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Electrochemiluminescence with semiconductor (nano)materials

Abstract : Electrochemiluminescence (ECL) is the light production triggered by reactions at the electrode surface. Its intrinsic features based on a dual electrochemical/photophysical nature have made it an attractive and powerful method across diverse fields in applied and fundamental research. Herein, we review the combination of ECL with semiconductor (SC) materials presenting various typical dimensions and structures, which has opened new uses of ECL and offered exciting opportunities for (bio)sensing and imaging. In particular, we highlight this particularly rich domain at the interface between photoelectrochemistry, SC material chemistry and analytical chemistry. After an introduction to the ECL and SC fundamentals, we gather the recent advances with representative examples of new strategies to generate ECL in original configurations. Indeed, bulk SC can be used as electrode materials with unusual ECL properties or light-addressable systems. At the nanoscale, the SC nanocrystals or quantum dots (QDs) constitute excellent bright ECL nano-emitters with tuneable emission wavelengths and remarkable stability. Finally, the challenges and future prospects are discussed for the design of new detection strategies in (bio)analytical chemistry, light-addressable systems, imaging or infrared devices.
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Submitted on : Friday, May 6, 2022 - 11:50:02 AM
Last modification on : Tuesday, May 10, 2022 - 11:04:08 AM
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Yiran Zhao, Laurent Bouffier, Guobao Xu, Gabriel Loget, Neso Sojic. Electrochemiluminescence with semiconductor (nano)materials. Chemical Science , The Royal Society of Chemistry, 2022, 13 (9), pp.2528-2550. ⟨10.1039/d1sc06987j⟩. ⟨hal-03592698⟩



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