Detection of HO2 radicals in the photocatalytic oxidation of methyl ethyl ketone

作者:Thiebaud Jerome; Parker Alexander; Fittschen Christa*; Vincent Guillaume; Zahraa Orfan; Marquaire Paul Marie
来源:Journal of Physical Chemistry C, 2008, 112(7): 2239-2243.
DOI:10.1021/jp711388k

摘要

The possibility Of HO2 formation and its diffusion into the gas phase during the photocatalytic degradation of methy ethyl ketone (MEK) on TiO2 has been studied using the very sensitive and selective detection method of continuous wave cavity ring down spectroscopy (cw-CRDS), coupled to a continuous photolysis reactor. No HO2 radicals could be detected, given a detection limit of 3.2 x 10(9) cm(-3).

  • 出版日期2008-2-21