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dimanche 23 avril 2017

Quantification of Photoelectrogenerated Hydroxyl Radical on TiO2 by Surface Interrogation Scanning Electrochemical Microscopy

Zigah D., Rodriguez-Lopez P., Bard A. J.,
Phys. Chem. Chem. Phys. 2012, 14, 12764-12772.

Asymmetric particles of various chemical compositions have attracted great attention because of their application potential in different areas, ranging from photosplitting of water to autonomous swimmers. In this context, the spatial arrangement of the different components can be of major importance. We report here a bulk procedure based on bipolar electrochemistry that allows generating asymmetric particles with a highly controlled spatial orientation of a metal deposit on a carbon substrate. Two fundamentally different topologies of the metal deposit can be obtained as a function of controllable experimental parameters like the orientation and amplitude of the electric field as well as the viscosity of the medium.

 

PhysChemChemPhys2012 p12764 TOC

Références

Remote Surface Enhanced Raman Spectroscopy Imaging via a Nanostructured Optical Fiber Bundle
Optics Express 200917, 24030-24035.

Multiplexed Sandwich Immunoassays using Electrochemiluminescence Imaging Resolved at the Single Bead Level
J. Am. Chem. Soc. 2009131, 6088-6089.

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