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Research Interest and Areas:

  • Water desalination

  • Reverse Osmosis

  • Ultrathin polymer nanofilm composite membranes

  • Phase inversion

  • Interfacial polymerization

  • Transport phenomenon

  • Nanofiltration

  • Molecular separation

  • Organic solvent stable membranes

  • Materials science

Research Skills:

  • Designing dead-end and cross-flow testing systems for both aqueous and organic solvents

  • Fabrication of Ultrafiltration support via phase inversion technique

  • Fabrication of thin-film composite and nano-composite membranes via interfacial polymerization and their performance evaluation in dead-end and cross-flow system

  • Evaluation of the separation performance in nanofiltration, reverse osmosis, organic solvent nanofiltration (OSN), and organic solvent reverse osmosis (OSRO) applications

  • Thickness measurement from XPS attenuation of Au4f photoelectron intensity

  • Pore-size distribution calculation using Hydrodynamic approach

  • Morphological characterization of nanofilms using AFM, SEM, FT-IR, and TEM

  • Determine the functional characterization of nanofilms using X-ray Photoelectron Spectroscopy and data analysis software like CasaXps

  • Measurement of the strength of the nanofilms via wrinkling method

  • Measurement of nanofilm density and dry mass by using quartz crystal microbalance (QCM)

  • Measurement of the cross-section of the nanofilms using TEM ultramicrotomy

  • Proficiency in a wide range of characterization techniques (UV-Vis spectrophotometers, Zeta potential, contact angle, ICP, and IC)

  • Experiences in Roll-to-Roll Large-scale fabrication of Reverse Osmosis (RO) and Nanofiltration (NF) module

Analytical Skills

  • Transmission electron microscopy (TEM)

  • Ultramicrotomy

  • Scanning electron microscopy (SEM)

  • Quartz crystal microbalance with dissipation monitoring (QCM-D) & QCM-200

  • Atomic force microscopy (AFM)

  • Inductively coupled plasma mass spectrometry (ICP-MS)

  • Ion chromatography

  • X-ray Photoelectron Spectroscopy (XPS) and data analysis software (e.g., CasaXps)

  • Fourier transform infrared (FTIR) spectroscopy

  • Zeta Potential Measurement

  • Contact angle measurement

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