Well-size-controlled colloidal gold nanoparticles dispersed in organic solvents

Gen Tsutsui; Shujuan Huang; Hiroyuki Sakaue; Shoso Shingubara; Takayuki Takahagi

doi:10.1143/JJAP.40.346

Well-size-controlled colloidal gold nanoparticles dispersed in organic solvents

Gen Tsutsui, Shujuan Huang, Hiroyuki Sakaue, Shoso Shingubara, Takayuki Takahagi

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

56 Citations (Scopus)

Abstract

The preparation of well-size-controlled colloidal gold nanoparticles in organic solvent is presented. After the preparation of well-size-controlled aqueous colloidal gold particles, we changed the solvent to an organic one. This technique is required to enable a chemical reaction between gold particles and hydrophobic molecules, since a colloidal gold solution is typically prepared in water using a reduction process. We also investigated the stability of the gold particle suspension, and found that the stability decreases in the sequence of water, ethanol, chloroform, and benzene solution.

Original language	English
Pages (from-to)	346-349
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	40
Issue number	Part 1, No. 1
DOIs	https://doi.org/10.1143/JJAP.40.346
Publication status	Published - Jan 2001
Externally published	Yes

Keywords

well-size-controlled
colloidal gold particles
organic solvent
reduction
centrifugal force
ionic double layer

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10.1143/JJAP.40.346

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AU - Sakaue, Hiroyuki

AU - Shingubara, Shoso

AU - Takahagi, Takayuki

PY - 2001/1

Y1 - 2001/1

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AB - The preparation of well-size-controlled colloidal gold nanoparticles in organic solvent is presented. After the preparation of well-size-controlled aqueous colloidal gold particles, we changed the solvent to an organic one. This technique is required to enable a chemical reaction between gold particles and hydrophobic molecules, since a colloidal gold solution is typically prepared in water using a reduction process. We also investigated the stability of the gold particle suspension, and found that the stability decreases in the sequence of water, ethanol, chloroform, and benzene solution.

KW - well-size-controlled

KW - colloidal gold particles

KW - organic solvent

KW - reduction

KW - centrifugal force

KW - ionic double layer

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JF - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

IS - Part 1, No. 1

ER -

Well-size-controlled colloidal gold nanoparticles dispersed in organic solvents

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Keywords

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