Post-annealing treatment for Cu-TiO2 nanotubes and their use in photocatalytic methyl orange degradation and Pb(II) heavy metal ions removalSrimala Sreekantan, Syazwani Mohd Zaki, Chin Wei Lai and Teoh Wah TzuEur. Phys. J. Appl. Phys., 67 1 (2014) 10404DOI: https://doi.org/10.1051/epjap/2014130453
