Compared with traditional carbon materials, the unique advantage of graphdiyne that can be controlled synthesis on the surface of any substrate makes it more convenient to adjust its size, shape, physical and chemical properties. Recently many hybrid graphynes such as H-hetero, N-hetero, B-hetero, halogen-hybrid graphene have also been prepared through the "bottom-up" approach. Scientists have been working hard to improve the known methods and explore new synthetic methods in order to obtain high-crystallinity single-layer and few-layer graphdiyne films. The exploration and solution of this problem will play an active role in further understanding the intrinsic characteristics of graphdiyne and promoting the development of new graphene carbon materials. Using the "bottom-up" route to achieve the successful preparation of carbon-rich molecules with precise structure and controllable functions, that helps to understand the dependence of its structure and performance from the molecular level, and the relationship between growth and assembly; expanding the preparation and application of the obtained carbon-based new materials in the fields of photovoltaics, catalysis, and energy to further promote the development of new carbon-based energy materials.
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