Copper oxides Nanoparticles 7 Nanofluidics 5 Alumina 4 Aluminum oxide 4 Metal nanoparticles 4 Nanocomposites 4 Optical properties 4 Synthesis (chemical) 4 Copper 3 Fins (heat exchange) 3 Nanostructured materials 3 Phase change materials 3 Resistive switching 3 Thermal conductivity 3 Titanium dioxide 3 Boundary conditions 2 Capacitance 2 Coatings 2 Copper oxide nanoparticles 2 Copper-based 2 CuO nanomaterials 2 CuO nanowire device 2 CuO nanowire devices 2 CuO nanowires 2 Defect engineering 2 Electrical conductivity 2 Electrochemical impedance spectroscopy 2 Exergy 2 Fabrication 2