Dr. Christen Tharwat | Smart Materials | Best Researcher Award

Dr. Christen Tharwat | Smart Materials | Best Researcher Award

Dr. Christen Tharwat | National Research Centre | Egypt

Dr. Christen Tharwat is a Postdoctoral Researcher specializing in nanophotonics, advanced materials, and applied nanotechnology with extensive experience in developing optical sensors for environmental applications and nanomaterial synthesis for biomedical and industrial use. Her research integrates plasmonic and graphene-based gas sensors, magnetic and semiconductor nanoparticles, and nanotechnology for wastewater treatment and biomedical coatings. 39 Citations by 39 documents 11 Documents 4 h-index View h-index button is disabled in preview mode At the National Research Centre in Egypt, she has contributed significantly to the Metal Physics Lab, focusing on innovative metal alloy treatments, ceramic coatings for implants, and solid-state material enhancements. Her academic background includes advanced studies in laser-enhanced sciences, emphasizing the synthesis and modification of nanostructured materials for functional applications. In addition to her research, she has been actively involved in academic and scientific writing, preparing manuscripts, research projects, and journal articles that align with institutional and publication standards. Her scientific contributions reflect a commitment to advancing the applications of nanotechnology in health, environment, and materials science.

Profiles: Scopus | Google Scholar

Featured Publications

Girgis, E., Adel, D., Tharwat, C., Attallah, O., & Rao, K. V. (2015). Cobalt ferrite nanotubes and porous nanorods for dye removal. Advances in Nano Research, 3(2), 111.

Mahmoud, A. H. K., Korany, F. M. H., Tharwat, C., Hussein, M., Swillam, M. A., et al. (2020). Surface roughness effect on characteristics of Si nanowire solar cell. Journal of Photonics for Energy, 10(4), 045502–045502.

Girgis, E., Tharwat, C., & Adel, D. (2016). Ferrites nanoflowers for dye removal applications. Journal of Advanced Nanomaterials, 1, 49–56.

Gouda, A. M., Elsayed, M. Y., Tharwat, C., & Swillam, M. A. (2016). Silicon-based nanostructures as surface enhanced Raman scattering substrates. Proceedings of Photonics North (PN), 1.

Aziz, M. A. S. C., Othman, M. A., Amer, A., & Ghanim, A. R. M. (2024). Fabrication of crystalline silicon nanowires coated with graphene from graphene oxide on amorphous silicon substrate using excimer laser. Heliyon.

Tharwat, C., Badr, Y., Ahmed, S. M., Bishay, I. K., & Swillam, M. A. (2024). CW laser beam-based reduction of graphene oxide films for gas sensing applications. Optical and Quantum Electronics, 57(1), 69.

Keshavananda Prabhu C P | Electrochemistry and Synthesis | Best Researcher Award

Dr. Keshavananda Prabhu C P | Electrochemistry and Synthesis | Best Researcher Award

Gachon University South Korea

👨‍🎓Profiles

🧑‍🎓 Early Academic Pursuits

He embarked on his academic journey with a strong foundation in chemistry. After completing his Master’s degree (M.Sc.) in Chemistry from the University of Mysore with first-class honors, he pursued a B.Ed. in Physical Science from the same university, graduating with distinction. His passion for advanced research led him to obtain a Ph.D. in Chemistry from Vijayanagara Sri Krishnadevaraya University, Ballari. His doctoral thesis, “Synthesis of Substituted N4 Macrocycles for Biological and Electrochemical Applications,” laid the groundwork for his subsequent research contributions.

🧑‍🔬 Professional Endeavors

He is currently an Assistant Professor at Gachon University, South Korea, contributing to cutting-edge research in OLED materials. His prior roles include serving as a Research Professor at Kyung Hee University, Seoul, where he specialized in OLED and thermally activated delayed fluorescence (TADF) materials, and as a Guest Faculty Member at Vijayanagara Sri Krishnadevaraya University.

🧪 Research Focus and Contributions

His research centers on the synthesis of innovative materials such as: OLED materials, including TADF, multi-resonance TADF (MR-TADF), and hyper-fluorescence materials, Electron Transporting Layer (ETL) materials and host materials for advanced display technologies, N4 Macrocyclic materials like phthalocyanines for biological and electrochemical applications.

Electrochemical Applications

He has conducted pioneering work in: Designing and fabricating electrochemical sensors with high sensitivity, Investigating electrocatalytic processes like hydrogen evolution reactions (HER) and oxygen evolution reactions (OER) for energy storage and conversion devices.

📊 Theoretical Insights

He applies DFT and TDDFT methods to understand photophysical and optoelectronic properties, enabling the development of efficient materials for OLEDs and energy applications.

🏆 Awards and Recognition

Dr. Prabhu’s contributions have earned him accolades, including the Best Paper Award at the Korean Optical Society’s 2022 Summer Academic Presentation for his work on “Deep Blue Multi-Resonant TADF Emitters” achieving over 30% EQE.

🧰 Technical Skills

Dr. Prabhu is proficient in various advanced techniques, including: Spectroscopic Analysis: UV-Vis, fluorescence spectroscopy, quantum yield determination, and transient PL spectra, Electrochemical Techniques: Cyclic Voltammetry (CV), Electrochemical Impedance Spectroscopy (EIS), and chronoamperometry, Characterization Tools: NMR, XRD, MALDI-TOF Mass Spectrometry, and HPLC (RP).

📚 Teaching Experience

Dr. Prabhu has demonstrated exceptional teaching skills as a Guest Faculty Member in India and now as an Assistant Professor in South Korea. His expertise and dedication have inspired numerous students in advanced chemistry and material science.

🌍 Impact and Influence

Dr. Prabhu’s research has significantly impacted fields such as: Biological Applications: Developing N4 macrocyclic materials for photodynamic therapy (PDT), Sensor Technology: Enhancing sensitivity and reliability for real-time detection, Energy Devices: Advancing electrocatalysis for renewable energy solutions.

✨ Legacy and Future Contributions

Dr. Prabhu envisions a future of transformative research in OLED materials for next-generation displays and sustainable energy solutions. His ongoing projects, including collaborations with industry leaders like SAMSUNG Display, aim to revolutionize energy-efficient display technologies and contribute to global advancements in material science.

📖Notable Publications

  1. Acceptor-donor-acceptor based thermally activated delayed fluorescent materials: structure-property insights and electroluminescence performances
    • Authors: Keshavananda Prabhu, C.P., Naveen, K.R., Hur, J.
    • Journal: Materials Chemistry Frontiers
    • Year: 2023
  2. Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes
    • Authors: Naveen, K.R., Lee, H., Seung, L.H., Muruganantham, S., Kwon, J.H.
    • Journal: Chemical Engineering Journal
    • Year: 2023
  3. Novel polymeric zinc phthalocyanine for electro-oxidation and detection of ammonia
    • Authors: Keshavananda Prabhu, C.P., Aralekallu, S., Palanna, M., Renuka, B., Sannegowda, L.K.
    • Journal: Journal of Applied Electrochemistry
    • Year: 2022
  4. Nanomolar detection of 4-nitrophenol using Schiff-base phthalocyanine
    • Authors: Sajjan, V.A., Aralekallu, S., Nemakal, M., Keshavananda Prabhu, C.P., Koodlur Sannegowda, L.
    • Journal: Microchemical Journal
    • Year: 2021
  5. Non-precious cobalt phthalocyanine-embedded iron ore electrocatalysts for hydrogen evolution reactions
    • Authors: Prabhu, C.P.K., Aralekallu, S., Sajjan, V.A., Kumar, S., Sannegowda, L.K.
    • Journal: Sustainable Energy and Fuels
    • Year: 2021
  6. Nanomolar detection of mercury(II) using electropolymerized phthalocyanine film
    • Authors: Palanna, M., Aralekallu, S., Keshavananda Prabhu, C.P., Mounesh, Sannegowda, L.K.
    • Journal: Electrochimica Acta
    • Year: 2021
  7. Phthalocyanine sheet polymer-based amperometric sensor for the selective detection of 2,4-dichlorophenol
    • Authors: Mohammed, I., Nemakal, M., Aralekallu, S., Keshavananda Prabu, C.P., Sannegowda, L.K.
    • Journal: Journal of Electroanalytical Chemistry
    • Year: 2020