Dissymmetrization of micro-particle surface by laser-induced photochemical deposition

Abstract

Abstract:We investigate the surface dissymmetrization of micro-sized particles by using the photochemical reduction of chromate ions induced by a strongly focused continuous Ar + laser wave to nucleate and grow deposits onto one hemisphere of silica beads dispersed in the

Dissymmetric Carbon Nanotubes by Bipolar Electrochemistry

“…Various approaches to generate dissymmetric particles have been reported in the recent literature. These Janus-type particles have been obtained either by protection/deprotection mechanisms, focused laser-induced reactions, cojetting of parallel polymer solutions under the influence of an electrical field, anisotropic electroless deposition, or with microfluidic techniques . However, so far most of the methods used to generate such objects need to break the symmetry by introducing interfaces like in the case of sputtering, , stamp coating, , and Langmuir−Blodgett-based techniques .…”