Solution-based approaches have been intensively employed to prepare, pattern, and assemble nanomaterials. In such processes, the spontaneous fluid flow caused by evaporation, heating, etc. is inevitable. Such fluid flow can be utilized to manipulate the mass transfer and the crystallization and assembly of nanomaterials. By controlling the pattern of the Marangoni flow, which is resulted from the surface tension variation, we are able to control the morphology of crystals formed and the patterns of assembled nanomaterials in solution or at the liquid-solid and liquid-liquid interfaces. These processes are easy to control and feasible to different materials systems. The films formed on the surface of liquid are easily transferred to different substrates to build various devices.<br/><br/><br/>

Manipulating crystallization and assembly of nanomaterials via fluidic engineering

256th National Meeting (2018)

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