Chemical synthesis and compositional analysis of mixed [Mo(S1-xSex)2] semiconductor thin films

The synthesis of binary MoS2, MoSe2 and mixed [Mo(S1-xSex)2] thin films onto a glass substrates using arrested precipitation technique (APT) is presented in this investigation. Growth kinetics and mechanism of film formation were studied for these films and are explained in brief. The stoichiometry...

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Bibliographic Details
Published in:Journal of materials science 2004-03, Vol.39 (5), p.1659-1664
Main Authors: AJALKAR, B. D, BURUNGALE, S. H, BHANGE, D. S, BHOSALE, P. N
Format: Article
Language:English
Subjects:
Atomic absorption analysis
Chalcogenides
Chemical synthesis
Composition and phase identification
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Glass substrates
Liquid phase epitaxy
deposition from liquid phases (melts, solutions, and surface layers on liquids)
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Molybdenum
Molybdenum disulfide
Organic chemistry
Physics
Spectrophotometry
Stoichiometry
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thin film structure and morphology
Thin films
Xylene
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Summary:The synthesis of binary MoS2, MoSe2 and mixed [Mo(S1-xSex)2] thin films onto a glass substrates using arrested precipitation technique (APT) is presented in this investigation. Growth kinetics and mechanism of film formation were studied for these films and are explained in brief. The stoichiometry of the film is confirmed by analyzing films using Extractive spectrophotometric (ESP), atomic absorption spectroscopic (AAS) and electron diffraction X-ray microanalysis (EDAX) techniques. The semiconductor solution containing Mo(VI) and Se(IV) is extracted with N-n-octylaniline in xylene and determined by ESP, AAS and EDAX techniques. Further these films are characterized for its semiconducting behavior to test the suitability of molybdenum chalcogenides as a photoelectrode to convert radiant energy into electricity. It is found that stoichiometry of the film formed by our recently developed arrested precipitation technique (APT) has strong influence on photoconduction in molybdenum chalcogenide photoelectrodes.
ISSN:0022-2461
1573-4803
DOI:10.1023/B:JMSC.0000016166.15326.41