Research

  • Research Interest

  • Growth and characterization of various nanomaterials including nanocomposites, nano/microstructured advanced functional polymers, metal and metal oxide/semiconductor nano-architectures, etc.

  • Use of such nanomaterials for multiple applications like energy conversion, energy storage devices (i.e., solar cells, nanogenerators, fuel cells, batteries, supercapacitors, and hybrid systems, etc.), photocatalytic, and sensing prototype device, etc.

Topics Investigated until now
  • Nano/micro-architectured polymers, flexible textile-based electrodes, and composite materials for high-performance, flexible and wearable Triboelectric or hybrid Nanogenerators.
  • Antireflective and self-cleaning layers to improve the power conversion efficiency of various solar cells such as Silicon, Dye-sensitized, Perovskite, and Organic solar cells.
  • Photocatalytic materials for anti-reflective, plasmonic photocatalytic, and self-cleaning coatings.
  • Technical Expertise

Processing techniques [Hands-on experiance]

  • Patterning: Soft imprint lithography, photolithography, thermal imprint lithography.

  • Vacuum deposition techniques: RF/DC magnetron sputtering, plasma-enhanced chemical vapour deposition, electron-beam, and thermal evaporation.

  • Chemical Synthesis: Chemical bath deposition, co-precipitation, anodization (electrochemical oxidation process), electro-deposition, electro-polishing, etc.

  • Etching: Inductively coupled plasma-reactive ion etching (ICP-RIE), wet chemical etching.

Characterization Techniques [Hands-on experiance]

  • Material characterization: Scanning electron microscope (SEM), atomic force microscopy (AFM), UV-vis-NIR Spectrophotometer, 3D laser scanning confocal microscope.

  • Electrical measurements: Solar simulator, QE measurement, digital phosphor oscilloscope (DPO4104, Tektronix), Keithley 6514, Keithley 2000, and Keithley 6487 electrometers were used to examine the output performance of solar cells and nanogenerators.

Software Skills

  • Simulation software’s: DiffractMod (RSoft, RCWA method), FullWave (Rsoft, FDTD method), basics of Finite Element Simulation tool (FET; COMSOL Multiphysics).

  • 3D Modeling and Data analysis software’s: Autodesk 3ds Max, Origin, and Matlab.