Publications

PATENTS

1. Mariyappan Shanmugam, “Weavable-wearable fiber Solar Cells for Smart Nanotextiles” German Patent Application Number: 202022100909.0.

2. Mariyappan Shanmugam, R. W. Alexander Jesudasan “Quantum Dots Intercalated 2D-MX2 Optical Glucose Sensor. German Patent Application Number: 202022100693.8

3. Mariyappan Shanmugam, Indrajit Shown, S. N. Sridhara "A Process for Developing Highly Transparent Stickable-Peelable Solar Cells for Building Integrated Photovoltaic Device" Australian Innovation Patent Number: 2021105520.

4. S. N. Sridhara, Indrajit Shown, Mariyappan Shanmugam, “A Process for Developing Nano-Inspired Ultra-Thin Large Surface Area Anti-Slippery Self-Cleaning Anti-Bacterial Mattress” Australian Innovation Patent, Application Number: 2021105521.

JOURNAL ARTICLES

1. Niket Suresh Powar, Su-Il In*, M. Shanmugam* "Chemically assembled 2D-van der Waals WSe2-WC heterostructured photo-anodes for electrochemical devices" FlatChem 40(2023)100523.

2. K. S. Sajiv, G. Gopakumar, and M. Shanmugam* "Integrated photo-absorption and improved charge transport kinetics in atomically thin MoSe2-incorporated nanostructured ZnO photo-anodes for dye-sensitized solar cells." Appl. Phys. A 127, 966 (2021).

3. Arya Babu, Arya Vasanth, Shantikumar V Nair, M.Shanmugam* "WO3 Passivation Layer Coated Nanostructured TiO2: An Efficient Defect Engineered Photoelectrode for Dye Sensitized Solar Cell" Journal of Semiconductors 42(2021)1-8.

4. Divya Krishnan, Niket S Powar, Arya Vasanth, Kulandai Velu Ramanathan, Shantikumar V Nair, M.Shanmugam* "Graphene Oxide Enabled Hole Transport Characteristics in Iodide/Tri-iodide for Improved Dye Sensitized Solar Cell Performance" Materials Letters 285(2021)129176.

5. Niket S Powar, Kulandai Velu Ramanathan, Shantikumar V Nair, M.Shanmugam* "Structural, Nanomorphological and Optical Characteristics of Self-assembled 2D-Layered WS2-CdTe Quantum Dot Heterostructure" Materials Letters 285(2021)129139.

6. Arya Vasanth, Shantikumar V. Nair, M.Shanmugam* “Post-annealing Effect on the Structural and Optical Properties of Electrophoretically Coated 2D-Layered MoSe2 ” Journal of Science: Advanced Materials and Devices 6(2021)58-64.

7. Kulandai Velu Ramanathan, Balakrishnan Shankar, Shantikumar Nair, and M.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 Advances 2(2020)4757-4769.

8. Arya Vasanth, Niket Suresh Powar, Divya Krishnan, Shantikumar V. Nair, M.Shanmugam* “Electrophoretic Graphene Oxide Surface Passivation on Titanium Dioxide for Dye Sensitized Solar Cell Application” Journal of Science: Advanced Materials and Devices 5(2020)316-321.

9. Gopika Gopakumar, Shantikumar V. Nair, and M.Shanmugam* "Assessing the role of plasma engineered acceptor-like intra-and inter-grain boundaries of heterogeneous WS2-WO3 nanosheets on photo-current characteristics." Nanoscale Advances 2(2020) 2276 - 2283.

10. Kulandai Velu Ramanathan, Balakrishnan Shankar, Shantikumar Nair, and M.Shanmugam* "Grain/Grain-boundary Mediated Dispersive Photo-current Characteristics in Close Space Sublimated Micro-granular CdTe Films." IET Optoelectronics 14(2020)252-255.

11. Preeyanghaa Mani, Shantikumar V. Nair, and M.Shanmugam* "Thickness-dependent hole-blocking capability of RF-sputtered nickel oxide compact layers in dye-sensitized solar cells." Emergent Materials 3(2020)117-124.

12. Lakshmi Srinivasan, Kulandai Velu Ramanathan, Gopika Gopakumar, Shantikumar Nair, and M.Shanmugam* "RF-Sputtered Tungsten Enabled Surface Plasmon Effect in Dye Sensitized Solar Cells." IET Optoelectronics 14(2020)274 –277.

13. Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* "Microwave Engineered Structural, Nano-morphological and Photo-responsive Characteristics in 2D-Layered Dual-Phase MoO3-MoSe2 Films." Applied Surface Science 519(2020) 146263.

14. Niket Suresh Powar, Gopika Gopakumar, Kulanthai Velu Ramanathan, Shantikumar V. Nair and M.Shanmugam* “Chemical Bath Deposited WS2 Quantum Dots on TiO2 for Dye Sensitized Solar Cell Applications” Optical and Quantum Electronics 52(2020)65.

15. Gopika Gopakumar, Shantikumar V. Nair, and M.Shanmugam* "Plasma driven nano-morphological changes and photovoltaic performance in dye sensitized 2D-layered dual oxy-sulfide phase WS2 films" Nanoscale 12(2020)239-247.

16. Gopika Gopakumar, Shantikumar V. Nair, and M.Shanmugam* "Hydrothermal processed heterogeneous MoS2 assisted charge transport in dye sensitized solar cells" Applied Physics A 125.12 (2019)822.

17. Gopika Gopakumar, Aditya Ashok, Shantikumar V. Nair, and M.Shanmugam* "Atomically thin 2D layered MoS2-enabled photo-current characteristics in TiO2 nanoparticle films." Applied Nanoscience (2019)1611-1619.

18. Aditya Ashok, Shantikumar V. Nair, M.Shanmugam* "Spray pyrolysis-coated nano-clustered CdTe on amorphous Si thin films for heterojunction solar cells" Applied Nanoscience 1-8(2019).

19. Soon Min Ho, M.Shanmugam, and H. Markana Jaysukh. "Review on dye-sensitized solar cells based on polymer electrolytes." International Journal of Engineering & Technology 7(2018)3001-3006.

20. Harigovind Menon, Gopika Gopakumar, S. N. Vijayaraghavan, Shantikumar V. Nair, and M.Shanmugam* “2D Layered MoS2 Incorporated TiO2 Nanofiber Based Dye Sensitized Solar Cells” ChemistrySelect 3(2018)5801– 5807.

21. S. N. Vijayaraghavan, A. Ashok, G. Gopakumar, H. Menon, S. V. Nair and M.Shanmugam* “Spray Pyrolysis Coated CdTe-TiO2 Heterogeneous Films for Photo-electrochemical Solar Cells”. Materials for Renewable and Sustainable Energy 7(2018)7-12.

22. Aditya Ashok, Sumi E Mathew, Shivakumar B Shivaram, Sahadev A. Shankarappa, Shantikumar V. Nair and M.Shanmugam* “Cost Effective Natural Photo-sensitizer from Upcycled Jackfruit Rags for Dye Sensitized Solar Cells” Journal of Science: Advanced Materials and Devices 3(2018) 213-220.

23. Aditya Ashok, Gopika Gopakumar, S. N. Vijayaraghavan, Shantikumar V. Nair and M.Shanmugam* “Understanding Hysteresis Behavior in SnO2 Nanofiber Based Dye Sensitized Solar Cell” Journal of Photovoltaics 8(2018)1044-1050.

24. Gopika Gopakumar; Aditya Ashok; S. N. Vijayaraghavan; Shantikumar Nair; M.Shanmugam* “MoO3 Surface Passivation on TiO2: An Efficient Approach to Minimize Loss in Fill factor and Maximum Power of Dye Sensitized Solar Cell” Applied Surface Science 447(2018)554-560.

25. R. Jacobs-Gedrim, M. Murphy, F. Yang, N. Jain, M.Shanmugam, E. Sang Song, Y. Kandel, B. Yu, P. Hesamaddin, D. Janes, H. Yu, and M. Anantram. “Reversible Phase-Change Behavior in Two-Dimensional Antimony Telluride (Sb2Te3) Nanosheets" Applied Physics Letters 112(2018)133101.

26. A. Ashok, S. N. Vijayaraghavan, G. E. Unni, S. V. Nair and M.Shanmugam* "On the Physics of Dispersive Electron Transport Characteristics in SnO2 Nanoparticle Based Dye Sensitized Solar Cells" Nanotechnology, 29(2018) 175401.

27. G. Gopakumar, H. Menon, A. Ashok, S. V. Nair and M.Shanmugam* "Two Dimensional Layered Electron Transport Bridges in Mesoscopic TiO2 for Dye Sensitized Solar Cell Applications" Electrochimica Acta 267(2018)63-70.

28. A. Ashok, S. N. Vijayaraghavan, S. V. Nair and M.Shanmugam* “Molybdenum Trioxide Thin Film Recombination Barrier Layers for Dye Sensitized Solar Cells” RSC Advances 7(2017) 48853-48860.

29. F. Yang, R. Jacobs-Gedrim, M.Shanmugam, N. Jain, M. Murphy, E. Sang Song, D. Frey, and B. Yu, “Scalable Synthesis of Two-dimensional Antimony Telluride Nanoplates Down to Single Quintuple Layer” RSC Advances 5(2015) 59320-59325.

30. X. Fan, F. Khosravi, V. Rahneshin, M.Shanmugam, M. Loeian, J. Jasinski, R. Cohn, E. Terentjev, B. Panchapakesan, “MoS2 actuators: reversible mechanical responses of MoS2 polymer nanocomposites to photons,” Nanotechnology26( 2015) 261001.

31. M.Shanmugam, R. Jacobs-Gedrim, E. S. Song, and B. Yu, “Two-Dimensional Layered Semiconductor/Graphene Heterostructures for Solar Photovoltaic Applications,” Nanoscale 6(2014)12682 – 12689.

32. R. Jacobs-Gedrim, M.Shanmugam, N. Jain, C. Durcan, M. Murphy, T. Murray, R. J. Matyi, R. Moore, and B. Yu, “Extraordinary Photoresponse Two-Dimensional In2Se3 Nanosheets” ACS Nano 8 (2014) 514–521.

33. N. Jain, M. Murphy, R. Jacobs-Gedrim, M.Shanmugam, F. Yang, E. Sang Song, B. Yu, “Electrical Conduction and Reliability in Dual-Layered Graphene Heterostructure Interconnects” IEEE Electron Device Letters 35(2014) 1311 – 1313.

34. M.Shanmugam, N. Jain, R. Jacobs-Gedrim, Y. Xu and B. Yu "Layered Insulator Hexagonal Boron Nitride for Surface Passivation in Quantum Dot Solar Cell" Applied Physics Letters 103(2013)243904.

35. M.Shanmugam, R. Jacobs-Gedrim, and B. Yu, “2D-Layered Insulator Hexagonal Boron Nitride Enabled Surface Passivation in Dye Sensitized Solar Cells” Nanoscale 5(2013) 11275-11282.

36. K. Ganesan, S. Ilango, M.Shanmugam, M. Farrokh Baroughi, M. Kamruddin, and A.K. Tyagi, "Pre and Post-breakdown Electrical Studies in Ultrathin Al2O3 Films by Conductive Atomic Force Microscopy" Current Applied Physics 13(2013) 1865-1869.

37. M.Shanmugam, C. Durcan, R. Jacobs-Gedrim, T. Bansal and B. Yu, “Oxygenated-Graphene-Enabled Recombination Barrier Layer for High Performance Dye-Sensitized Solar Cell,” Carbon 60(2013)523-530.

38. M.Shanmugam, C. A. Durcan, R. Jacobs-Gedrim, and B. Yu, “Layered Semiconductor Tungsten Disulfide: Photoactive Material in Bulk Heterojunction Solar Cells,” Nano Energy, 2(2013)419-424.

39. M.Shanmugam, T. Bansal, C. Durcan, and B. Yu, “Schottky-Barrier Solar Cell Based On Layered Semiconductor Tungsten Disulfide Nanofilm,” Applied Physics Letters 101(2012) 263902.

40. M.Shanmugam, C. A. Durcan, and B. Yu, “Layered Semiconductor Molybdenum Disulfide Nanomembrane Based Schottky-Barrier Solar Cells,” Nanoscale 4(2012)7399-7405.

41. M.Shanmugam, T. Bansal, C. Durcan, and B. Yu, "Multi-Layer Graphene Oxide/CdSe Quantum Dot Coated Titanium Dioxide Heterojunction Solar Cell," IEEE Electron Device Letters, 33 (2012)1165.

42. M.Shanmugam, T. Bansal, C. Durcan, and B. Yu, "Molybdenum Disulphide/Titanium Dioxide Nanocomposite-Poly 3-hexylthiophene Bulk Heterojunction Solar Cell," Applied Physics Letters 100(2012)153901.

43. B. Bills, M.Shanmugam, M. F. Baroughi, "Effects of atomic layer deposited HfO2 compact layer on the performance of dye-sensitized solar cells,” Thin Solid Films 519(2011)7803-7808.

44. K Ganesan, S. Ilango, M.Shanmugam, M. F. Baroughi, M. Kamruddin, A. K. Tyagi, "Conductive atomic force microscopy studies on dielectric breakdown behavior of ultrathin Al2O3 films," Applied Physics Letters 98(2011)092902.

45. M.Shanmugam, M. F. Baroughi, and D. Galipeau, "Effect of atomic layer deposited ultra-thin HfO2 and Al2O3 interfacial layers on the performance of dye sensitized solar cells,"  Thin Solid Films 518 (2010) 2678-2682.

46. M.Shanmugam, M. F. Baroughi and D. Galipeau, "High Voc dye sensitized solar cell using RF-sputtered TiO2 compact layers,” Electronics Letters 45(2009) 648-649.

47. K. Ganesan, M.Shanmugam and H.L. Bhat, "Influence of magnetic clusters on electrical and magnetic properties of In1−xMnxSb/GaAs dilute magnetic semiconductor grown by liquid phase epitaxy," Solid State Communications, 143(2007) 272-275.

48. K. Balamurugan, R. Saravanan, K. Asharamani, P. Manimaran, M.Shanmugam, N. Srinivasan, Y. Ono, M. Isshiki, T. Kajitani, "Charge transfer in CdTe at 200 and 300 K,"  Journal of Crystal Growth , 250 (2003) 382-92.

Book Chapter

1. M. Shanmugam and B. Yu, “Two Dimensional Layered Semiconductors: Emerging Material Candidates for Solar Photovoltaics”, Solar Cell Nanotechnology, Edited by A. Tiwari, B. Boukherroub, M. Sharon,  ISBN #9781118686256, WILEY-Scrivener Publisher, USA.

Peer-reviewed Conference proceeding Papers

1. M.Shanmugam, T. Bansal, C. Durcan, and B. Yu, "MoS2/TiO2 Nanoparticle Composite Bulk Heterojunction Solar Cell," Proc. of. IEEE Nano 2012.

2. M.Shanmugam and M. F. Baroughi, "Characterization of Nanoporous TiO2 Surface Defects by Temperature Dependent Electron Transport Studies on Dye Sensitized Solar Cells," Mater. Res. Soc. Symp. Proc. 1363(2011)1363-RR05-09.

3. M.Shanmugam, M. F. Baroughi, "Characterization of Interfacial Charge Transport and Recombination by Impedance Spectroscopy on SiO2 Coated TiO2 Based Dye Sensitized Solar Cells,” Proc. of the 37th IEEE Photovoltaic Specialist Conference (2011) 002656-002660.

4. M.Shanmugam, B. Bills, M. F. Baroughi and D. Galipeau, "Role of Mesoporous TiO2 Surface States and Metal Oxide Treatment on Charge Transport of Dye Sensitized Solar Cells," Mater. Res. Soc. Symp. Proc. 1270(2010) 1270-GG11-03.

5. B. Bills, M.Shanmugam, M. F. Baroughi and D. Galipeau, "Analysis of Charge Transport and Recombination Studied by Electrochemical Impedance Spectroscopy for Dye-Sensitized Solar Cells with Atomic Layer Deposited Metal Oxide TiO2 Surface Treatment,” Mater. Res. Soc. Symp. Proc. 1270(2010) 1270-GG04-05.

6. B. Bills, M.Shanmugam, M. F. Baroughi and D. Galipeau, "Characterization of an Ultra Thin, Dense Hafnium Oxide Compact Layer with Electrochemical Impedance Spectroscopy for Dye-Sensitized Solar Cell Application," Mater. Res. Soc. Symp. Proc. 1260(2010)1260-T10-36.

7. M.Shanmugam, B. Bills, M. F. Baroughi and D. Galipeau, “TiO2/dye/electrolyte Interface Engineering by Atomic Layer Deposited Ultra-thin SiO2 for Improved Dye Sensitized Solar Cell Performance," Mater. Res. Soc. Symp. Proc. 1260(2010) 1260-T10-37.

8. M.Shanmugam, B. Bills, M. F. Baroughi and D. Galipeau, "Electron Transport in Dye Sensitized Solar Cells with TiO2/ZnO Core-Shell Photoelectrode," Proc. of the 35th IEEE Photovoltaic Specialist Conference (2010) 003256-003259.

9. M.Shanmugam, B. Bills, M. F. Baroughi, "Overview of Atomic Layer Deposited Metal Oxides for Treating Nanoporous TiO2 Photoelectrodes for Dye Sensitized Solar Cells,” Proc. of the 35th IEEE Photovoltaic Specialist Conference, (2010) 003248-003252.

10. J. Wang, M. F. Baroughi, M.Shanmugam, S. Sivoththaman et al., "Passivation of Silicon Surfaces using Atomic Layer Deposited Metal Oxides,” Mater. Res. Soc. Symp. Proc. 1153(2009) 1153-A07-17.

11. M.Shanmugam, M. F. Baroughi and X. Yan, "Synthesis and Characterization of Highly Transparent Glass for Photovoltaic Applications," Mater. Res. Soc. Symp. Proc. 1113(2009) 1113-F09-24.

12. M.Shanmugam, M. F. Baroughi and D. Galipeau, "Atomic Layer Deposited Ultra-thin HfO2 and Al2O3 Interfacial Layers for High Performance Dye Sensitized Solar Cells,” Proc. of the 34th IEEE Photovoltaic Specialist Conference (2009) 002462-002466.

13. M.Shanmugam, B. Braden, M. F. Baroughi and D. Galipeau, "Analysis of Carrier Transport in Dye Sensitized Solar Cells Using Temperature Dependent Dark I-V Characteristics,” Proc. of the 34th IEEE Photovoltaic Specialist Conference (2009) 001992 - 001994.

14. M.Shanmugam, B. Braden, M. F. Baroughi and D. Galipeau, "Effect of Room Temperature, Low Power Oxygen Plasma Treatment of Photoelectrode on Dye Sensitized Solar Cell’s Performance," Proc. of the 34th IEEE Photovoltaic Specialist Conference (2009) 001995 - 001997.

15. M.Shanmugam, M. F. Baroughi and D. Galipeau, "Comparison of RF-Sputtered and sol gel processed TiO2 thin films as a compact layer for DSSC application," Technical Digest of   18th International PVSEC (2009).

16. J. Wang, M.Shanmugam, M. F. Baroughi, et al., “Efficient passivation of Silicon surfaces using atomic layer deposition of dielectrics," Technical Digest of 18th International PVSEC (2009).

17. M. F. Baroughi, J. Wang, M.Shanmugam, "Micromorph Si-Multicrystalline Si Tandem Solar Cells for Cost Effective Photovoltaics," Proc. of the 33rd IEEE Photovoltaic Specialist Conference (2008) 1-4.

18. M.Shanmugam, M. F. Baroughi, X. Yan and D. Galipeau, "Design and fabrication of new sol gel based planar solar concentrator for cost effective photovoltaics," Proc. of the 33rd IEEE Photovoltaic Specialist Conference (2008)1-4.

19. K. Ganesan, M.Shanmugam, H. L. Bhat, "Growth and characterization of dilute magnetic semiconductor Ga0.98Mn0.02Sb,” Proc. of the 17th MRSI conference, 147-148, (2006).

20. K. Ganesan, M.Shanmugam H.L.Bhat, "Growth and studies of In1-xMnxSb epilayers by liquid phase epitaxy," Proc. of the 13th International Workshop on Physics of semiconductor Devices, 1596-1600 (2005).  

   CONFERENCE PRESENTATIONS

1. Kulandai Velu Ramanathan, Balakrishnan Shankar, Shantikumar V. Nair, and M.Shanmugam* “Morphological, Optical and Charge Transport Characteristics in CdTe-CdS Hetero-structured Films on Carbon Fiber Network” International Conference on Advances in Material Science and Chemistry ICAMSC-2020, 10th -12th August 2020, Kerala, India.

2. Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “Effect of Gas-phase Surface Passivation on Charge Transport and Recombination in 2D Layered MoSe2/Electrolyte Interface” International Conference on Advances in Material Science and Chemistry ICAMSC-2020, 10th -12th August 2020, Kerala, India.

3. Kulandai Velu Ramanathan, Balakrishnan Shankar, Shantikumar V. Nair, and M.Shanmugam* “Substrates Controlled Nano-morphological Growth of CdTe Films by Close Space Sublimation” International Conference on Advances in Material Science and Chemistry ICAMSC-2020, 10th -12th August 2020, Kerala, India.

4. Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “Microwave Engineered Nano-structural and Photo-responsive Characteristics of 2D Layered MoSe2” Bangalore India Nano 2020, Bengaluru, India.

5. Ranjana George, Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “RF-Sputtered CdS Coated TiO2: Hetero-structured Photoanodes for Wide Spectral Energy Absorption in Dye Sensitized Solar Cells” Bangalore India Nano 2020, Bengaluru, India.

6. Arya Babu, Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “RF-Sputtered WO3 Surface Passivation on TiO2 for Dye Sensitized Solar Cells” Bangalore India Nano 2020, Bengaluru, India.

7. Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “Effect of post annealing treatment on electrophoretically deposited Layered MoSe2” International Conference on Advanced Materials (SCICON’19) 2019, Tamil Nadu, India.

8. Arya Vasanth, Shantikumar V. Nair, and M.Shanmugam* “Thermally Activated Charge Transport Characteristics of electrophoretically Intercalated 2D Layered MoSe2” International Conference on Advanced Materials, (ICAM) 2019, Kerala, India.

9. K. V. Ramanathan, N. Suresh Powar, S.V. Nair, B. Shankar and M.Shanmugam* “Effect of RF-Sputtered Cadmium Sulfide Thickness in Cadmium Telluride Heterojunction Photovoltaic Devices” The 3rd International Conference on Optoelectronic and Nano Materials for Advanced Technology, Jan 2-5, 2019, Kerala, India.

10. N. Suresh Powar, K. V. Ramanathan, S.V. Nair, B. Shankar and M.Shanmugam* “pH-Engineered Hole Transport Characteristics in cadmium Telluride Quantum Dot Solar Cells” The 3rd  International Conference on Optoelectronic and Nano Materials for Advanced Technology, Jan 2-5, 2019, Kerala, India.

11. H. Nair, A. Ashok, S. V Nair, M. Shanmugam* “Hydrothermal Processed 2D-Layered WS2 as Counter Electrode in Dye Sensitized Solar Cells” The 3rd International Conference on Optoelectronic and Nano Materials for Advanced Technology, Jan 2-5, 2019, Kerala, India.

12. K. V. Ramanathan, N. Suresh Powar, S.V. Nair, B. Shankar and M.Shanmugam* “Close Spaced Sublimation of Cadmium Telluride on Mesoporous TiO2 for Electro-chemical Solar Cell Application” The 3rd  International Conference on Optoelectronic and Nano Materials for Advanced Technology, Jan 2-5, 2019, Kerala, India.

13. L. Srinivasan, G. Gopakumar, S.V Nair and M.Shanmugam* “Surface Plasmon Assisted Performance Enhancement in Pyro Synthesized Tin Oxide Based Dye Sensitized Solar Cells” The 3rd International Conference on Optoelectronic and Nano Materials for Advanced Technology, Jan 2-5, 2019, Kerala, India.

14. V. K. Sreelekshmi, A. Ashok, Shantikumar V. Nair, and M. Shanmugam* “Graphene Quantum Dots Activated Photo-absorption and Photo-current in TiO2 Nanoparticle Films”, 2nd International Conference on Recent Trends in Materials Science and Technology, Oct10-13, 2018, Kerala, India.

15. G. Gopakumar, A. Ashok, S. N. Vijayaraghavan, Shantikumar V. Nair, and M. Shanmugam* “MoO3 Passivation Induced Parasitic Resistances and Performance Variation in Dye Sensitized Solar Cells”, 2nd International Conference on Manufacturing Science and Technology, Oct10-13, 2018, Kerala, India.

16. A. Ashok, K. V. Ramanathan, G. Gopakumar, Shantikumar V. Nair, and M.Shanmugam* “Spray Pyrolysis Coated CdTe on a-Si for Heterojunction Solar Cell Application”, 2nd International Conference on Recent Trends in Materials Science and Technology, Oct10-13, 2018, Kerala, India.

17. G. Gopakumar, H. Menon, A. Ashok, Shantikumar V. Nair, and M.Shanmugam* “Studies on Atomically Thin MoS2 Mediated Charge Transport in Dye Sensitized Solar Cells”, 2nd International Conference on Recent Trends in Materials Science and Technology, Oct10-13, 2018, Kerala, India.

18. A. Ashok, G. Gopakumar, Shantikumar V. Nair, and M.Shanmugam* “Effect of Trapping, De-trapping Mediated Charge Transport on Hysteresis Behavior of SnO2 Nanoplatelets Based Dye Sensitized Solar Cell”, 2nd International Conference on Recent Trends in Materials Science and Technology, Oct10-13, Kerala, India.

19. V. K. Sreelekshmi, A. Ashok, Shantikumar V. Nair, and M.Shanmugam* “Graphene Quantum Dots Enabled Photoabsorption in Mesoporous TiO2 for Excitonic Solar Cell Application”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications. 11-13 May 2018, Kerala, India.

20. A. Ashok, Shantikumar V Nair, and M.Shanmugam* “Studies on Defect Mediated Charge Transport and Recombination Dynamics in SnO2 Based Dye Sensitized Solar Cells”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications. Kerala, 11-13 May 2018, Kerala, India.

21. G. Gopakumar, Ashok, A., Shantikumar V. Nair, and M.Shanmugam* “Hydrothermal Assisted Heterogeneous MoS2 Enabled Performance Enhancement in Dye Sensitized Solar Cells”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications, 11-13 May 2018, Kerala, India.

22. H. Menon, G. Gopakumar, SN. Vijayaraghavan, A. Ashok, Shantikumar V Nair, and M.Shanmugam* “Effect of 2D Layered WS2 Nanoflakes on SnO2 Based Dye Sensitized Solar Cell Performance”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications, 11-13 May 2018, Kerala, India.

23. S. N. Vijayaraghavan, H. Menon, G. Gopakumar, Shantikumar V. Nair, M.Shanmugam* “Studies on Charge Transport and Recombination in MoO3 Coated SnO2 Based Dye Sensitized Solar Cells”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications, 11-13 May 2018, Kerala, India.

24. G. Gopakumar, A. Ashok, Shantikumar V. Nair, and M.Shanmugam* “2D Layered MoS2 Enabled Photo-responsive Characteristics in TiO2 Nanoparticle Film”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications. India, 11-13 May 2018, Kerala, India.

25. A. Ashok, G. Gopakumar, Shantikumar V. Nair, and M.Shanmugam* “FTO/TiO2 Interface Engineering by MoO3 Thin Films for Dye Sensitized Solar Cell Applications”, Third International Conference on Nanomaterials: Synthesis, Characterization and Applications. 11-13 May 2018 Kerala, India.

26. A. Ashok, G. E. Unni, V. Raghavan, S. V. Nair and M.Shanmugam* “Spray Pyrolysis Deposited CdTe/CdS Thin Film Heterojunction for Photovoltaic Applications” Nano India, 15-16 March 2017, IIT Delhi, India.

27. G. Gopakumar, H. Menon, S. V. Nair, and M.Shanmugam* “MoS2 Layered Semiconductor: An Efficient Electron Transport Bridge in Mesoscopic Electron Acceptor for Dye Sensitized Solar Cell Applications” Nano India, 15-16 March 2017, IIT Delhi, India.

28. G. E. Unni, S. V. Nair, and M.Shanmugam* “Two Dimensional SnO2 Nanoplates for Efficient Photo-electron Transport in Excitonic Solar Cells” Nano India, 15-16 March 2017, IIT Delhi, India.

29. M.Shanmugam, R. Jacobs-Gedrim, E. S. Song, and B. Yu, “Functionalized Graphene: Material for Energy Harvesting,” Material Research Society Fall Meeting, Boston, MA, November 30 - December 5, 2014, Boston, USA.

30. M.Shanmugam, Y. Xu, and B. Yu, “Solar Photovoltaic Cells Based on Multilayer Transition-Metal-Dichalcogenide,” International Conference in Nanosciences & Nanotechnologies, July 8-11, 2014, Thessaloniki, Greece.

31. E. S. Song, M.Shanmugam, F. Yang, R. Jacobs-Gedrim, N. Jain, and B. Yu, “Hybrid p-n Junction of MoS2 and Fluorinated Graphene,” Material Research Society Fall Meeting, November 30 - December 5, 2014, Boston, USA.

32. E. S. Song, M.Shanmugam, N. Jain, F. Yang, R. Jacobs-Gedrim, and B. Yu, “CVD Growth of Monolayer MoS2,” AVS Hudson Mohawk Chapter Fall Meeting, October 6, 2014, Troy, USA.

33. M.Shanmugam, R. Jacobs-Gedrim, E. S. Song, and B. Yu, “2D Semiconductor/Graphene Schottky Barrier Solar Cells,” Material Research Society Fall Meeting, November 30 - December 5, 2014, Boston, USA.

34. M.Shanmugam, R. Jacobs-Gedrim, E. S. Song, and B. Yu, “Hexagonal Boron Nitride: Layered Crystalline Dielectric for Surface Passivation in Quantum Dot Solar Cell,” Material Research Society Fall Meeting, November 30 - December 5, 2014, Boston, USA.

35. M.Shanmugam, R. Jacobs-Gedrim and B. Yu, "2D Layered Insulator Enabled Surface Passivation in Dye-Sensitized Solar Cell,” Material Research Society Fall Meeting, December 1-6, 2013, Boston, MA, USA.

36. M.Shanmugam, R. Jacobs-Gedrim and B. Yu, "Layered h-BN Passivation for Bulk Heterojunction Solar Cells,” Material Research Society Fall Meeting, December 1-6, 2013, Boston, MA, USA.

37. R. Jacobs-Gedrim, M.Shanmugam, N. Jain, C. Durcan, T. Murray, R. Moore II, R. Matyi, and B. Yu, “Highly Responsive Photodetector Based on 2D Semiconductor In2Se3 Nanosheet,” Material Research Society Fall Meeting, December 1-6, 2013, Boston, MA, USA.

38. M.Shanmugam, C. Durcan, R. Jacobs-Gedrim, and B. Yu, “Two-Dimensional Layered Semiconductor / TiO2 Nanoparticles Based Bulk Heterojunction Solar Cells,” Material Research Society Fall Meeting, November 25-30, 2012, Boston, MA, USA.

39. M.Shanmugam, C. Durcan, R. Jacobs-Gedrim, and B. Yu, “Layer Transferred MoS2 Nanomembranes in Schottky Solar Cell,” Material Research Society Fall Meeting, November 25-30, 2012, Boston, MA, USA.

40. M.Shanmugam, C. Durcan, and B. Yu, “Carrier Transport and Recombination at Multilayer Graphene Oxide/CdSe/TiO2 Interfaces in Heterojunction Solar Cell,” Material Research Society Fall Meeting, November 25-30, 2012, Boston, MA, USA.

41. M.Shanmugam, T. Bansal, C. Durcan, and B. Yu, “MoS2/TiO2 Nanoparticle Composite Bulk Heterojunction Solar Cell,” IEEE NanoTechnology Conference, August 20-23, 2012, Birmingham, UK.

42. M.Shanmugam and M. Farrokh Baroughi, “Gas Phase Surface Passivation Schemes for Dye Sensitized Solar Cells”: NSF-EPSCoR Conference, June 1-3, 2011, Chamberlain, USA.

43. B. Bills, M.Shanmugam, M. Farrokh Baroughi and D. Galipeau, “X-Ray Photoelectron Spectroscopy Analysis of Ultrathin HfO2 Layer on Colloidal TiO2 Film: Implications for Improved Dye Sensitized Solar Cell Performance” NSF-EPSCoR Conference, June 13-15, 2010, Chamberlain, USA.

44. M.Shanmugam, B. Bills, M. Farrokh Baroughi and D. Galipeau, “Activation Energy of Electron Transport - A Direct Approach to Study the Effect of Surface States on Dye Sensitized Solar Cell Performance” NSF-EPSCoR Conference, June 13-15, 2010, Chamberlain, USA.

45. M.Shanmugam, B. Bills, M. Farrokh Baroughi and D. Galipeau, “Sol-Gel Processed ZnO Light Scattering Layer for Improved Dye Sensitized Solar Cell Performance” NSF-EPSCoR Conference, June 13-15, 2010, Chamberlain, USA.

46. M.Shanmugam, B. Bills, M. Farrokh Baroughi and D. Galipeau, “Growth and Microstructural Characterization of Metal Oxides on Nanoporous TiO2 for Dye Sensitized Solar Cell Application” NSF-EPSCoR Conference, June 13-15, 2010, Chamberlain, USA.

47. M.Shanmugam, B. Bills, M. Farrokh Baroughi and D. Galipeau, “Surface Treated Mesoporous TiO2 by Atomic Layer Deposited Metal Oxides for High Performance Dye Sensitized Solar Cells” The South Dakota/Wyoming EPSCoR 2009 Joint State Conference, September 23-24, 2009, Rapid City, SD, USA.

48. B. Bills, M.Shanmugam, M. Farrokh Baroughi and D. Galipeau, “Effect of Atomic Layer Deposited HfO2 Compact Layer on the Performance of Dye Sensitized Solar Cells” The South Dakota/Wyoming EPSCoR 2009 Joint State Conference, September 23-24, 2009, Rapid City, SD, USA.

49. D. Andrawis, B. Bills, M.Shanmugam, M. Farrokh Baroughi, “Design and Development of Transient Current and Voltage Spectroscopy for Dye Sensitized Solar Cell Characterization” The South Dakota/Wyoming EPSCoR 2009 Joint State Conference, September 23-24, Rapid City, 2009, SD, USA.

50. M.Shanmugam, M. Farrokh Baroughi, “RF-Sputtered TiO2 thin film as a compact layer for DSSC application” SD-EPSCoR State Conference, Septemper 11, 2008, Sioux Falls, USA.

51. J. Wang, M.Shanmugam, M. Farrokh Baroughi, “Defect passivation on Silicon by Atomic Layer Deposition and Sol-Gel Techniques” SD-EPSCoR State Conference, Septemper 11, 2008, Sioux Falls, USA.

52. C. Maow, D. Fredrich, M.Shanmugam, M. Farrokh Baroughi, X. Z. Yan and D.Galipeau, “Planar Concentrator for High Efficiency Solar Cells” ND/SD EPSCoR 6th Biennial Joint Conference, 7th Sep, 2007, Fargo, ND, USA.

53. M.Shanmugam, M. Farrokh Baroughi, X. Z. Yan and D.Galipeau, “Sol-Gel Processed Silicate Concentrators for Photovoltaic Device Applications” ND/SD EPSCoR 6th Biennial Joint Conference, 7th Sep, 2007, Fargo, ND, USA.

54. K. Ganesan, M.Shanmugam, H.L.Bhat. “Electrical and magnetic properties of In1-xMnxSb/GaAs dilute magnetic semiconductors grown by liquid phase epitaxy” Workshop on Spintronics, Institute of Advanced Studies, May 8 – 12, 2006, Nanyang Technical University, Singapore.