Wang, Xiaoyi, Dainan Zhang, Quanjun Xiang, Zhiyong Zhong, and Yulong Liao. 2018. “Review of Water-Assisted Crystallization for TiO2 Nanotubes”. Nano-Micro Letters 10 (4):77. https://doi.org/10.1007/s40820-018-0230-4.