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, ‡}

SEM images of (a) original WSe₂ powders, and (b) SC-CO₂ pre-treated WSe₂ powders. (c) XRD patterns of original and SC-CO₂ pretreated WSe₂ powders. (d) Magnified XRD patterns of the (002) peaks in (c).