Sandhya Rani Nayak | Chemistry | Best Researcher Award

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Ms. Sandhya Rani Nayak | Chemistry | Best Researcher Award

Andhra University | India

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📚 Early Academic Pursuits

Ms. Sandhya Rani Nayak's academic excellence began with consistent performance in her school years and gained momentum through her B.Sc. in MPC (Mathematics, Physics, Chemistry) at Dr. B.R. Ambedkar University. She earned her M.Sc. in Analytical Chemistry from Andhra University with an impressive CGPA of 8.0, and later a B.Ed., reaffirming her passion for both science and education. Her progression into a PhD program demonstrates a continued commitment to high-level research in chemistry.

👩‍🔬 Professional Endeavors

Ms. Nayak has accumulated substantial teaching and lab experience. She served as a Lecturer in Analytical Chemistry at Dr. V.S. Krishna Government Degree & PG College and currently instructs in inorganic labs at Andhra University. These roles have allowed her to mentor students while sharpening her own experimental and pedagogical skills.

🔬 Research Focus and Contributions

Ms. Nayak's research primarily revolves around OLEDs, deep-blue emitters, donor–acceptor fluorophores, and molecular sensing. Her publication portfolio includes notable articles in high-impact journals such as Advanced Optical Materials, The Journal of Physical Chemistry C, Journal of Materials Chemistry C, and New Journal of Chemistry. Her work on benzimidazole-TPA conjugates and triphenylamine-imidazole-based fluorophores stands out for its innovation in developing stable and efficient optoelectronic materials.

🏆 Accolades and Recognition

Her academic rigor is evident from her qualifications in several competitive exams like APRCET (2021), OSSTET (2021), OTET (2022), APTET (2022), and APSET (2024). Additionally, she has actively participated in multiple national and international seminars, webinars, and symposia, further showcasing her engagement with the global scientific community.

🌍 Impact and Influence

Through her interdisciplinary research, Ms. Nayak has impacted the fields of organic electronics and environmental chemistry. Her investigations into fluorophores for OLEDs not only push the frontiers of energy-efficient display technology but also offer viable paths for pollution detection and chemical sensing.

🔮 Legacy and Future Contributions

With her PhD in progress and a strong foundation in both research and teaching, Ms. Nayak is poised to emerge as a leading scientist in the field of materials chemistry. Her future contributions are likely to expand toward sustainable optoelectronics and next-generation smart materials.

Publication

📄 HLCT Driven Twisted Benzo[d]thiazole Based D–A–D Fluorophores for High‐Performance, Two‐Component White LEDs
 Authors: Swetha Maredi, Diksha Thakur, Dhruba Jyoti Boruah, Sandhya Rani Nayak, Panneerselvam Yuvaraj, Sivakumar Vaidyanathan
 Journal: Chemistry – An Asian Journal
Year:  2025

📄 Broad-band Emissive Phenanthroimidazole-Based Donor–Acceptor Luminogens for Hybrid White Light Emitting Diodes and Sensors for Picric Acid Detection
 Authors: Swetha Maredi, Sandhya Rani Nayak, Md Intekhab Alam, Diksha Thakur, Sivakumar Vaidyanathan
 Journal: Journal of Materials Chemistry C
Year:  2025

📄White Light Emissive Eu(III) Complexes through Ligand Engineering and their Applications in Cool Near Ultraviolet White Light Emitting Diodes and Thermometer
 Authors: Swetha Maredi, Sibani Mund, Sandhya Rani Nayak, Samatha Devineni, C Subrahmanyam, Sivakumar Vaidyanathan
 Journal: ChemPhysChem
Year:  2024

📄Efficiency Boost in Non-Doped Blue Organic Light-Emitting Diodes: Harnessing Aggregation-Induced Emission – A Comprehensive Review
 Authors: Snigdhamayee Rana, Sandhya Rani Nayak, Sabita Patel, Sivakumar Vaidyanathan
 Journal: Journal of Materials Chemistry C
Year:  2024

📄 Structural Engineering of Deep-Blue Emitters (Imidazoles Integrated with Triphenylamine) Leads to EQE > 6% and High Color Purity (CIEy ∼ 0.09) for Solution-Processed OLEDs
 Authors: Sivakumar Girase, Jaipal Devesing Singh, Sunidhi Debata, Bhabana Priyadarshini Nayak, Sandhya Rani Nagar, Mangey Ram Jou, Jwo-Huei Patel, Sabita Vaidyanathan
 Journal: The Journal of Physical Chemistry C
Year:  2023

Ram Gopal | Physics and Astronomy | Best Researcher Award

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Dr. Ram Gopal | Physics and Astronomy | Best Researcher Award

Indian Institute of Technology Guwahat | India

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Early Academic Pursuits

Dr. Ram Gopal's academic journey began in Bihar, India. He completed his secondary education at Modern Academy in Gaya, achieving a notable CGPA of 9.00 in the 10th grade. He then attended Anup Singh Inter College in Tekari, where he scored 66% in his 12th-grade examinations. Dr. Gopal pursued his undergraduate studies in Physics at Patna Science College, Patna University, graduating with a first-class distinction and a mark of 74.625%. His passion for Physics led him to the National Institute of Technology (NIT) Durgapur for his M.Sc., where he graduated with a CGPA of 8.54. Subsequently, he qualified for the prestigious Joint Admission Test (JAM-2016) for M.Sc. admission in Physics and earned his doctorate from the Indian Institute of Technology (Indian School of Mines), Dhanbad, under the guidance of Prof. Jairam Manam, with a CGPA of 8.99.

Professional Endeavors

Dr. Ram Gopal's professional journey began as a Junior Research Fellow (JRF) at IIT (ISM) Dhanbad from 2018 to 2020. He then advanced to a Senior Research Fellow (SRF) position at the same institution, continuing until 2023. During his Ph.D., he focused on developing and investigating the optical properties of tungstate-based phosphors. His research expertise grew, and he gained experience in the synthesis and characterization of nanomaterials and luminescent materials. In August 2023, Dr. Gopal joined the Technology Innovation and Development Foundation at IIT Guwahati as a Post-Doctoral Fellow, followed by a position in the Department of Physics at IIT Guwahati in February 2024.

Contributions and Research Focus

Dr. Gopal's research interests are broad and impactful, covering laser and photonics, plasmonics, perovskite solar cells, photodetectors, OLEDs, nanomaterials, luminescent materials, up-conversion nanomaterials, optical thermometry, solid-state lighting, and bio-imaging. His significant contributions include the development of perovskite solar cells and photodetectors, synthesis of nanomaterials by wet chemical methods and laser ablation in liquid, and detailed analytical studies of luminescent materials. His Ph.D. thesis focused on tungstate-based phosphors, providing valuable insights into their optical properties.

Accolades and Recognition

Dr. Ram Gopal has been recognized for his academic excellence and research capabilities. He qualified for the GATE exam in Physics in 2018 and the CSIR/NET in Physical Sciences in June 2018. His scholastic achievements also include qualifying for the JAM-2016 for M.Sc. admission in Physics. His dedication and hard work have earned him prestigious fellowships, including the JRF and SRF positions at IIT (ISM) Dhanbad, and post-doctoral fellowships at IIT Guwahati.

Impact and Influence

Dr. Gopal's research has significantly impacted the fields of laser and photonics, nanomaterials, and optical thermometry. His work on perovskite solar cells and photodetectors has contributed to advancements in renewable energy technologies. His expertise in nanomaterials synthesis and characterization has provided the scientific community with valuable methods and insights into the behavior of these materials. His research on luminescent materials and long-persistent phosphors has potential applications in solid-state lighting and bio-imaging.

Legacy and Future Contributions

Dr. Ram Gopal's legacy lies in his pioneering research and contributions to the field of physics, particularly in nanomaterials and photonics. As he continues his post-doctoral research at IIT Guwahati, he is poised to make further significant contributions to the development of advanced materials and technologies. His future work is expected to explore new frontiers in optical materials and their applications, potentially leading to breakthroughs in energy efficiency, medical imaging, and other critical areas of science and technology.

 

Notable Publications

Performance enhancement of inorganic Cs2AgInBr6-based perovskite solar cell by numerical simulation 2024

SrNb2O6: Dy3+: a single phase warm white light emitting phosphor for solid-state lighting 2024 (1)

Development of SrWO4:Ho3+/Yb3+ green phosphor for optical thermometry application 2023 (1)

The photoluminescence and Judd-Ofelt investigations of UV, near-UV and blue excited highly pure red emitting BaWO4: Eu3+ phosphor for solid state lighting 2023 (7)

A novel blue excited white light emitting SrWO4: Pr3+ phosphor for single phase white-LED applications 2022 (11)