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In Situ Preparation of Silver Nanoparticles in Paper by Reduction with Alkaline Glucose Solutions
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.ORCID iD: 0000-0003-3858-8324
McGill Univ, Dept Chem, Pulp & Paper Bldg,3420 Univ St, Montreal, PQ H3A 2A7, Canada..
2018 (English)In: ACS OMEGA, ISSN 2470-1343, Vol. 3, no 8, p. 9449-9452Article in journal (Refereed) Published
Abstract [en]

Percolation of contaminated water through paper sheets containing silver nanoparticles is a promising way to provide emergency drinking water. The silver nanoparticles are deposited by the in situ reduction of silver nitrate on the cellulose fibers of an absorbent blotting paper sheet. Sodium borohydride has been used as the reductant but is toxic and expensive. Glucose is a benign alternative but is much less reactive. In this note, we demonstrate an improved way to produce silver nanoparticles in paper sheets by adding sodium hydroxide to the glucose reductant. The silver content of the sheets, measured by diffuse reflectance spectroscopy, was around 2-3 mg of silver per gram of dry paper. This was sufficient to reduce the concentration of a model Escherichia coli suspension after percolation through the sheet.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2018. Vol. 3, no 8, p. 9449-9452
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-236026DOI: 10.1021/acsomega.8b01199ISI: 000444182900089Scopus ID: 2-s2.0-85052005495OAI: oai:DiVA.org:kth-236026DiVA, id: diva2:1255481
Note

QC 20181012

Available from: 2018-10-12 Created: 2018-10-12 Last updated: 2018-11-06Bibliographically approved

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Swensson, BeatriceEk, Monica

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