Ultrafast dynamics at solid/liquid interfaces as investigated by
photothermal spectroscopy*
Tsuguo Sawada
Graduate School of Frontier Sciences, The University
of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656 Japan
Abstract: Among the recent topics of photothermal (PT) applications
of lasers, we focus on ultrafast (<=1.0 ns) photothermal/photoacoustic
(PT/PA) phenomena occurring at interfaces, which play important roles
in nanoscale materials science and technology. Here, we describe our
recently developed novel PT techniques called transient reflecting grating
(TRG) spectrometries. These techniques have been applied to the studies
of solid surfaces, film substrates, and solid/liquid interfaces.
*Lecture presented at the IUPAC International Congress
on Analytical Sciences 2001 (ICAS2001), Tokyo, Japan, 6-10 August 2001.
Other presentations are published in this issue,
pp. 1555-1623.
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