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Ultrafast dynamics of Exciton and Polariton in TMDC nanotubes:
The photonic cavity modes in WS2 nanotubes can controlled by tuning the diameters. The intrinsic excitons can interact with those cavity modes and generate polaritonic states. WS2 nanotubes shows pure excitons in small diameter (< 60 nm) nanotubes whereas larger nanotubes ( > 80 nm) shows polaritonic behaviour.
DNA based nano-Sensors and Plasmonic Ruler::
The nonlinear effects plasmon can be controlled using DNA as spacer, between different plasmonic materials and can be used as a sensor for different materials. The efficient response in electromagnetic radiations of the plasmonic materials works in a broad range. This property can be used as ruler for sensing of biological materials.
Ultrafast Pump-Probe Microscopy (Modulated Thermoreflectance):
The ultrafast dynamics of plasmon can be used for super-resolution imaging. This method is much broader than the existing super-resolution fluorescence technique.
Interests:
Theoretical investigation of Quantum Confinement
Designing and optimization of Nanoarchitecture for the applications in Biotechnology and Sensor Technology
Magnetic Nanomaterials and Polymer-based nano-composite for Biomedical Imaging
Super-resolution Microscopy for Fluorescence and Raman Microscopy
Photodynamic therapy for Cancer and Multi-Drug Resistance Bacteria
Multi-programming interface for advanced analysis
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