Grain boundary (GB) is one main type of defects in two-dimensional (2D) crystals,and has significant impact on the physical properties of 2D materials.Phosphorene,a recently synthesized 2D semiconduct
Study of the OH-(H2O)n clusters may help to understand the hydrationp henomena of OH- in solution which is an important and intriguing subject in various fields.However,only the small sized OH-(H2O)n
Nanoscale molybdenum disulphide(MoS2)has attracted ever-growing interest as one of the most promising non-precious catalysts for hydrogen evolution reaction(HER).