Short Survey

Achieving Control in Micro-/Nanomotor Mobility

Alexander D. Fusi, Yudong Li, Dr. A. Llopis-Lorente, Dr. Tania Patiño, Prof. Dr. Jan C. M. van Hest, Dr. Loai K. E. A. Abdelmohsen

Published: 2022

Graphical Abstract

This Minireview highlights the advancements in the area of micro- and nanomotors and discusses current methods and mechanisms to control their movement. We review motors’ design, modes of propulsion and incorporation of different modes in one motor chassis so that control can be achieved.

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Unprecedented opportunities exist for the generation of advanced nanotechnologies based on synthetic micro/nanomotors (MNMs), such as active transport of medical agents or the removal of pollutants. In this regard, great efforts have been dedicated toward controlling MNM motion (e.g., speed, directionality). This was generally performed by precise engineering and optimizing of the motors′ chassis, engine, powering mode (i.e., chemical or physical), and mechanism of motion. Recently, new insights have emerged to control motors mobility, mainly by the inclusion of different modes that drive propulsion. With high degree of synchronization, these modes work providing the required level of control. In this Minireview, we discuss the diverse factors that impact motion; these include MNM morphology, modes of mobility, and how control over motion was achieved. Moreover, we highlight the main limitations that need to be overcome so that such motion control can be translated into real applications.

Full Access Link: Angewandte Chemie - International Edition