Ni, M., et al., A review and recent developments in photocatalytic water-splitting using TiO2 for hydrogen production, Renewable and Sustainable Energy Reviews 11 (2007), 401-425.
 Moniz, S.J., et al., Visible-light driven heterojunction photocatalysts for water splitting–a critical review, Energy & Environmental Science 8 (2015), 731-759.
 Guedes, M., J.M. Ferreira, and A.C. Ferro, A study on the aqueous dispersion mechanism of CuO powders using Tiron, Journal of Colloid and interface Science 330(2009), 119-124.
 Hsueh, T.-J., et al., Cu 2 O/n-ZnO nanowire solar cells on ZnO: Ga/glass templates, Scripta Materialia 57 (2007), 53-56.
 Hsu, Y.-K., et al., Fabrication of homojunction Cu 2 O Solar Cells by electrochemical deposition, Applied Surface Science 354 (2015), 8-13.
 Jeong, S., et al., Electrodeposited ZnO/Cu 2 O heterojunction solar cells, Electrochimica Acta 53 (2008), 2226-2231.
 Li, Y. and G.A. Somorjai, Nanoscale advances in catalysis and energy applications, Nano letters 10(2010), 2289-2295.
 Hu, C.-C., J.-N. Nian, and H. Teng, Electrodeposited p-type Cu 2 O as photocatalyst for H 2 evolution from water reduction in the presence of WO 3, Solar Energy Materials and Solar Cells 92 (2008), 1071-1076.
 Mohamed, R., D. McKinney, and W. Sigmund, Enhanced nanocatalysts, Materials Science and Engineering: R: Reports 73 (2012), 1-13.
 Jia, W., et al., Synthesis and characterization of novel nanostructured fishbone-like Cu (OH) 2 and CuO from Cu 4 SO 4 (OH) 6, Materials Letters 63 (2009), 519-522.
 Ray, S.C., Preparation of copper oxide thin film by the sol–gel-like dip technique and study of their structural and optical properties, Solar energy materials and solar cells 68 (2001), 307-312.
 Lan, X., et al., Morphology-controlled hydrothermal synthesis and growth mechanism of microcrystal Cu2O, CrystEngComm 13 (2010), 633-636.
 Pavan, M., et al., TiO 2/Cu 2 O all-oxide heterojunction solar cells produced by spray pyrolysis, Solar Energy Materials and Solar Cells 132 (2015), 549-556.
 Kim, T.G., et al., The study of post annealing effect on Cu 2 O thin-films by electrochemical deposition for photoelectrochemical applications, Journal of Alloys and Compounds 612 (2014), 74-79.
 Deng, C., et al., One-pot sonochemical fabrication of hierarchical hollow CuO submicrospheres, Ultrasonics sonochemistry 18 (2011), 932-937.
 Solymosi, F. and E. Krix, Catalysis of solid phase reactions effect of doping of cupric oxide catalyst on the thermal decomposition and explosion of ammonium perchlorate, Journal of Catalysis 1 (1962), 468-480.
 Wang, H., et al., Preparation of CuO nanoparticles by microwave irradiation, Journal of crystal growth 244 (2002), 88-94.
 Li, C., et al., Preparation and characterization of Cu (OH) 2 and CuO nanowires by the coupling route of microemulsion with homogenous precipitation, Solid State Communications 150 (2010), 585-589.
 Du, F., Q.-Y. Chen, and Y.-H. Wang, Effect of annealing process on the heterostructure CuO/Cu2O as a highly efficient photocathode for photoelectrochemical water reduction, Journal of Physics and Chemistry of Solids 104 (2017), 139-144.
 Yang, Y., Y. Li, and M. Pritzker, Control of Cu 2 O Film Morphology Using Potentiostatic Pulsed Electrodeposition, Electrochimica Acta 213 (2016), 225-235.
 ÇAVUŞOĞLU, H., Band-gap Control of Nanostructured CuO Thin Films using PEG as a Surfactant European Journal of Science and Technology 13 (2018), 124-128.
 Walsh, A. and K.T. Butler, Prediction of Electron Energies in Metal Oxides, Accounts of Chemical Research 47 (2014), 364-372.
 Heidari, G., M. Rabani, and B. Ramezanzadeh, Application of CuS–ZnS PN junction for photoelectrochemical water splitting, International Journal of Hydrogen Energy 42(2010), 9545-9552.
 Sriram SUBRAMANIAN, R.V., Chandiramouli RAMANATHAN, Structural and Electronic Properties of CuO, CuO2 and Cu2O Nanoclusters – a DFT Approach, MATERIALS SCIENCE (MEDŽIAGOTYRA) 21 (2015), 173-178.
 Nguyen, P.D., T.M. Duong, and P.D. Tran, Current progress and challenges in engineering viable artificial leaf for solar water splitting, Journal of Science: Advanced Materials and Devices 2 (2017), 399-417.
 Saranya, M., et al., Hydrothermal growth of CuS nanostructures and its photocatalytic properties, Powder Technology 252 (2014), 25-32.
 Badia-Bou, L., et al., Water oxidation at hematite photoelectrodes with an iridium-based catalyst, The Journal of Physical Chemistry C 117 (2013), 3826-3833.
 Annamalai, A., et al., Role of graphene oxide as a sacrificial interlayer for enhanced photoelectrochemical water oxidation of hematite nanorods, The Journal of Physical Chemistry C 119 (2015), 19996-20002.
 Zhang, Z. and P. Wang, Highly stable copper oxide composite as an effective photocathode for water splitting via a facile electrochemical synthesis strategy, Journal of Materials Chemistry 22 (2012), 2456-2464.
 Cao, D., et al., Facile surface treatment on Cu 2 O photocathodes for enhancing the photoelectrochemical response, Applied Catalysis B: Environmental 198 (2016), 398-403.
 Dubale, A.A., et al., Heterostructured Cu 2 O/CuO decorated with nickel as a highly efficient photocathode for photoelectrochemical water reduction, Journal of Materials Chemistry A 3(2015), 12482-12499.