Sonosynthesis, characterization and photocatalytic degradation property of nanoZnO/zeoliteA
الموضوعات : Iranian Journal of Catalysis
Shokufeh Aghabeygi
1
(Department of Chemistry, East Tehran Branch, Islamic Azad University, Tehran, Iran.)
Reza Kia Kojoori
2
(Department of Chemistry, East Tehran Branch, Islamic Azad University, Tehran, Iran.)
Hamideh Vakili Azad
3
(Department of Chemistry, East Tehran Branch, Islamic Azad University, Tehran, Iran.)
الکلمات المفتاحية: ultrasonic, photocatalyst, NanoZnO, Congo red, ZeoliteA,
ملخص المقالة :
Nano hexagonal wurtzite ZnO has been prepared on zeoliteA by the sono-chemical method. The zeoliteA was mixed into Zinc gel, after stirring for two days, the mixture was irradiated 30 min by ultrasonic probe. The filtrated composite gel was calcinated at 500°C for 3h in furnace. The produced composite was characterized using X-ray diffraction, FT-IR spectroscopy and field emission scanning electron microscopy. The average crystal size of the nanoZnO and nanoZnO on zeoliteA was determined 53 and 38 nm, respectively. The range of particles size of the nanoZnO on zeoliteA is 30-50 nm. The particles of nanoZnO on the surface of zeoliteA has been dispersed over the zeoliteA framework and the results have shown a higher rate of photodegradation of Congo red (an azo-dye) as compared with bare nanoZnO.
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