Crystallite Size Dependence on Structural Parameters and Photocatalytic Activity of Microemulsion Mediated Synthesized Zno Nanoparticles Annealed at Different Temperatures

Dr.Jyoti Sharma

Crystallite Size Dependence on Structural Parameters and Photocatalytic Activity of Microemulsion Mediated Synthesized Zno Nanoparticles Annealed at Different Temperatures

Dr.Jyoti Sharma * §

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§ Dharmsinh Desai University, Nadiad, Gujarat

Crystallite Size Dependence on Structural Parameters and Photocatalytic Activity of Microemulsion Mediated Synthesized Zno Nanoparticles Annealed at Different Temperatures

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Abstract

The synthesis of ZnO nanoparticles has attracted considerable interest because of their unique properties and potential applications in a variety of solid state devices, catalytic media etc. By using water-in-oil (w/o) microemulsions, nanodroplets of water were used as chemical reactor to synthesize nanoparticles of zinc oxide. Addition of reducing agent ((NH 4 ) 2 CO 3 ) and zinc salt (Zn(NO 3 ) 2 ) followed by heat treatment results in the formation of zinc oxide nanoparticles (NPs). The structural and optical properties of the samples were investigated by X-ray diffraction and UV-VIS-NIR absorption spectroscopy. X-ray diffraction revealed the wurtzite structure of ZnO. Percentage of lattice contraction and average particle size of the sample were also calculated from the XRD. Size-dependent blue shifts of absorption spectra revealed the quantum confinement effect. Furthermore, on increasing annealing temperature of ZnO NPs, crystallize size increases which, in turn,decreases the band gap energy and photocatalytic degradation efficiency of phenol.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr.Jyoti Sharma. 2014. "Crystallite Size Dependence on Structural Parameters and Photocatalytic Activity of Microemulsion Mediated Synthesized Zno Nanoparticles Annealed at Different Temperatures". Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 14 (GJSFR Volume 14 Issue 33 (B5)).

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GJSFR Volume 14 Issue 33 (B5)

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

microemulsion size- selective catalysis ZnO nanoparticles

Classification

GJSFR-B Classification FOR Code: 259999p

Submission ReceivedAugust 17, 2014
Peer Review Double Blind
Handling Editor
Accepted September 11, 2014
Published August 25, 2014

Version of record

v1.2

Issue date

August 25, 2014

Language

English

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Article Matrices

Total Score: 113

Country: India

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Dr.Jyoti Sharma, Mr. Manu Vashishtha, Dr. D.O.Shah (PhD/Dr. count: 2)

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