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Ziyang Lu,Zehui Yu,Minshan Song,XINLIN LIU,Yang Liu,Yongsheng Yan,Pengwei Huo,Hongjun Dong,Fei Chen,Song Han 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.1
A novel functional inorganic imprinted ZnFe2O4@Ag3PO4/SiO2 photocatalyst was synthesized by a facile sol–gel method combined with the surface imprinting technique, which possessed excellent stability. By optimizing the amount of materials, we determine the preferable addition amounts of tetraethoxysilane (TEOS) and tetracycline to be 0.06 mL and 0.06 g, respectively. This as-prepared functional inorganic imprinted ZnFe2O4@Ag3PO4/SiO2 photocatalyst was proved to not only exhibit high photocatalytic activity (the photodegradation rate was 61.52% under the simulated sunlight irradiation of 60 min), but also possess a strong oriented ability to selectively recognize and photocatalyze tetracycline (the coeficient of selectivity (k selectivity) was 5.14 for ciprofloxacin and 3.63 for gatifloxacin). Moreover, the functional inorganic imprinted ZnFe2O4@Ag3PO4/SiO2 photocatalyst prepared with SiO2 as the inorganic imprinted layer has good stability and can be recycled many times. This work not only puts forward a novel design idea of functional semiconductor materials but also is expected to be widely applied to the oriented catalysis for a target substance according to the practical requirement.
Ziyang Lu,Zehui Yu,Jinbo Dong,Xinyu Xiong,Lin Gao,Minshan Song,Yang Liu,Di Fan,Yongsheng Yan,Pengwei Huo 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2018 NANO Vol.13 No.2
The novel magnetic PW-doped PEDOT (PW@PEDOT) imprinted photocatalyst with good reproducibility was prepared by the surface imprinting technique and microwave heating method. Due to the existence of PW@PEDOT and imprinted cavity in the imprinted layer, the as-prepared magnetic PW@PEDOT imprinted photocatalyst not only had higher photocatalytic activity, but also had the excellent specific recognition ability for selective photodegradation of TC. This paper proposed a new idea to prepare the imprinted photocatalysts.