The Chen Research Group

Nanostructured Multimetals and Hybrid Materials

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Contact Us:

Jingyi Chen, PhD
Professor
Chemistry and Biochemistry

University of Arkansas

Office: CHEM 245
Email: chenj@uark.edu
Voice: (479) 575-6203

ORCID: 0000-0003-0012-9640

The Chen research group focuses on rational design and synthesis of functional nanomaterials for energy conversion and human-health related applications. We emphasize on rational design of materials for applications, precise synthesis of nanostructures, and in situ characterization of materials under reaction conditions or in actions. We aim to efficient and sustainable use of materials in applications, and fundamentally understand the synthesis-structure-property-performance relationship under operando conditions.

News

2024
- Welcome Jonathan Batey to join the group!

2023
- Geletu Qing and David Thomspon first- and second- authored and published their work in J. Electrochem. Soc. on understanding the degradation of perovskite oxides during the oxygen evolution reaction in alkaline solution.
- Ryan Manso co-authored and published his collaborative work in J. Phys. Chem. C on temporal Ni K-edge X-ray absorption spectroscopy study that reveals kinetics of Ni redox behavior of iron-nickel oxide bimetallic OER catalyst.
- Welcome Elise Knight to join the group!
- Students in the Department of Chemistry and Biochemistry at University of Arkansas created Chemistry Rules Videos, led by Dr. Feng Wang and supported by NSF.
- David Thompson was selected to receive the U.S. DOE Office of Science Graduate Student Research (SCGSR) award - 2022 Solicitation 2 SCGSR Awards in the research area of BES - Fundamental Electrochemistry for Chemical and Materials Sciences, to conduct his dissertation project at SLAC National Accelerator Laboratory working with our collaborator Dr. Simon Bare. Congratulations!
- Natalie Collins graduated with B.S. major in Chemistry. She was awarded ACS undergraduate award in Physical Chemistry. She will start her graduate study at Rice University! Congraduations!
- Dr. Chen was named fellow of AIMBE. Congratulations!
- Deborah Okyere co-authored and published her collaborative work in Colloids Surf. B: Biointerfaces on bacterial mobility and motility in porous media mimicked by microspheres.
- Isabelle Niyonshuti and Deborah Okyere co-authored and published her collaborative work in J. Mech. Behavior Biomed. Mater. on cartilage-inspired surface textures for improved tribological performance of orthopedic implants.
- Welcome Ghazaleh Salmanian to the group!

2022
- Ryan Manso successfully defended his dissertation and received his Ph.D. degree in December. He accepted a position at Brewer Science and started his new journey in Februry 2023. Congratulations!
- Welcome Grace Li to the group!
- Geletu Qiang accepted a position at Group14 Technologies and started his new journey in August. Congratulations!
- Dr. Geletu Qing first-authored and David Thompson second-authored their work in Mater. Adv. on Ambient-Pressure Ozone Treatment Enables Tuning of Oxygen Vacancy Concentration in the La1-xSrxFeO3-δ (0 ≤ x ≤ 1) Perovskite Oxides.
- Welcome Natalie Collins to the group!
- Deborah Okyere first-authored and Ryan Manso second-authored their collaborative work in Coatings on stability of polyethylene glycol-coated copper nanoparticles and their optical properties.
- Isabelle Niyonshuti co-authored and published her collaborative work in J. Electrochem. Soc. on single particle electrochemical oxidation of poly(vinylpyrrolidone)-capped silver nanospheres, nanocubes, and nanoplates in potassium nitrate and potassium hydroxide.
- Ryan Manso co-authored and published his collaborative work in ACS Catalysis on Fe coordination environment, Fe-incorporated Ni(OH)2 phase, and metallic core are key structural components to active and stable nanoparticle catalysts for the oxygen evolution reaction.
- Welcome Mei York to the group!

2021
- Isabelle Niyonshuti successfully defended her dissertation and received her Ph.D. degree in December. She received the FDA Nanomaterial Analytical Characterization Fellowship. She will start her new position at the National Center for Toxicological Research as an ORISE Fellow April 2022. Congratulations!
- Welcome Yibing Hu to the group!
- Welcome Dr. Geletu Qing to the group!
- Deborah Okyere successfully defended her thesis and received her M.S. degree in December. She will continue her Ph.D. study in the group. Congratulations!
- Isabelle Niyonshuti and Deborah Okyere successfully completed the intensive 7-week National I-Corps Bay Area Summer 2021 Cohort supported by the NSF I-Corps program. Congratulations!
- Alice Cai graduated from Fayetteville High School in May and was accepted to Harvard University. Congratulations! Enjoy your new journey at Harvard.
- Dr. Chen received the Nolan Faculty Award for Outstanding Graduate Mentorship of Fulbright College of Arts and Sciences at the University of Arkansas.
- Isabelle Niyonshuti co-authored and published her collaborative work in ACS Appl. Nano Mater. on label-free quartz crystal microbalance biosensor based on aptamer-capped gold nanocages loaded with polyamidoamine for thrombin detection.
- Deborah Okyere co-authored and published her collaborative work in Surf. Coat. Technol. on tribological behavior of the PDA/PTFE + Cu-SiO2 nanoparticle thin coatings.
- Isabelle Niyonshuti and Alice Cai co-authored and published their collaborative work in J. Phys. Chem. C on real-time imaging of laser-induced nanowelding of silver nanoparticles in solution.

2020
- Liang Song accepted a position at Applied Materials and started his new journey in November. Congratulations!
- Welcome David Thompson to the group!
- Isabelle Niyonshuti first-authored her work in ACS Appl. Mater. Interfaces on the polydopamine surface coating synergistic effect on silver nanoparticle antimicrobial activity.
- Cameron Crane first-authored and Ryan Manso second-authored and published the work in J. Phys. Chem. C on a metal-on-metal growth approach to metal-metal oxide core-shell nanostructures with plasmonic properties.
- Welcome Elizabeth Reed to the group!
- Isabelle Niyonshuti co-authored and published her collaborative work in Appl. Environ. Microbiol. on the damage of microampere electric currents on baterial membrane.
- Ryan Manso co-authored and published his collaborative work in Appl. Environ. Microbiol. on the effects of silver ions on histone-like nucleoid-structuring proteins in live bacteria.
- Welcome Alice Cai to the group!
- Isabelle Niyonshuti co-authored and published her collaborative work in Tribology International on tribological performance of polydopamine + Ag nanoparticles/PTFE thin films.
- Welcome Dr. Liang Song to the group!

2017-2019

2010-2016