Issue 13, 2015
From the journal:

RSC Advances

Mild fabrication of silica-silver nanocomposites as active platforms for environmental remediation†

A. Mignani,*a   S. Fazzini,b   B. Ballarin,*b   E. Boanini,c   M. C. Cassani,b   C. Maccato,d   D. Barrecae  and  D. Nannib  

* Corresponding authors

a Center for Industrial Research – Advanced Applications in Mechanical Engineering and Materials Technology (CIRI-MAM), University of Bologna, Viale del Risorgimento, 2 I-40136 Bologna, Italy
E-mail: a.mignani@unibo.it
Fax: +39 0512093690
Tel: +39 0512093704

b Department of Industrial Chemistry “Toso Montanari”, University of Bologna and INSTM, Viale del Risorgiento, 4 I-40136 Bologna, Italy
E-mail: barbara.ballarin@unibo.it

c Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi, 2 I-40126 Bologna, Italy

d Department of Chemical Sciences, University of Padova and INSTM, Via Marzolo 1, I-35131 Padova, Italy

e CNR-IENI and INSTM, c/o Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131 Padova, Italy

Abstract

Herein we report a new, simple, low cost and one step way to obtain silica-supported silver nanoparticles (AgNPs) on commercial polyethyleneimine-functionalized silica beads (SiO2-PEI) under mild experimental conditions. The novel AgNPs/(SiO2-PEI) material has been thoroughly analyzed using FE-SEM, BET, XRD, XPS and XE-AES analysis. The reduction of Methylene Blue (MB) to Leuco Methylene Blue (LMB) in the presence of NaBH4 was chosen for testing the catalytic properties of AgNPs/(SiO2-PEI) towards dyes decoloration. Moreover, the prepared supported nanocatalyst was also found to exhibit excellent catalytic activity towards decoloration of some azo dyes such as E110 and E122.

Graphical abstract: Mild fabrication of silica-silver nanocomposites as active platforms for environmental remediation

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Article information

DOI
https://doi.org/10.1039/C4RA14069A
Article type
Paper
Submitted
07 Nov 2014
Accepted
05 Jan 2015
First published
06 Jan 2015

RSC Adv., 2015,5, 9600-9606

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Mild fabrication of silica-silver nanocomposites as active platforms for environmental remediation

A. Mignani, S. Fazzini, B. Ballarin, E. Boanini, M. C. Cassani, C. Maccato, D. Barreca and D. Nanni, RSC Adv., 2015, 5, 9600 DOI: 10.1039/C4RA14069A

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