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Issue 8, 2019
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Rapid synthesis of ultrasmall platinum nanoparticles supported on macroporous cellulose fibers for catalysis

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Abstract

Herein, we report a facile method for the synthesis of platinum nanoparticles (PtNPs) about 2.25 nm in size by heating a solution of chloroplatinic acid and sodium rhodizonate. The PtNPs were synthesized in about 5 min. The PtNPs were supported on macroporous cellulose fibers that were obtained from Kimwipe paper (KWP). The cellulose fiber-supported PtNPs (PtNPs@KWP) exhibited excellent catalytic activity towards the reduction of organic pollutants [e.g. methyl orange (MO)] in the presence of hydrogen (H2) gas and formic acid (FA). FA and H2 gas were utilized as clean and alternative reducing agents. The reduction of MO was performed in two different types of water matrices viz. deionized water (DIW) and simulated fresh drinking water (FDW). In both water matrices, the FA mediated reduction of MO was found to be faster than the H2 gas-bubbled one. The PtNPs@KWP demonstrated excellent cycling stability without leaching the PtNPs or platinum ions into the solution for at least five cycles.

Graphical abstract: Rapid synthesis of ultrasmall platinum nanoparticles supported on macroporous cellulose fibers for catalysis

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Article information


Submitted
26 Feb 2019
Accepted
03 Jun 2019
First published
04 Jun 2019

This article is Open Access

Nanoscale Adv., 2019,1, 2953-2964
Article type
Paper

Rapid synthesis of ultrasmall platinum nanoparticles supported on macroporous cellulose fibers for catalysis

Md. T. Islam, J. A. Rosales, R. Saenz-Arana, S. J. Ghadimi and J. C. Noveron, Nanoscale Adv., 2019, 1, 2953
DOI: 10.1039/C9NA00124G

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