Diazo coupling for surface attachment of small molecules to TiO2 nanoparticles

Chemical Communications : Chem Comm
Jennifer L TroianoGary W Brudvig

Abstract

Robust surface attachment of molecular species to metal oxide semiconductors is desirable for many applications. Here, we report the interfacial diazo coupling of surface-bound amines with aromatics to bind them to the surface of TiO2 nanoparticles via a siloxane anchor and a diazo linker. The technique shows potential for the inexpensive, stable, modular and tunable attachment of molecules to metal oxide surfaces.

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