Growth And Gas Sensing Properties Of Dielectrophoretically Isolated CuO-W{sub 18}O{sub 49} Heterostructures

Hierarchical heterostructures consisting of W{sub 18}O{sub 49} nanowires grown on CuO nanowires have been prepared and studied for their gas sensing properties. SEM images show that W{sub 18}O{sub 49} initially grow as an shell over core CuO nanowire with protusion like branches whose thickness depe...

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Veröffentlicht in:	AIP conference proceedings 2010-12, Vol.1313 (1)
Hauptverfasser:	Jain, Chhavi, Mukund, Vignesh, Kaur, Manmeet, Ganapathi, Kailasa, Ramgir, Niranjan S., Datta, Niyanta, Aswal, D. K., Gupta, S. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	CHALCOGENIDES COHERENT SCATTERING COPPER COMPOUNDS COPPER OXIDES DIFFRACTION DIMENSIONS ELECTRON MICROSCOPY FABRICATION MATERIALS SCIENCE MICROSCOPY NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES OXIDES OXYGEN COMPOUNDS PARTIAL PRESSURE PHYSICAL PROPERTIES QUANTUM WIRES REFRACTORY METAL COMPOUNDS SCANNING ELECTRON MICROSCOPY SCATTERING SENSORS THERMODYNAMIC PROPERTIES THICKNESS TRANSITION ELEMENT COMPOUNDS TUNGSTEN COMPOUNDS X-RAY DIFFRACTION
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Zusammenfassung:	Hierarchical heterostructures consisting of W{sub 18}O{sub 49} nanowires grown on CuO nanowires have been prepared and studied for their gas sensing properties. SEM images show that W{sub 18}O{sub 49} initially grow as an shell over core CuO nanowire with protusion like branches whose thickness depends on oxygen partial pressure. These CuO:W{sub 18}O{sub 49} structures were dielectrophoretically isolated and studied for their gas sensing properties. The results show potential of use of tailored hierarchical heterostructures for the fabrication of gas sensors.
ISSN:	0094-243X 1551-7616
DOI:	10.1063/1.3530551