Sankareswari, M., R. Vidhya, P. Malliga, I. Rathinamala, S. Karuthapandian, and K. Neyvasagam. 2017. “Bandgap Tailored TiO2 Thin Films by Addition of SiO2 for Enhanced Photocatalytic Activity Against Congo Red under Visible Light Illumination”. Asian Journal of Chemistry 29 (5):1085-90. https://doi.org/10.14233/ajchem.2017.20413.