Morphology control of tin oxide nanostructures and sensing performances for acetylene detection (2013)

Content Provider	CiteSeerX
Author	Chen, Weigen Zhou, Qu Su, Xiaoping Xu, Lingna Peng, Shudi
Abstract	Abstract: Morphology Control plays an important role in gas sensing properties of metal oxide semiconductor based gas sensors. In this study, various morphologies of SnO2 nanostructures including nanobulks, nanospheres, nanorods, and nanowires were successfully synthesized via a simple hydrothermal method assisted with different surfactants. X-ray powder diffraction and scanning electron microscopy were employed to characterize the prepared products. Gas sensors were fabricated by screen-printing the as-prepared SnO2 nanostructures onto planar ceramic substrates. Moreover, their gas sensing properties were systematically investigated towards acetylene gas (C2H2), an important fault hydrocarbon dissolved in power transformer oil. Experiments indicate that the SnO2 nanowires based sensor exhibits excellent gas sensing properties, such as lower operating temperature, higher gas response, quicker response-recovery time and good stability than those of SnO2 nanobulks, nanospheres and nanorods. These results imply SnO2 nanowires a promising sensing morphology for C2H2 detection and provide us a feasible way to develop high-performance gas sensor by tailoring the microstructures and morphologies of the materials in further. Copyright © 2013 IFSA.
File Format	PDF
Journal	Sensors & Transducers
Language	English
Publisher Date	2013-01-01
Access Restriction	Open
Subject Keyword	Morphology Control Acetylene Detection Tin Oxide Nanostructures Gas Sensor Gas Sensing Property Important Role Planar Ceramic Substrate Prepared Product Good Stability Feasible Way Electron Microscopy C2h2 Detection Different Surfactant Important Fault Hydrocarbon Sno2 Nanowires Gas Response Operating Temperature Sno2 Nanobulks As-prepared Sno2 Nanostructures Response-recovery Time Simple Hydrothermal Method High-performance Gas Sensor Various Morphology Power Transformer Oil Sno2 Nanostructures Promising Sensing Morphology X-ray Powder Diffraction
Content Type	Text
Resource Type	Article