Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method

A microwave-assisted hydrothermal method was used to synthesize ZnO and TiO2 nanostructures. The experimental results show that the method resulted in crystalline monodispersed ZnO nanorods that have pointed tips with hexagonal crystal phase. TiO2 nanotubes were also formed with minimum bundles. The...

Full description

Saved in:
Bibliographic Details
Main Authors: Nosipho Moloto, Siyasanga Mpelane, Lucky M. Sikhwivhilu, Suprakas Sinha Ray
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Photoenergy
Online Access:http://dx.doi.org/10.1155/2012/189069
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1832565169049305088
author Nosipho Moloto
Siyasanga Mpelane
Lucky M. Sikhwivhilu
Suprakas Sinha Ray
author_facet Nosipho Moloto
Siyasanga Mpelane
Lucky M. Sikhwivhilu
Suprakas Sinha Ray
author_sort Nosipho Moloto
collection DOAJ
description A microwave-assisted hydrothermal method was used to synthesize ZnO and TiO2 nanostructures. The experimental results show that the method resulted in crystalline monodispersed ZnO nanorods that have pointed tips with hexagonal crystal phase. TiO2 nanotubes were also formed with minimum bundles. The mechanism for the formation of the tubes was validated by HRTEM results. The optical properties of both ZnO and TiO2 nanostructures showed characteristics of strong quantum confinement regime. The photoluminescence spectrum of TiO2 nanotubes shows good improvement from previously reported data.
format Article
id doaj-art-694cd1cedf4e43499aafe81ccc7ffb28
institution Kabale University
issn 1110-662X
1687-529X
language English
publishDate 2012-01-01
publisher Wiley
record_format Article
series International Journal of Photoenergy
spelling doaj-art-694cd1cedf4e43499aafe81ccc7ffb282025-02-03T01:09:00ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2012-01-01201210.1155/2012/189069189069Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal MethodNosipho Moloto0Siyasanga Mpelane1Lucky M. Sikhwivhilu2Suprakas Sinha Ray3Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag 3, Wits 2050, South AfricaDST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria 0001, South AfricaDST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria 0001, South AfricaDST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria 0001, South AfricaA microwave-assisted hydrothermal method was used to synthesize ZnO and TiO2 nanostructures. The experimental results show that the method resulted in crystalline monodispersed ZnO nanorods that have pointed tips with hexagonal crystal phase. TiO2 nanotubes were also formed with minimum bundles. The mechanism for the formation of the tubes was validated by HRTEM results. The optical properties of both ZnO and TiO2 nanostructures showed characteristics of strong quantum confinement regime. The photoluminescence spectrum of TiO2 nanotubes shows good improvement from previously reported data.http://dx.doi.org/10.1155/2012/189069
spellingShingle Nosipho Moloto
Siyasanga Mpelane
Lucky M. Sikhwivhilu
Suprakas Sinha Ray
Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
International Journal of Photoenergy
title Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
title_full Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
title_fullStr Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
title_full_unstemmed Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
title_short Optical and Morphological Properties of ZnO- and TiO2-Derived Nanostructures Synthesized via a Microwave-Assisted Hydrothermal Method
title_sort optical and morphological properties of zno and tio2 derived nanostructures synthesized via a microwave assisted hydrothermal method
url http://dx.doi.org/10.1155/2012/189069
work_keys_str_mv AT nosiphomoloto opticalandmorphologicalpropertiesofznoandtio2derivednanostructuressynthesizedviaamicrowaveassistedhydrothermalmethod
AT siyasangampelane opticalandmorphologicalpropertiesofznoandtio2derivednanostructuressynthesizedviaamicrowaveassistedhydrothermalmethod
AT luckymsikhwivhilu opticalandmorphologicalpropertiesofznoandtio2derivednanostructuressynthesizedviaamicrowaveassistedhydrothermalmethod
AT suprakassinharay opticalandmorphologicalpropertiesofznoandtio2derivednanostructuressynthesizedviaamicrowaveassistedhydrothermalmethod