doping carbon based materials with Nitrogen increases their conductivity in electrochemical studies.What should be the possible mechanism for this?
Sergei Chernyak
Dear Munaiah!
Actually, conductivity of N-carbons should depends on the type of N-atoms in carbon structure. But in the case of substitutional N it is clear: nitrogen atoms have one excess electron. This electron moves to the carbon surface making it electron-riched and conductivity grows.
You can read this review for detailed information: CARBON 48 (2010) 575 – 586
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