Physics Experts

Achchhe Lal Saroj

Teaching Assistant
Department of physics
Banaras Hindu University


Awards and Fellowships : 2004 Certificate awarded for qualifying National Eligibility Test (NET) conducted by UGC-CSIR, New Delhi. 2004 Certificate awarded for qualifying Graduate Aptitude Test in Engineering (GATE) conducted by I.I.T., Delhi. Academic Qualifications: S. No. Degree Institution Year 1. B.Sc. Purvanchal University, Jaunpur 2000 2. M.Sc. Purvanchal University, Jaunpur 2003

Research Interest

I am doing research work on solid state ionic materials (solid polymer electrolytes doped with salt/ or Ionic Liquids) for developing solid state ionic devices such as batteries, fuel cell, super capacitors etc. Solid polymeric electrolytes continue to attract research interest due to their important properties (such as electrical, thermal and mechanical etc.) which makes them suitable for various electrochemical and technological applications. Recently, incorporation of ionic liquids (ILs) in polymers is being attempted because it can act both as plasticizer and ion supplying material which collectively enhance the ionic conductivity of the polymer electrolyte system. ILs generally consists of a bulky organic cation and an inorganic or organic anion, and is liquid at room temperature. ILs is non-flammable, recyclable, higher thermal & chemical stability and exhibit low vapor pressure, which reduces the possibility of air pollution and loss of materials at ambient conditions. Polymer electrolyte films based on polymer/salt/ionic liquid was prepared using solution cast technique/hot press technique. These films were characterized using TGA, DSC, XRD, FT-IR and ac impedance spectroscopic techniques.


  • A.L. Saroj, R.K. Singh, �Studies on ionic liquid 1-ethyl-3-methyl imidazolium ethylsulphate complexed with PVA� Journal of Phase Transitions (2011), Volume 84, p. 231-242.

  • A.L. Saroj, R.K. Singh, �Thermal, dielectric and conductivity studies on PVA/Ionic liquid [EMIM][EtSO4] based polymer electrolytes.� Journal of Physics and Chemistry of Solids (2011), Volume 73, p. 162-168.

  • A.L. Saroj, R.K. Singh, S. Chandra, �Studies on polymer electrolyte poly(vinyl) pyrrolidone (PVP) complexed with ionic liquid: Effect of complexation on thermal stability, conductivity and relaxation behaviour� Mater. Sci. Eng. B (2012),

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