Laser microchemistry

Hiroshi Masuhara

doi:10.1351/pac199264091279

Laser microchemistry

Hiroshi Masuhara^*

^*Corresponding author for this work

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A new chemistry in μm small volumes is being opened by utilizing laser and related microfabrication techniques. Reaction microfields were prepared by laser ablation, scanning tunneling electrochemical microscope, and area-selective chemical vapor deposition. Utilizing optical pressure of lasers, microparticles such as microcapsules, liquid droplets, polymer latex particles, and so on can be manipulated, and photochemistry and spectroscopy of a single trapped particle is made possible. Fluorescence characterization of a microcapsule, lasing of a polymer latex particle, laser preparation of a polymer gel particle, photochemical construction of microstructure from particles were demonstrated. Photochemical dynamics in μm dimension is discussed for liquid droplet and liquid layer near the solid wall. To demonstrate a high potential of laser microchemistry, some trials for constructing a microchemical system are described.

Original language	English
Pages (from-to)	1279-1284
Number of pages	6
Journal	Pure and Applied Chemistry
Volume	64
Issue number	9
DOIs	https://doi.org/10.1351/pac199264091279
State	Published - 1 Jan 1992

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AB - A new chemistry in μm small volumes is being opened by utilizing laser and related microfabrication techniques. Reaction microfields were prepared by laser ablation, scanning tunneling electrochemical microscope, and area-selective chemical vapor deposition. Utilizing optical pressure of lasers, microparticles such as microcapsules, liquid droplets, polymer latex particles, and so on can be manipulated, and photochemistry and spectroscopy of a single trapped particle is made possible. Fluorescence characterization of a microcapsule, lasing of a polymer latex particle, laser preparation of a polymer gel particle, photochemical construction of microstructure from particles were demonstrated. Photochemical dynamics in μm dimension is discussed for liquid droplet and liquid layer near the solid wall. To demonstrate a high potential of laser microchemistry, some trials for constructing a microchemical system are described.

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