Synthesis of nitrogen-doped carbon dots with 3-aminoquinoline and citric acid as an absorbent in full ultraviolet bands and application of transparent sunscreen umbrella

Yulin Xu, Zhiqiang Xu, Congcong Chen, Weihao Ye, Baoyan Guo, Jiemin Qiu, Jianle Zhuang, Chaofan Hu, Bingfu Lei, Guangqi Hu, Yingliang Liu, Yingliang Liu