Influence of polyethyleneimine addition on crystal size distribution of Au nanocrystals

T. Mikami; Y. Takayasu; J. Watanabe; I. Hirasawa

doi:10.1002/ceat.201000495

Influence of polyethyleneimine addition on crystal size distribution of Au nanocrystals

T. Mikami^*, Y. Takayasu, J. Watanabe, I. Hirasawa

^*Corresponding author for this work

School of Advanced Science and Engineering

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

18 Citations (Scopus)

Abstract

The influence of polyethyleneimine (PEI) addition on the crystal size distribution (CSD) of Au was investigated. PEI is a water-soluble cationic polyelectrolyte acting as a reducer of AuCl₄^- and a stabilizer of precipitated Au nanocrystals. The CSD can be controlled by the PEI dosage, and an increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals. The idea of PEI-assisted reductive crystallization of Au may be helpful in the production of nanometals by using a simple batch crystallizer. Au nanocrystals with narrow CSD were precipitated via a polyethyleneimine (PEI)-assisted reductive crystallization process and the influence of PEI addition on the crystal size distribution of Au was investigated. An increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals.

Original language	English
Pages (from-to)	583-586
Number of pages	4
Journal	Chemical Engineering and Technology
Volume	34
Issue number	4
DOIs	https://doi.org/10.1002/ceat.201000495
Publication status	Published - 2011 Apr

Keywords

Nanoparticles
Polyelectrolyte additive
Reactive crystallization

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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10.1002/ceat.201000495

Cite this

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abstract = "The influence of polyethyleneimine (PEI) addition on the crystal size distribution (CSD) of Au was investigated. PEI is a water-soluble cationic polyelectrolyte acting as a reducer of AuCl4- and a stabilizer of precipitated Au nanocrystals. The CSD can be controlled by the PEI dosage, and an increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals. The idea of PEI-assisted reductive crystallization of Au may be helpful in the production of nanometals by using a simple batch crystallizer. Au nanocrystals with narrow CSD were precipitated via a polyethyleneimine (PEI)-assisted reductive crystallization process and the influence of PEI addition on the crystal size distribution of Au was investigated. An increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals.",

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T1 - Influence of polyethyleneimine addition on crystal size distribution of Au nanocrystals

AU - Mikami, T.

AU - Takayasu, Y.

AU - Watanabe, J.

AU - Hirasawa, I.

PY - 2011/4

Y1 - 2011/4

N2 - The influence of polyethyleneimine (PEI) addition on the crystal size distribution (CSD) of Au was investigated. PEI is a water-soluble cationic polyelectrolyte acting as a reducer of AuCl4- and a stabilizer of precipitated Au nanocrystals. The CSD can be controlled by the PEI dosage, and an increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals. The idea of PEI-assisted reductive crystallization of Au may be helpful in the production of nanometals by using a simple batch crystallizer. Au nanocrystals with narrow CSD were precipitated via a polyethyleneimine (PEI)-assisted reductive crystallization process and the influence of PEI addition on the crystal size distribution of Au was investigated. An increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals.

AB - The influence of polyethyleneimine (PEI) addition on the crystal size distribution (CSD) of Au was investigated. PEI is a water-soluble cationic polyelectrolyte acting as a reducer of AuCl4- and a stabilizer of precipitated Au nanocrystals. The CSD can be controlled by the PEI dosage, and an increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals. The idea of PEI-assisted reductive crystallization of Au may be helpful in the production of nanometals by using a simple batch crystallizer. Au nanocrystals with narrow CSD were precipitated via a polyethyleneimine (PEI)-assisted reductive crystallization process and the influence of PEI addition on the crystal size distribution of Au was investigated. An increase in PEI dosage decreased both the size and the size distribution width of the obtained Au nanocrystals.

KW - Nanoparticles

KW - Polyelectrolyte additive

KW - Reactive crystallization

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Influence of polyethyleneimine addition on crystal size distribution of Au nanocrystals

Abstract

Keywords

ASJC Scopus subject areas

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