My research interests include synthesis, characterization, modifications, properties, and assemblies of novel graphitic carbon nanomaterials (Graphene and its derivatives, carbon nanotubes with aligned arrays and doped arrays, heteroatom-doped graphene/CNTs, carbon onions, carbon nanocoils, carbon spheres, etc.), 2D analogous inorganic layered materials (MoS2, WS2, BN, MXenes, g-C₃N₄, etc.), and 3D graphene-metal oxide/graphene-CNTs hybrids, etc. for use in multi-functional applications, especially for energy (energy storage/conversion), sensing, and EMI shielding. Some more details are given below

Research Expertise

• Synthesis of novel graphene-based materials

• Synthesis of graphitic carbon nanomaterials (graphene and its derivatives, carbon nanotubes) using CVD, arc-discharge, and solvothermal methods

• Development and optimization of graphene formation from graphite oxide/graphene oxide via chemical, thermal, and microwave reduction techniques

• Synthesis of 3D graphene–metal hybrid nanostructures using CVD, arc-discharge, laser, microwave, and solvothermal routes

• Synthesis of heteroatom-doped graphene-based materials through various synthetic approaches

• Intercalation-assisted layer separation of inorganic layered materials

• Reduction of graphene derivatives via thermal, chemical, photothermal, and photochemical methods

• Chemical functionalization of graphene derivatives and carbon nanotubes (CNTs)

• Direct laser writing on free-standing graphite oxide thin films (µm thickness) and polyimide (PI) films for energy-related microdevices

• Synthesis of 2D inorganic layered materials and their composites

• MXenes and their composite materials

• Transition metal dichalcogenides (TMDs) such as MoS₂, WS₂, etc.

• Exfoliation of 2D inorganic layered materials (BN, LDH, g-C₃N₄, etc.)

Applications of Carbon-Based Composites/Hybrid Materials

• Energy storage: supercapacitors and batteries

• Energy conversion: fuel cells and solar cells

• Electrochemical and gas sensing

• Electromagnetic interference (EMI) shielding and microwave absorption

• Field emission devices