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Dr. Mariyappan Shanmugam

Assistant Professor, Amrita Center for Nanosciences and Molecular Medicine, Kochi

Qualification: Ph.D
mshanmugham@aims.amrita.edu
Research Interest: Bulk and Interfacial Recombination, Defect Passivation in Semiconductors, Device Fabrication/Characterization, Studies on Charge Transport

Bio

Dr. Mariyappan joined as an Assistant Professor at Amrita Center for Nanosciences and Molecular Medicine in June 2016. He obtained his PhD from South Dakota State University, USA in 2011. He has developed advanced gas-phase surface passivation schemes for nanostructured electron acceptors using atomic layer deposition at The Minnesota Nano Center, University of Minnesota. He was a postdoctoral researcher at the College of Nanoscale Science and Engineering, State University of New York, USA, during 2011-2014 and then worked in Worcester Polytechnic Institute for a year. In 2015, he established a research and development division in a Silicon Valley-based startup company, Macromolecular Inc., to develop photovoltaic materials and devices for space PV applications.

He has published over 20 journal papers including in Nanoscale, ACS Nano and Nano Energy, 20 peer-reviewed conference proceeding papers (IEEE and MRS) and a book chapter. He has been serving as an invited reviewer for 10 journals including ACS Applied Materials & Interfaces, Journal of Applied Physics, Solid State Electronics and AIP Advances.

Dr. Mariyappan’s research explored various issues in semiconductor materials and devices. His major research areas are defect passivation in semiconductors, device fabrication/characterization, studies on charge transport, bulk and interfacial recombination. His current research includes developing energy harvesting technologies and other opto-electronic devices using emerging nanostructured materials.

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Funding

Extra Mural Research Funding: “Transformative Approaches for Design and Development of 2-D Carbon Photovoltaics” Awarded by Science and Engineering Research Board (SERB)-2018, Status: Principal Investigator.

Early Career Award: “Chemical Vapor Deposition Assembled 2D Layered Semiconductors Enabled Electrochemical Solar Cells” Science and Engineering Research Board (SERB)-2018.Status: Principal Investigator.

Publications

Journal Article

Year : 2020

Effects of gas-phase and wet-chemical surface treatments on substrates induced vertical, valley–hill & micro-granular growth morphologies of close space sublimated CdTe films

Cite this Research Publication : K. Velu Ramanathan, Shankar, B., Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Effects of gas-phase and wet-chemical surface treatments on substrates induced vertical, valley–hill & micro-granular growth morphologies of close space sublimated CdTe films”, Nanoscale Adv., vol. 2, pp. 4757-4769, 2020.

Publisher : Nanoscale Adv

Year : 2020

Grain/grain-boundary mediated dispersive photo-current characteristics in close space sublimated micro-granular CdTe films

Cite this Research Publication : K. Velu Ramanathan, Shankar, B., Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Grain/grain-boundary mediated dispersive photo-current characteristics in close space sublimated micro-granular CdTe films”, IET Optoelectronics, vol. 14, pp. 252-255, 2020.

Publisher : IET Optoelectronics

Year : 2020

Plasma Driven Nano-morphological Changes and Photovoltaic Performance in dye Sensitized 2D-layered Dual Oxy-sulfide Phase WS2 Films

Cite this Research Publication : G. Gopakumar, Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Plasma Driven Nano-morphological Changes and Photovoltaic Performance in dye Sensitized 2D-layered Dual Oxy-sulfide Phase WS2 Films”, Nanoscale, vol. 12, no. 1, pp. 239-247, 2020.

Publisher : Nanoscale

Year : 2020

Chemical Bath Deposited WS2 Quantum Dots on TiO2 for Dye Sensitized Solar Cell Applications

Cite this Research Publication : N. S. Powar, Gopakumar, G., Ramanathan, K. V., Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Chemical Bath Deposited WS2 Quantum Dots on TiO2 for Dye Sensitized Solar Cell Applications ”, Optical and Quantum Electronics, vol. 52, no. 2, p. 65, 2020.

Publisher : Optical and Quantum Electronics

Year : 2020

Microwave Engineered Structural, Nano-morphological and Photo-responsive Characteristics in 2D-layered Dual-phase MoO3-MoSe2 Films

Cite this Research Publication : A. Vasanth, Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Microwave Engineered Structural, Nano-morphological and Photo-responsive Characteristics in 2D-layered Dual-phase MoO3-MoSe2 Films”, Applied Surface Science, vol. 519, p. 146263, 2020.

Publisher : Applied Surface Science

Year : 2019

Atomically Thin 2D Layered MoS2-enabled Photo-Current Characteristics in TiO2 Nanoparticle Films

Cite this Research Publication : G. Gopakumar, Ashok, A., Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Atomically Thin 2D Layered MoS2-enabled Photo-Current Characteristics in TiO2 Nanoparticle Films”, Applied Nanoscience (In Press), 2019.

Publisher : Applied Nanoscience (In Press)

Year : 2018

On the physics of dispersive electron transport characteristics in SnO nanoparticle-based dye sensitized solar cells.

Cite this Research Publication : A. Ashok, Vijayaraghavan, S. N., Unni, G. E., Nair, S. V., and Shanmugam, M., “On the physics of dispersive electron transport characteristics in SnO nanoparticle-based dye sensitized solar cells.”, Nanotechnology, vol. 29, no. 17, p. 175401, 2018.

Publisher : Nanotechnology

Year : 2017

Phase modification and morphological evolution in Nb2O5 thin films and its influence in dye- sensitized solar cells

Cite this Research Publication : S. Suresh, Unni, G. E., Ni, C., R. Sreedharan, S., R. Krishnan, R., Satyanarayana, M., Mariyappan Shanmugam, and Pillai, V. P. Mahadevan, “Phase modification and morphological evolution in Nb2O5 thin films and its influence in dye- sensitized solar cells”, Applied Surface Science, vol. 419, pp. 720 - 732, 2017.

Publisher : Applied Surface Science

Conference Proceedings

Year : 2018

Studies on Defect Mediated Charge Transport and Recombination Dynamics in SnO2 Based Dye Sensitized Solar Cells

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications,

Year : 2018

Studies on Charge Transport and Recombination in MoO3 Coated SnO2 Based Dye Sensitized Solar Cells

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications

Year : 2018

Hydrothermal Assisted Heterogeneous MoS2 Enabled Performance Enhancement in Dye Sensitized Solar Cells

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications

Year : 2018

Graphene Quantum Dots Enabled Photoabsorption in Mesoporous TiO2 for Excitonic Solar Cell Application

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications

Year : 2018

FTO/TiO2 Interface Engineering by MoO3 Thin Films for Dye Sensitized Solar Cell Applications

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications

Year : 2018

2D Layered MoS2 Enabled Photo-responsive Characteristics in TiO2 Nanoparticle Film

Publisher : Third International Conference on Nanomaterials: Synthesis, Characterization and Applications

Year : 2017

Two Dimensional SnO2 Nanoplates for Efficient Photo-electron Transport in Excitonic Solar Cells

Cite this Research Publication : G. E. Unni, Nair, S. V., and Dr. Mariyappan Shanmugam, “Two Dimensional SnO2 Nanoplates for Efficient Photo-electron Transport in Excitonic Solar Cells”, Nano India. IIT Delhi, India., 2017.

Publisher : Nano India

Year : 2017

Spray Pyrolysis Deposited CdTe/CdS Thin Film Heterojunction for Photovoltaic Applications

Cite this Research Publication : A. Ashok, Unni, G. E., Raghavan, V., Dr. Mariyappan Shanmugam, and Nair, S. V., “Spray Pyrolysis Deposited CdTe/CdS Thin Film Heterojunction for Photovoltaic Applications”, Nano India. IIT Delhi, India., 2017.

Publisher : Nano India, IIT Delhi, India.

Year : 2017

MoS2 Layered Semiconductor: An Efficient Electron Transport Bridge in Mesoscopic Electron Acceptor for Dye Sensitized Solar Cell Applications

Cite this Research Publication : G. Gopakumar, Menon, H., Nair, S. V., and Dr. Mariyappan Shanmugam, “MoS2 Layered Semiconductor: An Efficient Electron Transport Bridge in Mesoscopic Electron Acceptor for Dye Sensitized Solar Cell Applications”, Nano India. IIT Delhi, India., 2017.

Publisher : Nano India

Patents

Year : 2010

A system and method for delivering haptic force feedback with cable and moving cap- Stan mechanism

Cite this Research Publication : Shanmugam Murugappan, Nagarajan, A., Bijlani, B., and Rao R. Bhavani, “A system and method for delivering haptic force feedback with cable and moving cap- Stan mechanism”, U.S. Patent 3082/CHE/20102010.

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