Metal-free carbon-dots nanozyme with oxidase-like activity as photocatalysts for highly efficient detection/reduction of Cr(VI) and antibacterial application

Huajie Chen, Li Dai, Yutao Zheng, Kui Wang, Xiangbo Zhang, Sheng Zhou, Shansi Wei, Fengyuan Yong, Jing Nie, Huiyun Wen, Jiyong Wu, Weiming Xue, Saipeng Huang