Indian Institute of Technology Madras

Rupali Nagar

Ramaprabhu Sundara

Vinayan Bhaghavathi Parambath

Vinayan Bhaghavathl Parambath

Rajalakshmi Natarajan

Methods of forming metal nanoparticle-graphene composites are provided. The methods can include mixing a metal precursor with graphite oxide in the presence of a liquid medium to form a metal precursor-graphite oxide mixture, and exfoliating the graphite oxide and reducing the metal precursor in the metal precursor-graphite oxide mixture to deposit metal nanoparticles on a first major surface of a graphene sheet formed by exfoliation of the graphite oxide.

Metal nanoparticle-graphene composites and methods for their preparation and use

Methods of forming a metal-alloy graphene nanocomposites are provided. The methods include providing a graphene substrate and forming a conducting polymer layer on a first major surface of the graphene substrate. The methods also include pyrolyzing the conducting polymer layer to form a nitrogen-doped graphene substrate and dispersing a plurality of metal-alloy nanoparticles on a first surface of the nitrogen-doped graphene substrate to form the nanocomposite.

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Rupali Nagar