The motion of catalytically active colloids approaching a surface

Soft Matter, vol. 21, pp. 2541–2547

Abstract

in bulk, which could indicate contributions from a different propulsion mechanism. Our results help with the understanding of ionic effects on microswimmers in 3D and point to a coupling between the wall and the particle that affects its self-propulsion speed.

Authors 7

1. Julio Melio Aachen Huygens-Kamerlingh Onnes Laboratory

   Leiden University

   Affiliation as printed

   Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands

2. Solenn Riedel Aachen Huygens-Kamerlingh Onnes Laboratory

   Leiden University

   Affiliation as printed

   Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands

3. Ali Azadbakht Aachen Huygens-Kamerlingh Onnes Laboratory

   Leiden University

   Affiliation as printed

   Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands

4. Tom M. J. Evers Aachen Medical Systems Biophysics and Bioengineering Leiden Academic Centre for Drug Research Faculty of Science, Leiden University

   Leiden University

   Affiliation as printed

   Medical Systems Biophysics and Bioengineering, Leiden Academic Centre for Drug Research, Faculty of Science, Leiden University, 2333CC, Leiden, The Netherlands

5. Alireza Mashaghi Aachen Medical Systems Biophysics and Bioengineering Leiden Academic Centre for Drug Research Faculty of Science, Leiden University

   Leiden University

   Affiliation as printed

   Medical Systems Biophysics and Bioengineering, Leiden Academic Centre for Drug Research, Faculty of Science, Leiden University, 2333CC, Leiden, The Netherlands

6. Joost de Graaf

   Utrecht University

   Affiliation as printed

   Institute for Theoretical Physics, Center for Extreme Matter and Emergent Phenomena, Utrecht University, Princetonplein 5, 3584 CC, Utrecht, The Netherlands

7. Daniela J. Kraft corresponding Aachen Huygens-Kamerlingh Onnes Laboratory

   Leiden University

   Affiliation as printed

   Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands