Faculty
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AMIT RANJAN

Associate Professor
Department of Chemical Engineering
Rajiv Gandhi Institute of Petroleum technology
Jais, District: Amethi
UP 229304
Email: aranjan@rgipt.ac.in
https://sites.google.com/a/rgipt.ac.in/materials_science/

Education

PhD (March 2007), Department of Chemical Engineering and Materials Science, University of Minnesota. Thesis: Theoretical Studies of Equilibrium Structure and Linear Response of Diblock Copolymer Melts. Advisor: David C. Morse.

M.Tech. (1999), IIT Kanpur, India. Major in Materials Science. Area of specialization: Electronic materials. Thesis: Formation of Epitaxial Si, SiC and Nanophases of Si on Si Substrate by Ion Beam Amorphization and Thermal Annealing. Advisors: V. N. Kulkarni and Y. N. Mohapatra.

5 yr. Integrated M.Sc. (1995), IIT Kanpur, India. Major in Chemistry. Area of specialization: Physical chemistry.

Work Experience

December 2016 onwards: Associate Professor, Department of Chemical Engineering, Rajiv Gandhi Institute of Petroleum Technology Raebareli, UP, India.

May 2013-December 2016: Assistant Professor, Department of Chemical Engineering, Rajiv Gandhi Institute of Petroleum Technology Raebareli, UP, India.

May 2011-April 2013: Assistant Professor (on contract), Department of Chemical Engineering, Rajiv Gandhi Institute of Petroleum Technology Raebareli, UP, India.

July 2010-May 2011: Senior Research Associate, Department of Chemical Engineering, RGIPT, Rae Bareli.

June 2009-June 2010: Scientist, Department of Chemical Engineering, IIT Kanpur. Advisor: Prof. Ashutosh Sharma.

June 2008-March 2009: Postdoctoral researcher, FAS Center for Systems Biology, Harvard University, Cambridge, Massachusetts, USA. Advisor: Dr. Katharina Ribbeck, Asstt. Prof., MIT, Cambridge, USA.

March 2007-June 2008: Postdoctoral Researcher, Department of Chemistry at UNC Chapel Hill, USA. Advisor: Prof. Michael Rubinstein.

Research Experience

Theoretical projects:

  • Effect of block specific polydispersity in diblock copolymers on mechanical softness of polydisperse domain using numerical self consistent field theory (currently pursuing).
  • Effect of fractal substrate surface on self assembly of diblock copolymer thin films (post-doc work at IIT Kanpur).
  • Permeation of nanoparticles through hydrogels (postdoc work at Harvard University).
  • Scaling analysis of normal and shear stresses in interacting neutral and charged polymer brushes (postdoc work at UNC, Chapel Hill).
  • Used Landau theory to predict a new non-cubic orthorhombic phase in block-copolymers (PhD dissertation). This phase was recently verified experimentally.

Computational projects:

  • Formulated and used an efficient pseudo-spectral algorithm for studying the linear response and stability of microphase-segregated morphologies in block-copolymer melts (PhD dissertation). Freeware available at http://www.cems.umn.edu/research/morse/code/pscf/home.php
  • Studied the effect of block-specific polydispersity in diblock and triblock copolymer melts on their phase behavior. Constructed the phase diagrams and calculated the critical point (PhD dissertation).
  • Developed a Fortran-90 code to perform field-theoretical calculations of polymer blends using spectral method (PhD dissertation).
  • Numerically simulated the laser ablation process of graphite, barium titanate, and alumina using Monte-Carlo method and successfully predicted the time-of-arrival distribution for various species.
  • Modeled dc-discharge plasmas of single and mixed gases (M. Sc. thesis).

Experimental projects:

  • Fabrication and characterization of nnaoparticle embedded PDMS foams for oil and gas applications (ongoing).
  • Oxide nanoparticles by electrospinning route for visible light photocatalysis (ongoing).
  • Fabrication of fatty acids-polymer composite nanofibrous sheets as enclosures for thermal energy storage (ongoing).
  • Two and three dimensional fracture in soft viscoelastic and ceramic materials for fabrication of microporous materials and flexible strain sensors (completed DST project).
  • Studies on tearing generated surfaces in soft elastic network structures (postdoc work at IITK).
  • Characterization of the mucin gels extracted from Porcine Gastric Mucus, and transport of nanoparticles through it (postdoc work at Harvard University).
  • Building room temperature ex-situ Magneto-optical Kerr effect (MOKE) measurement set-up at the University of Minnesota.
  • Building a low temperature MOKE measurement set-up at the University of Minnesota.
  • Devised and executed a novel method of enforcing homo-epitaxy of silicon on silicon substrates using ion beam amorphization and thermal annealing (M.Tech. Thesis).
  • Interfacing an MOCVD machine.

Research Experience

Undergraduate level:

  • “Studies on three dimensional fracturing due to hydrostatic pressure generated under point loading in viscoelastic media for fabrication of functional mesoporous materials.”, DST, Three years, Rs. 24 Lakhs, PI.
  • “Development of New Polymeric Materials with Potential Applications in Various Areas of Petroleum Engineering” DST, Three years, Rs. 26 Lakhs, co-PI.

Grants submitted:

  • “Design and development of poly-ionic liquid membranes for sweetening of natural gas and bio-fuel production”, submitted to CHT, co-PI.

TEACHING EXPERIENCE

Undergraduate level:

  1. Materials Science: 7 offerings at RGIPT.
  2. Mechanics of Solids: 6 offerings at RGIPT
  3. Chemical Reaction Engineering: 5 offerings at RGIPT.
  4. Separation Processes: 1 offering at RGIPT.
  5. Chemical Engineering Thermodynamics: 3 offerings at RGIPT.
  6. Fluid Mechanics: 1 offering at RGIPT.
  7. Modeling, Simulation, and Optimization: 2 offerings at RGIPT.

Graduate level:

  1. Modeling and Simulation of Chemical Engineering Processes: 2 offerings at RGIPT.
  2. Equilibrium and Rheology of Polymers: 1 offering at RGIPT.
  3. Rheology of complex fluids: 1 offering at RGIPT.
  4. Materials Thermodynamics: 1 offering at RGIPT.
  5. Structure and Symmetry: (TA, at the University of Minnesota).
  6. Introduction to materials science and engineering (TA, at the University of Minnesota).
  7. Electronic Properties (TA, at the University of Minnesota).
  8. Polymer Physics I (TA, at the University of North Carolina).
  9. Polymer Physics II (TA, at the University of North Carolina).

AREAS OF INTEREST

(i) Fracture in soft viscoelastic media, (ii) nano/micropatterning of soft materials, (iii) polymer nanoparticle composites. (iv) metal oxides for photocatalysis, (v) electrospinning for nanofabrication. (vi) scaling analysis/numerical modeling of polymeric meso-structures, (vii) modeling and simulations of polymers in confined geometries, (viii) nano-particle transport through gels and mucus, (ix) rheology/microrheology.

AWARDS/HONORS

  • Best MSc Project Award at IIT Kanpur, India, 1995.
  • Best Teacher Award at RGIPT Rae Bareli, 2011.
  • Listed in Marquis Who’s Who, 2014.

PROFESSIONAL AFFILIATIONS

  • Member, American Chemical Society.
  • Member, American Physical Society.
  • Member, Materials Research Society.

LIST OF PUBLICATIONS AND PRESENTATIONS

Publications in refereed journals:

  • Improved Visible-Light Photocatalytic Activity in ZnTiO3 Nanopowder Prepared by Sol-Electrospinning, S. Perween and Amit Ranjan. Solar Energy Materials and Solar Cells (2017). (Corresponding author).
  • Composite Nanofibrous Sheets of Fatty Acids and Polymers as Thermo-regulating Enclosures, Ruchika Gupta, Soumya Kedia, Neelam Saurakhiya, Atul Sharma, and Amit Ranjan, Solar Energy Materials and Solar Cells 157, 676-685 (2016). (Corresponding author).
  • Embedded macro-porous elastomers by hydrostatic fracturing for flexible strain-sensor applications. K. Phanishwar, Shama Perween, Neelam Saurakhiya, and Amit Ranjan. J. Appl. Polymer Science, 133, 43681 (2016). (Corresponding author).
  • One-Step Fabrication of Microchannels Lined with a Metal Oxide Coating. S. Patil, A. Ranjan, T. Maitra, and A. Sharma. ACS Appl. Mater. & Interf., 8, 10494 (2016).
  • Pre-fracture instabilities govern generation of self-affine morphology in tearing of soft viscoelatic sheets. Sandip Patil, Amit Ranjan, and Ashutosh Sharma. Macromolecules 45 (4), pp 2066–2073 (2012).
  • Block copolymer lamellae on fractal surfaces. Amit Ranjan, M. Kulkarni, A. Karim, and Ashutosh Sharma, J. Chem. Phys. 136, 094903 (2012), (Corresponding author).
  • Linear response and stability of ordered phases of block copolymer melts. Amit Ranjan, Jian Qin, and David C. Morse, Macromolecules 41, 942 (2008).
  • Landau theory of the orthorhombic Fddd phase. Amit Ranjan and David C. Morse, Physical Review E. 74, 011803 (2006).
  • An efficient pseudo-spectral algorithm for the RPA response of ordered phases of block copolymer melts. Amit Ranjan and David C. Morse, Bulletin of The American Physical Society, 2006.
  • Stability of the orthorhombic Fddd phase in diblocks using Landau theory of weak crystallization. Amit Ranjan and David C. Morse, Bulletin of The American Physical Society, 2006.
  • Monte Carlo simulation of plume evolution from laser ablated graphite and barium titanate. A. Ranjan, S. Sinha and P. K. Ghosh, Chemical Physics Letters, 277, 545 (1997).

Under review :

  • Improved Visible-Light Photocatalytic Activity in ZnTiO3 Nanopowder Prepared by Sol-Electrospinning, S. Perween and Amit Ranjan. Solar Energy Materials and Solar Cells.
  • Phase Behaviour of Binary Fatty Acids Mixtures, Neelam Saurakhiya, Amit Ranjan, Atul Sharma, and Amritanshu Shukla, Journal of Calorimetry and Thermal Analysis (under review).

Conference presentations:

  • PEDJP, ISM Dhanbad 12-14 Jannuary 2017.
  • Application of Zinc Titanate Nanoparticles Prepared by Calcining the Electrospun Sol in Synthesis of Drilling Mud, IORS, Mumbai, August 2016. With S. Perween, Ravi Shankar and Shivanjali Sharma.
  • Surfactant Assisted Control of the Morphology and Mechanical Behavior in PDMS Sponge, Soumya Kedia, Pranay Asai and Amit Ranjan, MRS Fall Meeting, December 2016, Boston, USA.
  • Morphology and Mechanical Behavior control in PDMS Sponge for Applications in Oil and Gas Industry, Soumya Kedia and Amit Ranjan. Oral presentation. Indian Chemical Engineering Congress (CHEMCON), IIT Guwahati, Dec 2015.
  • Fabrication and study of composite nano-fibers using phase change materials for thermal energy storage applications”, International Conference on New Frontiers in Chemical, Energy and Environmental Engineering (INCEE-2015), NIT Warangal, Department of Chemical Engineering, 20-21 March 2015. With Ruchika Gupta.
  • Micro-fracture Development in Visco-Elastic Material Through Fluid FracturingInternational Conference on Advanced Nanomaterials and Emerging Engineering Technologies,24-26 July, 2013, Chennai (India).With Kumar Phanishwar and Ajitesh Ranjan.
  • An efficient pseudo-spectral algorithm for the RPA response of ordered phases of block copolymer melts. Amit Ranjan and David C. Morse, oral presentation in APS March 2006 Meeting, Baltimore.
  • Stability of the orthorhombic Fddd phase in diblocks using Landau theory of weak crystallization. Amit Ranjan and David C. Morse, poster presentation, APS March 2006 Meeting, Baltimore.
  • A pseudo-spectral algorithm for the RPA response of the ordered phases of the block copolymer melts, poster presentation, IPRIME Meeting, June 2006, University of Minnesota.
  • Stability of the Fddd phase in diblock copolymers using Landau theory, oral presentation, IPRIME Meeting, June 2005, University of Minnesota.
  • A novel way of epitaxial regrowth and doping of e-beam deposited Si films on c-Si. P. K. Sahoo, Amit Ranjan, Sharad Gupta, Asima Pradhan, and V. N. Kulkarni. 14th International Conference on Crystal Growth, ICCG-14, 9-13 Aug 2004, Grenoble, France.
  • Epitaxy of Si evaporated on crystalline Si by ion-beam induced amorphization and thermal treatment. P. K. Sahoo, Amit Ranjan, and V. N. Kulkarni, Proc. International Conference on Physics of Surfaces and Interfaces-2002, World Scientific 2002, Ed. B. N. Dev.
  • Role of atomic processes in mixed gas discharge plasmas. A. Ranjan and P. K. Ghosh., Proc. 13th International Conference on Plasma Science, Beijing, August 1997.
  • Possibility of eedf (electronic energy distribution function) engineering in mixed gas discharge plasmas. A. Ranjan and P. K. Ghosh. National Symposium in Plasma Science, IIT Kanpur, India, 1996.

Under preparation:

  • Nanocomposite PDMS sponge for oil and gas applications. Soumya Kedia and Amit Ranjan.
  • Effect of polydispersity on the mechanical softness of the microdomains in the ordered phases of diblock copolymer melts. Amit Ranjan.

Conferences/Presentations/Workshop attendeds::

  • 3rd FAPS Polymer Congress and Macro-2013, 15-18 May 2013, IISc Bangalore.
  • 7th Summer School on Petroleum Refining and Petrochemicals, 4-8 June 2012, IiPM Gurgaon.
  • 12th International Workshop on Physics of Semiconductor Devices, 19-22 December, 2011, IIT Kanpur.
  • 6th Proficiency Course on “Modern Practices in Petroleum Production”, 6th-10th September 2010,  DMIPE, Dehradun.
  • Gordon Research Conference on Polymer Physics, July 23-28, 2006, New London, Connecticut. Poster presentation.
  • International conference on Swift Heavy Ions in Materials Engineering and Characterization, Nuclear Science Centre, New Delhi,Oct 19-23, 1998.
  • Winter School in Statistical Mechanics and its Chemical Applications, IIT Bombay, December 1994.

M. Tech. Supervision

  1. Ms. Ruchika Gupta (2013-15).

Ph.D. Supervision

  1. Ms. Shama Perween (ongoing)
  2. Mr. Somendra Singh (ongoing)

Experimental Skills

  (i) Optical/fluorescence microscopy, (ii) TEM, (iii) Rheology, (iv) SEM,  (v) Column filtration,
(vi) Magneto-optic Kerr effect, (vii) High vacuum systems, (viii) Electron beam deposition,
(ix) Rutherford Backscattering Spectrometry, (x) Molecular Beam Epitaxy, (xi) Energetic Ion Beams, (xii) Labview, (xiii) Electrospinning, (xiv) Universal Testing Machine, (xv) Rheometer.

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