Electrostatic Functionalization and Passivation of Water-Exfoliated Few-Layer Black Phosphorus by Poly Dimethyldiallyl Ammonium Chloride and Its Ultrafast Laser Application

Qingliang Feng, Hongyan Liu, Meijie Zhu, Jing Shang, Dan Liu, Xiaoqi Cui, Diqin Shen, Liangzhi Kou, Dong Mao, Jianbang Zheng, Chun Li, Jin Zhang, Hua Xu, Jianlin Zhao