Hydrogen sulfide(H2S),although historically known as a toxic gas,has been recently classified as a critical cell signaling molecule,like nitric oxide(NO)and carbon monoxide(CO).
Several new types of organometallic dyes have been designed and their optical and electronic properties have been characterized by density functional calculations.
Van der Waals (vdW) epitaxy of two-dimensional (2D) organic molecular crystals on graphene or graphene-like substrate has become a sovereign area because of their unique advantages in organic electron