NDLI: Influence of ammonia, lithium hydroxide, and hexamine on ZnO films synthesized by successive ionic layer adsorption and reaction technique

Content Provider	Springer Nature Link
Author	Murali, K. V. Ragina, A. J. Preetha, K. C. Deepa, K. Remadevi, T. L.
Copyright Year	2012
Abstract	Various nanostructured zinc oxide (ZnO) films have been developed on non-seeded soda-lime glass substrates by successive ionic layer adsorption and reaction (SILAR) method, employing different baths of aqueous zinc sulfate solution using complexing agents of ammonia, lithium hydroxide, and hexamine. Influence of complexing agents on the structural, morphological, chemical compositional, optical and electrical properties of the films were investigated and compared among and with the samples annealed at 400 °C. Role of complexing agents on the growth process was discussed. X-ray diffraction analysis revealed that the ZnO films were polycrystalline dominating with (100), (002), and (101) oriented crystallites of hexagonal wurtzite structure. The lattice constants, c/a ratio, internal relaxation parameter, anion–cation (Zn–O) bond length, and the tetrahedral angles of ZnO films were determined. Cauliflower, flower, and flower-like nanorod morphologies of the films from the respective baths were exposed by scanning electron microscopic studies. Optical analysis of all films except that prepared from hexamine showed low absorbance and a higher transmittance 70–85 % in the entire visible region. Resistivity of annealed films was one order of magnitude lower than that of the as-grown films. We demonstrated utility of SILAR as an efficient single step soft chemical route for obtaining high-quality crystalline ZnO films having high-specific surface area on non-seeded substrates.
Starting Page	1852
Ending Page	1861
Page Count	10
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	48
Issue Number	4
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2012-11-09
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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