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      Amphiphilic Janus particles at fluid interfaces

      , , ,
      Soft Matter
      Royal Society of Chemistry (RSC)

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          Anisotropy of building blocks and their assembly into complex structures.

          A revolution in novel nanoparticles and colloidal building blocks has been enabled by recent breakthroughs in particle synthesis. These new particles are poised to become the 'atoms' and 'molecules' of tomorrow's materials if they can be successfully assembled into useful structures. Here, we discuss the recent progress made in the synthesis of nanocrystals and colloidal particles and draw analogies between these new particulate building blocks and better-studied molecules and supramolecular objects. We argue for a conceptual framework for these new building blocks based on anisotropy attributes and discuss the prognosis for future progress in exploiting anisotropy for materials design and assembly.
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            Is Open Access

            Self-motile colloidal particles: from directed propulsion to random walk

            The motion of an artificial micro-scale swimmer that uses a chemical reaction catalyzed on its own surface to achieve autonomous propulsion is fully characterized experimentally. It is shown that at short times, it has a substantial component of directed motion, with a velocity that depends on the concentration of fuel molecules. At longer times, the motion reverts to a random walk with a substantially enhanced diffusion coefficient. Our results suggest strategies for designing artificial chemotactic systems.
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              Janus particles

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                Author and article information

                Journal
                SMOABF
                Soft Matter
                Soft Matter
                Royal Society of Chemistry (RSC)
                1744-683X
                1744-6848
                2013
                2013
                : 9
                : 29
                : 6604
                Article
                10.1039/c3sm50239b
                4526bdaf-0f76-486c-82dc-e96eedfb9865
                © 2013
                History

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