The role of copper decorating poly (1,8-diaminonaphthalene) graphene electrodes as a catalyst in the determination of nitrite

Electroactive poly(1,8-diaminonaphthalene) is known to have a high affinity for metal ions thanks to amine and imine groups in the polymer chain. However, electrochemical sensors based on pristine P(1,8-DAN) have a major drawback concerning its poor electrical conductivity.