Nanocavity-assisted single-crystalline Ti3+ self-doped blue TiO2(B) as efficient cocatalyst for high selective CO2 photoreduction of g-C3N4

D. Praveen Kumar, A. Putta Rangappa, Hyeong Seop Shim, H. Khai, Yeseul Hong, Madhusudana Gopannagari, K. Arun Joshi Reddy, P. Bhavani, D. Amaranatha Reddy, Jae Kyu Song, Tae Kyu Kim