“…Even though brookite is the most stable form, anatase exhibits low recombination and superior charge transfer properties. [5][6][7][8] Employing Nano Photonics Laboratory, Department of Green Energy Technology, UNESCO Madanjeet School of Green Energy Technologies, Pondicherry University, Pondicherry, 605014, India. E-mail: prasanth.ravindran@gmail.com † Electronic supplementary information (ESI) available.…”