Hybrid nanocomposite based on cellulose and tin oxide: Growth, structure, tensile and electrical characteristics

Suresha K. Mahadeva; Jaehwan Kim

doi:10.1088/1468-6996/12/5/055006

Hybrid nanocomposite based on cellulose and tin oxide: Growth, structure, tensile and electrical characteristics

Suresha K. Mahadeva, Jaehwan Kim

Department of Mechanical Engineering

Inha University

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

A highly flexible nanocomposite was developed by coating a regenerated cellulose film with a thin layer of tin oxide (SnO₂) by liquid-phase deposition. Tin oxide was crystallized in solution and formed nanocrystal coatings on regenerated cellulose. The nanocrystalline layers did not exfoliate from cellulose. Transmission electron microscopy and energy dispersive x-ray spectroscopy suggest that SnO₂ was not only deposited over the cellulose surface, but also nucleated and grew inside the cellulose film. Current-voltage characteristics of the nanocomposite revealed that its electrical resistivity decreases with deposition time, with the lowest value obtained for 24 h of deposition. The cellulose-SnO₂ hybrid nanocomposite can be used for biodegradable and disposable chemical, humidity and biosensors.

Original language	English
Article number	055006
Journal	Science and Technology of Advanced Materials
Volume	12
Issue number	5
DOIs	https://doi.org/10.1088/1468-6996/12/5/055006
State	Published - Oct 2011

Keywords

cellulose
electrical resistivity/conductivity
growth
nanocomposite
SnO

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abstract = "A highly flexible nanocomposite was developed by coating a regenerated cellulose film with a thin layer of tin oxide (SnO2) by liquid-phase deposition. Tin oxide was crystallized in solution and formed nanocrystal coatings on regenerated cellulose. The nanocrystalline layers did not exfoliate from cellulose. Transmission electron microscopy and energy dispersive x-ray spectroscopy suggest that SnO2 was not only deposited over the cellulose surface, but also nucleated and grew inside the cellulose film. Current-voltage characteristics of the nanocomposite revealed that its electrical resistivity decreases with deposition time, with the lowest value obtained for 24 h of deposition. The cellulose-SnO2 hybrid nanocomposite can be used for biodegradable and disposable chemical, humidity and biosensors.",

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AB - A highly flexible nanocomposite was developed by coating a regenerated cellulose film with a thin layer of tin oxide (SnO2) by liquid-phase deposition. Tin oxide was crystallized in solution and formed nanocrystal coatings on regenerated cellulose. The nanocrystalline layers did not exfoliate from cellulose. Transmission electron microscopy and energy dispersive x-ray spectroscopy suggest that SnO2 was not only deposited over the cellulose surface, but also nucleated and grew inside the cellulose film. Current-voltage characteristics of the nanocomposite revealed that its electrical resistivity decreases with deposition time, with the lowest value obtained for 24 h of deposition. The cellulose-SnO2 hybrid nanocomposite can be used for biodegradable and disposable chemical, humidity and biosensors.

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Hybrid nanocomposite based on cellulose and tin oxide: Growth, structure, tensile and electrical characteristics

Abstract

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