Graphdiyne(GD)is one of carbon allotropes with the unique structure and has ideal high strength,excellent light transmittance,electrical conductivity,high carrier mobility,and thermal conductivity.GD with a natural band gap is an intrinsic semiconductor with special charge transport properties.GD shows a band gap in the range of 0.45 to 1.30 eV,compared with graphene without band gap,which has a promising potential for electronic,catalytic,optical and mechanical applications.Also,GD has two different Dirac cones near the top and bottom of the Fermi energy level,indicating that GD is a self-doped semiconductor with charge carriers and does not require additional doping like graphene.GD can be used as a potential and excellent photocatalytic material,and theoretically it is needed to be modified to build active sites for efficient photo-induced reactions.
graphdiynepreparationphotocatalysishydrogen production
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