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Assistant Professor

Department of Ceramic Engineering,

Indian Institute of Technology (BHU),

Varanasi, 221005 India

Publication

Book Chapters

1. S. Das, P. Sudhagar, Y. S. Kang, and W. Choi, Synthesis, and Characterizations of Graphene; Carbon Nanomaterials for Advanced Energy Systems, Willey Interscience, Published Online on October 3, 2015.
2. A. K. Bandyopadhyay, S. Das, and A. Biswas: Chapter 11:Quantum Breathers and Phonon Bound State in the Ferroelectric System, Computational and Experimental Chemistry Developments and Applications, Ed by: T. Chakraborty, M. J. Bucknum, and E. A. Castro, Apple Academic Press, NEW JERSEY, 2012.
3. S. Das and W. Choi, Graphene Synthesis, Graphene: Synthesis and Applications; Series: Nanomaterials and their Applications, CRC Press, Taylor & Francis Group, Published on October 2011.

 

Journals

International Peer Reviewed Journal Publications:

Peer Reviewed Journal Publications (Selected):
59. Bhattacharyya, R.; Prakash, O.; Roy, S.; Singh, A. P.; Bhattacharyya, T. K.; Maiti, P.; Bhattacharyya, S.; and Das, S.; Graphene oxide-ferrite hybrid framework as enhanced broadband absorption in gigahertz frequencies, (2019) Nature Scientific Reports, (2019) 9, 12111.
58. Rawat, S. S.; Harsha, A. P.; Das, S.; Agarwal, P. D.; Effect of CuO and ZnO nano-additive on the tribological performance of paraffin oil-based lithium grease, Tribology Transactions (2019) Article in press doi.org/10.1080/10402004.2019.1664684.
57. Khawas, K.; Daripa, S.; Kumari, P.; Das, S.; Dey, R.K.; Kuila, B. K.;  Highly Water Soluble Rod-Coil Conjugated Block Copolymer for Efficient Humidity Sensor, Macromolecular Chemistry and Physics, (2019) 1900013. https://doi.org/10.1002/macp.201900013.
56. Banerjee, A,; Chattyopadhyay, S.; Kundu, A.; Sharma, R. K.; Maiti, P.; Das, S.; Vertically aligned zinc oxide nanosheet for high-performance photocatalysis of water pollutants Ceramic International (2019) 45 (14) 16821-16828.
55. Daripa, S.; Khawas, K.;  Das, S.; Kuila, B. K.; Aligned proton conducting graphene sheets via block copolymer supramolecular assembly and their application for highly transparent moisture sensitive conductive coating, ChemistrySelect (2019) 4 (25) 7523-7531. 
54. Ghosh, S. K.; Yadav, V. S.;  Das, S.;  Bhattacharyya, S.;Tunable Graphene Based Metasurface for  Polarization-Independent Broadband Absorption in Lower Mid Infrared (MIR) Range IEEE Transactions on Electromagnetic Compatibility, (2019) DOI: 10.1109/TEMC.2019.2900757.
53. MohdZain, N. K.;  Vijayan, B. L.;  Misnon, I. I.;  Das, S.;  Karuppiah, C.;  Yang, C.-C.;  Yusoff, M. M.; Jose, R., Direct Growth of Triple Cation Metal–Organic Framework on a Metal Substrate for Electrochemical Energy Storage. ACS Industrial & Engineering Chemistry Research (2018); DOI: 10.1021/acs.iecr.8b03898.
52. Bhattacharyya, R.; Roy, S.; Prakash, O.; Singh, A. P.; Bhattacharyya, T. K.; Maiti, P.; Bhattacharyya, S.; Das, S.; Mg0.5Zn0.5Fe2O4-polyurethane thin nanocomposite coating as broadband microwave absorber, Springer Nature Applied Sciences, (2019) 1, 38. doi.org/10.1007/s42452-018-0041-8.
51. Kuila, B. K.; Zaeem, S. M.; Daripa, S.; Kaushik, K.; Gupta, S. K.; and Das, S.; Mesoporous Mn3O4 coated reduced graphene oxide for high-performance supercapacitor applications. Materials Research Express (2019) 6 (1), 015037.
50. Bhattacharyya, S.; Yadav, V. S. ; Ghosh, S. K.; and Das, S.; Wideband Tunable Mid-infrared Cross-polarization Converter Using Monolayered Graphene-Based Metasurface over A Wide Angle of Incidence, IET Microwaves, Antennas & Propagation, (2018) DOI:  10.1049/iet-map.2018.5373.
49. Yadav,V. S.; Ghosh, S. K.; Bhattacharyya,S.; and Das, S.; Graphene-based metasurface for a tunable broadband terahertz cross-polarization converter over a wide angle of incidence Applied Optics, (2018) 57 8720-8726.
48. Kumar, S.; Maurya, I.C.; Prakash, O.; Srivastava, P.; Das, S.; and Maiti, P.; Functionalized Thermoplast Polyurethane as Hole Conductor for Quantum Dot Sensitized Solar Cell, ACS Applied Energy Materials, (2018) 1 (9), 4641–4650, DOI: 10.1021/acsaem.8b00783
47. Nair, R. B.; Arora, H. S.; Mandal, P., Das, S.;Grewal, H.S.; High‐Performance Microwave‐Derived Multi‐Principal Element Alloy Coatings for Tribological Application, Advanced Engineering Materials, (2018) doi.org/10.1002/adem.201800163.
46. Das, S.; Arora, H. S.; Mukherjee, S.; Das, S., Arora, H. S. & Mukherjee, S. Metallic Glass Nano-composite Thin Films for High-performance Functional Applications, Sp. Ed. Nanostructured Surfaces for Improved Functional Properties, JOM (2017), doi:10.1007/s11837-017-2365-z.
45. Jeong, JY.; Lee, KM.; Shrestha, R.; Horne, K.; Das, S.; Choi, W.; Kim, M.; Choi, TY.; Thermal conductivity measurement of few layer graphene film by a micropipette sensor with laser point heating source, Materials Research Express, 2016, 3, 055004.
44. Das, S.; Choudhary, K.; Chernatynskiy, A.; Yim, H.; Bandyopadhyay, A.; Mukherjee, S.; Spin-exchange interaction between transition metals and metalloids in soft ferromagnetic metallic glasses, Journal of Physics: Condensed Matter 2016 28 216003 (dx.doi.org/10.1088/0953-8984/28/21/216003).
43. Das, S.; Martinez, N.; Das, S.; Mishra, Rajiv S.; Grant, Glenn J.; Jana, S.; and Polikarpov, E.; Magnetic Properties of Friction Stir Processed Composite, Journal of Metals, 2016, DOI: 10.1007/s11837-016-1881-6.
42. Das, S.; Santos, R.; Arora, H.S.; Mridha, S.; Shepherd, N.D.; Mukherjee, S.;Electro-mechanical behavior of pulsed laser deposited platinum-based metallic glass thin films, Physica Status Solidi A2015, DOI: 10.1002/pssa.201532639.
41. Das, S.; Garrison, S.; Mukherjee, S., Bi-Functional Mechanism in Degradation of Toxic Water Pollutants by Catalytic Amorphous Metals. Advanced Engineering Materials 2015, DOI: 10.1002/adem.201500239. (SpotlightedasWiley-VCH featured Article, July 2015)
40. Veligatla, M.; Das, S.; Lee, W.; Hwang, J.; Thumthan, O.; Hao, Y.; and Mukherjee, S.; Tuning the magnetic properties of Cobalt-based metallic glass nano-compositesFuturistic Nanomaterials and Composites Special Edition, Journal of Metals, 2015, 10.1007/s11837-015-1584-4.
39. Mridha, S.; Das, S.; Aouadi, S.; Mukherjee, S.; and Mishra, R. S.; Nanomechanical Behavior of CoCrFeMnNi High-Entropy Alloy. Journal of Metals, 2015, 67 (10),2296-2302.
38. Vabbina, P. K.; Choudhary, N.; Chowdhury, A.-A.; Sinha, R.; Karabiyik, M.; Das, S.; Choi, W.; Pala, N., Highly Sensitive Wide Bandwidth Photodetector Based on Internal Photoemission in CVD Grown P-Type MoS2/Graphene Schottky Junction. ACS Applied Materials & Interfaces 2015, DOI: 10.1021/acsami.5b00887.
37. Das, S.; Bandi, V.; Arora, H. S.; Veligatla, M.; Garrison, S.; D'Souza, F.; Mukherjee, S., Synergistic catalytic effect of iron metallic glass particles in direct blue dye degradation.Journal of Materials Research, Cambridge University Press 2015, 30 (08), 1121-1127.
36. Veligatla, M.; Katakam, S.; Das, S.; Dahotre, N.; Gopalan, R.; Prabhu, D.; ArvindhaBabu, D.; Choi-Yim, H.; Mukherjee, S., Effect of Iron on the Enhancement of Magnetic Properties for Cobalt-Based Soft Magnetic Metallic Glasses. Metallurgical and Materials Transactions A 2014, 1-5.
35. Das, S., Sudhagar, P.; Kang, Y. S.; Choi, W., Graphene synthesis and application for solar cells, Journal of Materials Research, Cambridge University Press(2014), 29, 299 - 319. DOI: 10.1557/jmr.2013.297.
34. Das, S.; Kim, M.; Lee, J.-w.; Choi, W., Synthesis, Properties, and Applications of 2-D Materials: A Comprehensive Review, Critical Reviews in Solid State and Materials Sciences 2014, 39, 231-252.
33. Das, S.; Lahiri, D.; Agarwal, A.; Choi, W., Interfacial bonding characteristics between graphene and dielectric substrates, Nanotechnology 2014, 25, 045707.
32. Devadoss, A.; Sudhagar, P.; Das, S.; Lee, S. Y.; Terashima, C.; Nakata, K.; Fujishima, A.; Choi, W.; Kang, Y. S.; Paik, U., Synergistic Metal–Metal Oxide Nanoparticles Supported Electrocatalytic Graphene for Improved Photo-electrochemical Glucose Oxidation, ACS Applied Materials & Interfaces 2014, 6, 4864-4871.
31. Choi, D.; Kuru, C.; Choi, C.; Noh, K.; Hong, S.-K.; Das, S.; Choi, W.; Jin, S., Nanopatterned Graphene Field Effect Transistor Fabricated Using Block Co-polymer Lithography, Materials Research Letters 2014, 1-9.
30. Vabbina, P. K.; Pala, N.; Das, S.; Choi, W.B.; Controlled Synthesis of ZnO Nanoflakes on Arbitrary Substrates at Ambient Conditions, Particle & Particle Systems Characterization, 2013, 1-5, DOI: 10.1002/ppsc.201300208.
29. Zhang, C.; Chaudhary, U.; Das, S.; Godavarty, A.; and Agarwal, A.; Effect of Porosity on Photocatalytic Activity of Plasma Sprayed TiO2 Coating, The Journal of Thermal Spray Technology 2013, 22, 1193-1200. (Impact Factor: 1.491)
28. Das, S.; Lahiri, D.; Lee, D.-Y.; Agarwal, A.; Choi, W., Measurements of the adhesion energy of graphene to metallic substrates, Carbon 2013, 59, 121–129.
27. Das, S.; Sudhagar, P.; Ito, E.; Lee, D.-y.; Nagarajan, S.; Lee, S. Y.; Kang, Y. S.; Choi, W., Effect of HNO3 functionalization on large scale graphene for enhanced tri-iodide reduction in dye-sensitized solar cells, Journal of Materials Chemistry 2012, 22, 20490-20497.
26. Das, S.; Sudhagar, P.; Nagarajan, S.; Ito, E.; Lee, S. Y.; Kang, Y. S.; Choi, W., Synthesis of graphene-CoS electro-catalytic electrodes for dye sensitized solar cells, Carbon 2012, 50, 4815-4821.
25. Lahiri, D.; Das, S.; Choi, W.; Agarwal, A., Unfolding the Damping Behavior of Multilayer Graphene Membrane in the Low-Frequency Regime. ACS Nano 2012, 6, 3992-4000.
24. Das, S.; Sudhagar, P.; Verma, V.; Song, D.; Ito, E.; Lee, S. Y.; Kang, Y. S.; Choi, W., Amplifying Charge-Transfer Characteristics of Graphene for Tri-iodide Reduction in Dye-Sensitized Solar Cells. Advanced Functional Materials 2011, 21, 3729-3736.
23. Das, S.; Seelaboyina, R.; Verma, V.; Lahiri, I.; Hwang, J. Y.; Banerjee, R.; Choi, W., Synthesis and characterization of self-organized multilayered graphene-carbon nanotube hybrid films, Journal of Materials Chemistry 2011, 21.
22. Lahiri, I.; Das, S.; Kang, C.; Choi, W., Application of carbon nanostructures-Energy to electronics. Journal of Metals 2011, 63, 70-76.
21. Verma, V. P.; Das, S.; Lahiri, I.; Choi, W., Large-area graphene on polymer film for flexible and transparent anode in field emission device, Applied Physics Letters 2010, 96, 203108-1-3.
20. Verma, V. P.; Das, S.; Hwang, S.; Choi, H.; Jeon, M.; Choi, W., Nitric oxide gas sensing at room temperature by functionalized single zinc oxide nanowire, Materials Science and Engineering: B 2010, 171, 45-49.
19. Roy, J.; Bandyopadhyay, N.; Das, S.; Maitra, S., Role of V2O5 on the formation of chemical mullite from aluminosilicate precursor, Ceramics International 2010, 36, 1603–1608.
18. Saha, D.; Das, S.; Sengupta, K., Development of commercial nanoporous trace moisture sensor following sol-gel thin film technique, Sensors and Actuators B-Chemical 2008, 128, 383–387.
17. Maitra, S.; Das, S.; Ray, R.; Mitra, N. K., Role of some transition metal cations on the kinetics of thermal dehydration of synthetic zeolites, Ceramics International 2008, 34, 485–490.
16. Das, S.; Chakraborty, S.; Parkash, O.; Kumar, D.; Bandyopadhyay, S.; SK Samudrala, SK.; Sen, A.; Maiti, HS.;  Vanadium doped tin dioxide as a novel sulfur dioxide sensor Talanta 2008, 75, 2 385-389.
15. Seal, A.; Das, S.; Mazumder, R.; Sen, A., Low-frequency dispersion in low-temperature fast-fired PZT. Journal of Physics D-Applied Physics 2007, 40, 7560.
14. Maitra, S.; Pal, A. J.; Bandyopadhyay, N.; Das, S.; Pal, J., Use of genetic algorithm to determine the kinetic model of solid-state reactions. Journal of the American Ceramic Society 2007, 90, 1611–1614.
13. Maitra, S.; Das, S.; Sen, A., The role of TiO2 in the densification of low cement Al2O3-MgO spinel castable, Ceramics International 2007, 33, 239–243.
12. Maitra, S.; Bandyopadhyay, N.; Das, S.; Pal, A. J.; Pramanik, M. J., Non-isothermal decomposition kinetics of alkaline earth metal carbonates, Journal of the American Ceramic Society 2007, 90, 1299–1303.
11. Maitra, S.; Das, S.; Das, A. K.;Basumajumdar, A., Effect of heat treatment on properties of steam cured fly ash-lime compacts. Bulletin of Materials Science 2005, 28, 697-702.
10. Maitra, S.; Ahmad, F.; Das, A. K.; Dutta, Das, S.; B. K.; Effect of curing conditions and ionic additives on properties of fly ash-lime compacts, Bulletin of Materials Science 2010, 33, 185-190.
9. Das, S., Chakraborty, S.,  Parkash, O., Kumar, D., Bandyopadhyay, S.,  Samudrala, S.K.,  Sen, A., Maiti, H.S., Vanadium doped tin dioxide as a novel sulfur dioxide sensor, Talanta 75 (2008) 385-389.  
8. Maitra, S; and Das, S.; Effect of TiO2 on the properties of ultra-low cement Al2O3-MgO spinel castable, Refractory and Industrial Ceramics 2006, 47, 63-67.
7. Roy, J.; Bandyopadhyay, N.; Das, S.; and Maitra, S.; Studies on the Formation of Mullite from Diphasic Al2O3-SiO2 Gel by Fourier Transform Infrared SpectroscopyIran. J. Chem. Chem. Eng. 30, 1, (2011) 65-71.
6. Roy, J., Bandyopadhyay, N., Das, S., Maitra, S., Effect of Synthetic Fe2O3 on the Properties of Mullite Ceramics Derived from Di-phasic Al2O3-SiO2 Gel J Aust. Ceram. Soc. 46 (2010) 15-22.
5. Roy, J.; Bandyopadhyay, N.; Das, S.; and Maitra, S.; Effect of copper ions on mullite formation from alumino-silicate precursor, Ceramic Sillikaty, 2010, 128-132.
4. Roy, J.; Bandyopadhyay, N.; Das, S.; and Maitra, S.; Role of Cr2O3 on the mullitization of diphasic Al2O3-SiO2 gelCerâmica56 (2010) 273-278.
3. Roy, J.; Bandyopadhyay, N.; Das, S.; and Maitra, S.; Effect of CoO on the Formation of Mullite Ceramics from Diphasic Al2O3-SiO2 Gel Journal of Engineering Science and Technology Review 3 (2010) 136-141.
2. Maitra, S., Das, S., Sen, A., Bandyopadhyay, N., Das, K., Patra, S., Ghosh, B. Synthesis of mullite-SiC composites and its characterization, J Aust. Ceram. Soc., 42 (2006) 22-26.
1. Maitra, S., Chatterjee, R., Das, S., Rahaman, A.; A new approach for the synthesis of ceria stabilized zirconia-mullite composites and their characterization, J Aust. Ceram. Soc. 42 (2006) 71-75.
 

Conference Proceedings:

15. R. Bhattacharyya, Jyoti, A. Gupta, O. Prakash, S. Roy, T. K. Bhattacharyya, P. Maiti, S. Bhattacharyya, and S. Das, In-situ synthesis of (Mg0.5Zn0.5)Fe2O4-graphene oxide nanocomposite for broadband microwave absorption in GHz frequency range, 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), 9-15 March 2019, DOI: 10.23919/URSIAP-RASC.2019.8738396.
14. V. S. Yadav, S. K. Ghosh, S. Bhattacharya, S. Das, In-situ synthesis of (Mg0.5Zn0.5)Fe2O4-graphene oxide nanocomposite for broadband microwave absorption in GHz frequency range,  2019 URSI Asia Pacific Radio Science Conference (AP-RASC 2019), New Delhi, India, 9-15 March, 2019.
13. S. K. Ghosh, S. Das, and S. Bhattacharyya,  A Graphene Based Broadband Metasurface Absorber in the Terahertz Region, 2019 URSI Asia Pacific Radio Science Conference (AP-RASC 2019), New Delhi, India, 9-15 March, 2019.
12. S. K. Ghosh, V. S. Yadav, S. Bhattacharyya, and S. Das, “A Graphene Based Bandwidth Enhanced Metamaterial Absorber using Circular Ring,” accepted for presentation in IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, 8-13 July, 2018, Boston, USA.
11. Graphene Based Metasurface with Tunable Dual Band Mid-Infrared Cross Polarization Converter, IEEE ATMS conference, (2018) IEEE Xplore.
10. R. Bhattacharyya, D. K. Jha, O. Prakash, A. P. Singh, S. Bhattacharyya, and S. Das, Ultra-thin Ferrite Nanocomposite Coating as Broadband Microwave Absorber, 6th biennial IEEE Applied Electromagnetics Conference (AEMC-2017), 2017,IEEE Xplore.
9. Das et al.; Enhancement of Catalytic Effect of Iron Metallic Glass Particles in AZO Dye Degradation. Texas Journal of Microscopy, 2015, 46 (1) 10.
8. Das et al.; Engineering carbon nanomaterials for future applications: energy and biosensor. Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III 2011, 80311K-80311K.
7. Verma, V.P.; Das et al.;Large Area Graphene on Polymer Films for Transparent and Flexible Field Emission Device: MRS Proceedings 2011 1283: mrsf10-1283-b08-03 (7 pages) DOI: 10.1557/opl.2011.801.
6. P.K. Vabbina, Das et al., Synthesis of Crystalline ZnO Nanoflakes on Graphene and Other Substrates at Ambient Conditions, MRS Symposium Proceeding 2012 1449: DOI: http://dx.doi.org/10.1557/opl.2012.1041.
5. Hadjikhani, A.; Chen, J.; Das et al.; Raman Spectroscopy of Graphene and Plasma Treated Graphene under High Pressure. Proceedings of TMS, USA John Wiley & Sons, Inc.: 2012; pp 75-79.
4. Karabiyik, M.; Al-Amin, C.; Das et al.; Sub-wavelength, multimode, tunable plasmonic terahertz lenses and detectors. 2012, 83630L-83630L. Advanced Applications in Industry and Defense, USA, 83630L (May 1, 2012); doi:10.1117/12.919372.
3. Choi, W.; Lahiri, I.; Das et al., Carbon Nanomaterials - The Route toward Applications in Energy, 18th International Conference on composite materials, Jeju, South Korea (2011).
2. Das et al.; “Thermodynamics and Kinetics of Nano-Scale Grain Growth” Proceedings of International Conference on Recent Trends in Nanoscience& Technology, December 7-9, 2006, Jadavpur University, Kolkata, India.
1. Das, et al.; “The Importance of Population Balance on the Size Distribution Effects of Precipitated Ceramic Powder Precursors” Proceedings of International Conference on Recent Trends in Nanoscience& Technology, December 7-9, 2006, Jadavpur University, Kolkata, India.

Invited talk:
19. Invited talk: Emerging functional nanomaterials for electronic and energy devices, International Workshop on Energy Technologies, September 24-26, 2019 at Manonmaniam Sundaranar University, Tirunelveli, India.
18. "Scanning probe Microscopy-A technique for nanoscale surface characterizations" India-UK Joint Hands-on Training Program for Nanomaterials Characterization and Device Fabrication, Global Nano Research Network, at K.S.R. Center for Nanoscience and Technology, 19th to 21st September 2019 at Tiruchengode, Tamilnadu 
17. In-situ synthesis of (Mg0.5Zn0.5)Fe2O4-graphene oxide nanocomposite for broadband microwave absorption in GHz frequency range 2019 URSI Asia Pacific Radio Science Conference (AP-RASC 2019), New Delhi, India, 9-15 March, 2019.
16. “Magnetic nanoparticle dispersed thermoplastic polyurethane coatings as radar absorbing material”, India-UK Second International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
15. “Two Dimensional Functional Materials for Energy and Environmental Applications”,  India-UK Second International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
14. Keynote lecture at UK-INDIA Workshop on Integrated Renewables for Autonomous Power Supply; August 1st - 2nd 2016 at the University of Exeter, Cornwell, Exeter, UK.
13. Keynote lecture on "Characterizations of Two Dimensional Nanomaterials Using Raman Spectroscopy and Scanning Probe Microscopy" in National Seminar on Instrumentation and Characterization Techniques (NSICT-2016) on 22th - 23th December 2016 at Banasthali University, Rajasthan, India.
12. Plenary lecture: “Synergistic Nanostructures for Various Functional Applications in Electronics and Energy” at International Conference on Nanoscience and Materials during February 15-16, 2017 at Nesamony Memorial Christian College, Kanyakumari, Tamilnadu, India.
11. “TWO DIMENSIONAL FUNCTIONAL NANOMATERIALS FOR ELECTRONICS AND ENERGY DEVICES” at Fourth International Conference on Nanostructured Materials and Nanocomposites (ICNM 2017) 10-12 February 2017 at Mahatma Gandhi University, Kottayam, Kerala, India.
10. “2D-Functional Nanomaterials for Electronic and Energy Applications” at the international conference on “NANOTECHNOLOGY: SCIENCE AND APPLICATION IN ADVANCED MATERIALS AND BEYOND, December 19th- 22nd 2016 at the Department of Chemistry, Bananas Hindu University.
9. “Scanning probe Techniques and its Applications on Nano Structure Characterizations” on 26th October 2016 at the Department of Physics and Astrophysics, University of Delhi.
8. “Two Dimensional Graphene: A wonder material of the decade” on 27th October 2016 at the Department of Physics and Astrophysics, University of Delhi.
7. FUNCTIONAL NANOMATERIALS FOR ELECTRONICS AND ENERGY APPLICATIONS, NSNN 2017 on 17-18 March 2017at Haldia Institute of Technology.
6. “Development of nanoparticles and characterization”; Materials Tribology: Fundamentals and Recent Advances”, 23-29 March 2017 at Department of Mechanical Engineering, IIT (BHU), Varanasi.
5. “Nanomaterialsfor Electronics and Energy”, KERAMOS’ 2016, on March 12th, 2016, at the Department of Ceramic Engineering, IIT (BHU). 
4. Invited talk: August21st 2014: Indian Institute of Technology, Bombay, India.
3. Invited talk: August 8th 2014: Indian Institute of Technology, Varanasi, India.
2. Invited talk:June 30th 2012: Institute of Technology- BHU, India.
1. Invited talk:Feb 6th 2011: West Bengal University of Technology, Kolkata, India.
 
Conference Presentations:
46. Das et al., In-situ synthesis of (Mg0.5Zn0.5)Fe2O4-graphene oxide nanocomposite for broadband microwave absorption in GHz frequency range,  2019 URSI Asia Pacific Radio Science Conference (AP-RASC 2019), New Delhi, India, 9-15 March, 2019.
45. Das et al., “A Graphene Based Broadband Metasurface Absorber in the Terahertz Region,” 2019 URSI Asia Pacific Radio Science Conference (AP-RASC 2019), New Delhi, India, 9-15 March, 2019.
44. Das et al.,   Synthesis and Application of Low Cost 1D and mesoporousTiO2Photoanode in Dye-Sensitized Solar Cells; International Conference on Sustainable Energy and Environment – ICSEE’19, Hindustan Institute of Technology and Science, Padur, Tamil Nadu, India, February 21st & 22nd, 2019.
43. Das et al., Two dimensional MoS2 Quantum dots: Synthesis, Properties, and Applications; India-UK Second International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
42. Das et al.,Electron Transport and Recombination in Core-Shell Structure Photoanode for Dye-Sensitized Solar Cells; India-UK Second International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
41. Das et al., Two Dimensional ZnO Nanosheet: Controlled Synthesis for Bio-sensing; International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
40. Das et al., Magnetic nanoparticle dispersed thermoplastic polyurethane coatings as radar absorbing material, International Conference onAdvanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
39. Das et al., Chemical Vapor Deposited Two Dimensional Seamless MoS2 for Large-Area Optoelectronic Devices; International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
38. Das et al., Development of Graphene Nanocomposites based Polymeric Scaffold for Application in Water Purifications; International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2019), 04-06, February 2019, Tiruchirappalli, India.
37. Das et al., “A Graphene Based Metasurface with Wideband Absorption in the Lower Mid Infrared Region,” in IEEE International Microwave & RF Conference (IMaRC 2018), Kolkata, India, 28-30 November, 2018.
36. Das et al.,; Highly Efficient rGO nanocomposite based hybrid electrocatalyst forHydrogen Evolution Reaction; 3rd NATIONAL CONFERENCE ON MATERIALS FOR ENERGY CONVERSION AND STORAGE (MECS-2018) from 18-20 October 2018 at IIT (BHU), Varanasi.
35. Das et al.,; Room temperature synthesis of 2-dimensional ZnO nanosheets with highly tuneable catalytic properties andpreparing a coating for photo-catalytic dye degradation; International Conference on Advanced Nanomaterials for Energy, Environment and Healthcare Applications (ANEH-2018), 31st August to 01st September 2018, K. S. R Institutions, Tamilnadu, India.
34. Das et al., “A Graphene Based Bandwidth Enhanced Metamaterial Absorber using Circular Ring,” oral presentation, IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, 8-13 July, 2018, Boston, USA.
33. Das et al.,; Synthesizing Camellia sinensis Bio-surfactant assisted CdS Quantum Dotsfor Biomedical Applications, Fourth International Conference on Advanced Complex Inorganic Nanomaterials, 16th-20th July 2018, Namur, Belgium.
32. Das et al., Graphene Based Metasurface with Tunable Dual Band Mid-Infrared Cross Polarization Converter, Oral Presentation, IEEE ATMS conference, (2018) 5th to 7th February, Pune, Maharashtra, India.
31. Das et al., Ultra-thin Ferrite Nanocomposite Coating as Broadband Microwave Absorber, 6th biennial IEEE Applied Electromagnetics Conference (AEMC-2017), 2017, Oral Presentation, December 19-22, 2017 at MIT,Maharashtra, India.
30. Das et al., High performance nanocomposites based on Ni0.5Mg0.5Fe2O4-Ba0.75Sr0.25TiO3 and their electromagnetic properties, accepted in International Conference on "Advances in Biological Systems and Materials Science in NanoWorld" to be held on 19 - 23 February 2017 Department of Physics, IIT (BHU) Varanasi, INDIA.
29. Das et al., Saving the Environment from Toxic Chemicals Using Amorphous Metals, TMS 2016 145th ANNUAL MEETING & EXHIBITION February 14 – 18, 2016 • Nashville, Tennessee, USA.
28. Das et al., Tailoring the Magnetic Properties and Mechanical Behavior of Cobalt-Iron Metallic Glasses, TMS 2016 145th ANNUAL MEETING & EXHIBITION February 14 – 18, 2016 Nashville, Tennessee, USA.
27. Das et al. Nano-crystallization induced magnetic transitions in soft-ferromagnetic metallic glass, Oral Presentation, MRS Fall Meeting 2015, Nov 29-Dec 4, Boston, USA.
26. Das et al. Nano-mechanical and Electrical Characteristics of Amorphous-Crystalline Interface Dominated Metallic Thin-Films, MRS Fall Meeting 2015, Nov 29-Dec 4, Boston, USA.
25. Das et al. Nano-crystallization induced magnetic transitions in soft-ferromagnetic metallic glass, Oral Presentation, MRS Fall Meeting 2015, Nov 29-Dec 4, Boston, USA.
24. Das et al. Nano-mechanical and Electrical Characteristics of Amorphous-Crystalline Interface Dominated Metallic Thin-Films, poster presentation,MRS Fall Meeting 2015, Nov 29-Dec 4, Boston, USA.
23. Das et al. Enhancement of Catalytic Effect of Iron Metallic Glass Particles in AZO Dye Degradation, Presented in the Texas Society of Microscopy, 50th Anniversary Meeting, 19-21 February, 2015, Austin, Texas, USA.
22. Das et al.; Excellent Mechanical and Magnetic Properties of Cobalt-Iron Metallic Glasses, poster presentation in 2015 TMS Annual Meeting & Exhibition, USA.
21. Das et al.; Measurement of Graphene-substrates adhesion energy using nano-scratch study, oral presentation in Tech Connect World Innovation Conference & Expo, Nanotech 2014, June 15-18, 2014 Washington DC, USA.
20. Das et al.; Measurement of graphene substrates adhesion energy using nano-scratch study, poster presentation in 2013 MRS Fall Meeting, December 01 - 06, Boston, USA.
19. Das et al.; Covalent functionalization of large scale graphene for enhancing tri-iodide reduction in dye-sensitized solar cells, poster presentation in 2013 MRS Fall Meeting, December 01 - 06, Boston, USA.
18. Das et al.; Nanomaterials for high efficiency electronics and energy, poster presentation in SAMPE DFW: 2013 Technical Symposium &Materials Expo April 11, 2013, Dallas, USA.
17. Das et al.; Flexible dye-sensitized solar cells with ZnO nanoparticles grown by Sonochemistry over Graphene/PET substrates", Mater. Res. Soc. Symp. 2013 spring, USA.
16. Das et al.; Large Scale graphene-CoS hybrid electro-catalytic electrodes for dye sensitized solar cells, poster presentation in 2012 Materials Research Society Fall Meeting, November 25 - 30, Boston USA. (Finalistof Outstanding Poster Award, MRS USA 2012).
15. Das et al.; Improving Charge Transfer Characteristic of Graphene for Tri-iodide Reduction in Dye-Sensitized Solar Cells,poster presentation inThe Minerals, Metals and Materials (TMS) Society, USA, March 11-15, 2012 Orlando, Florida, USA. 
14. Das et al.; Enhancing Charge Transfer Efficiency of Large Scale Graphene for Tri-iodide Reduction in Dye-Sensitized Solar Cells, poster presentation in Materials Challenges in Alternative and Renewable Energy, The American Ceramic Society Conference, February 26th to March 1st Clearwater, Florida, USA. (Winner of third prize in student competition).
13. Das et al.; Enhancement of Charge Transfer Efficiency of Large Scale Graphene for Tri-iodide Reduction in Dye-Sensitized Solar Cells, poster presentation in 2012 FIU Scholarly Forum on February 27 -28, at Florida International University, Miami, USA. (Winner of second prize in student competition).
12. Das et al.; Amplifying Charge Transfer Characteristic of Graphene in Dye-Sensitized Solar, Oral presentation in 2011 Materials Research Society Fall Meeting, Nov 28-Dec 2 , Boston, USA.
11. Das et al.; Graphene for Large Scale Flexible Transparent Conducting Nanoelectronics and Bio-Devices, Poster presentation in Second Annual Retreat of the Biomedical Nanoscience Initiative of the University of Miami (BioNIUM 2010) - December 9-10, 2010, Miami, Florida, USA.
10. Das et al.; High Efficient Dye-sensitized Solar Cell Based on Morphology Controlled Carbon Nanotube Electrode: Oral presentation in Nanotech 2009 and Clean Technology 2009 May 3-7 2009 in Houston, Texas, USA.
9. Das et al.; Graphene and Carbon Nanotube hybrid structure and Its Applications in Flexible Electronics Devices, poster presentation inInternational Conference on IEEE Nano Korea, 26-28 Aug 2011, Seoul, South Korea.
8. Das et al.; Enhancement of Charge Transfer Efficiency of Large Scale Graphene for Tri-iodide Reduction in Dye-Sensitized Solar Cells, poster presentation in NANO Florida, Sept 30-Oct 1st 2011, Miami, Florida, USA.
7. Das et al.,; Carbon Nanostructure Based Electrodes for High Efficiency Dye Sensitize Solar Cell, FIU First Energy Workshop, March 12, 2010, Miami, FL, USA.
6. Das et al.; Large Area Graphene on Polymer Films for Transparent and Flexible Field Emission Device 2010, oral presentation in Materials Research Society Fall Meeting, 29-3rd December 2010,  Boston, USA.
5. Das et al.; Large-area Graphene on Polymer Film for Transparent and Flexible Electrodes, oral presentation in Florida Energy System Consortium 2010 (FESC) September 28-29 2010, Orlando, FL, USA.
4. Das et al.: Carbon Nanotubes for Multifunctional Electronics: August 26-28 2009, oral presentation in Nano Korea 2009, Kintex, Seoul, South Korea.
3. Das et al.; Zinc oxide nanostructure devices: effect of surface cleaning by UV radiation: 2009 The Minerals, Metals & Materials Society Annual Meeting & Exhibition Feb 15-19 2009, San Francisco, USA.
2. Das et al.; Large-area Graphene on Polymer Film for Transparent and Flexible Electrodes, Florida Energy System Consortium 2010 (FESC) September 28-29 2010, Orlando, FL, USA.
1. Das et al.; Carbon Nanotubes for Multifunctional Electronics: August 26-28 2009, Nano Korea 2009, Kintex, Seoul, South Korea.
 

News

 

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DEC 3, 2013
OUTSTANDING POSTER AWARD, MATERIALS RESEARCH SOCIETY, FALL MEETING, BOSTON, USA

Measurement of graphene substrates adhesion energy using nano-scratch study

July, 2015
Wiley has spotlighted Dr Das's work on amorphous metal particles for environmental protection.