Photoactivated colloidal dockers for cargo transportation

被引：0

作者：

机构：

[1] Palacci, Jérémie

[2] Sacanna, Stefano

[3] Vatchinsky, Adrian

[4] Chaikin, Paul M.

[5] Pine, David J.

来源：

Palacci, J. (jp153@nyu.edu) | 1600年 / American Chemical Society卷 / 135期

关键词：

We introduce a self-propelled colloidal hematite docker that can be steered to a small particle cargo many times its size; dock; transport the cargo to a remote location; and then release it. The self-propulsion and docking are reversible and activated by visible light. The docker can be steered either by a weak uniform magnetic field or by nanoscale tracks in a textured substrate. The light-activated motion and docking originate from osmotic/phoretic particle transport in a concentration gradient of fuel; hydrogen peroxide; induced by the photocatalytic activity of the hematite. The docking mechanism is versatile and can be applied to various materials and shapes. The hematite dockers are simple single-component particles and are synthesized in bulk quantities. This system opens up new possibilities for designing complex micrometer-size factories as well as new biomimetic systems. © 2013 American Chemical Society;

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摘要：

Journal article (JA)

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