Controlled synthesis and characterization of ZnSe nanostructures via a solvothermal approach in a mixed solution

Yang, J; Wang, G; Liu, H; Park, J; Cheng, X

Controlled synthesis and characterization of ZnSe nanostructures via a solvothermal approach in a mixed solution

Yang, J Wang, G

Liu, H

Park, J Cheng, X

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Publication Type:: Journal Article
Citation:: Materials Chemistry and Physics, 2009, 115 (1), pp. 204 - 208
Issue Date:: 2009-05-15

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Field	Value	Language
dc.contributor.author	Yang, J	en_US
dc.contributor.author	Wang, G https://orcid.org/0000-0003-4295-8578	en_US
dc.contributor.author	Liu, H https://orcid.org/0000-0003-0266-9472	en_US
dc.contributor.author	Park, J	en_US
dc.contributor.author	Cheng, X	en_US
dc.date.issued	2009-05-15	en_US
dc.identifier.citation	Materials Chemistry and Physics, 2009, 115 (1), pp. 204 - 208	en_US
dc.identifier.issn	0254-0584	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13125
dc.description.abstract	In the present study, ZnSe nanostructures with complex morphologies and different phase structures were synthesized via a solvothermal approach using a mixed solution of triethylenetetramine (TETA) and de-ionized water (DIW). It was found that the phase and morphology of the as-prepared products could be controlled by changing the volume ratio of TETA to DIW. Metastable ZnSe nanoflowers with layered structure could be obtained from pure TETA, which can be transformed to the wurtzite structure after heat-treating at 500 °C in Ar atmosphere. With the addition of DIW, the morphology changed from flowers to spheres, and when the volume ratio of TETA to DIW was 1:1, loose spheres composed of nanoparticles were obtained. Variation of the TETA content in the mixed solvent also allows controlling of the crystallographic phase of ZnSe (wurtzite or zinc blende). Both the as-prepared products and the annealed powders were systematically characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared absorbance spectroscopy (FTIR), thermogravimetric analysis (TGA), and ultraviolet-visible (UV-vis) spectroscopy methods. © 2008 Elsevier B.V. All rights reserved.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP0559891
dc.relation.ispartof	Materials Chemistry and Physics	en_US
dc.relation.isbasedon	10.1016/j.matchemphys.2008.11.042	en_US
dc.subject.classification	Materials	en_US
dc.title	Controlled synthesis and characterization of ZnSe nanostructures via a solvothermal approach in a mixed solution	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	115	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0303 Macromolecular and Materials Chemistry	en_US
utslib.for	1007 Nanotechnology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	115	en_US

Abstract:

In the present study, ZnSe nanostructures with complex morphologies and different phase structures were synthesized via a solvothermal approach using a mixed solution of triethylenetetramine (TETA) and de-ionized water (DIW). It was found that the phase and morphology of the as-prepared products could be controlled by changing the volume ratio of TETA to DIW. Metastable ZnSe nanoflowers with layered structure could be obtained from pure TETA, which can be transformed to the wurtzite structure after heat-treating at 500 °C in Ar atmosphere. With the addition of DIW, the morphology changed from flowers to spheres, and when the volume ratio of TETA to DIW was 1:1, loose spheres composed of nanoparticles were obtained. Variation of the TETA content in the mixed solvent also allows controlling of the crystallographic phase of ZnSe (wurtzite or zinc blende). Both the as-prepared products and the annealed powders were systematically characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared absorbance spectroscopy (FTIR), thermogravimetric analysis (TGA), and ultraviolet-visible (UV-vis) spectroscopy methods. © 2008 Elsevier B.V. All rights reserved.

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http://hdl.handle.net/10453/13125