
Research Interest and Areas:
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Water desalination
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Reverse Osmosis
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Ultrathin polymer nanofilm composite membranes
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Phase inversion
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Interfacial polymerization
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Transport phenomenon
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Nanofiltration
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Molecular separation
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Organic solvent stable membranes
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Materials science
Research Skills:
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Designing dead-end and cross-flow testing systems for both aqueous and organic solvents
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Fabrication of Ultrafiltration support via phase inversion technique
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Fabrication of thin-film composite and nano-composite membranes via interfacial polymerization and their performance evaluation in dead-end and cross-flow system
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Evaluation of the separation performance in nanofiltration, reverse osmosis, organic solvent nanofiltration (OSN), and organic solvent reverse osmosis (OSRO) applications
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Thickness measurement from XPS attenuation of Au4f photoelectron intensity
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Pore-size distribution calculation using Hydrodynamic approach
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Morphological characterization of nanofilms using AFM, SEM, FT-IR, and TEM
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Determine the functional characterization of nanofilms using X-ray Photoelectron Spectroscopy and data analysis software like CasaXps
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Measurement of the strength of the nanofilms via wrinkling method
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Measurement of nanofilm density and dry mass by using quartz crystal microbalance (QCM)
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Measurement of the cross-section of the nanofilms using TEM ultramicrotomy
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Proficiency in a wide range of characterization techniques (UV-Vis spectrophotometers, Zeta potential, contact angle, ICP, and IC)
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Experiences in Roll-to-Roll Large-scale fabrication of Reverse Osmosis (RO) and Nanofiltration (NF) module
Analytical Skills
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Transmission electron microscopy (TEM)
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Ultramicrotomy
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Scanning electron microscopy (SEM)
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Quartz crystal microbalance with dissipation monitoring (QCM-D) & QCM-200
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Atomic force microscopy (AFM)
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Inductively coupled plasma mass spectrometry (ICP-MS)
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Ion chromatography
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X-ray Photoelectron Spectroscopy (XPS) and data analysis software (e.g., CasaXps)
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Fourier transform infrared (FTIR) spectroscopy
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Zeta Potential Measurement
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Contact angle measurement