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Volume 143, 2009
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Chemo and phototactic nano/microbots

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One of the more interesting recent discoveries has been the ability to design nano/microparticles which catalytically harness the chemical energy in their environments to move autonomously. These “nanomotors” can be directed by externally applied magnetic fields, or optical and chemical gradients. Our group has now developed two systems in which chemical secretions from the translating micro/nanomotors initiate long-range, collective interactions among the particles via self-diffusiophoresis. Herein, we discuss two different approaches to model the complex emergent behavior of these particles, the first being a qualitative probability-based model with wide applicability, and the second being a more quantitative Brownian dynamics simulation specific to the self-diffusiophoretic phenomenon.

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Publication details

The article was received on 16 Jan 2009, accepted on 23 Mar 2009 and first published on 21 Jul 2009

Article type: Paper
DOI: 10.1039/B900971J
Citation: Faraday Discuss., 2009,143, 15-27
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    Chemo and phototactic nano/microbots

    A. Sen, M. Ibele, Y. Hong and D. Velegol, Faraday Discuss., 2009, 143, 15
    DOI: 10.1039/B900971J

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