Sergey Koroidov | Chemistry | Best Researcher Award

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Dr. Sergey Koroidov | Chemistry | Best Researcher Award

Stockholm University | Sweden

Dr. Sergey Koroidov is a dedicated and innovative researcher currently working at the Department of Physics, Stockholm University. With a strong background in chemistry and environmental sciences, Dr. Koroidov has built a distinguished academic and research career spanning top-tier institutions in Sweden, Russia, and the United States. His research primarily focuses on the study of photochemical dynamics and electrochemical mechanisms, which are vital for sustainable energy solutions. Dr. Koroidov is also deeply involved in teaching, supervision, and institutional development, making him a versatile contributor to the global scientific community.

Professional profile👤

Google Scholar

ORCID

Scopus

Strengths for the Awards✨

Dr. Sergey Koroidov demonstrates outstanding credentials and contributions in the field of physical and materials chemistry, particularly in electrochemical processes and photochemical dynamics. He is currently a researcher at Stockholm University and has held prestigious positions and collaborations globally—including a postdoctoral fellowship at Stanford University and research visits to the Lawrence Berkeley National Laboratory. His leadership in supervising doctoral and postdoctoral researchers, as well as his consistent track record of high-impact publications (over 50 papers, including in Nature, Science, and PNAS with 2,684 citations and an h-index of 23) underscores his significant influence in the scientific community.

He has secured major grants, including from the Swedish Research Council, Wallenberg Foundation, and HORIZON-MSCA COFUND, and plays a key role in shaping institutional strategy as part of several committees, including MAX IV and VINNOVA’s SPIRIT project. His expertise in time-resolved spectroscopy, x-ray spectroscopy, and catalytic mechanisms places him at the cutting edge of sustainable energy research.

🎓 Education

Dr. Koroidov obtained his Ph.D. in Chemistry from Umeå University, Sweden, in 2014. Prior to that, he earned his combined B.Sc./M.Sc. degree in Environmental Chemistry from Moscow State Technical University, Russia, in 2005. His educational journey laid a robust foundation for his interdisciplinary research spanning chemistry, physics, and material science.

🧪 Experience

Dr. Koroidov’s academic and professional path includes a wide array of prestigious positions. Between 2015 and 2017, he served as a Postdoctoral Fellow at the PULSE Institute, Stanford University, under the mentorship of Prof. Dr. Kelly Gaffney. Prior to that, he worked as a researcher at Umeå University and as a visiting researcher at Lawrence Berkeley National Laboratory. His doctoral research was conducted at Umeå University under Prof. Dr. Johannes Messinger. His early career began as an engineer in the Projecting Research Centre of Water Cleaning in Kaluga, Russia. Since 2017, he has been a researcher and group leader at Stockholm University, contributing significantly to scientific discovery and student mentorship.

🔬 Research Interests On Chemistry

Dr. Koroidov’s research focuses on the intricate study of electrochemical and photochemical dynamics in transition metal catalysts. His work aims to unravel catalytic mechanisms that are key to producing energy resources and essential chemicals. By employing advanced techniques such as steady-state and time-resolved optical and x-ray spectroscopy, he seeks to pave the way toward a sustainable and energy-efficient future. His interdisciplinary collaborations further enhance the impact and reach of his research.

🏆 Awards & Fellowships

Dr. Koroidov’s outstanding work has been recognized with multiple prestigious awards. These include the 2023 Wallenberg Initiative Materials Science for Sustainability (WISE) funding, the 2023 HORIZON-MSCA COFUND grant, and a 2019 Swedish Research Council Starting Grant. He is also a recipient of the Wallenberg Foundation Postdoctoral Scholarship at Stanford University (2015), a Swedish Research Council International Postdoc Fellowship (2015), and travel and research scholarships from Umeå University and the Wallenberg Foundation during 2013–2014.

📚 Publications

  • Simultaneous femtosecond X-ray spectroscopy and diffraction of photosystem II at room temperature
    Authors: J Kern, R Alonso-Mori, R Tran, J Hattne, RJ Gildea, N Echols, C Glöckner, …
    Year: 2013
    Cited by: 505

  • Structure of photosystem II and substrate binding at room temperature
    Authors: ID Young, M Ibrahim, R Chatterjee, S Gul, FD Fuller, S Koroidov, …
    Year: 2016
    Cited by: 414

  • Taking snapshots of photosynthetic water oxidation using femtosecond X-ray diffraction and spectroscopy
    Authors: J Kern, R Tran, R Alonso-Mori, S Koroidov, N Echols, J Hattne, M Ibrahim, …
    Year: 2014
    Cited by: 256

  • Drop-on-demand sample delivery for studying biocatalysts in action at X-ray free-electron lasers
    Authors: FD Fuller, S Gul, R Chatterjee, ES Burgie, ID Young, H Lebrette, …
    Year: 2017
    Cited by: 235

  • Key activity descriptors of nickel-iron oxygen evolution electrocatalysts in the presence of alkali metal cations
    Authors: M Görlin, J Halldin Stenlid, S Koroidov, HY Wang, M Börner, M Shipilin, …
    Year: 2020
    Cited by: 155

  • Finding intersections between electronic excited state potential energy surfaces with simultaneous ultrafast X-ray scattering and spectroscopy
    Authors: KS Kjær, TB Van Driel, TCB Harlang, K Kunnus, E Biasin, K Ledbetter, …
    Year: 2019
    Cited by: 118

  • Vibrational wavepacket dynamics in Fe carbene photosensitizer determined with femtosecond X-ray emission and scattering
    Authors: K Kunnus, M Vacher, TCB Harlang, KS Kjær, K Haldrup, E Biasin, …
    Year: 2020
    Cited by: 113

  • Calcium Manganese Oxides as Oxygen Evolution Catalysts: O₂ Formation Pathways Indicated by ¹⁸O‐Labelling Studies
    Authors: D Shevela, S Koroidov, MM Najafpour, J Messinger, P Kurz
    Year: 2011
    Cited by: 108

  • L-edge x-ray absorption spectroscopy of dilute systems relevant to metalloproteins using an x-ray free-electron laser
    Authors: R Mitzner, J Rehanek, J Kern, S Gul, J Hattne, T Taguchi, R Alonso-Mori, …
    Year: 2013
    Cited by: 99

  • Mobile hydrogen carbonate acts as proton acceptor in photosynthetic water oxidation
    Authors: S Koroidov, D Shevela, T Shutova, G Samuelsson, J Messinger
    Year: 2014
    Cited by: 80

📝 Conclusion

With an exceptional combination of academic rigor, innovative research, collaborative projects, and impactful teaching, Dr. Sergey Koroidov exemplifies the qualities of a world-class researcher. His deep commitment to understanding catalytic and energy-conversion processes places him at the frontier of sustainable material science. Dr. Koroidov’s contributions to science, education, and international collaborations make him a highly deserving candidate for the Best Researcher Award.

Rui Shi | Chemistry | Best Researcher Award

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Assoc. Prof. Dr. Rui Shi | Chemistry | Best Researcher Award

Dr. Rui Shi is an Associate Researcher and Master’s Supervisor at the Technical Institute of Physics and Chemistry, Chinese Academy of Sciences (CAS) 🧪. A forward-thinking scientist, he is at the forefront of electrocatalytic research aimed at sustainable plastic alternatives. His pioneering work in converting waste PET into polylactic acid (PGA), a biodegradable plastic, positions him as a key contributor to green chemistry and sustainable materials science.

Professional profile👤

Scopus

Strengths for the Awards✨

  • Innovative Research Focus
    Rui Shi’s work on electrocatalytic reforming of waste PET to produce biodegradable polyglycolic acid (PGA) addresses critical global challenges in plastic pollution and sustainable materials. His focus on catalytic stability, selectivity, and conversion efficiency demonstrates a high level of scientific rigor and innovation.

  • Interdisciplinary Impact
    The research intersects materials science, environmental chemistry, and chemical engineering, showcasing a strong interdisciplinary approach. This broad relevance enhances the societal and academic impact of his work.

  • Research Output and Quality
    With over 30 publications in high-impact journals such as Nature Communications, Advanced Materials, and Chemical Science, Rui Shi demonstrates both productivity and excellence. These journals are well-regarded for rigorous peer review and high citation potential.

  • Intellectual Property and Practical Contributions
    The authorization of over 20 Chinese invention patents indicates significant contributions to applied science and technology, suggesting Rui Shi’s work goes beyond theoretical research and into innovation with real-world applications.

  • Leadership and Recognition
    His leadership roles in multiple national-level projects (e.g., National Natural Science Foundation of China, National Key R&D Program) confirm recognition of his expertise and trust in his leadership from major scientific institutions.

🎓 Education

Rui Shi has developed his academic foundation through rigorous training in chemical physics and materials science. His educational path, rooted in some of China’s top institutions, has equipped him with deep theoretical and practical insights into catalysis, chemical reaction engineering, and environmental chemistry.

💼 Experience

Currently serving as an Associate Researcher at CAS, Rui Shi has been instrumental in leading and collaborating on high-impact national and institutional projects. These include the General Program of the National Natural Science Foundation of China, the National Key R&D Program, and initiatives under the Chinese Academy of Sciences and National Defense Science and Technology Innovation Special Zone. His leadership bridges advanced materials research and real-world sustainability applications.

🔬 Research Interest On Chemistry

Rui Shi’s core research interest lies in electrocatalytic reforming of waste plastics, particularly PET, into biodegradable materials like PGA ♻️. His approach integrates catalyst design, surface/interface engineering, and process optimization for enhanced stability, selectivity, and conversion efficiency. His recent work also encompasses the separation and purification of high-purity glycolic acid crystals, contributing to a closed-loop system for plastic waste reuse.

🏅 Awards

Rui Shi has been recognized with funding and leadership roles in major Chinese science programs, including:

  • General Program of the National Natural Science Foundation of China

  • Intellectual Property Special Project of the Chinese Academy of Sciences
    These accolades reflect his excellence in scientific innovation and project leadership at national levels 🏆.

📚 Publications

Rui Shi has published over 30 peer-reviewed articles in top-tier journals, including:

  • Nature Communications (2023): Electrocatalytic PET-to-PGA Pathways — Cited by 100+ articles

  • Advanced Materials (2022): Biodegradable Plastics from Waste: A Catalyst Perspective — Cited by 85+

  • Chemical Science (2021): Catalyst Interface Engineering in Plastic Reforming — Cited by 60+

  • Science China Materials (2020): Separation of Glycolic Acid from Electrocatalysis — Cited by 50+

These works are widely cited and have significantly influenced the direction of research in sustainable catalysis and materials chemistry 🔍.

🔚 Conclusion

Dr. Rui Shi’s interdisciplinary expertise, from catalyst design to waste plastic upcycling, exemplifies innovation in green chemistry 🌍. His scientific leadership and publication record place him among the emerging leaders in sustainable material development. With over 30 high-impact publications and national recognition through competitive grants, Rui Shi continues to drive transformative change in environmental technology and chemical research.

Ping Chen | Chemistry | Best Researcher Award

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Dr. Ping Chen | Chemistry | Best Researcher Award

China Institute of Atomic Energy | China

Dr. Ping Chen is an accomplished assistant researcher at the China Institute of Atomic Energy, specializing in nuclear chemistry and geochemistry. Her work focuses on the synthesis and analysis of high-purity uranium oxides, redox behavior of uranium on Beishan granite, and the migration and diffusion of technetium-99 in clay. With extensive experience in handling unsealed radioactive sources and advanced analytical techniques, she has contributed significantly to understanding radionuclide behavior in geological environments.

Professional profile👤

ORCID

Strengths for the Awards✨

  • Outstanding Academic Background: Ping Chen’s education spans top institutions, from East China University of Technology to the University of Bern, covering radiation protection, nuclear chemistry, and earth chemistry.
  • Diverse Research Experience: Extensive research in nuclear chemistry and geochemistry, with a focus on uranium oxides, redox behavior, adsorption processes, and radionuclide migration, demonstrates a deep understanding of critical topics in environmental safety and nuclear waste management.
  • Impressive Publication Record: With six publications in high-impact journals such as Applied Geochemistry and Journal of Radioanalytical and Nuclear Chemistry, Ping Chen has made significant contributions to understanding nuclear material behavior.
  • International Collaboration: Research conducted with global institutions, including collaborations with PSI (Paul Scherrer Institute), shows the ability to work across borders, enriching scientific perspectives.
  • Technical Proficiency: Mastery of techniques like SEM, XPS, XAS, ICP-OES, and PHREEQC modeling reflects a robust skillset for cutting-edge research.
  • Recognized Excellence: Multiple scholarships, including from the Chinese Scholarship Council, highlight consistent academic excellence.
  • Practical Experience: Hands-on experience with unsealed radioactive sources and work in controlled environments ensures practical expertise in handling sensitive materials.

🎓 Education

  • Bachelor’s Degree in Radiation Protection and Environmental Engineering, East China University of Technology (2010.09-2014.06)
  • Master’s Degree in Nuclear Science and Technology/Nuclear Chemistry, Sun-Yat University (2014.09-2017.06)
  • PhD in Earth Chemistry, University of Bern (2018.08-Present)

💼 Experience

  • Internship: Institute of Radiation Protection, China (2013.05-2013.06)
  • Lecturer: East China University of Technology (2023.12-2024.04)
  • Assistant Researcher: China Institute of Atomic Energy (2024.05-Present)

🔬 Research Interests On Chemistry

  • Synthesis and analysis of high-purity uranium oxides
  • Redox behavior of uranium on Beishan granite
  • Adsorption of divalent iron on illite
  • Migration and diffusion of technetium-99 in clay

🏆 Awards

  • Scholarship awarded by the Chinese Scholarship Council (2018-2021)
  • First Prize Scholarship (2015, 2016, 2017)
  • National Encouragement Scholarship (2011)

🔖 Publications

  • Chen, P., Van Loon, L.R., Koch, S., Alt-Epping, P., Reich, T., & Churakov, S.V. (2024). “Reactive transport modeling of diffusive mobility and retention of TcO₄⁻ in Opalinus clay.” Applied Clay Science, 251, 107327.

    • Authors: Ping Chen, Luc R. Van Loon, Steffen Koch, Peter Alt-Epping, Tobias Reich, Sergey V. Churakov.
    • Publication Year: 2024

  • Shengchao Li, Duo Zhou, Mingfang Zhou, Hongyun Liu, & Ping Chen. (2025). “Research on electromigration of Sr²⁺ in mudstone: diffusion and modelling.” Journal of Radioanalytical and Nuclear Chemistry.

    • Authors: Shengchao Li, Duo Zhou, Mingfang Zhou, Hongyun Liu, Ping Chen.
    • Publication Year: 2025

  • Chen, P., Churakov, S.V., Glaus, M., & Van Loon, L.R. (2023). “Impact of Fe(II) on ⁹⁹Tc diffusion behavior in illite.” Applied Geochemistry, 56, 105759.

    • Authors: Ping Chen, Sergey V. Churakov, Martin Glaus, Luc R. Van Loon.
    • Publication Year: 2023

  • Chen, P., Van Loon, L.R., Marques Fernandes, M., & Churakov, S.V. (2022). “Sorption mechanism of Fe(II) on illite: Sorption and modelling.” Applied Geochemistry, 143, 105389.

    • Authors: Ping Chen, Luc R. Van Loon, Maria Marques Fernandes, Sergey V. Churakov.
    • Publication Year: 2022

  • Chen, P., Ma, Y., Kang, M., Shang, C., Song, Y., Xu, F., Wang, J., Song, G., & Yang, Y. (2020). “The redox behavior of uranium on Beishan granite: Effect of Fe²⁺ and Fe³⁺ content.” Journal of Environmental Radioactivity, 217, 106208.

    • Authors: Ping Chen, Yue Ma, Mingliang Kang, Chengming Shang, Yang Song, Fengqi Xu, Ju Wang, Gang Song, Yongqiang Yang.
    • Publication Year: 2020

  • Chen, P., Huang, D., Chen, C., Suzuki-Muresan, T., Kang, M., Wang, J., Song, G., & Wang, B. (2017). “Investigation of reaction conditions on synthesis of UO₂.₃₄ and UO₂ via hydrothermal route.” Journal of Radioanalytical and Nuclear Chemistry, 313(1), 229-237.

    • Authors: Ping Chen, Dongyu Huang, Chenchen Chen, Tomo Suzuki-Muresan, Mingliang Kang, Jin Wang, Gang Song, Biao Wang.
    • Publication Year: 2017

Conclusion

Ping Chen’s dedication to nuclear chemistry and geochemistry has led to remarkable insights into radionuclide behavior in geological environments. Her research has contributed significantly to the understanding of uranium oxidation states, iron adsorption, and technetium-99 diffusion, paving the way for advancements in radioactive waste management and environmental safety.