Principal Investigator
Professor Xiao Su
(CV)
Office Number: RAL-107 // E-mail: x2su@illinois.edu
Xiao Su is an Assistant Professor in Chemical and Biomolecular Engineering at the University of Illinois, Urbana-Champaign. He obtained his Bachelor in Applied Sciences in Chemical Engineering from the University of Waterloo in 2011. He completed his PhD in Chemical Engineering from MIT in 2017, working under the supervision of Professor T. Alan Hatton from Chemical Engineering and Professor Timothy F. Jamison from Chemistry. During his doctoral studies, Xiao received the MIT Water Innovation Prize and the MassCEC Catalyst Award for his work on electrochemically-mediated water purification. Since joining Illinois, Xiao has been the recipient of the NSF CAREER Award (2019), the ACS Victor K. Lamer Award (2020), the ISE-Elsevier Prize for Green Electrochemistry (2021), the ACS Unilever Award (2023), and the AIChE FRI/John G. Kunesh Award (2023). His research focuses on molecular engineering for advanced separations and process intensification.
Group Members
Johannes Elbert
Research Scientist
Office Number: RAL-105 // E-mail: jelbert@illinois.edu
Johannes Elbert obtained his bachelor and master’s degree in chemistry from the Technische Universität Darmstadt. During this time, he spent 10 months in the group of Prof. Ian Manners in the at the University of Bristol. He completed his PhD in 2015 (Dr. rer. nat.) at the Technische Universität Darmstadt, under the supervision of Dr. Markus Gallei and Prof. Matthias Rehahn, with a thesis on immobilized ferrocene containing polymers. He then worked at the group of Alan T. Hatton at MIT, on electrochemical water purification, and the Friedrich-Schiller-University Jena on redox-flow batteries. His research is focused on developing new redox active materials.
Kihyun Cho
Research Scientist
Office Number: RAL-105 // E-mail: ck84@illinois.edu
Kihyun Cho received his BS, MS, and PhD degree in Materials Science & Engineering at Korea University in South Korea. During his graduate studies, his research interests lied in the synthesis of semiconductor and metal nanomaterials for advanced energy applications, under the guidance of Prof. Yun-Mo Sung. His PhD thesis topic was the development of one-dimensional nanostructured photoelectrodes for hydrogen generation. After spending some time at Korea University as a research professor, he joined Prof. Prashant K. Jain’s group in Chemistry at UIUC, working on nanostructured fast ion conductors. His current research interest in the Su group lies in developing inorganic materials for electrochemical separations, and new approaches for electrochemical materials processing.
Jiho Lee
Postdoctoral Research Associate
Office Number: RAL-105 // E-mail: jihol@illinois.edu
Jiho Lee received his BS and MS in Chemical and Biomolecular Engineering at Georgia Institute of Technology. He completed his PhD in Chemical Engineering at Seoul National University in 2019 under the supervision of Prof. Jeyong Yoon. His thesis focused on development of electrochemical separation systems for water purification. He then continued his career at Korea Institute of Science and Technology (KIST), working with Dr. Seok Won Hong on photoelectrocatalytic advanced oxidation processes. His research interest in the Su group focus on material synthesis and process design for electrochemically-mediated water purification and recovery of energy and valuable resources.
Wangsuk Oh
Postdoctoral Research Associate
Office Number: RAL-105 // E-mail: wangsuk5@illinois.edu
Wangsuk Oh received his BS in Chemistry in 2014 and PhD in Materials Science and Engineering in 2021 under the supervision of Prof. Ji-Woong Park at Gwangju Institute of Science and Technology (GIST). His doctoral work focused on the synthesis of nanoporous membranes from covalent network polymers and their application to membrane-based flow biocatalysis. His research interest in the Su group is on the polymer synthesis for electrochemically-mediated systems along with fundamental understanding of the structure-property relationship.
Shao-Wei Tsai
Postdoctoral Research Associate
Office Number: RAL-105 // E-mail: swtsai@illinois.edu
Shao-Wei received his BS in Medical Laboratory and Biotechnology at Taipei Medical University. He received his MS and PhD degree in Microbiology and Environmental Engineering, respectively, at National Taiwan University (NTU). His doctoral work focused on selective nitrogen separation systems for nutrient recovery under the supervision of Prof. Chia-Hung Hou. He also worked on electrical regeneration of ion-exchange technology with Prof. Ashok Gadgil at the Lawrence Berkeley National Laboratory in 2018. His research interest in the Su group is on electrochemically-mediated nutrient upcycling.
Yuri Giovane Kappenberg
Postdoctoral Research Associate
Office Number: RAL-7 // E-mail: yurigk@illinois.edu
Yuri received his BS in Chemistry at the Universidade de Santa Cruz do Sul (UNISC) in 2016. He received his MS and PhD in Organic Chemistry at the Universidade Federal de Santa Maria (UFSM) under the supervision of Prof. Helio G. Bonacorso. His doctoral work focused on the synthesis of heterocyclic compounds and their biological and photophysical evaluation. His research interests in the Su group are in developing redox polymers for small molecule separation.
Hee-Eun Kim
Postdoctoral Research Associate
Office Number: RAL-105 // E-mail: kheeeun@illinois.edu
Hee-Eun Kim received her BS in Chemical and Biomolecular Engineering from Yonsei University in South Korea. She received her MS and PhD in Chemical and Biomolecular Engineering from the Korea Advanced Institute of Science and Technology (KAIST) under the supervision of Prof. Hyunjoo Lee. Her doctoral thesis focused on heterogeneous electrocatalysis and application for energy devices. Her current research interest in the Su group is in the selective separation of critical elements.
Stephen Cotty
Postdoctoral Research Associate
Office Number: RAL-105 // E-mail: cotty2@illinois.edu
Stephen graduated from Clemson University in 2017 in Chemical Engineering. During undergraduate at Clemson, he worked with Prof. Mark Roberts on redox-flow battery research, and also full-time at the Argonne National Laboratory on the design of a pilot-scale Flame Pyrolysis Plant. His focus at UIUC is on leveraging redox electrochemistry for process intensification in chemical and environmental applications.
Haley Vapnik
Postdoctoral Research Associate
PhD in Chemical and Biomolecular Engineering 2018-2023
Office Number: RAL-105 // E-mail: hvapnik2@illinois.edu
Haley received her B.S. in Chemical Engineering from Purdue University, in 2018. Her undergraduate research at Purdue involved the study of functional polymers for projects in sensing and enhanced oil recovery, and internships at Logan Aluminum, Kraft Heinz Company, Walt Disney Imageneering and King Nutronics Corporation. Haley’s interests at UIUC focus on functional materials discovery and synthesis for selective electrochemical separations.
Paola Baldaguez Medina
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: paolaab2@illinois.edu
Paola received her B.S in Chemical Engineering from the University of Puerto Rico at Mayagüez in 2019. During undergraduate, she conducted research in separation processes with Prof. Hernández-Maldonado, and spectroscopy with Prof. Hernández-Rivera. She also had internships at the University of Minnesota through the NSF REU program working on block-copolymers, and at the University of Florida with Prof. Rinaldi on rheology studies. Paola’s interests at UIUC focus on electrochemically-driven water purification, interfacial electrochemistry, and electroactive polymer development.
Jemin Jeon
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-7 // E-mail: jeminj2@illinois.edu
Jemin received his B.S. in Chemical Engineering from the Hanyang University at Seoul in 2019. He conducted undergraduate research in solar cell with Prof. Min Jae Ko, microstructures with Prof.Bongjun Yeom, and nanocrystal synthesis with Prof. Brian Korgel at the University of Texas, Austin. He also had an internship as a process engineer at Hanwha Chemical in South Korea. Jemin’s interests at UIUC are on redox-polymer development, process intensification, and small molecule separations.
Riccardo Candeago
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: candeago@illinois.edu
Nayeong Kim
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: nkim65@illinois.edu
Darien Raymond
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: darienr2@illinois.edu
Anaira Roman Santiago
PhD Candidate, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: anairar2@illinois.edu
Anaira graduated from the University of Puerto Rico at Mayagüez in 2020, obtaining her B.S in Chemical Engineering. She conducted research in the transport and destination of contaminants in groundwater with Dr. Ingrid Padilla, and synthesis of metal organic frameworks wastewater treatment with Dr. Hernández-Rivera. She participated in the NSF REU program at the University of South Carolina in graphene oxide membranes for water treatment, and at the University of Florida in wind speed up with Dr. Forrest Masters. Her current research interests focus on developing effective electrochemical systems for water decontamination and environmental applications.
PhD Candidate, Material Science and Engineering
Office Number: RAL-7 // E-mail: jh76@illinois.edu
PhD Student, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: chchung3@illinois.edu
PhD Student, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: cc109@illinois.edu
PhD Student, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: faniyan2@illinois.edu
PhD Student, Chemical and Biomolecular Engineering
Office Number: RAL-105 // E-mail: mf36@illinois.edu
Visiting scholar
Office Number: RAL-105 // E-mail: jhencih@illinois.edu
Undergraduate Researchers

Sean Roh
Academic Year: Senior
Graduation Date: May 2024
Research Period: Feb 2022-
Major: Chemistry

Matthew Faustino
Academic Year: Senior
Graduation Date: May 2024
Research Period: Sep 2022-
Major: Chemical and Biomolecular Engineering

Lily Callen
Academic Year: Senior
Graduation Date: Dec 2023
Research Period: Sep 2022-
Major: Chemical and Biomolecular Engineering

Olivia Hunsberger
Academic Year: Junior
Graduation Date: May 2025
Research Period: Oct 2022-
Major: Nuclear, Plasma, and Radiological Engineering

Wu Brian
Academic Year: Senior
Graduation Date: May 2024
Research Period: Oct 2022-
Major: Chemical and Biomolecular Engineering

Celine Sutio
Academic Year: Senior
Graduation Date: Dec 2023
Research Period: Jan 2023-
Major: Chemical and Biomolecular Engineering

Kate Shchukina
Academic Year: Senior
Graduation Date: Dec 2023
Research Period: Jan 2023-
Major: Chemical and Biomolecular Engineering

Shihyun Park
Academic Year: Senior
Graduation Date: May 2024
Research Period: Feb 2023-
Major: Chemical and Biomolecular Engineering

Freemon Chiu
Academic Year: Senior
Graduation Date: May 2024
Research Period: Oct 2022-
Major: Chemical and Biomolecular Engineering

Junuh Hyun
Academic Year: Senior
Graduation Date: May 2024
Research Period: Jan 2023-
Major: Chemistry

Martin Pouliot
Academic Year: Sophomore
Graduation Date: May 2026
Research Period: Jan 2023-
Major: Chemical and Biomolecular Engineering

Iyer Adwaita Sunder
Academic Year: Senior
Graduation Date: May 2024
Research Period: May 2023-
Major: Chemical and Biomolecular Engineering

Danielle Elizabeth Chao
Academic Year: Junior
Graduation Date: May 2025
Research Period: Mar 2023-
Major: Chemical and Biomolecular Engineering

Shoya Takeda
Academic Year: Senior
Graduation Date: May 2024
Research Period: Jun 2023-
Major: Chemical and Biomolecular Engineering

Edwin Choi
Academic Year: Senior
Graduation Date: Dec 2024
Research Period: Jun 2023-
Major: Chemical and Biomolecular Engineering