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International Journal of Nano Dimension
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Hassanvand, A., Asghari, M., Halakoei, H., Rajaei, B. (2013). Synthesis and characterization of nanocrystalline CoAPO-5: Structural and morphological analysis by alteration on hydrothermal parameters. International Journal of Nano Dimension, 4(1), 63-68. doi: 10.7508/ijnd.2013.01.008
A. Hassanvand; M. Asghari; H. Halakoei; B. Rajaei. "Synthesis and characterization of nanocrystalline CoAPO-5: Structural and morphological analysis by alteration on hydrothermal parameters". International Journal of Nano Dimension, 4, 1, 2013, 63-68. doi: 10.7508/ijnd.2013.01.008
Hassanvand, A., Asghari, M., Halakoei, H., Rajaei, B. (2013). 'Synthesis and characterization of nanocrystalline CoAPO-5: Structural and morphological analysis by alteration on hydrothermal parameters', International Journal of Nano Dimension, 4(1), pp. 63-68. doi: 10.7508/ijnd.2013.01.008
Hassanvand, A., Asghari, M., Halakoei, H., Rajaei, B. Synthesis and characterization of nanocrystalline CoAPO-5: Structural and morphological analysis by alteration on hydrothermal parameters. International Journal of Nano Dimension, 2013; 4(1): 63-68. doi: 10.7508/ijnd.2013.01.008

Synthesis and characterization of nanocrystalline CoAPO-5: Structural and morphological analysis by alteration on hydrothermal parameters

Article 9, Volume 4, Issue 1, Summer 2013, Page 63-68  XML PDF (543.69 K)
Document Type: Reasearch Paper
DOI: 10.7508/ijnd.2013.01.008
Authors
A. Hassanvand1; M. Asghari email 1; H. Halakoei2; B. Rajaei2
1Separation Processes Research Group (SPRG), Department of Engineering, University of Kashan, Kashan, Iran.
2Energy Research Institute, University of Kashan, Kashan, Iran.
Abstract
Nano-zeolite CoAPO-5 as a member of AFI family, was synthesized via a hydrothermal treatment, and structurally characterized using X-ray diffraction (XRD), scanning electron microscope (SEM), and energy dispersive X-ray analysis (EDAX). The effects of crystallization temperature and time on the structure of these powder products were studied. XRD patterns of the synthesized powders revealed a high-crystallinity and pure phase of AFI. SEM images and Scherrer equation showed the nano-size of the obtained CoAPO-5. Also, SEM images showed nano-wires as small as 30-50 nm in CoAPO-5 structures. According to EDAX analysis, P/Al ratio of the prepared CoAPO-5 powder was about 1.5. Crystal sizes and the crystallinity of CoAPO-5 reduced at higher temperatures of hydrothermal treatment. On the other hand, the larger crystals grew by increasing the crystallization time from 24 to 48 h.
Keywords
Nano-Zeolite; CoAPO-5; Synthesis; Characterization; structure; Temperature
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