[1]. Dincer I. and Acar C., “Review and evaluation of hydrogen production methods for better sustainability,” International Journal of Hydrogen Energy., Vol. 40, No. 34, pp. 11094-11111, 2015. ##
[2]. Abdalla A. M., Hossain S., Nisfindy O. B., Azad A. T., Dawood M. and Azad A. K., “Hydrogen production, storage, transportation and key challenges with applications,” A review, Energy Conversion and Management., Vol. 165, pp. 602-627, 2018. ##
[3]. Tee S. Y., Win K. Y., Teo W. S., Koh L. D., Liu S., Teng C. P. and Han M. Y., “Recent progress in energy‐driven water splitting,” Advanced Science., Vol. 4, Issue 5, 2017. ##
[4]. Hisatomi T., Kubota J. and Domen K., “Recent advances in semiconductors for photocatalytic and photoelectrochemical water splitting,” Chemical Society Reviews., Vol. 43, No. 22, pp. 7520-7535, 2014. ##
[5]. Kong D., Zheng Y., Kobielusz M., Wang Y., Bai Z., Macyk W. and Tang J., “Recent advances in visible light-driven water oxidation and reduction in suspension systems,” Materials Today., Vol. 21, No. 8, pp. 897-924, 2018. ##
[6]. Shi J. and Guo L., “ABO3-based photocatalysts for water splitting,” Progress in Natural Science: Materials International., Vol. 22, No. 6, pp. 592-615, 2012. ##
[7]. Moniruddin M., Ilyassov B., Zhao X., Smith E., Serikov T., Ibrayev N. and Nuraje N., “Recent progress on perovskite materials in photovoltaic and water splitting applications,” Materials Today Energy., Vol. 7, pp. 246-259, 2018. ##
[8]. Manzoor A., Afzal A. M., Umair M., Ali A., Rizwan M. and Yaqoob M. Z., “Synthesis and characterization of Bismuth ferrite (BiFeO3) nanoparticles by solution evaporation method,” Journal of Magnetism and Magnetic Materials., Vol. 393, pp. 269-272, 2015. ##
[9]. Gao F., Yuan Y., Wang K. F., Chen X. Y., Chen F., Liu J. M. and Ren Z. F., “Preparation and photoabsorption characterization of BiFeO3 nanowires,” Appl Phys Lett., Vol. 89, Issue10, 2006. ##
[10]. Luo J. and Maggard P. A., “Hydrothermal synthesis and photocatalytic activities of SrTiO3‐coated Fe2O3 and BiFeO3,” Adv Mater., Vol. 18, pp. 514-517, 2006. ##
[11]. Joshi U. A., “Microwave synthesis of single-crystalline perovskite BiFeO3 nanocubes for photoelectrode and photocatalytic applications,” Appl. Phys. Lett., Vol. 9, Issue 24, 2008. ##
[12]. Li S., Zhang J., Kibria M. G., Mi Z., Chaker M., Ma D., Nechache R. and Rosei F., “Remarkably enhanced photocatalytic activity of laser ablated Au nanoparticle decorated BiFeO3 nanowires under visible-light,” Chem. Commun., Vol. 49, No. 52, pp. 5856-5858, 2013. ##
[13]. Lu L., Lv M., Liu G. and Xu X., “Photocatalytic hydrogen production over solid solutions between BiFeO3 and SrTiO3,” App. Surf. Sci., Vol. 391, pp. 535-541, 2017. ##
[14]. Xie J., Guo C., Yang P., Wang X., Liu D. and Li C. M., “Bi-functional ferroelectric BiFeO3 passivated BiVO4 photoanode for efficient and stable solar water oxidation,” Nano Energy., Vol. 31, pp. 28-36, 2017. ##
[15]. Vishwakarma A. K., Tripathi P., Srivastava A., Sinha A. S. K. and Srivastava O., “Band gap engineering of Gd and Co doped BiFeO3 and their application in hydrogen production through photoelectrochemical route,” Int. J. Hydrogen Energy, Vol. 42, pp. 22677-22686, 2017. ##
[16]. Ye S., Wang R., Wu M. Z. and Yuan Y. P., “A review on g-C3N4 for photocatalytic water splitting and CO2 reduction,” Appl. Surf. Sci., Vol. 358, pp. 15-27, 2015. ##
[17]. Xiao M., Luo B., Wang S. and Wang L., “Solar energy conversion on g-C3N4 photocatalyst: Light harvesting, charge separation, and surface kinetics,” J. Energy Chem., Vol. 27, pp. 1111-1123, 2018. ##
[18]. Zhu J. and Zäch M., “Nanostructured materials for photocatalytic hydrogen production,” Current Opinion in Colloid & Interface Science.,Vol. 4, No.14, pp. 260-269, 2009. ##
[19]. Lee G .J. and Wu J. J., “Recent developments in ZnS photocatalysts from synthesis to photocatalytic applications-a review,” Powder Technology., Vol. 318, pp. 8-22, 2017. ##
[20]. QutubN., PirzadaB. M., Umar K., Mehraj O., Muneer M. and Sabir S., “Synthesis, characterization and visible-light driven photocatalysis by differently structured CdS/ZnS sandwich and core–shell nanocomposites,” Physica E: Low-Dimensional Systems and Nanostructures., Vol. 74, pp. 74-86, 2015. ##
[21]. Farhadi S. and Rashidi N., “Preparation and characterization of pure single-phase BiFeO3 nanoparticles through thermal decomposition of the heteronuclear Bi [Fe (CN) 6]· 5H2O complex,” Polyhedron., Vol. 29, No.15, pp. 2959-2965, 2010. ##
[22]. Wu X., Wu W., Cui X. and Liao S., “Preparation of nanocrystalline BiFeO3 via a simple and novel method and its kinetics of crystallization,” Journal of Thermal Analysis and Calorimetry, Vol. 107, No. 2, pp. 625-632, 2012. ##
[23]. Chidhambaram N. and RavichandranK., “Single step transformation of urea into metal-free g-C3N4 nanoflakes for visible light photocatalytic applications,” Materials Letters., Vol. 207, pp. 44-48, 2017. ##
[24]. Guo F., Shi W., Lin X. and Che G., “Hydrothermal synthesis of graphitic carbon nitride–BiVO4 composites with enhanced visible light photocatalytic activities and the mechanism study,” Journal of Physics and Chemistry of Solids., Vol. 75, No. 11, pp. 1217-1222, 2014. ##
[25]. Niu P., Zhang L., Liu G. and Cheng H. M., “Graphene‐like carbon nitride nanosheets for improved photocatalytic activities,” Advanced Functional Materials., Vol. 22, No. 22, pp. 4763-4770, 2012. ##
[26]. Parvaneh I., Samira S. and Mohsen N., “Characterization of ZnS nanoparticles synthesized by co-precipitation method,” Chinese Physics B., Vol. 24, No. 4, 046104, 2015. ##