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Plasmon enhanced photocatalysis for sustainable energy:

Plasmonic metallic nanostructures are often preferred as possible solar light harvesters for photocatalytic reactions as they can concentrate/enhance incident electromagnetic field intensity/light as much as 1000 times in the near field (within 50 nm) due to localized surface plasmon resonance (LSPR). Our research objective is to understand the detailed mechanism of plasmon enhanced photocatalysis then apply that knowledge to design suitable photocatalytic systems for important reactions like efficient solar energy conversion via CO2 reduction or water dissociation.

gfepc

PDMS sponge with nanocatalysts for waste water treatment:

PDMS sponges are suitable substrate for selective absorption of oils and organic solvents from water and can be elastically deformed into any shape, and can be compressed repeatedly in air or liquids without collapsing enabling excellent recyclability. In our lab we work on enhancing those sponges by incorporating nanocatalysts making them suitable for photocatalytic and antibacterial activities, thus promoting potential in environmental applications.

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Surface plasmons in 2-D materials:

Two-dimensional layered nanomaterials like graphene, molybdenum disulphide or boron nitrides show similar properties like plasmonic nanomaterials with potential applications in fluorescence energy transfer based sensing/imaging or also photo-thermal therapy. We aim to understand plasmonic like properties of these 2-D materials and then develop their applications in both biological and energy conversion field.