Scalable preparation of water-soluble ink of few-layered WSe<sub>2</sub> nanosheets for large-area electronics

Scalable preparation of water-soluble ink of few-layered WSe₂ nanosheets for large-area electronics

Xian Guoyu^{1, 2}, Zhang Jianshuo^{2, 3}, Liu Li¹, Zhou Jun², Liu Hongtao², Bao Lihong², Shen Chengmin², Li Yongfeng³, Qin Zhihui^{1, §}, Yang Haitao^{2, ‡}

(a) Raman spectrum of WSe₂ nanosheets. XPS spectra of (b) W 4f and (c) Se 3d.