N. P.  Tangale, Niphadkar, P. S., Samuel, V., Deshpande, S. S., Joshi, P. N., and Awate, S. V., ?Synthesis of Sn-containing anatase (TiO2) by sol-gel method and their performance in catalytic water splitting under visible light as a function of tin content?, Materials Letters, vol. 171, pp. 50-54, 2016.