Group Members

Principal Investigator

Professor Xiao Su

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), and the ISE-Elsevier Prize for Green Electrochemistry (2021). His research focuses on molecular engineering for advanced separations and process intensification.

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.

Fábio Zazyki Galetto

Visiting Professor

Office Number: RAL-105 // E-mail: fabioz@illinois.edu

Fábio Zazyki Galetto is a Professor of Chemistry Department at Universidade Federal de Santa Catarina (UFSC), Campus of Florianopolis, Brazil. He received his Ph.D. in organic Chemistry from the Universidade Federal de Santa Maria (UFSM) under the supervision of Prof. Antonio L. Braga. While on sabbatical with the Su Group, his interests are in developing redox polymers for small molecule separation.

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.

Raylin Chen

PhD Candidate, Chemical and Biomolecular Engineering

Office Number: RAL-7 // E-mail: raylinc2@illinois.edu

Raylin graduated from the University of California Berkeley, in 2017, receiving a dual B.S. in Chemical Engineering and Materials Science and Engineering. He has performed undergraduate research at the Lawrence Berkeley National Laboratory on catalyst synthesis and characterization. His current research interests at UIUC lie in the fundamental investigation of materials synthesis and processing through electrochemical control.

Stephen Cotty

PhD Candidate, Chemical and Biomolecular Engineering

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

PhD Candidate, Chemical and Biomolecular Engineering

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 Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: candeago@illinois.edu

Riccardo received his Bachelor’s degree in Environmental and Land Engineering at the University of Trento, Italy, in 2016. He did his Master’s program in Materials and Mechanical Engineering with the University of Trento and the Technical University of Munich, under the supervision of Prof. Sonja Berensmeier. He wrote his Master’s thesis at UIUC under the supervision of Prof. Su. Riccardo current focus in on fundamental materials interaction at redox-interfaces and molecular selectivity.

Nayeong Kim

PhD Candidate, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: nkim65@illinois.edu

Nayeong Kim received her B.S. in Chemical and Biological Engineering at the University of Wisconsin-Madison in 2017. She earned her M.S. at Seoul National University in 2020 in Chemical Engineering under the supervision of Prof. Jeyong Yoon, introducing a multi-channel redox system for the enhanced electrochemical desalination. Her research interests are environmental electrochemistry and sustainability, with a focus on integrated electrochemical separations along with the redox-polymer synthesis.

Darien Raymond

PhD Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: darienr2@illinois.edu

Darien graduated from South Dakota School of Mines and Technology in 2020 with a B.S. in Chemical Engineering and a minor in Computational Statistics. During his undergraduate, Darien worked with Prof. Timothy Brenza on biodegradable block copolymers and metal organic frameworks for biosensing. He participated in the NSF REU program at the University of Iowa, working with Prof. Allan Guymon on nanostructured polymerized ionic liquids, and at the Penn State with Prof. Xeuyi Zhang on MOFs for gas separation. Darien’s interests at UIUC include electrochemical separations and the development of crystal-based Faradaic systems.

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.

Jaeyoung Hong

PhD Candidate, Material Science and Engineering

Office Number: RAL-7 // E-mail: jh76@illinois.edu

Jaeyoung received his B.S. in Material Science and Engineering at Seoul National University in 2014. He obtained his M.S. in Chemical and Biological Engineering at the same university in 2016, working on the synthesis of inorganic nanoparticles under the supervision of Prof. Taeghwan Hyeon. He also worked as a researcher in KIST, conducting in-situ TEM research regarding the formation of metal nanoparticles in liquid. His research interests at UIUC focus on the development of polymer-inorganic nanoparticle composite for electrochemical systems.

Ching-Hsiu Chung

PhD Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: chchung3@illinois.edu

Ching-Hsiu received his B.S. in Chemical Engineering from National Taiwan University, in 2020. He conducted his undergraduate research in CO2-coversion catalysis and surface chemistry with Prof. Wen-Yueh Yu. Ching-Hsiu’s interests at UIUC focus on critical element recovery, design of functional electrochemical interfaces, and spectroscopy characterization.

Ching-Yu Chen

PhD Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: cc109@illinois.edu

Ching-Yu received her B.S. in Chemical Engineering in 2019, and her M.S. in Chemistry in 2021 from National Taiwan University. During her graduate and undergraduate research, she worked on the self-assembly synthesis of macromolecules under the supervision of Prof. Sheng-Hsien Chiu. She also conducted operation unit CFD simulation in Prof. Hsiu-Po Kuo’s particle technology and fluid operation lab.

Aderiyike Faniyan

PhD Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: faniyan2@illinois.edu

Ade graduated from the University of Lagos, Nigeria in 2019. She conducted research with Dr. Daniel Ayo on the design of a batch reactor for the extraction of oils from shea nuts. She interned with Halliburton, Solina Health and PyClas. Her focus at UIUC is on leveraging redox electrochemistry for process intensification in chemical and environmental applications.

Melanie Fournier

PhD Student, Chemical and Biomolecular Engineering

Office Number: RAL-105 // E-mail: mf36@illinois.edu

Melanie received her B.S. in Chemistry from Connecticut College in 2022. She conducted research on manganese oxide nanoparticles with Prof. Stanton Ching. Her focus at UIUC is on developing inorganic materials for electrochemical separations.

Angela Wu

Visiting scholar

Office Number: RAL-105 // E-mail: jhencih@illinois.edu

Angela (Jhen-Cih) is a PhD candidate at National Taiwan University under the supervision of Prof. Chia-Hung Hou. She received her BS in Occupational Safety and Health in 2017 and MS in Environmental Engineering in 2019. Her research interest in the Su Group is in the electrocatalytic degradation of water pollutants.