Dr. R.K. Sahu
Dr. R.K. Sahu's picture
Name :   Dr.Ranjan K SAHU
Designation :   Senior Principal Scientist
Contact Information :
  • Email id :  rksahu@nmlindia.org
  • Mobile/Phone no:  07903042199, 09430776206, 06572345052
Educational Qualification :   Ph D
Areas of Expertise :   Graphene; Magnetic Material; Electronic Material; Nanomaterial; X-ray photoelectron spectroscopy
No. of Papers Published :   65
  • International :   Some Selective Publications 1.Y. N. Singhbabu, B. Sivakumar, S. K. Choudhary, S. Das, Ranjan K. Sahu, Corrosion-protective reduced graphene oxide coated cold rolled steel prepared using industrial setup: A study of protocol feasibility for commercial production, Surface and Coatings Technology, 349, 119, 2018 2.Y. N. Singhbabu, B. Sivakumar, J. K. Singh, H. Bapari, A. K. Pramanick and Ranjan K. Sahu, Efficient anti-corrosive coating of cold-rolled steel in seawater environment using oil-based graphene oxide ink, Nanoscale, 7, 8035, 2015 3.Y N Singhbabu, S. K Choudhary, N Shukla, S Das and Ranjan K. Sahu, Observation of large positive magneto-resistance in bubble decorated graphene oxide films derived from shellac biopolymer: a new carbon source and facile method for morphology-controlled properties, Nanoscale, 7, 6510, 2015. 4. Y.N. Singhbabu, Priya Kumari, S. Parida and Ranjan K. Sahu, Conversion of pyrazoline to pyrazole in hydrazine treated N-substituted reduced graphene oxide films obtained by ion bombardment and their electrical properties, Carbon, 74, 32, 2014 5.Y. N. Singhbabu, K. K. Sahu, D. Dadhich, A. K. Pramanick, T. Mishra, and Ranjan K. Sahu, Capsule-embedded reduced graphene oxide: synthesis, mechanism and electrical properties, J. Mater. Chem. C 1, 958, 2013 6.A. K. Ray, Ranjan K. Sahu, V. Rajinikanth, H. Bapari, M. Ghosh and P. Paul, Preparation and characterization of graphene and Ni-decorated graphene using flower petals as the precursor, Carbon, 50, 4123, 2012 7.Ranjan K. Sahu, O. Mohanta and A. K. Pramanick, XPS study on the correlation of magnetic properties and site occupancy of Al doped SrFe12O19, J. Alloys and Compounds, 532, 114, 2012. 8.Ranjan K. Sahu, K. Ganguly, T. Mishra, M. Mishra, R. S. Ningthoujam, S. K . Roy, Stabilization of intrinsic defects at high temperatures in ZnO nanoparticles by Ag modification, Journal of Colloid Interface Science, 366, 8, 2012. 9. Ranjan K. Sahu, S. K. Pandey and L.C. Pathak, Valence and origin of metal-insulator transition in Mn doped SrRuO3 studied by electrical transport, X-ray photoelectron spectroscopy and LSDA plus U calculation, Journal of Solid State Chemistry, 184, 523, 2011. 10. Ranjan K. Sahu, R. D. Vispute, S. Dhar, D. C. Kundaliya, S. Sundar Manoharan and T. Venkatesan, Enhanced conductivity of n-InGaZn6O9 films and it rectifying characteristics with p-SiC, Thin Solid Films, 517, 1829, 2009. 11. Ranjan K. Sahu, Debangshu Mukherjee, J. P. Tiwari, T. Mishra, S. K. Roy and L. C. Pathak, Influence of Foreign Fe ion on Wet Chemical Synthesis of Pt Nanoparticle Thin Films at Ambient Temperature: In situ versus direct addition, Journal of Materials Chemistry, 19, 6810, 2009, 12. Ranjan K. Sahu, A. K. Ray, T. Mishra and L. C. Pathak, Microwave assisted synthesis of magnetic Ni wire from a metal-organic precursor containing, Ni (II) and Triethanolamine, Crystal Growth & Design, 8, 3754, 2008.
  • National :   --
No.of.Patents :   1. Metal oxides nanoparticle based corrosion preventive paint for metallic bodies, Ranjan Kumar Sahu, Yashabanta Narayan Singhbabu, Indian Patent (Applied) 2.A process for the preparation of graphene oxide and functionalized graphene oxide from Aeschynomene Aspera plant, Ranjan Kumar Sahu, Yashabanta Narayan Singhbabu, Ashit Kumar Pramanick, Application No. 0092NF2014 3. Corrosion resistive graphene based coating of metals using seedlac and vegitable oil, Ranjan Kumar Sahu, Yashabanta Narayan Singhbabu, Ashit Kumar Pramanick, 233/KOL/2015 4.A process for synthesizing reduced graphene oxide on a substrate from seedlac, Ranjan Kumar Sahu, Ashit Kumar Pramanick, Vikas Chandra Srivastava, Yashabanta Narayan Singhbabu, 1074KOL2013, US20160185604, CN104822625 A, PCT/IN2014/00310 5.An improved process for the preparation of Hexaferrite powder with enhanced magnetic properties, O Mohanta, M Bhattarchaya, A Mitra, Ranjan Kumar Sahu, 1753DEL2012
  • Awarded :   --
  • Filed :   --
No.of.Technologies :   Nanoparticles based Anti-corrosive Chemical
  • Developed :   --
  • Transferred :   --
Equipment/Software Skills :   X-ray photoelectron spectrometer

Awards and Recognitions :   1. BOYSCAST Fellowship DST, India, 2006 2. Nijhawan Award, NML 2005 3. CSIR Young Scientist Award, Engineering Sciences, CSIR, India, 2008 4. Tata Innovista Award from Tata Sons, Graphene from natural sources, Tata Sons, 2015 5. APEX TQM RECOGNITION AWARD, Graphene based paint, Tata Steel, 2016