOIs
Publication statusPublished - Dec 2010

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Raman spectroscopy
Catalysts
Adsorbates
Scanning probe microscopy
Photocatalysis
Excited states
Oxides
Ground state
Absorption spectra
Metals
Fluorescence

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Resonance Raman and surface- and tip-enhanced Raman spectroscopy methods to study solid catalysts and heterogeneous catalytic reactions. / Kim, Hacksung; Kosuda, Kathryn M.; Van Duyne, Richard P.; Stair, Peter C.

In: Chemical Society Reviews, Vol. 39, No. 12, 12.2010, p. 4820-4844.

Research output: Contribution to journalArticle

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