Regulating optoelectronics of carbon dots with redox-active dopamine

Aradhana Panigrahi,Ranjan Kumar Behera,Leepsa Mishra,Priyanka Dubey,Soumi Dutta,Manas Kumar Sarangi

Talanta Open（2023）

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摘要

•Undoped carbon dots (UCDs) show unique optical features than amine doped CDs (ACDs).•Electron transfer (ET) efficiency is more for ACDs with dopamine (DA) than UCDs.•ET rate increases for both the CDs in basic pH due to quinone form of DA.•DA insertion in both the CDs improves their local conductance.•Acidic pH enhances their current revealing an alteration in conduction mechanism.

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关键词

Electron transfer,Carbon dots,Dopamine,Conducting atomic force microscopy,Tunneling mechanism

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