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Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method
นักวิจัย : Liu, Xinjuan , Pan, Likun , Chen, Taiqiang , Li, Jinliang , Yu, Kai , Sun, Zhuo , Sun, Changqing
คำค้น : DRNTU::Science::Chemistry::Physical chemistry::Catalysis.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2556
อ้างอิง : Liu, X., Pan, L., Chen, T., Li, J., Yu, K., Sun, Z., & Sun, C. (2013). Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method. Catalysis Science & Technology, 3(7), 1805-1809. , http://hdl.handle.net/10220/16924 , http://dx.doi.org/10.1039/c3cy00013c
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Catalysis science & technology
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

SnO2 quantum dots (QDs) were successfully synthesized via a microwave-assisted reaction of a SnO2 precursor in an aqueous solution using a microwave system. The morphology, structure and photocatalytic performance in the degradation of methylene blue (MB) were characterized by scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction spectroscopy, UV-vis absorption/reflectance spectroscopy and electrochemical impedance spectroscopy, respectively. The results show that the SnO2 QDs synthesized at a pH value of 5 exhibit an optimal photocatalytic performance with a MB degradation rate of 90% at 240 min under visible light irradiation due to their easier adsorption of pollutants, higher visible light absorption and lower electron–hole pair recombination.

บรรณานุกรม :
Liu, Xinjuan , Pan, Likun , Chen, Taiqiang , Li, Jinliang , Yu, Kai , Sun, Zhuo , Sun, Changqing . (2556). Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Xinjuan , Pan, Likun , Chen, Taiqiang , Li, Jinliang , Yu, Kai , Sun, Zhuo , Sun, Changqing . 2556. "Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Xinjuan , Pan, Likun , Chen, Taiqiang , Li, Jinliang , Yu, Kai , Sun, Zhuo , Sun, Changqing . "Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2556. Print.
Liu, Xinjuan , Pan, Likun , Chen, Taiqiang , Li, Jinliang , Yu, Kai , Sun, Zhuo , Sun, Changqing . Visible light photocatalytic degradation of methylene blue by SnO2 quantum dots prepared via microwave-assisted method. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2556.