The decomposition of formic acid on Pd(100)

1 July 1990

journal article
Published by American Vacuum Society in Journal of Vacuum Science & Technology A

Vol. 8 (4) , 3357-3360
https://doi.org/10.1116/1.576553

Abstract

We have examined the thermal decomposition of formic acid (HCOOH) adsorbed on a Pd(100) surface using thermal desorption spectroscopy (TDS) and Fourier transform reflection-absorption infrared spectroscopy (FT-RAIRS). The first layer of adsorbed HCOOH starts to decompose at 170 K. The main decomposition products are carbon monoxide, carbon dioxide, and hydrogen. Carbon dioxide desorbs upon formation between 170 and 220 K. We have no experimental evidence for a decomposition intermediate containing more than two atoms.

Keywords

PYROLYSIS
FORMIC ACID
PALLADIUM
SURFACE REACTIONS
THERMAL DESORPTION SPECTROSCOPY
FOURIER TRANSFORM SPECTROSCOPY
INFRARED SPECTRA
TEMPERATURE DEPENDENCE
LOW TEMPERATURE
REACTION INTERMEDIATES
CARBON MONOXIDE
CARBON DIOXIDE
HYDROGEN
HCOOH

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