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Ş. DUMAN1,* , B. ÖZKAL1
- Department of Metallurgical & Materials Engineering, Particulate Materials Laboratories, Istanbul Technical University, 34469 Istanbul, Turkey
This paper investigates the effects of dopant and binder on the structural and optical properties of ZnO nanopowders synthesized from zinc acetate based solution via consecutive processes of spray drying and thermal decomposition. The ultimate powders were characterized to compare powder properties. In addition, structural and optical characterization of the powders was performed via XRD and UV-Vis spectrophotometer. The results have shown that irregular powder morphology obtained after the decomposition of sole zinc acetate, can be transformed to regular fiber morphology in presence of certain additions. Furthermore, it was demonstrated that both PVA and the dopants (AgNO3 and H3BO3) used in this study were effective on final L/D ratios of fibers and the specific surface area values of final powders obtained..
ZnO nanofibers, Spray drying, Thermal decomposition.
Submitted at: April 7, 2016
Accepted at: Aug. 3, 2016
Ş. DUMAN, B. ÖZKAL, Effect of dopant and binder on the formation of ZnO powders during thermal decomposition of spray dried zinc acetate based granules, Journal of Optoelectronics and Advanced Materials Vol. 18, Iss. 7-8, pp. 705-711 (2016)
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