Laser Manipulation and Assembling of Polymer Latex Particles in Solution

Hiroaki Misawa, Keiji Sasaki, Masanori Koshioka, Noboru Kitamura, Hiroshi Masuhara*

*Corresponding author for this work

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

Three-dimensional laser manipulation of polymer latex particles in solution was demonstrated. Polymer latex particles with a diameter of several microns were spatially aligned in arbitrary patterns (letters and geometrical figures) by repetitively scanning a focused laser beam (1064 nm) under an optical microscope. Irradiation of nanosecond or picosecond 355-nm laser pulses on individual laser-trapped polymer particles in a sample solution containing polymerizable vinyl monomers and a photoinitiator brought about permanent fixation of the particles in three-dimensional structures. Possible roles of the laser trapping/manipulation techniques in studying the chemistry and physics of polymeric microparticles are also discussed.

Original languageEnglish
Pages (from-to)282-286
Number of pages5
JournalMacromolecules
Volume26
Issue number2
DOIs
StatePublished - 1 Jan 1993

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