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dc.contributor.authorLi, H.
dc.contributor.authorZhao, Q.
dc.contributor.authorLi, Xin Yong
dc.contributor.authorShi, Y.
dc.contributor.authorChen, G.
dc.identifier.citationLi, H. and Zhao, Q. and Li, X.Y. and Shi, Y. and Chen, G. 2012. Fabrication and surface photovoltage study of hematite microparticles with hollow spindle-shaped structure. Applied Surface Science. 258 (18): pp. 7099-7104.

Hematite (a-Fe 2O 3) particles with hollow spindle-shaped microstructure were successfully synthesized by a one-pot hydrothermal approach in large scale. The structural properties of the sample were systematically investigated by X-ray powder diffraction, scanning electron microscopy, energy-dispersive X-ray spectrum, high resolution transmission electron microscopy, selected-area electron diffraction techniques, UV-vis diffuse reflectance spectroscopy and infrared spectroscopy techniques. The characterization results revealed that the a-Fe 2O 3 microparticles with a single-domain crystalline structure was mainly grown along the (1 0 4) crystal plane. The valence states and the surface chemical compositions of a-Fe 2O 3 were further identified by X-ray photoelectron spectroscopy. The feature of photo-induced charge separation on spectrum was demonstrated by the surface photovoltage measurement under different external biases. The observed photoelectric characteristics of the as-fabricated material are beneficial for various optical and electronic applications. © 2012 Elsevier B.V.

dc.titleFabrication and surface photovoltage study of hematite microparticles with hollow spindle-shaped structure
dc.typeJournal Article
dcterms.source.titleApplied Surface Science
curtin.departmentDepartment of Chemical Engineering
curtin.accessStatusFulltext not available

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