Department of Physics

Indian Institute Of Technology Madras , Chennai
Dr. Ramaprabhu, S
HSB 111
DESIGNATION

Institute Chair Professor

Ph.D.

IIT Madras

CURRENT RESEARCH INTEREST

Synthesis of CNT, Graphene, ferromagnetism in graphene; PEMFC, Li-S battery, Li-Air battery, Al-ion battery; SC, PV, gas sensors, SHM, hydrogen storage, CO2 capture and conversion, Purification of water, nanofluids, nano-lubricants, biosensors

CONTACT

044 - 2257 4862

ramp@iitm.ac.in

RESEARCH GROUPS

Alternative Energy and NanoTechnology


Recent Book :

Graphene: The wonder material

Dr. S. Ramaprabhu and Dr. Rupali Nagar

SAMS publishers, Chennai

2013

 Current Research :



 Recent Publications :

"Nitrogen-doped hierarchical porous carbon wrapped partially exfoliated carbon nanotubes for exceptional electrochemical performance in various electrolytes",

Sandhyarani M, S Ramaprabhu

Chemsuschem

Year: 2018

Sustainable porous activated carbon derived from cotton for high power supercapacitor and CO2 storage applications

R Imran Jafri, N Rajalakshmi, KS Dhathathreyan, S Ramaprabhu

Advanced Porous Materials

Year: 2018

"Enhanced hydrogen storage performance in Pd3Co decorated nitrogen/boron doped graphene composites"

Sai Smruti Samantaray, Ramaprabhu Sundara

International J Hydrogen Energy

Year: 2018

"Few layer graphene wrapped mixed phase TiO2 nanofiber as a potential electrode material for high performance supercapacitor applications",

Lavanya Thirugunanam, Ramaprabhu Sundara

Applied Surface Science

Year: 2018

"High-performance Platinum-free oxygen reduction reaction and hydrogen oxidation reaction catalyst in polymer electrolyte membrane fuel cell"

Priji C, Arpita Ghosh, Ramaprabhu Sundara

Scientific Reports

Year: 2018

Multi-walled carbon nanotube-induced inhalation toxicity: Recognizing nano bis-demethoxy curcumin analog as an ameliorating candidate",

Arul Prakash Francis, Thiyagarajan Devasena, Selvam Ganapathy, Venkata Rajsekhar Palla, Prakhya Balakrishna Murthy, Sundara Ramaprabhu

Nanomedicine: Nanotechnology, Biology

Year: 2018

"An experimental study on thermal conductivity enhancement of DI water-EG based ZnO(CuO)/graphene wrapped carbon nanotubes nanofluids"

Preeti Sati, Rashmi Chandrabhan Shende, Ramaprabhu Sundara

Thermochimica Acta

Year: 2018

Room temperature hydrogen gas sensing properties of mono dispersed platinum nanoparticles on graphene-like carbon-wrapped carbon nanotubes

Jaidev Harjwani, Sundara Ramaprabhu

International Journal of Hydrogen Energy

Year: 2018

Carbon dioxide adsorption of zinc oxide nanoparticles synthesised by wire explosion technique

Sreetama Ghosh, Prem Ranjan, Ramanujam Sarathi, Sundara Ramaprabhu

INAE Letters

Year: 2018

Enhanced Sodium Ion Storage in Interlayer Expanded Multiwall Carbon Nanotubes

Ajay Piriya V. S., Manoharan Muruganathan, M. Kamaraj, Hiroshi Mizuta, Sundara Ramaprabhu

Nano Letters

Year: 2018

Catalytic performance of non-Platinum-based hybrid carbon hetero-structure for oxygen reduction and hydrogen oxidation reactions in Proton Exchange Membrane Fuel Cell

Priji C, Sundara Ramaprabhu

International Journal of Hydrogen Energy

Year: 2018

Synergistic role of electrolyte and binder for enhanced electrochemical storage for sodium ion battery

jay Piriya V. S, Rashmi Chandrabhan Shende, G. Meenakshi Seshadhri, Dharavath Ravindar, Sanjay Biswas, Sadhasivam Loganathan, T. S. Balasubramanian, K. Rambabu, M. Kamaraj, Ramaprabhu Sundara

ACS Omega

Year: 2018

Theoretical insights into the experimental observation of stable p-type conductivity and ferromagnetic ordering in vacuum hydrogenated TiO2

Divya Nechiyil, Manoharan Muruganathan, Hiroshi Mizuta ,Ramaprabhu Sundara

Journal of Physical chemistry C

Year: 2017

Electrospun mesoporous TiO2 nanofibers wrapped with reduced graphene oxide for enhanced and and rapid lithium ion storage

Lavanya Thirugunanam, Satheesh Kaveri, Vinodth Kumar Etacheri,Sundara Ramaprabhu, Mrinal Dutta, Vilas G Pol

Journal of Materials Characterisation

Year: 2017

Highly sensitive and selective non enzymatic electrochemical glucose sensors based on graphene oxide- Molecular imprinted polymer

Baraneedharan P, Sheeba Alexander , Ramaprabhu S

Journal of Material science and Engineering C

Volume: 78 Page: 124-129.

Year: 2017

Solar synthesized tin oxide nanoparticles dispersed graphene wrapped carbon nanotubes as Li ion battery anode material with improved stability

Madhumita Sahoo and Ramaprabhu Sundara

RSC Advances

Volume: 7 Page: 13789-13797

Year: 2017

Binary Reaction Ingrained High Current Density and Long Cycle Life Novel Anode Material for Lithium Ion Battery

Ananya Gangadharan, Raghu Sripada and Ramaprabhu Sundara

Journal of Materials Chemistry A

Volume: 5 Page: 2784-2791

Year: 2017

Development of nitrogen doped 2D material for tribological applications at boundary lubrication regime

Rashmi Chandrabhan Shende, Velayudhanpillai Jayan, Somendra Singh Parihar, Ramaprabhu Sundara

Beilstein journal of nanotechnology

Year: 2017

High pressure CO2 capture of Ionic liquid functionalized graphitic carbon nitride nanostructures

Sreetama Ghosh, Ramaprabhu Sundara

Journal of CO2 utilization

Year: 2017

An efficient and durable novel catalyst support with superior electron donation property and fuel diffusivity for direct methanol fuel cell

Arpita Ghosh, Ramaprabhu Sundara

Journal of catalysis science and technology

Year: 2017

Recent Advances in Hydrogen Storage Using Catalytically and Chemically Modified Graphene Nanocomposites

Rupali Nagar, Sundara Ramaprabhu , Sai Smruti Samantaray, Bhaghavathi Parambath Vinayan

Journal of Materials Chemistry A,

Year: 2017

Palladium-nitrogen coordinated cobalt alloy towards hydrogen oxidation and oxygen reduction reactions with high catalytic activity in renewable energy generations of proton exchange membrane fuel cell

Arpita Ghosh, Ramaprabhu Sundara

Applied Energy

Year: 2017

Investigation of the Role of Cu2O beads over the Wrinkled Graphene as an Anode Material for Lithium ion Battery

G.Ananya, N.Pranati and S.Ramaprabhu

International Journal of Hydrogen Energy

Year: 2016

Application of few-layered reduced graphene oxide nanofluid as a working fluid for direct absorption solar collectors

Rashmi Chandrabhan Shende and S Ramaprabhu

Journal of nanoscience and nanotechnology

Year: 2016

Palladium Cobalt Alloy Catalyst Nanoparticles Facilitated Enhanced Hydrogen Storage Performance of Graphitic Carbon Nitride

Asalatha. A. S. Nair and Ramaprabhu Sundara

Journal of Physical Chemistry C

Year: 2016

Palladium Cobalt Alloy Catalyst Nanoparticles Facilitated Enhanced Hydrogen Storage Performance of Graphitic Carbon Nitride

Asalatha. A. S. Nair and Ramaprabhu Sundara

Journal of Physical Chemistry C

Year: 2016

Enhanced Photovoltaic performance in Polypyrrole nanoparticles Counter Electrode due to incorporation of Multi Walled Carbon Nanotubes

Mridula Baro, C Vijayan, Sundara Ramaprabhu

Journal of Nanoscience and Nanotechnology

Volume: 15 Page: 4941-4947 DOI:

Year: 2015

Cerium Oxide Nanoparticles Decorated Graphene Nanosheets for Selective Detection of Dopamine

Pranati Nayak and S. Ramaprabhu

Journal of Nanoscience and Nanotechnology, 2015

Volume: 15 Page: 4855-4862 DOI:

Year: 2015

Integration of Polymerized Ionic Liquid with Graphene for Enhanced CO2 Adsorption

P. Tamilarasan, S. Ramaprabhu

Journal of Materials Chemistry A, 2015, 3, 101-108

Volume: 3 Page: 101-108

Year: 2015

Green synthesis of boron doped graphene and its application as high performance anode material in Li ion battery

Madhumita Sahoo and S. Ramaprabhu

Materials Research Bulletin

Volume: 61 Page: 383-390

Year: 2015

Task-Specific functionalization of graphene for Capture and conversion of Carbon dioxide

P. Tamilarasan and S. Ramaprabhu

Journal of Materials Chemistry A

Volume: 3 Page: 797-804

Year: 2015

Effect of complex formation on nonlinear optical parameters of dye-graphene system

Sudhakara R Bongu, Prem B. Bisht, Basanth S Kalanoor, Raman C Namboodiri, Pranati Nayak, Sundara Ramaprabhu

Journal of Photochemistry and Photobiology A: Chemistry

Volume: 299 Page: 54-61

Year: 2015

Optical limiting and nonlinear optical properties of gold-decorated graphene nanocomposites

Prabin Pradhan, R Podila, M Molli, Adarsh Kaniyoor, Sai Muthukumar V, S Siva Sankara Sai, S Ramaprabhu and A M Rao

Optical Materials

Volume: 39 Page: 182-187

Year: 2015

Hydrogen storage performance of palladium nanoparticles decorated Graphitic carbon nitride

Asalatha and S Ramaprabhu

International Journal of Hydrogen Energy

Year: 2015

Highly durable platinum based cathode electrocatalysts for PEMFC application using oxygen and nitrogen functional groups attached nanocarbon supports

N. Karthikeyan, B. P. Vinayan, M. Rajesh, K. Balaji, A. K. Subramani and S. Ramaprabhu

Fuel cells

Year: 2015

Polymerized ionic liquid functionalized cathode catalyst support for proton exchange membrane CO2 conversion cell

P. Tamilarasan and S. Ramaprabhu

RSC Advances

Year: 2015

Nitrogen doped carbon based hybrid composite dispersed nanofluids as working fluid for low-temperature direct absorption solar collectors

Rashmi Shende and S. Ramaprabhu

Solar Energy Materials and Solar Cells,

Year: 2015

Graphitic carbon nitride hybrid nanostructure Supported metal nanoparticles as a novel low-cost counter electrode for Dye-sensitized solar cell

Divya.N, Mridula Baro and S. Ramaprabhu

Journal of Nanoscience and Nanotechnology

Year: 2015

Enhanced electrochemical performance by unfolding few wings of graphene nanoribbons of multiwalled carbon nanotubes as anode material for Li ion battery application

Madhumita Sahoo and S. Ramaprabhu

Nanoscale

Year: 2015

Enhanced Electron Field Emission of One-Dimensional Highly Protruded Graphene Wrapped Carbon Nanotube Composites

PranatiNayak, P N Santhosh and S. Ramaprabhu

J. Phys. Chem. C,

Volume: 2014, 118 (10), pp 5172–5179

Year: 2014

Effect of partial exfoliation in carbon dioxide adsorption-desorption properties of carbon nanotubes

P. Tamilarasan and S. Ramaprabhu

J.Apply.Phys

Volume: 116 Page: 124314 DOI: http://dx.doi.org/10.1063/1.4896669

Year: 2014

Enhanced CO2 capture in Fe3O4-graphene nanocomposite by physicochemical adsorption

A. K. Mishra and S. Ramaprabhu

J. Appl. Phys. 116 , 064306

Volume: 116 Page: 064306 DOI: http://dx.doi.org/10.1063/1.4892458

Year: 2014

Facile synthesis of SnO2 nanoparticles dispersed nitrogen doped graphene anode material for ultrahigh capacity lithium ion battery applications

B P Vinayan and S Ramaprabhu

Journal of Materials Chemistry A, 2013,1, 3865-3871

Year: 2013

Novel Platinum–Cobalt Alloy Nanoparticles Dispersed on Nitrogen-Doped Graphene as a Cathode Electrocatalyst for PEMFC Applications

Vinayan B P ,Rupali Nagar , NatarajanRajalakshmi , and Sundara Ramaprabhu

Advanced Functional Materials, 22, 2012, 3519–3526

Year: 2012

Graphene Wrapped Multiwalled Carbon Nanotubes Dispersed Nanofluids for Heat Transfer Applications

S S JyothirmayeeAravind and S Ramaprabhu

Journal of Applied Physics, 112, 2012, 124304

Year: 2012

Ultrahigh arsenic sorption using iron oxide-graphenenanocompositesupercapacitor assembly

Ashish Kumar Mishra and S. Ramaprabhu

Journal of Applied Physics, 112, 2012, 104315-104315-6

Year: 2012

Pt nanoparticles dispersed Graphene wrapped MWNT composites as oxygen reduction reaction electrocatalyst in proton exchange membrane fuel cell

S S JyothirmayeeAravind and S Ramaprabhu

ACS Applied Materials & Interfaces, 4(8), 2012, 3805-10

Year: 2012

Experimental Study on the Field Emission Properties of Metal Oxide Nanoparticle Decorated Graphene

TessyTheres Babyand S. Ramaprabhu

Journal of Applied Physics, 111, 2012, 034311.

Year: 2012

Effect of nitrogen doping on hydrogen storage capacity of palladium decorated graphene

B. P. Vinayan, Rupali Nagar and S. Ramaprabhu

Langmuir, 28 (20), 2012, 7826–7833

Year: 2012