Tupan Das | Experimental methods | Best Researcher Award

Mr. Tupan Das | Experimental methods | Best Researcher Award

Mr. Tupan Das is a Research Scholar and Senior Research Fellow (CSIR SRF) currently pursuing his Ph.D. in Physics at the Indian Institute of Technology (IIT) Patna. His research centers around flexible, multifunctional nanogenerator devices, with applications in self-powered sensors and sustainable energy systems. With a solid academic foundation, a trail of high-impact publications, and a growing patent portfolio, he is quickly establishing himself as a promising early-career scientist in nanotechnology and materials science.

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📚 Early Academic Pursuits

Mr. Das laid his academic foundation at Jawahar Navodaya Vidyalayas, where he consistently performed at the top percentile. He completed his B.Sc. in Physics from Govt. Degree College Dharmanagar under Tripura University, followed by a Master’s in Physics from NIT Agartala with distinction (79%). His consistent academic success led him to IIT Patna, where he is pursuing a Ph.D. with a stellar 88.6% score, focusing on flexible polymer nanocomposites for energy harvesting.

🧪 Professional Endeavors

Throughout his doctoral journey, Mr. Das has been a recipient of the prestigious CSIR Junior and Senior Research Fellowships, awarded by the Council of Scientific & Industrial Research (CSIR), Government of India. His research spans piezoelectric, triboelectric, and hybrid nanogenerators, ferroelectric materials, and energy storage devices, with a hands-on approach in both experimental fabrication and device testing.

🔬 Research Focus and Contributions

His Ph.D. thesis titled “Flexible and Multifunctional Polymer Nanocomposite-based Nanogenerator Devices for the Self-powered Sensor Applications” reflects his cutting-edge work in energy harvesting and sensing technologies. With over 15 high-impact peer-reviewed publications, including in Nano Energy (IF: 16.8) and Chemical Engineering Journal (IF: 13.4), he has pioneered multifunctional nanogenerators that power devices without external batteries  a leap toward self-sustainable electronics. His interdisciplinary approach, combining magnetic, dielectric, and piezoelectric properties, has also led to research on self-charging supercapacitors, memristors, and optoelectronic devices, along with a submitted patent on radiation therapy films.

🌍 Impact and Influence

Mr. Das’s work has made a visible mark on the field of applied physics and materials engineering, particularly in the domains of wearable electronics, biomedical sensors, and sustainable energy. His research not only demonstrates academic rigor but also emphasizes real-world applications  evident through presentations at international conferences like ICONN, MRSI, and AC2MP, where he has received accolades including Best Oral Presentation and 1st Position in Research Communication.

📈 Academic Citations and Visibility

With publications in high-impact journals and ongoing collaborations with senior researchers, Mr. Das’s work is gaining increasing attention in the academic community. Journals such as Nano Energy, Applied Physics Letters, and Chemical Engineering Journal ensure global visibility and citation potential, cementing his status as a rising contributor in nanotechnology research.

🛠️ Research and Technical Skills

Mr. Tupan Das possesses comprehensive expertise in advanced experimental techniques, making him a highly skilled experimentalist in the field of materials science and applied physics. His technical proficiency includes X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), and Transmission Electron Microscopy (TEM) for structural analysis. He is adept in fabrication techniques like Spin Coating, Electrospinning, and Hydrothermal Synthesis. Additionally, he has hands-on experience with Impedance Analysis, Ferroelectric Loop Tracing, Cyclic Voltammetry, and Planetary Ball Milling. His core strength lies in energy storage and harvesting device fabrication, especially in self-charging supercapacitors and nanogenerators, showcasing his broad technical command.

👨‍🏫 Teaching Experience

As a teaching assistant, Mr. Das has contributed to B.Tech. 1st Year Physics Labs during 2022–2023 and 2023–2024 at IIT Patna. His ability to communicate complex concepts clearly, coupled with a passion for education, makes him an effective mentor and guide to undergraduate students.

🏅 Awards and Honors

Mr. Tupan Das has received multiple prestigious accolades that underscore his scientific excellence, communication skills, and research innovation. He qualified the CSIR-UGC NET JRF with an impressive AIR 323, along with clearing GATE (2021) and IIT JAM (2018) all national-level competitive exams. He earned the Best Oral Presentation Award at AC2MP-2024, IIT Patna, and secured 1st Position in the highly competitive “My Research in 3 Minutes” contest at RSD 2024. Demonstrating innovation, he has also filed a patent on magnetic nanofiber-based radiation therapy films, further solidifying his profile as a dynamic and impactful researcher.

🌐 International Exposure

Mr. Das is selected for the NSTC-IIPP Internship Programme at Ming-Chi University of Technology, Taipei, Taiwan (2024-2025). Here, he will explore hybrid piezo-triboelectric nanogenerators for gas sensing and water harvesting  a testament to his global research impact and collaboration.

🧭 Legacy and Future Contributions

Mr. Tupan Das is positioned to become a leading researcher in next-generation energy solutions. His integrated approach to multifunctional nanomaterials aligns with future industrial and healthcare demands, especially in the IoT, wearables, and sustainable technologies domains. With plans to continue in academic research and innovation, he is expected to contribute significantly to India’s scientific and technological self-reliance.

Top Noted Publications

Flexible Piezoelectric Nanogenerator as a Self-charging Piezo-supercapacitor for Energy Harvesting and Storage Application

  • Authors: T. Das, S. Tripathy, A. Kumar, and M. Kar
    Journal: Nano Energy
    Year: 2025

The MnAl-alloy nanoparticles incorporated PVDF-based piezoelectric nanogenerator as a self-powered real-time pedometer sensor

  • Authors: T. Das, S. N. Rout, A. Dev, and M. Kar
    Journal: Applied Physics Letters
    Year: 2024

Double perovskite-based wearable ternary nanocomposite piezoelectric nanogenerator for self-charging, human health monitoring and temperature sensor

  • Authors: T. Das, M. K. Yadav, A. Dev, and M. Kar
    Journal: Chemical Engineering Journal
    Year: 2024

Multi-functional piezoelectric nanogenerator based on relaxor ferroelectric materials (BSTO) and conductive fillers (MWCNTs) for self-powered memristor and optoelectronic devices

  • Authors: T. Das, P. Biswas, A. Dev, J. Mallick, and M. Kar
    Journal: Chemical Engineering Journal
    Year: 2024

Tuning of magnetic properties of Al-doped cobalt ferrite nanofiber prepared by electrospinning technique

  • Authors: T. Das, S. Noor, Kumari, J. Mallick, A. Shukla, S. Datta, M.K. Manglam, and M. Kar
    Journal: Physica Scripta
    Year: 2023

 

Kriti Ranjan Sahu | Experimental methods | Best Researcher Award

Assist. Prof. Dr. Kriti Ranjan Sahu | Experimental methods | Best Researcher Award

Dr. Kriti Ranjan Sahu is a distinguished physicist and academic leader, currently serving as the Head of the Department of Physics and Assistant Professor at Bhatter College, Dantan (Autonomous) in Paschim Medinipur, West Bengal, India. With a strong background in material science, applied physics, and experimental techniques, Dr. Sahu has made pioneering contributions across multiple fields of science including piezoelectric materials, superconductivity, and optical technologies.

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📘 Early Academic Pursuits

Dr. Sahu’s academic journey began in Tickrapara Ambikyamoye High School, culminating in his B.Sc in Physics from P.K. College, Contai under Vidyasagar University in 2002. He pursued his M.Sc in Physics from G.G.D. University, Bilaspur, securing a strong academic footing with 64.39% marks in 2004. He earned his PhD in 2016 from Jadavpur University, working under Prof. Dr. Udayan De (Retd. Senior Scientist at VECC, Kolkata) with a thesis focused on “Study of Some Piezoelectric and Other Oxides and of Their Polymeric Composites for Applications“.

🧑‍🏫 Professional Endeavors

Dr. Sahu began his teaching career as a Lecturer and HoD in Egra S.S.B. College in 2005, later transitioning to Bhatter College in 2019 as a full-time Assistant Professor and Department Head. With over 19 years of academic service, he is a veteran educator deeply committed to student-centric scientific inquiry and interdisciplinary learning.

🧪 Contributions and Research Focus

Dr. Sahu has spearheaded numerous innovative research projects and groundbreaking discoveries. He developed a novel and safe technique for preparing orthorhombic PbNb₂O₆ piezoelectric material in 2014, widely used in nuclear imaging sensors. In 2020, he reported a surprising ~8°C enhancement in the superconducting transition temperature of Fe-based superconductors due to Ar⁶⁺ ion beam irradiation. In 2022, he invented a new laser-based experimental method for measuring refractive indices in solid materials, suitable for undergraduate laboratories. He also discovered a new natural cellulosic fiber from Cyperus compactus (2023), and synthesized high-quality Na₂O–ZnO–TeO₂ glasses for optical communication (2020–2023).

🌐 Impact and Influence

Dr. Sahu’s work has gained national and international recognition. His cutting-edge research has been published in top-tier journals like Physica C, Carbohydrate Polymer Technologies, Glass Physics and Chemistry, and Journal of Physics and Chemistry of Solids. His findings in superconductivity and piezoelectric materials have laid foundational work for future advancements in sensor technology, nuclear applications, and sustainable electronics.

📚 Academic Cites and Publications

Dr. Sahu has made extensive contributions to peer-reviewed literature with numerous publications across Q1 to Q4 journals. Notably, he reported a remarkable 50% increase in superconducting critical temperature (Tc) due to ion implantation, published in Physica C (2025). His work on the characterization of a new natural cellulosic fiber appeared in Carbohydrate Polymer Technologies (2023). He also introduced a laser-based refractive index measurement technique featured in The Physics Teacher (2022). Additionally, Dr. Sahu has co-authored several papers on glass materials, organic solar cells, and the effects of ion irradiation, showcasing his broad research expertise.

🧠 Research Skills

Dr. Sahu possesses a wide range of research skills encompassing material synthesis, including piezoelectrics, superconductors, EMI shielding composites, and glass materials. He is proficient in advanced characterization techniques such as XRD, UV-Vis spectroscopy, SEM, TEM, FTIR, DSC, DTA, TGA, impedance analysis, and vector network analysis (VNA). His expertise also extends to device fabrication, particularly in creating organic solar cells. Additionally, Dr. Sahu has conducted numerous irradiation experiments using gamma rays and ion beams at renowned facilities like UGC-DAE, IUAC, and SAMEER, reflecting his strong interdisciplinary research capabilities.

👨‍🏫 Teaching Experience

Dr. Sahu has nearly two decades of teaching experience. He has been instrumental in integrating innovative lab experiments, interdisciplinary research modules, and undergraduate research projects into college curricula. His initiative, BASIS (Bengal Academic Society for Interactive Sciences), has helped UG/PG students showcase poster-based research across colleges.

🏆 Awards and Honors

  • 🥇 International Research Award (2020) by RULA and World Research Council for outstanding work on piezoelectric spectroscopy.

  • 📜 Certificate of Publication from Thermochimica Acta for significant findings on Nb₂O₅ phase in PbNb₂O₆ formation.

  • 🧾 Life Member of Indian Association of Physics Teachers (IAPT).

📝 Editorial Roles and Peer Review

  • Associate Editor: Bhatter College Journal of Multidisciplinary Studies, since 2023.

  • Editorial Member: International Journal of Materials Science and Applications (USA).

  • Reviewer: International Journal of Energy Research, Material Science Research India.

🔬 Legacy and Future Contributions

Dr. Kriti Ranjan Sahu continues to inspire scientific curiosity through poster-based symposiums, interactive webinars, and hands-on experimental training under the umbrella of BASIS. His commitment to low-cost science education, research democratization, and young investigator mentorship ensures a lasting impact on the next generation of physicists and applied researchers. Looking ahead, Dr. Sahu aims to bridge research with industry, focusing on green technologies, high-Tc superconductors, and materials for next-gen optics and electronics.

Top Noted Publications

Superconducting Single Crystals Show About 50% Increase of the Superconducting Critical Temperature after Ar Ion Implantation

  • Authors: Sahu, K.R.; Wolf, T.; Mishra, A.K.; Chakraborty, K.R.; Banerjee, A.; Ganesan, V.; De, U.
    Journal: SSRN (Other)
    Year: 2025

Characterization of new natural cellulosic fibers from Cyperus compactus Retz. (Cyperaceae) Plant

  • Authors: Bhunia, A.K.; Mondal, D.; Sahu, K.R.; Mondal, A.K.
    Journal: Carbohydrate Polymer Technologies and Applications
    Year: 2023

Enhancement of Optical and Electrical Properties of Pr³⁺ Doped Na₂O–ZnO–TeO₂ Glass Materials

  • Authors: Mirdda, J.N.; Mukhopadhyay, S.; Sahu, K.R.; Goswami, M.N.
    Journal: Glass Physics and Chemistry
    Year: 2023

Modification of Optical Bandgap and Formation of Carbonaceous Clusters Due to 1.75 MeV N⁵⁺ Ion Irradiation in PET Polymers and Search for Chemical Reaction Mechanisms

  • Authors: Prasad, S.G.; Lal, C.; Sahu, K.R.; De, U.
    Journal: Biointerface Research in Applied Chemistry
    Year: 2023

Ultrastructural and Spectroscopic Analysis of Lignin of Stone Cells in Mimusops elengi L. (Sapotaceae) Fruit Mesocarp

  • Authors: Khatun, M.; Sahu, K.R.; Mondal, A.K.
    Journal: Biointerface Research in Applied Chemistry
    Year: 2023