Department of Physics • University of Cologne

Fabrication of high-quality crystals via environmentally friendly and efficient processes has been a long-standing issue in the field of crystal growth. Here, we extend a general preparation method of nanostructures, which makes it possible to synthesize crystals on liquid substrates. In this topic, the research progress made in recent years are introduced. Then the general preparation methods, the formation mechanism of the crystals on liquid substrates (for instance, the growth mechanism of graphene, nanotube, and molybdenum disulfide, etc.) and the advantages of using liquid substrates to prepare various low-dimensional crystals are presented and discussed. These research advances will provide experimental and theoretical basis for the subsequent preparation of various crystals on liquid substrates.

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Van der Waals Epitaxy of Transition Metal Disulphide Nanostructures: Tailoring Electronic Structure by Growth Variation