ADSORBATE VIBRATIONAL SPECTROSCOPY BY IR VISIBLE SUM-FREQUENCY GENERATION USING CLIO-FEL - CO FROM CH3OH ELECTROCHEMICAL DECOMPOSITION ON PT

被引：29

作者：

PEREMANS, A ^{[1
]}

TADJEDDINE, A ^{[1
]}

GUYOTSIONNEST, P ^{[1
]}

PRAZERES, R ^{[1
]}

GLOTIN, F ^{[1
]}

JAROSZYNSKI, D ^{[1
]}

BERSET, JM ^{[1
]}

ORTEGA, JM ^{[1
]}

机构：

[1] UNIV CHICAGO,JAMES FRANCK INST,CHICAGO,IL 60637

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 341卷 / 1-3期

关键词：

D O I：

10.1016/0168-9002(94)90336-0

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The use of infrared-FEL allows adsorbate vibrational spectroscopy by IR-visible sum-frequency generation (SFG) beyond the frequency range accessible by benchtop IR lasers. Therefore, we synchronized a frequency doubled mode-locked YAG laser (532 nm) with the CLIO-FEL, which is tuneable from 2 to 17.5 mum. The feasibility is demonstrated by recording SFG-vibrational spectra near 5-mum of the CO adsorbate at the electrochemical interface Pt/HClO4 Solution containing CH3OH. These spectra indicate the coexistence of linearly and doubly-bounded species. This work is a preliminary step towards adsorbate SFG-vibrational spectroscopy at longer wavelengths.

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页码：146 / 151

页数：6

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