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ONISHI, Hiroshi (Professor)

大西 洋 教授

Specialized Field
Material Physical Chemistry
Research Interests

We are good at imaging individual molecules adsorbed on a solid surface. Chemical reactions of the adsorbed species are resolved in a sequence of microscope images. Surface-specific detection of molecular vibrations is another topic in our laboratory. Intense light pulses from a femto-second laser source are used for this purpose. These experimental techniques are devoted to examine surface reactions on solid catalysts, self-assembled structures of molecular monolayers, and nanometer-scale science and technology at biological interfaces.

Research Subjects
  • Dynamics of individual molecules probed by scanning microscopes, Interface-specific detection of molecular vibrations by laser spectrometers

◆H. Imada et al., Water and 2-Propanol Structured on Calcite (104) Probed by Frequency-Modulation Atomic Force Microscopy, Langmuir, 29, 10744-10751 (2013).

◆K. Furuhashi et al., Time-Resolved Infrared Absorption Study of SrTiO3 Photocatalysts Codoped with Rhodium and Antimony, Journal of Physical Chemistry C, 117, 19101-19106 (2013).

◆T. Nomoto et al., Phonon Mode of TiO2 Coupled With the Electron Transfer From N3 Dye, Journal of Chemical Physics, 138, 224704 (6 pages) (2013).

◆T. Hiasa et al., Hydration of Hydrophilic Thiolate Monolayers Visualized by Atomic Force Microscopy, Physical Chemistry Chemical Physics, 14, 8419-8424 (2012).

◆T. Hiasa et al., Aqueous Solution Structure over α-Al2O3(01-12) Probed by Frequency-Modulation Atomic Force Microscopy, Journal of Physical Chemistry C, 114, 21423?21426 (2010).


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