Optical patterning and photochemical fixation of polymer nanoparticles on glass substrates

Syoji Ito; Hiroyuki Yoshikawa; Hiroshi Masuhara

doi:10.1063/1.1366646

Optical patterning and photochemical fixation of polymer nanoparticles on glass substrates

Syoji Ito, Hiroyuki Yoshikawa, Hiroshi Masuhara^*

^*Corresponding author for this work

Department of Applied Chemistry

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

55 Scopus citations

Abstract

A method for fixing patterned nanoparticles onto a substrate was developed by combining photopolymerization with a laser manipulation technique. Nanoparticles were dispersed in ethylene glycol containing monomer, crosslinker, and photoinitiator, and gathered at the focal point of a trapping laser beam (1064 nm) just on a glass substrate. Local photopolymerization within and around the nanoparticles assembly was induced by additional irradiation of a pulsed-laser beam (355 nm), resulting in generation of polyacrylamide containing nanoparticles. The polymerized assembly was evaluated by atomic force microscope observation. By scanning both trapping and excitation laser beams, patterned nanoparticles could also be fixed on a glass substrate.

Original language	English
Pages (from-to)	2566-2568
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	17
DOIs	https://doi.org/10.1063/1.1366646
State	Published - 23 Apr 2001

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abstract = "A method for fixing patterned nanoparticles onto a substrate was developed by combining photopolymerization with a laser manipulation technique. Nanoparticles were dispersed in ethylene glycol containing monomer, crosslinker, and photoinitiator, and gathered at the focal point of a trapping laser beam (1064 nm) just on a glass substrate. Local photopolymerization within and around the nanoparticles assembly was induced by additional irradiation of a pulsed-laser beam (355 nm), resulting in generation of polyacrylamide containing nanoparticles. The polymerized assembly was evaluated by atomic force microscope observation. By scanning both trapping and excitation laser beams, patterned nanoparticles could also be fixed on a glass substrate.",

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