Supramolecular colloidal motors via chemical self-assembly |
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Institution: | 1. Física Teórica, Universidad de Sevilla, Apdo. 1065, 41080 Sevilla, Spain;2. Instituto Carlos I de Física Teórica y Computacional, 18071 Granada, Spain;3. Max-Planck-Institut für Intelligente Systeme, Heisenbergstr. 3, 70569 Stuttgart, Germany;1. Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA;2. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA;3. Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA |
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Abstract: | A colloidal motor can convert energy stored in the environment to achieve mechanical motion and exhibit dynamic behaviors in fluids. To overcome the challenges presented to a colloidal motor, controlled molecular self-assembly technology provides new opportunities for the precise fabrication of various nanoarchitectures and facilitates fundamental research on rational design, multifunctionalization, propulsion, and controlled movement of colloidal motors. These molecular assembled colloidal motors, also called supramolecular colloidal motors, can perform special tasks at the micro- and nanoscale in the fields of biomedicine, nanotechnology, and environmental remediation. In this feature article, we first introduce the recent progress of controllable self-assembly of spatially asymmetric supramolecular colloidal motors with variable sizes, structures, and functions and discuss the relationship between structure and propulsion. Next, we review the research progress of this type of colloidal motors in biomedical and environmental fields. Finally, we propose the challenges of the supramolecular colloidal motors and future development direction. |
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Keywords: | Supramolecular colloidal motor Molecular assembly Chemically controlled assembly Self-propulsion Motion control |
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