Can any let me know the simple way to introduce a NH2 (amine) group on carbon electrode?

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Amin Fatoni

Maybe you can use the thiourea by dipping & electrodepositing it on you carbon electrode. Please see the example paper here:

http://www.sciencedirect.com/science/article/pii/S0013468611006396

Om Prakash

thank you Nihan Aydemir for sharing infromation. Could you let me know how can I introduce carboxylic group and then amine group? I mean is there any chemical for COOH and amin?