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Issue 35, 2017
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Self-thermophoretic motion of controlled assembled micro-/nanomotors

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As artificial active colloids, micro-/nanomotors (MNMs) can convert energy from the environment into mechanical motion in different fluids, showing potential applications in diverse fields such as targeted drug delivery and photothermal therapy. However, chemical fuels for typical catalytic MNMs, e.g., hydrogen peroxide, are highly toxic to organisms, and thus fuel-free MNMs are required. Recently, we have developed near-infrared light (NIR) propelled MNMs through integrating plasmonic gold nanoshells into nanoparticles or layer-by-layer assemblies in an asymmetric manner. In this perspective, we give an account of self-thermophoresis motion of these NIR-powered MNMs. The design of the motor architectures, as well as the theoretical study on the propulsion mechanism, is highlighted. We believe that the insights into self-thermophoretic motion would pave the way to access powerful MNMs for future applications and to explore interesting collective behaviors of active matter.

Graphical abstract: Self-thermophoretic motion of controlled assembled micro-/nanomotors

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Publication details

The article was received on 19 Apr 2017, accepted on 05 May 2017 and first published on 22 May 2017

Article type: Perspective
DOI: 10.1039/C7CP02561K
Citation: Phys. Chem. Chem. Phys., 2017,19, 23606-23613
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    Self-thermophoretic motion of controlled assembled micro-/nanomotors

    X. Lin, T. Si, Z. Wu and Q. He, Phys. Chem. Chem. Phys., 2017, 19, 23606
    DOI: 10.1039/C7CP02561K

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