Phase Transformation of VO 2 Nanoparticles Assisted by Microwave Heating

The microwave assisted synthesis nowadays attracts a great deal of attention. Monoclinic phase VO2 (M) was prepared from NH4VO3 and H 2 C 2 O 4 · 2 H 2 O by a rapid microwave assisted technique. The synthesis parameters, microwave irradiation time, microwave power, and calcinations temperature were...

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Bibliographic Details
Published in:TheScientificWorld 2014-01, Vol.2014 (2014), p.1-8
Main Authors: Phoempoon, Phatcharee, Sikong, Lek
Format: Article
Language:English
Subjects:
Acids
Chemical vapor deposition
Cooling
Growth rate
Irradiation
Methods
R&D
Research & development
Vanadium
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Summary:The microwave assisted synthesis nowadays attracts a great deal of attention. Monoclinic phase VO2 (M) was prepared from NH4VO3 and H 2 C 2 O 4 · 2 H 2 O by a rapid microwave assisted technique. The synthesis parameters, microwave irradiation time, microwave power, and calcinations temperature were systematically varied and their influences on the structure and morphology were evaluated. The microwave power level has been carried out in range 180–600 W. TEM analysis demonstrated nanosized samples. The structural and morphological properties were measured using XRD, TEM, and thermal analyses. The variations of vanadium phase led to thermochromic properties.
ISSN:2356-6140
1537-744X
DOI:10.1155/2014/841418