Purnendu Parhi

He holds the position of Assistant Professor in the Department of Chemistry. He has more than 10 years of teaching and research experience in the field of materials chemistry. He has 45 publications in peer review journals to his credit. He completed Master and PhD from IIT Delhi. The thesis work was based on studies of biologically active phosphates and related compounds. His first postdoctoral work at Colorado State University, USA (2007-2008) was on synthesis of industrially important ceramics with microwave mediated green chemistry route. Later on, he moved to Pennsylvania State University, USA (2008-2010) where he worked on protein adsorption on surface modified particles. He was also a Raman Postdoctoral Fellow at Rutgers State University, USA (2016-2017) where he worked on Hydrothermal Vapour Phase Synthesis (HVS) of ceramics. He has received R.C Tripathy Young scientist award in 2015 from Orissa Chemical Society. His current research interest is focused on designing nano-materials for photocatalysis and electrocatalysis study.

Selected Publications

  1. S. Mishra, A. K. Debnath, K. P. Muthe, N. Das, P. Parhi, Rapid synthesis of Tetragonal Zirconia Nanoparticles by Microwave Solvothermal Route and its Photocatalytic Activity Towards Organic Dyes and Hexavalent Chromium in Single and Binary Components Systems, Colloids and Surfaces A, 608 (2021) 125551-62.
  2. S. Mishra, S. S. Sahoo, A. K. Debnath, K. P. Muthe, N. Das, P. Parhi, Cobalt Ferrite Nanoparticles Prepared by Microwave Hydrothermal Synthesis and Adsorption Efficiency for Organic Dyes; Isotherm, Thermodynamics and Kinetic Studies, Advance Powder Technology, 31 (2020) 4552-4562.
  3. S. Soren, B. D. Mohaptra, S. Mishra, A. K. Debnath, D. K. Aswal, K. S. K. Varadwaj, P. Parhi, Nano Ceria Supported Nitrogen Doped Graphene as Highly Stable and Methanol Tolerant Electrocatalyst for Oxygen Reduction. RSC Advances, 6 (77) (2016) 100–77104.
  4. M. Bessoi, S. Soren, P. Parhi, Rapid Microwave Mediated Hydrothermal Synthesis of Complex Ternary Fluorides, Ceramics International, 42 (2016) 3697–3700.
  5. S. Soren, M. Bessoi, P. Parhi, A Rapid Microwave Initiated Polyol Synthesis of Cerium Oxide Nanoparticles Using Different Cerium Precursors, Ceramics International, 41 (2015) 8114-8118.

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Academics

Nano- Biomaterials Lab

Ph. D.

1 .Siba Soren

He is a RGNF Fellow

Ph. D. Awarded in 2019

Thesis Title: Synthesis of Metal Oxides and their Surface Modifications for Electrochemical and Biological Studies.

He completed his M.Sc in chemistry in 2012 from Ravenshaw University.

Email: siba.soren89@gmail.com , Ssoren.phd@ravenshawuniversity.ac.in

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2. Arundhati Barik

Ph.D awarded in 2017

Thesis Title:  Synthesis, Characterization And Evaluation of New Stimuli Responsive Carrier Materials For The Controlled Release of Therapeutic Agents.

Email: arundhati.86@gmail.com

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3. Swarna Prava Mantry

CSIR Fellow

Ph.D awarded in 2020

Thesis Title: Understanding The Electrocatalytic Behaviour of Nanostructured Manganese Oxide@ Graphene based Hybrid materials towards Oxygen Reduction Reaction.

Email: spmantry@gmail.com

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4. Sanjibani Mishra

Ph. D. Awarded in 2020

Thesis Title:  UV-Vis Light Responsive Metal Oxide Nanocomposite as Photo Catalyst.

She completed her MSc in chemistry in 2012 from North Orissa University.

Email: sanjibani789@gmail.com

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5. Rakesh Ranjan Mahalik

Ph. D. Continuing

His research is based on “Electrocatalytic Oxygen Reduction on Rare Earth Metal based Electrocatalysts“. 

He completed his MSc in chemistry in 2014 from National Institute of Technology Raipur.

Email: rakeshvnit9@gmail.com

Untitled design (1)

6. Ipsha Hota

Ph. D. Continuing

Her research is based on “Optimization of Various Nano Rare Earth Metal Oxides Based System as Electrocatalyst for Oxygen Reduction Reactions”.

She completed her MSc in chemistry in 2016 from Ravenshaw University.

E-mail: ipshahota66@gmail.com Ipshahota.chem@ravenshawuniversity.ac.in

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7. Debendra Behera

Ph. D. Continuing

Email: debendrabehera04@gmail.com

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8. Bibhuti Bhusan Nayak

Ph. D. Continuing

Email: debendrabehera04@gmail.com

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Research

Our group is working on synthesis of active rare earth based electrocatalyst with ORR activity. We are studying the catalytic activity of transition metal doped rare earth metal oxide-carbon nanocomposites synthesized by microwave mediated method.  Changing the transition metal doping percentage, we are studying its effect on ORR activity. It is expected that the enhancement in ORR activity could be due to factors, such as; (a) electronic interaction between the hetero-metal atom dopant and metal oxide or (b) presence of multiple metal centre as active site or (c) simultaneous presence of both factors (a) and (b). 

Our group is working on the synthesis of metal oxides, vanadates nanoparticles via microwave assisted hydrothermal synthesis. Different dyes are chosen as a model pollutant to evaluate the photocatalytic activity of the prepared nanoparticles in aqueous medium under visible / UV light irradiation. Since larger part of sunlight carries visible radiation, our aim is to fabricate novel photocatalysts (by tuning the band gap) with considerable photocatalytic activity under visible light irradiation.

We are also studying the toxicology and antibacterial activity of the nanoparticles (CeO2, ZnO, CeVO4) prepared by different methods. In vitro toxicology study of the synthesized nanoceria particles has shown good free radical scavenging activity for NO and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical assayed within a concentration range of 25 to 75 ng ml−1. ZnO nanoparticles synthesized by the polyol method showed better MIC values against both Gram-positive and Gram-negative bacteria as compared to particles synthesized by aqueous precipitation method.

RESEARCH GRANTS Completed

  1. Title: “Surface Modified nanoparticle as synthetic analogous of metalloenzymes for efficient redox processes”

            Sponsoring Agency: DST Fast Track,

            Grant amount: INR 25, 00, 000/− 

            Role: Principal Investigator

  1. Title: “Microwave mediated synthesis of inorganic solids”

            Sponsoring Agency: UGC 

           Grant amount: INR 8,60,000/− 

            Role: Principal Investigator

  1. Title “Synthesis of ZnO, TiO2 CeO2 nanoparticle and their surface modification for free radical scavenging and toxicology study” 

            Sponsoring Agency: BRNS 

            Grant amount: INR19,00,000/−

             Role: Principal Investigator

  1. Title “Optimization of Various Nano Rare Earth Metal Oxides Based System as Electrocatalyst for Oxygen Reduction Reactions”

            Sponsoring Agency: SERB 

            Grant amount: INR 32,00,000/− 

             Role: Principal Investigator   

Publications

  1. Electrochemically generation of hydrogen peroxide from molecular oxygen by BaSm2O4/carbon composite, RR Mahalik, P Parhi, Materials Today: Proceedings (2021) In Press. 
  2. Rapid synthesis of tetragonal zirconia nanoparticles by microwave-solvothermal route and its photocatalytic activity towards organic dyes and hexavalent chromium in single and binary component system,S Mishra, AK Debnath, KP Muthe, N Das, P Parhi, Colloids and Surfaces A: Physicochemical and Engineering Aspects  608 (5) (2021) 125551-125558. 
  3. Cobalt ferrite nanoparticles prepared by microwave hydrothermal synthesis and adsorption efficiency for organic dyes: Isotherms, thermodynamics and kinetic studies, S Mishra, SS Sahoo, AK Debnath, KP Muthe, N Das, P Parhi, Advanced Powder Technology 31 (11) (2020) 4552-4562. 
  4. Electrocatalytic production of hydrogen‐peroxide from molecular oxygen by rare earth (Pr, Nd, Sm or Gd) oxide nanorods, I Hota, AK Debnath, KP Muthe, KSK Varadwaj, P Parhi, Electroanalysis 32 (11) (2020) 2521-2527. 
  5. A synergistic approach of Vulcan carbon and CeO2 in their composite as an efficient oxygen reduction reaction catalyst, I Hota, AK Debnath, KP Muthe, KSK Varadwaj, P Parhi, Journal of Applied Electrochemistry 50 (10) (2020) 1069-1077. 
  6. Towards Synergy of rGO and Ni doped CeO2 in their copmposite as Efficient Catalyst for Oxygen Reduction Reaction, I.Hota, A.K. Dabnath, K.P. Muthe, K.S.K. Varadwaj, P.Parhi, ChemistrySelect  5(22) (2020) 6608-6616. 
  7. Rapid microwave assisted hydrothermal synthesis cerium vanadate nanoparticle and its photocatalytic and antibacterial studies, S Mishra, M Priyadarshinee, AK Debnath, KP Muthe, BC Mallick, N Das, P Parhi, Journal of Physics and Chemistry of Solids 137 (2019) 109211-109220. 
  8. Potentiostatic regeneration of oxygen reduction activity in MnOx@ graphene hybrid nanostructures, S. P Mantry, B. D Mohapatra, N. Behera, P. Mishra, P. Parhi, KSK Varadwaj, Electrochimica Acta 325 (2019) 134947-13958. 
  9. Mn-doped ceria/reduced graphene oxide nanocomposite as an efficient oxygen reduction reaction catalyst, I Hota, S Soren, B.D. Mohapatra, AK Debnath, KP Muthe, KSK Varadwaj, P Parhi, Journal of Electroanalytical Chemistry 851, (2019) 113480-113489. 
  10. Oxygen Reduction Reaction Activity of Microwave Mediated Solvothermal Synthesized CeO2/g-C3N4 Nanocomposite, S. Soren, I. Hota, A. K. Debnath, D. K. Aswal, K. S. K. Varadwaj, P. Parhi, Frontiers in Chemistry 7 (2019) 403-413. 
  11. Evaluation of antibacterial and antioxidant potential of the zinc oxide nanoparticles synthesized by aqueous and polyol method, S. Soren, S. Kumar, S. Mishra, P. K. Jena, S. K. Verma, P. Parhi, Microbial Pathogenesis 119 (2018) 145-151. 
  12. Rapid microwave – Hydrothermal synthesis of CeO2 nanoparticles for simultaneous adsorption/photodegradation of organic dyes under visible light, S. Mishra, S. Soren, A. K. Debnath, D.K. Aswal, N. Das, P. Parhi, Optik – International Journal for Light and Electron Optics 169 (2018) 125–136. 
  13. Synthesis and Characterization of New shellac–Hydroxypropylmethylcellulose Composite for Pharmaceutical Applications, A Barik, T Patnaik, P Parhi, SK Swain, RK Dey, Polymer Bulletin 74 (9) 2017 3467-3485. 
  14. Nano ceria supported nitrogen doped graphene as a highly stable and methanol tolerant electrocatalyst for oxygen reduction, S. Soren, B. D Mohaptra, S. Mishra, A. K Debnath, D. K Aswal, KSK Varadwaj, P. Parhi, RSC Advances 6 (80) (2016)  77100-77104. 
  15. Rapid Microwave Hydrothermal Synthesis of Complex Metal Fluoride, M. Bessoi, S. Soren, P.Parhi, Ceramic International 42 (2) (2016) 3697-3700. 
  16. Experimental and theoretical studies on localized surface plasmon resonance based fiber optic sensor using graphene oxide coated silver nanoparticle. J. K. Nayak, P. Parhi, R. Jha, Journal of Physics D:Applied Physics 49 (28) (2016) 28510. 
  17. Graphene oxide encapsulated gold nanoparticle based stable fibre optic sucrose sensor, J. K. Nayak, P. Parhi,  R. Jha, Sensors and Actuators B: Chemical 221 (2015) 835-841. 
  18. Antioxidant potential and toxicity study of the cerium oxide nanoparticles synthesized by microwave mediated synthesis, S. Soren, S.R Jena, L. Samant, P.Parhi, Applied Biochemistry and Biotechnology 177 (1) (2015) 148-161. 
  19. A Rapid Microwave initiated Polyol synthesis of cerium oxide nanoparticle using different cerium precursors, S. Soren, M. Bissoi, P.Parhi, Ceramic International 41(6) (2015) 8114-8118. 
  20. Contact Activation of Blood Plasma and Factor XII by Ion Exchange Resins, C. H. J. Yeh, Z. O. Dimachkie, A. Golas, A. Cheng, P.Parhi, E. A. Vogler, Biomaterials 33(1) (2012) 9-19. 
  21. Volumetric Interpretation of Protein Adsorption: Interfacial Packing of Protein Adsorbed to Hydrophobic Surfaces from Surface Saturating Solution Concentrations, P. Kao, P. Parhi, A. Krishnan, H. Noh, W. Haider, S. Tadigadapa, D. L. Allara, E. A. Vogler, Biomaterials 32 (2011) 969-978. 
  22. Surface Energy Dependent Contact Activation of Blood Factor XII, A. Golas, P. Parhi, Z. O. Dimachkie, C.A. Siedlicki, E. A. Vogler, Biomaterials 31 (2010) 1068-1079.
  23. Role of Proteins  and Water  in the Initial  Attachment  of Mammalian  Cells to Biomedical Surfaces: A Review, P. Parhi, A. Golas, E. A. Vogler, Journal of Adhesion Science and Technology 24 (2010) 853-888.
  24. Crystallization of Calcium Vanadate Solids from Solution: A Metathetic Route, P.Parhi, S. Upreti, A. Ramanan, Crystal Growth and Designing 10 (2010) 5078.
  25. Volumetric Interpretation of Protein Adsorption: Capacity Scaling with Adsorbate Molecular Weight and Adsorbent Surface Energy,  P. Parhi, A. Golas, N. Barnthip, H. Noh, E. A. Vogler, Biomaterials 30 (2009) 6814-6824.
  26. Thickness-controlled  hydrophobicity  of  fibrous  Parylene-C  films,  L.  Wei,   P. Parhi, Erwin A Vogler, Timothy M Ritty, Akhlesh Lakhtakia, Materials Letters 64(9), (2010) 1063-1065.
  27. Volumetric Interpretation of Protein Adsorption: Kinetics of Protein-Adsorption Competition from Binary Solution, N. Barnthip, P. Parhi, E. A. Vogler, Biomaterials 30 (2009) 6495-6513.
  28. Novel Microwave Mediated Synthesis of Zn2SiO4 and MCrO4 (M = Ca,Sr,Ba,Pb),P. Parhi and V. Manivannan, Journal Alloys and Compounds 469 (2009) 558-564.
  29. Synthesis   and   Characterization   of   M3V2O8    (M=Ca,Sr,Ba)   by   solid   state metathesis  approach,   P.  Parhi, V.  Manivannan,  Sandeep  Kohli  and  Patrick McCurdy, Bulletin Materials Science 31 (2008) 885-890.
  30. Synthesis and Characterization of zirconium diphosphate by Microwave mediated Metathesis Approach,  P. Parhi,  Jon Kramer, V. Manivannan, Mater. Sci. Eng. 153 (2008) 53-56.
  31. Novel Solution Phase Metathetic Pathway for the Synthesis of MnV2O6.H2O, P. Parhi, V. Manivannan, Mater Res. Bull. 43 (2008) 2966-2973.
  32. Novel Microwave Mediated Solid-State Metathesis Synthesis and Characterization of Lanthanide Phosphates and Vanadates, LMO4 (L = Y, La and M = V, P), P. Parhi, V. Manivannan, Solid State Science 10 (2008) 1012-1019.
  33. Microwave   Initiated  Hydrothermal   Synthesis  of  Nano-sized   complex  metal fluorides  KMF3   (M  =  Zn,  Mn,  Co  and  Fe),   P. Parhi,   Jon  Kramer  and  V. Manivannan, J. Mater. Sci. 43 (2008) 5540-5545.
  34. Synthesis and Characterization of Metal Tungstate by Novel Solid State Metathetic Approach,  P. Parhi, T.N. Karthik, V. Manivannan, Journal of Alloys and Compounds 465 (2008) 380-386.
  35. Novel  Microwave  Mediated  Solid-State  Metathesis  Synthesis  of  KMF3   (M  = Zn,Mn, Mg,  Co),  P. Parhi, V. Manivannan, Materials Letter 62 (2008) 3468-3470.
  36. Mechanochemical Metathetic Synthesis and Characterization of Nano Structure MnV2O6.XH2O (X = 2, 4), V. Manivannan, P. Parhi, John Howard, J. Cryst. Growth 310 (2008) 2793-2799.
  37. Microwave  Mediated  Metathesis  Synthesis  of  Zinc  Chromate,   P.  Parhi,  V. Manivannan, J. European Ceram. Soc. 28 (2008) 1665-1670.
  38. Room   temperature   metathetic   synthesis   and  characterization   of  α-hopeite, Zn3(PO4)2·4H2O, P. Parhi, V. Manivannan, Sandeep Kohli, Patrick McCurdy, Materials Research Bulletin 43 (2008) 1836-1841.
  39. Metathetic  Reaction  in  Reverse  Micelles:  Synthesis  of  Alkaline  Earth  Metal Phosphate Nanorods,  P. Parhi, A. Ramanan, A.R. Ray, J. Amer. Ceram. Soc. 90 (2007) 1237-1242.
  40. Nanocrystalline   powders   of   alkaline   –earth   phosphate   as   precursors   for bioceramics,   P. Parhi,  A.  Ramanan  and  A.R.  Ray,  Amer.  J.  Biochem.& Biotech. 2(2) (2006) 61-65.
  41. Preparation   and   characterization   of   Algenate   and   Hydroxyapatite-based biocomposite,  P. Parhi,  A. Ramanan  and  A.R.  Ray, J. Appl.  Poly. Sci. 102 (2006) 5162-5165.
  42. Mechanochemically assisted room temperature solid state metathesis reaction for the synthesis of MMoO4  (M = Ca, Sr, Ba),  P. Parhi, S.S. Singh, A. Ramanan, A.R. Ray, Bull. Mater. Sci. 29(2) (2006) 115-118.
  43. Hydrothermal    Synthesis    of    Nanocrystalline    powder    of    Alkaline-earth hydroxyapatite A10(PO4)6(OH)2  (A= Ca, Sr, Ba),  P. Parhi, A. Ramanan and A.R. Ray, J. Mate. Sci. 41(5) (2006) 1455-1458.
  44. Synthesis of Nano-size Alkaline-earth hydroxyapatite through microwave assisted metathesis  reactions,   P.  Parhi,  A.  Ramanan  and  A.R.  Ray,  Mater.  Lett.  60 (2006) 218-221.
  45. A  convenient  route  for  the  synthesis  of  hydroxyapatite  through  microwave- mediated metathesis reaction, P. Parhi, A. Ramanan and A.R. Ray, Materials Letter 58 (2004) 3610-3612

Teaching

  • Molecular Spectroscopy
  • Quantum Chemistry
  • Surface Chemistry
  • Catalysis
  • Biophysical Chemistry
  • Analytical Chemistry