Optical patterning of individual organic/inorganic nanoparticles in solution at ambient temperature

Syoji Ito; Hiroyuki Yoshikawa; Hiroshi M. Masuhara

doi:10.1117/12.478571

17 October 2003 Optical patterning of individual organic/inorganic nanoparticles in solution at ambient temperature

Syoji Ito, Hiroyuki Yoshikawa, Hiroshi M. Masuhara

Proceedings Volume 4977, Photon Processing in Microelectronics and Photonics II; (2003) https://doi.org/10.1117/12.478571
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

Laser manipulation technique was applied to patterning of single nanoparticles onto a substrate one by one in solution at room temperature. Individual polymer nanoparticles were optically manipulated to the surface of glass substrate in ethylene glycol solution of acrylamide, N,N'-methylenebis(acrylamide), and commercial radical photoinitiator. An ultra violet (UV) laser beam was focused to the nanoparticle, which led to generation of sub-μm sized acrylamide gel around the particle. The polymer nanoparticles were incorporated into the polymerized gel and fixed onto the substrate. A single gold nanoparticle was optically trapped and moved to the surface of the glass substrate in ethylene glycol. Additional irradiation of the UV laser light induced transient melting of the particle, resulting in its adhesion to the substrate. By the use of the present methods, arrangement of individual polymer and gold nanoparticles on any pattern was achieved.

Citation Download Citation

Syoji Ito, Hiroyuki Yoshikawa, and Hiroshi M. Masuhara "Optical patterning of individual organic/inorganic nanoparticles in solution at ambient temperature", Proc. SPIE 4977, Photon Processing in Microelectronics and Photonics II, (17 October 2003); https://doi.org/10.1117/12.478571

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