High-yield synthesis of PVP-stabilized small Pt clusters by microfluidic method

M. Jakir Hossain; Hironori Tsunoyama; Miho Yamauchi; Nobuyuki Ichikuni; Tatsuya Tsukuda

doi:10.1016/j.cattod.2011.10.008

High-yield synthesis of PVP-stabilized small Pt clusters by microfluidic method

M. Jakir Hossain, Hironori Tsunoyama, Miho Yamauchi, Nobuyuki Ichikuni, Tatsuya Tsukuda

研究成果: Article › 査読

36 被引用数 (Scopus)

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Monodisperse PVP-stabilized Pt nanoparticles (PtNPs) with an average diameter of 1.4 ± 0.3 nm were efficiently produced via the complete reduction of Pt ⁴⁺ ions by BH ₄ ^- in a micromixer. Because of microfluidic mixing, hydrolytic decomposition of BH ₄ ^- by the PtNPs formed in the initial stage of the reaction was suppressed, and hence, the PtNP yield was higher than that in the conventional batch mixing. The results of various spectroscopic analyses including EXAFS, FTIR of CO and XPS revealed that the microfluidically synthesized PtNPs were negatively charged and had a high population of edges and vertices on their surface.

本文言語	English
ページ（範囲）	101-107
ページ数	7
ジャーナル	Catalysis Today
巻	183
号	1
DOI	https://doi.org/10.1016/j.cattod.2011.10.008
出版ステータス	Published - 2012 3月 20
外部発表	はい

ASJC Scopus subject areas

触媒
化学 (全般)

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10.1016/j.cattod.2011.10.008

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title = "High-yield synthesis of PVP-stabilized small Pt clusters by microfluidic method",

abstract = "Monodisperse PVP-stabilized Pt nanoparticles (PtNPs) with an average diameter of 1.4 ± 0.3 nm were efficiently produced via the complete reduction of Pt 4+ ions by BH 4 - in a micromixer. Because of microfluidic mixing, hydrolytic decomposition of BH 4 - by the PtNPs formed in the initial stage of the reaction was suppressed, and hence, the PtNP yield was higher than that in the conventional batch mixing. The results of various spectroscopic analyses including EXAFS, FTIR of CO and XPS revealed that the microfluidically synthesized PtNPs were negatively charged and had a high population of edges and vertices on their surface.",

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AU - Hossain, M. Jakir

AU - Tsunoyama, Hironori

AU - Yamauchi, Miho

AU - Ichikuni, Nobuyuki

AU - Tsukuda, Tatsuya

PY - 2012/3/20

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N2 - Monodisperse PVP-stabilized Pt nanoparticles (PtNPs) with an average diameter of 1.4 ± 0.3 nm were efficiently produced via the complete reduction of Pt 4+ ions by BH 4 - in a micromixer. Because of microfluidic mixing, hydrolytic decomposition of BH 4 - by the PtNPs formed in the initial stage of the reaction was suppressed, and hence, the PtNP yield was higher than that in the conventional batch mixing. The results of various spectroscopic analyses including EXAFS, FTIR of CO and XPS revealed that the microfluidically synthesized PtNPs were negatively charged and had a high population of edges and vertices on their surface.

AB - Monodisperse PVP-stabilized Pt nanoparticles (PtNPs) with an average diameter of 1.4 ± 0.3 nm were efficiently produced via the complete reduction of Pt 4+ ions by BH 4 - in a micromixer. Because of microfluidic mixing, hydrolytic decomposition of BH 4 - by the PtNPs formed in the initial stage of the reaction was suppressed, and hence, the PtNP yield was higher than that in the conventional batch mixing. The results of various spectroscopic analyses including EXAFS, FTIR of CO and XPS revealed that the microfluidically synthesized PtNPs were negatively charged and had a high population of edges and vertices on their surface.

KW - Aerobic alcohol oxidation

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KW - Reusable catalyst

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High-yield synthesis of PVP-stabilized small Pt clusters by microfluidic method

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