Issue 12, 2006

Preparation and characterization of ZnO nanoparticles coated paper and its antibacterial activity study

Abstract

Coating of ZnO nanoparticles on paper surface has potential technological applications. With this motivation, a simple approach of ultrasound assisted coating of paper with ZnO nanoparticles (∼20 nm) without the aid of binder is reported for the first time in this work. The ultrasound assisted coating approach concurs with “green” chemistry as it is simple and environmentally friendly. Scanning electron microscope is used to characterize the surface morphology showing ZnO nanoparticles bound to cellulose fibers. Further characterization of coated surface is performed by attenuated total reflectance-Fourier transform infrared, X-ray diffraction, and time-of-flight secondary ion mass spectrometry in positive ion detection mode along with its imaging capability. The effect of ultrasound irradiation time on ZnO nanoparticles loading is estimated by thermogravimetric analysis. A plausible coating mechanism is proposed. The ZnO nanoparticles coated paper is found to possess antibacterial activity against Escherichia coli 11634.

Graphical abstract: Preparation and characterization of ZnO nanoparticles coated paper and its antibacterial activity study

Article information

Article type
Paper
Submitted
20 Apr 2006
Accepted
31 Aug 2006
First published
15 Sep 2006

Green Chem., 2006,8, 1034-1041

Preparation and characterization of ZnO nanoparticles coated paper and its antibacterial activity study

K. Ghule, A. V. Ghule, B. Chen and Y. Ling, Green Chem., 2006, 8, 1034 DOI: 10.1039/B605623G

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