Indian Institute of Technology Madras

Ramaprabhu Sundara

Tessy Theres Baby

Jyothirmayee Aravind Sasidharannair Sasikaladevi

Rupali Nagar

Eswaraiah Varrla

Krishnan Balasubramanian

Ashish Kumar Mishra

Adarsh Kaniyoor

Sangeetha Vellaichamy

Abinaya Shunmugam

Rajalakshmi Natarajan

Vinayan Bhaghavathi Parambath

Sathish Kumar Srinivasan

Vinayan Bhaghavathl Parambath

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 graphene functionalized carbon nanotube polymer composites are provided. The methods can include functionalizing a plurality of carbon nanotubes using conducting functional molecules to form a composite nanofiller and embedding the composite nanofiller within a polymer material to form the graphene functionalized carbon nanotube polymer composite.

Graphene functionalized carbon nanotube polymer composites and methods for their preparation and use

Procedures for the synthesis of zero dimension GQDs based on exfoliation/reduction of surface passivated functionalized graphite oxide (f-GO PEG) are described. The synthesis procedures can include exfoliation/reduction f-GO PEG in presence of hydrogen gas, using focused solar radiation and under vacuum.

Graphene quantum dots, their composites and preparation of the same

Methods of forming a diatom-based nanocomposite are provided. The methods include mixing at least one diatomic material, one or more metal precursors, and functionalized graphite oxide to form a mixture. The methods also include exfoliating the mixture in presence of hydrogen to reduce functionalized graphite oxide to graphene and reducing the one or more metal precursors to metal nanoparticles. The methods further include depositing the metal nanoparticles on the diatomic material to form the diatom-based nanocomposite.

Diatom-based nanocomposites, 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.

Metal-alloy graphene nanocomposites and methods for their preparation and use

Nanocomposite adsorbent materials and methods for their preparation and use are described. As an example, a polyaniline-graphite nanoplatelet nanocomposite may be used to adsorb carbon dioxide.

Polyaniline-graphite nanoplatelet materials

The embodiments herein relate to a conduit comprising an insulating material in a form of a tube having an inner surface and an outer surface, the inner surface having carbon nanotubes.

Nerve guide conduit containing carbon nanotubes

Disclosed are nanocomposite-based biosensors. The biosensors include an electrode, a nanocomposite over the surface of the electrode, the nanocomposite comprising a population of carbon nanotubes and a population of magnetic nanoparticles dispersed in the population of carbon nanotubes, wherein the magnetic nanoparticles comprise a ferromagnetic metal or compound thereof, and one or more biomolecules over the surface of the electrode, wherein the biomolecules are capable of undergoing a redox reaction with a target molecule. Also disclosed are nanocomposites, modified electrodes, kits, and methods for using the biosensors.

Nanocomposite based biosensors and related methods

Methods for converting graphite oxide into graphene by exposure to electromagnetic radiation are described. As an example, graphene oxide may be rapidly converted into graphene upon exposure to converged sunlight.

Growing community of inventors

Chennai, India

Ramaprabhu Sundara