Spatio-selective surface modification of glass assisted by laser-induced deposition of gold nanoparticles

Hironobu Takahashi; Yasuro Niidome; Hideyuki Hisanabe; Keita Kuroiwa; Nobuo Kimizuka; Sunao Yamada

doi:10.1016/j.tsf.2006.05.030

Spatio-selective surface modification of glass assisted by laser-induced deposition of gold nanoparticles

Hironobu Takahashi, Yasuro Niidome, Hideyuki Hisanabe, Keita Kuroiwa, Nobuo Kimizuka, Sunao Yamada

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

Abstract

Using pulsed laser irradiation (532 nm), dodecanethiol-capped gold nanoparticles (DT-Au) were deposited on the laser-irradiated region of a hydrophobic glass substrate modified with dimethyloctadecylchlorosilane (DMOS). After removal of deposited DT-Au, the laser-deposited region on the substrate was hydrophilic, as verified by static water contact angles. X-ray photoelectron spectroscopy suggested that the naked glass surface was not exposed at the hydrophilic region. Immersion of the substrate into gold nanorod (NR) solution selectively immobilized NRs on the hydrophilic surface via electrostatic interactions, indicating that the hydrophilic region was an anionic surface. From these results, it is expected that some immobilized DMOS groups on the laser-irradiated region of the substrate were oxidized during DT-Au deposition and fragmentation of the deposited DT-Au.

Original language	English
Pages (from-to)	1618-1622
Number of pages	5
Journal	Thin Solid Films
Volume	515
Issue number	4
DOIs	https://doi.org/10.1016/j.tsf.2006.05.030
Publication status	Published - Dec 5 2006

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Spatio-selective surface modification of glass assisted by laser-induced deposition of gold nanoparticles",

abstract = "Using pulsed laser irradiation (532 nm), dodecanethiol-capped gold nanoparticles (DT-Au) were deposited on the laser-irradiated region of a hydrophobic glass substrate modified with dimethyloctadecylchlorosilane (DMOS). After removal of deposited DT-Au, the laser-deposited region on the substrate was hydrophilic, as verified by static water contact angles. X-ray photoelectron spectroscopy suggested that the naked glass surface was not exposed at the hydrophilic region. Immersion of the substrate into gold nanorod (NR) solution selectively immobilized NRs on the hydrophilic surface via electrostatic interactions, indicating that the hydrophilic region was an anionic surface. From these results, it is expected that some immobilized DMOS groups on the laser-irradiated region of the substrate were oxidized during DT-Au deposition and fragmentation of the deposited DT-Au.",

author = "Hironobu Takahashi and Yasuro Niidome and Hideyuki Hisanabe and Keita Kuroiwa and Nobuo Kimizuka and Sunao Yamada",

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T1 - Spatio-selective surface modification of glass assisted by laser-induced deposition of gold nanoparticles

AU - Takahashi, Hironobu

AU - Niidome, Yasuro

AU - Hisanabe, Hideyuki

AU - Kuroiwa, Keita

AU - Kimizuka, Nobuo

AU - Yamada, Sunao

PY - 2006/12/5

Y1 - 2006/12/5

N2 - Using pulsed laser irradiation (532 nm), dodecanethiol-capped gold nanoparticles (DT-Au) were deposited on the laser-irradiated region of a hydrophobic glass substrate modified with dimethyloctadecylchlorosilane (DMOS). After removal of deposited DT-Au, the laser-deposited region on the substrate was hydrophilic, as verified by static water contact angles. X-ray photoelectron spectroscopy suggested that the naked glass surface was not exposed at the hydrophilic region. Immersion of the substrate into gold nanorod (NR) solution selectively immobilized NRs on the hydrophilic surface via electrostatic interactions, indicating that the hydrophilic region was an anionic surface. From these results, it is expected that some immobilized DMOS groups on the laser-irradiated region of the substrate were oxidized during DT-Au deposition and fragmentation of the deposited DT-Au.

AB - Using pulsed laser irradiation (532 nm), dodecanethiol-capped gold nanoparticles (DT-Au) were deposited on the laser-irradiated region of a hydrophobic glass substrate modified with dimethyloctadecylchlorosilane (DMOS). After removal of deposited DT-Au, the laser-deposited region on the substrate was hydrophilic, as verified by static water contact angles. X-ray photoelectron spectroscopy suggested that the naked glass surface was not exposed at the hydrophilic region. Immersion of the substrate into gold nanorod (NR) solution selectively immobilized NRs on the hydrophilic surface via electrostatic interactions, indicating that the hydrophilic region was an anionic surface. From these results, it is expected that some immobilized DMOS groups on the laser-irradiated region of the substrate were oxidized during DT-Au deposition and fragmentation of the deposited DT-Au.

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