Enhanced photocatalytic performance of zinc oxide nanostructures via photoirradiation hybridisation with graphene oxide for the degradation of triclosan under visible light: Synthesis, characterisation and mechanistic study
作者： Nancy Cervantes Rincón , Samia Ben Hammouda , Mika Sillanpää , Vladimir Escobar Barrios
DOI: 10.1016/J.JECE.2018.09.064
关键词: Photocatalysis 、 Zeta potential 、 Visible spectrum 、 Chemical engineering 、 Oxide 、 Photodegradation 、 Zinc 、 Graphene 、 Materials science 、 Endocrine disrupting compound
摘要: Abstract Modification of ZnO nanoparticles with graphene oxide (GO) was carried out, and the obtained hybrid photocatalyst used for photodegradation triclosan (TCS), which is an endocrine disrupting compound. Three different concentrations GO were to modify catalyst using photoirradiation method resultant materials characterised by SEM, TEM, Zeta Potential, FTIR, Raman, N2 Physisorption, HPLC, XRD UV–vis spectrophotometry in order determine their physico-chemical photocatalytic properties. Regarding evaluation, results process TCS showed that acts as a trap electrons improving performance even at low concentration (8 mg.L−1) under visible light radiation. The GO-modified composite contains highest (0.5% w/w) material best degrading up 45% initial reaction rate constant two times higher than pristine zinc oxide. This study allowed us propose mechanism ZnO/GO photocatalysts degrade TCS. In addition, this research contributes understanding enhancement efficiency hybrids obtaining photoactive promising use natural radiation Advance Oxidation Process eliminate endocrine-disrupting compounds such triclosan.
ipicyt.edu.mx
sci-hub.se 参考文章(42)
Hongbo Fu, Tongguang Xu, Shengbao Zhu, Yongfa Zhu, Photocorrosion inhibition and enhancement of photocatalytic activity for ZnO via hybridization with C60. Environmental Science & Technology. ,vol. 42, pp. 8064- 8069 ,(2008) , 10.1021/ES801484X
Yuanhui Zheng, Chongqi Chen, Yingying Zhan, Xingyi Lin, Qi Zheng, Kemei Wei, Jiefang Zhu, Photocatalytic Activity of Ag/ZnO Heterostructure Nanocatalyst: Correlation between Structure and Property Journal of Physical Chemistry C. ,vol. 112, pp. 10773- 10777 ,(2008) , 10.1021/JP8027275
Peter Georgiev, Nina Kaneva, Assya Bojinova, Karolina Papazova, Kristina Mircheva, Konstantin Balashev, Effect of gold nanoparticles on the photocatalytic efficiency of ZnO films Colloids and Surfaces A: Physicochemical and Engineering Aspects. ,vol. 460, pp. 240- 247 ,(2014) , 10.1016/J.COLSURFA.2014.02.004
Jimmy C. Yu, T.Y. Kwong, Q. Luo, Zongwei Cai, Photocatalytic oxidation of triclosan. Chemosphere. ,vol. 65, pp. 390- 399 ,(2006) , 10.1016/J.CHEMOSPHERE.2006.02.011
Alma Berenice Jasso-Salcedo, Gabriela Palestino, Vladimir A. Escobar-Barrios, Effect of Ag, pH, and time on the preparation of Ag-functionalized zinc oxide nanoagglomerates as photocatalysts Journal of Catalysis. ,vol. 318, pp. 170- 178 ,(2014) , 10.1016/J.JCAT.2014.06.008
S.K. Pardeshi, A.B. Patil, Solar photocatalytic degradation of resorcinol a model endocrine disrupter in water using zinc oxide. Journal of Hazardous Materials. ,vol. 163, pp. 403- 409 ,(2009) , 10.1016/J.JHAZMAT.2008.06.111
Li-Wu Zhang, Hong-Bo Fu, Yong-Fa Zhu, Efficient TiO2 Photocatalysts from Surface Hybridization of TiO2 Particles with Graphite-like Carbon Advanced Functional Materials. ,vol. 18, pp. 2180- 2189 ,(2008) , 10.1002/ADFM.200701478
Tian Lv, Likun Pan, Xinjuan Liu, Ting Lu, Guang Zhu, Zhuo Sun, Enhanced photocatalytic degradation of methylene blue by ZnO-reduced graphene oxide composite synthesized via microwave-assisted reaction Journal of Alloys and Compounds. ,vol. 509, pp. 10086- 10091 ,(2011) , 10.1016/J.JALLCOM.2011.08.045
Nikolai Kislov, Jayeeta Lahiri, Himanshu Verma, D Yogi Goswami, Elias Stefanakos, Matthias Batzill, None, Photocatalytic degradation of methyl orange over single crystalline ZnO: orientation dependence of photoactivity and photostability of ZnO. Langmuir. ,vol. 25, pp. 3310- 3315 ,(2009) , 10.1021/LA803845F
Kenji Matsumoto, Noriko Saito, Toshitsugu Mitate, Junichi Hojo, Miki Inada, Hajime Haneda, Surface polarity determination of ZnO spherical particles synthesized via solvothermal route Crystal Growth & Design. ,vol. 9, pp. 5014- 5016 ,(2009) , 10.1021/CG901216G