[1] Hariharan, C., "Photocatalytic degradation of organic contaminants in water by ZnO nanoparticles: Revisited", Appl. Catal., A: General 304, 55 (2006).
[2] Zhou, N. Polavarapu, L. Gao, N. Pan, Y. Yuan, P. Wang, Q. and Xu, Q. H., "TiO2 coated Au/Ag nanorods with enhanced photocatalytic activity under visible light irradiation", Nanoscale, (2013).
[3] Liu, H. Liu T. Dong, X. Hua, R. and Zhu, Z. "Preparation and enhanced photocatalytic activity of Ag-nanowires@SnO2 core–shell heterogeneous structures", Ceram. Int. 40, 16671 (2014).
[4] Wang, X. Fan, H. Q. and Ren, P. R. "Elf-assemble flower-like SnO2/Ag hetero-structures: correlationamongcomposition,structureandphotocatalytic activity", S, Colloids Surf., A, 419, 140 (2013).
[5] Yang, G. D. Yan, Z. F. and Xiao, T. C., "Preparation and characterization of SnO2/ZnO2/TiO2 composite semiconductor with enhanced photocatalytic activity", Appl. Surf. Sci 258, 8704 (2012).
[6] Yin, K. Shao, M. W. Zhang, Z. S. and Lin, Z. Q., "A single-source precursor route to Ag/SnO2 heterogeneous nanomaterials and its photocatalysis in degradation of Conco Red, Mater", Res. Bull, 47, 3704 (2012).
[7] Saravanan, R. Kumar, G. V. Narayanan, V. and Stephen, A., "Comparative study on photocatalytic activity of ZnO prepared by different methods", J. of Mol. Liq., 181, 133(2013).
[8] Linsebigler, A. L. Lu, G. and Yates, J. T., "Photocatalysis on TiO2 surfaces: principles, mechanisms, and selected results", Chem. Rev. 95, 735 (1995).
[9] Wang, H. Baek, S. Lee, J. and Lim, S., "High photocatalytic activity of silver-loaded ZnO-SnO2 coupled catalysts", Chem. Eng. J. 146, 355 (2009).
[10] Robert, D., "Photosensitization of TiO2 by MxOy and MxSy nanoparticles for heterogeneous photocatalysis applications", Catal. Today, 122, 20 (2007).
[11] Akurati, K. K. Vital, A. Dellemann, J. Michalow, K. Graule, T. Ferri, D. and Baiker, A. "Flame-madeWO3/TiO2 nanoparticles: relation between surface acidity, structure and photocatalytic activity", Appl. Catal. B: Environ., 79, 53 (2008).
[12] Wang, W. W. Zhu, Y. J. and Yang, L. X., "ZnO-SnO2 hollow spheres and hierarchical nanosheets: hydrothermal preparation, formation mechanism, and photocatalytic properties", Adv. Funct. Mater., 17, 59 (2007).
[13] Li, H. H. D. Ohashi, N. Hishita, S. and Yoshikawa, Y., "Synthesis of nanosized nitrogen-containing MOx–ZnO (M=W, V, Fe) composite powders by spray pyrolysis and their visible-light-driven photocatalysis in gas-phase acetaldehyde decomposition", Catal. Today, 93, 895 (2004).
[14] Ayati, A. Ahmadpour, A. Bamoharram, F. F. Heravi, M. M. and Rashidi, H., "Photocatalytic synthesis of gold nanoparticles using preyssler acid and their photocatalytic activity", Chin. J. Catal., 32, 978 (2011).
[15] Wang, W. Zhang, J. Chen, F. He, D. and Anpo, M., "Preparation and photocatalytic properties of Fe3+-doped Ag@TiO2 core–shell nanoparticles", J. Coll. Inter. Sci., 323, 182 (2008).
[16] Ahmed, A. A. E. Hassan, M. A. S. and Kamal, A. M., "Preparation and using of TiO2 nanoparticles for treatment of water containing formic acid or coliform bacteria", Nanosci. Nanotechnol., 3, 90 (2013).
[17] Zhang, M. Sheng, G. Fu, J. An, T. Wang, X. and Hu, X., "Novel preparation of nanosized ZnO-SnO2 with high photocatalytic activity by homogeneous co-precipitation method", Mater. Lett. 59, 3641 (2005).
[18] Wen, Z. Wang, G. Lu, W. Wang, Q. Zhang, Q. and Li, J., "Enhanced photocatalytic properties of mesoporous SnO2 induced by low concentration ZnO doping", Cryst. Growth Des., 7, 1722(2007).
[19] Shi, L. Li, C. Gu, H. and Fang, D., "Morphology and properties of ultrafine SnO2-TiO2 coupled semiconductor particles", Mater. Chem. Phys., 62, 62 (2000).
[20] Liao, S. Huang, D. Yu, D. Su, Y. and Yuan, G., "Preparation and characterization of ZnO/TiO2, SO4-2/ZnO/TiO2 photocatalyst and their photocatalysis", J. Photochem. Photobiol. A: Chem., 168, 7 (2004).
[21] Chen, L. Huang, T. T. T, C. A. Li, J. Yuan, L. and Cai, Q., "Synthesis and photocatalytic application of Au/Ag nanoparticle-sensitized ZnO films", Appl. Surf. Sci., 273, 82 (2013).
[22] Ramachandran, D. Brijitta, J. Raj, N. N. Jayanthi, V. and Rabel, A. M., "Synthesis and Characterization of Zinc Oxide Nanorods", Int .Conf. on Advanced Nanomaterials & Emerging Engineering Technologies, New Delhi, India, 2013.
[23] Zhang, Y. C. Wu, X. Hu, X. Y. and Guo, R., "Low-temperature synthesis of nanocrystalline ZnO by thermal decomposition of a ‘‘green’’ single-source inorganic precursor in air", J. Cryst. Growth, 280, 250 (2005).
[24] Chetri, P. and Choudhury, A., "Investigation of optical properties of SnO2 nanoparticles", Physica E, 47 257(2013).
[25] Abbasi, S. Zebarjad, S. M. Baghban, S. H. N. and Youssefi, A., "Synthesis of TiO2 nanoparticles and decorated Multi-walled carbon nanotubes with various content of rutile titania", Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry (2015).
[26] Balachandran, S. Selvam, K. Babub, B. and Swaminathan, M., "The simple hydrothermal synthesis of Ag–ZnO–SnO2 nanochain and its multiple applications†", Dalton Trans., 42, 16365 (2013).
[27] Xie, Y. Heo, S. H. Yoo, S. H. Ali, G. and Cho, S. O., "Synthesis and Photocatalytic Activity of Anatase TiO2 Nanoparticles-coated Carbon Nanotubes", Nanoscale Res., 5, 603 (2010).