Liu, Qiaoran, Hao Tian, Zhenghua Dai, Hongqi Sun, Jian Liu, Zhimin Ao, Shaobin Wang, Chen Han, and Shaomin Liu. 2020. “Nitrogen-Doped Carbon Nanospheres-Modified Graphitic Carbon Nitride With Outstanding Photocatalytic Activity”. Nano-Micro Letters 12 (January):24. https://doi.org/10.1007/s40820-019-0358-x.