Salama Ahmed Yassen | Nanoscale Photonics Research | Best Scholar Award

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Ms. Salama Ahmed Yassen | Nanoscale Photonics Research | Best Scholar Award

Hodeidah University | Yemen

Ms. Salama Ahmed Yassen is a physicist and researcher specializing in nanomaterials, spectroscopy, and the physicochemical characterization of functionalized metal oxide nanoparticles. Her doctoral research explored the structural, bioactive, and physicochemical properties of metal oxide nanostructures for biomedical applications, contributing valuable insights to the field of nanotechnology and materials science. She has published multiple scientific papers and holds a patent on the synthesis and functionalization of cerium oxide nanoflakes for biomedical use. Alongside her research, Ms. Yassen has extensive teaching experience in physics, covering areas such as general physics, optics, and nuclear physics. She is highly skilled in analytical and spectroscopic techniques, including X-ray diffraction, FTIR, and UV–Vis spectrophotometry. Her active participation in international and national conferences reflects her dedication to scientific advancement, academic excellence, and collaboration within the global research community.

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Featured Publications 

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., & Undre, P. B. (2025). Synthesis of flake-like nanoceria, functionalization, and evaluation of their biological activity in vitro. Journal of the Indian Chemical Society, 101754.

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., & Undre, P. B. (2022). Assessment of physicochemical properties of nanoceria dispersed in aqueous surfactant at 298.15 K. Chemical Papers, 76, 7693–7713.

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., & Undre, P. B. (2021). Intermolecular dispersion potential of cerium oxide nanoflakes with aqueous polymer and amino acids studied using physicochemical and optical properties at 303.15 K. Journal of Molecular Liquids, 340, 117113.

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., Khirade, P. W., & Undre, P. B. (2020). Dispersion and optical activities of copper (II) metal oxide nanoparticles with polyethylene glycol in aqueous medium studied with physicochemical properties and UV-Vis spectrophotometry. Integrated Ferroelectrics, 205(1), 131–145.

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., & Undre, P. B. (2020). Study of volumetric and optical properties of cerium oxide nanofluid. Journal of Physics: Conference Series, 1644(1), 012030.

  • Yaseen, S. A., Alameen, A. S., Saif, F. A., Undre, S. B., & Undre, P. B. (2020, June). The study of CeO2 nanoparticles dispersed in water with folic acid. In AIP Conference Proceedings (Vol. 2244, No. 1, p. 070028).

  • Yaseen, S. A., Undre, P. B., Saif, F. A., Patil, S. S., & Khirade, P. W. (2017). Dielectric and FTIR studies on the hydrogen-bonded binary system of ester and alcohol. Ferroelectrics, 519(1), 49–60.

  • Al-Horaibi, S. A., Al-Odayni, A. B., Al-Saeedy, M., Al-Ostoot, F. H., Al-Salihy, A., Ghaleb, J. Q., Arwa, A., Saif, F. A., Yaseen, S. A., & Waseem, S. S. (2023). Enhancing photovoltaic efficiency with SQI-Br and SQI-I sensitizers: A comparative analysis. Open Chemistry, 21(1), 20230168.

Tikaram Neupane | Light-Matter Interactions | Best Researcher Award

Published on by Biophotonics Research

Assist. Prof. Dr. Tikaram Neupane | Light-Matter Interactions | Best Researcher Award

Assist. Prof. Dr. Tikaram Neupane , University of North Carolina at Pembroke, United States 

Dr. Tikaram Neupane is an accomplished Assistant Professor of Physics at the University of North Carolina at Pembroke, where he merges a passion for cutting-edge research in condensed matter and optical physics with deep commitment to undergraduate education and scientific outreach. His career reflects an inspiring journey from Nepal to international academic platforms, including prestigious institutions in Italy, Wyoming, Virginia, and North Carolina, underpinned by fellowships, research assistantships, and national awards.

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📚 Early Academic Pursuits

Dr. Neupane’s scientific foundation was laid through a Postgraduate Diploma in Earth System Physics from the International Center for Theoretical Physics (ICTP), Trieste, Italy, supported by a UNESCO Fellowship (2010–2011). He furthered his education with an M.S. in Condensed Matter Physics from the University of Wyoming (2014–2015), where he worked on solar cell characterization and perovskite simulation. His academic journey culminated in a Ph.D. in Condensed Matter and Optical Physics from Hampton University (2016–2020), where he explored nonlinear optical phenomena in 2D materials like Tungsten and Molybdenum Disulfides.

🧪 Professional Endeavors

Currently serving as an Assistant Professor at UNCP (since 2021), Dr. Neupane balances his teaching responsibilities with active roles in program coordination, student mentorship, and undergraduate research leadership. His prior postdoctoral work (2020–2021) at the University of Southern Mississippi and NASA’s Stennis Space Center reflects his interdisciplinary scope, focusing on Ocean Optics and Remote Sensing.

🔬 Contributions and Research Focus

Dr. Neupane’s research spans nonlinear optics, nanophotonics, and quantum materials, with particular emphasis on:

  • Third-order optical nonlinearity in 2D materials

  • Quantum dots and photoluminescence

  • Spatial self-phase modulation and all-optical switching

  • First-principle simulations using DFT (Density Functional Theory)

He has authored over 12 peer-reviewed journal articles, contributed to a book chapter on graphene, and presented at 65+ scientific conferences—a testament to his consistent scholarly productivity.

🌍 Impact and Influence

As the Director of the North Carolina Region 4 Science and Engineering Fair and a board member of the statewide fair, Dr. Neupane plays a critical role in STEM outreach and student recruitment, especially within minority-serving institutions. He is also an organizer, judge, and evaluator in diverse scientific arenas, from the DoD SMART scholarship program to robotics competitions and ANPA conferences.

📈 Academic Citations & Recognition

Dr. Neupane’s works are cited in materials science, optics, and nanotechnology research communities, particularly his studies on graphene oxide, transition metal dichalcogenides (TMDCs), and perovskite QDs. His recent publications in Optics and Laser Technology, Materials, and Crystals have attracted significant academic interest.

🧠 Research Skills

Dr. Neupane is proficient in both experimental and computational techniques, including:

  • Laser systems (picosecond, nanosecond, and CW lasers)

  • Spectroscopic techniques (UV-Vis, Raman, low-T PL)

  • Microscopy (AFM, TEM, XRD)

  • Nonlinear characterization (Z-scan, I-scan, self-phase modulation)

  • Software and Simulation tools like VASP, Quantum Espresso, MATLAB, and Origin

👨‍🏫 Teaching Experience

At UNCP, Dr. Neupane leads undergraduate courses in physics, coordinates the Applied Physics Program, and supervises student-led research through the Pembroke Undergraduate Research and Creativity (PURC) Center. His ability to simplify complex concepts and his commitment to student development are consistently praised.

🏅 Awards and Honors

Dr. Neupane’s excellence is recognized through numerous accolades:

  • 🥇 Best Presentation Award, ICNST International Conference (2019)

  • 🚀 NASA & DoD Research Assistantship, Hampton University

  • 🌍 UNESCO Fellowship, ICTP

  • 🎓 Dean’s Research and Scholarship Fund (2021), NC Collaboratory for HMSIs (2022), PURC Research Funds (2023–2025)

🔮 Legacy and Future Contributions

Dr. Neupane is set to chair the 8th ANPA International Conference in 2025 and will continue to lead national efforts in optical research, student development, and scientific inclusivity. His trajectory promises continued innovation in photonics and nanomaterials, while fostering the next generation of physicists through education, mentorship, and global scientific collaboration.

Top Publications

“Size-dependent fluorescence properties of CdSe quantum dots”

  • Authors: U. Poudyal, C. M. Adhikari, N. H. Makani, B. R. Gautam, and T. Neupane
    Journal: Solid State Communications
    Year: 2025 (Accepted)

“Cubic Nonlinearity of Graphene-oxide Monolayer”

  • Authors: T. Neupane, U. Poudyal, B. Tabibi, W-J Kim, F. J. Seo
    Journal: Materials, Volume 16, Article 6664
    Year: 2023

“Dispersion in Single-Wall Carbon Nanotube Film: An Application of Bogoliubov–Valatin Transformation for Hamiltonian Diagonalization”

  • Authors: C. M. Adhikari, D. M. Morris, T. W. Noonan, T. Neupane, B. R. Lamichhane, B. R. Gautam
    Journal: Condens. Matter, Volume 8, Article 53
    Year: 2023

“Spatial self-phase Modulation in Graphene-oxide Monolayer”

  • Authors: T. Neupane, B. Tabibi, W-J Kim, F. J. Seo
    Journal: Crystal, Volume 813, Article 271
    Year: 2023

“Crossover from reverse Saturable to Saturable Absorption in Two-Dimensional Tungsten Disulfide”

  • Authors: T. Neupane, C. M. Adhikarihird-order optical nonlinearity in 2D materials
    Journal: Journal of Nepal Physical Society, Volume 8, Pages 31–36
    Year: 2022