Improved Functional Capabilities of Quasi-Two-Dimensional Tungsten Oxide Nanostructures

Serge Zhuiykov

doi:10.4028/www.scientific.net/KEM.689.55

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 689Improved Functional Capabilities of...

Improved Functional Capabilities of Quasi-Two-Dimensional Tungsten Oxide Nanostructures

Abstract:

Electrical properties and morphology of orthorhombic β–WO₃ nano-flakes with thickness of ~7-9 nm were investigated at the nanoscale using energy dispersive X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and current sensing force spectroscopy atomic force microscopy (CSFS-AFM, or PeakForce TUNA^TM). CSFS-AFM analysis established good correlation between the topography of the developed nanostructures and various features of WO₃nano-flakes synthesized via a two-step sol-gel-exfoliation method. It was determined that β–WO₃ nano-flakes annealed at 550°C possess distinguished and exceptional thickness-dependent properties in comparison with the bulk, micro- and nano-structured WO₃ synthesized at alternative temperatures.

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Periodical:

Key Engineering Materials (Volume 689)

Pages:

55-59

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.689.55

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Online since:

April 2016

Authors:

Serge Zhuiykov*

Keywords:

Nano-Crystals, Nano-Materials, Tungsten Oxide, Two-Dimensional (2D)

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