Simple size control of TiO2 nanoparticles and their electrochemical performance: emphasizing the contribution of the surface area to lithium storage at high-rates - Lim, Joohyun; Um, Ji Hyun; Lee, Kyung Jae; Yu, Seung-Ho; Kim, Young-Jae; Sung, Yung-Eun; Lee, Jin-Kyu (Nanoscale, 2016)