In situ synthesis of gold nanoparticles on zinc oxides preloaded into a cellulosic paper matrix for catalytic applications

Shin Miura, Takuya Kitaoka

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This article describes a facile method for the preparation of cellulosic catalyst paper: the in situ synthesis of gold nanoparticles (AuNPs) on zinc oxide (ZnO) whiskers, the preferential support for AuNPs, preloaded into a paper matrix. The ZnO paper composites were fabricated using a high-speed and low-cost paper-making technique, and immersed in an aqueous solution of HAuCl 4. After drying, fine 5 nm AuNPs were successfully formed on the ZnO whiskers inside the paper matrix. Asprepared AuNPs@ZnO whisker-containing paper (AuNPs@ZnO paper) is similar to ordinary paper products, being flexible, lightweight, and easy to handle. The AuNPs@ZnO paper exhibited a high catalytic efficiency towards the reduction of 4-nitrophenol to 4-aminophenol in aqueous media. Furthermore, the addition of a polyamideamine epichlorohydrin resin provided a wet strength to the AuNPs@ZnO paper, which enables several catalyst recycles with no significant losses in catalytic activity.

Original languageEnglish
Pages (from-to)4990-5000
Number of pages11
JournalBioResources
Volume6
Issue number4
Publication statusPublished - Nov 2011

Fingerprint

Zinc Oxide
Zinc oxide
Gold
gold
zinc
oxide
Nanoparticles
matrix
catalyst
Epichlorohydrin
Paper products
Catalysts
Catalyst activity
resin
Drying
aqueous solution
Resins
nanoparticle
in situ
Composite materials

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal
  • Environmental Engineering
  • Bioengineering

Cite this

In situ synthesis of gold nanoparticles on zinc oxides preloaded into a cellulosic paper matrix for catalytic applications. / Miura, Shin; Kitaoka, Takuya.

In: BioResources, Vol. 6, No. 4, 11.2011, p. 4990-5000.

Research output: Contribution to journalArticle

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