Abstract

Electrochemiluminescence (ECL) has received considerable attention due to its versatility, simplified device, and good temporal and spatial control. In recent years, with the rapidly emerging research fields of nanoscience and nanotechnology, various nanomaterials have been introduced into the fabrication of ECL sensors. This chapter gives an overview on the recent developments of novel nanomaterials in ECL sensors. It briefly covers (i) the fundamentals of ECL including ion annihilation pathway, coreactant pathway, ECL of luminol, and ECL of quantum dots and (ii) nanomaterials including carbon-, silica-, metal-, and quantum dot-related ECL sensors. In the second part, the important factors such as the types of nanomaterials, various fabrication procedures, and typically analytic applications are concluded. Finally, the future trend of nanomaterial-based ECL sensors is discussed.

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