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We are interested in a wide range of electrochemical aspects.
Electron transfer in bioelectrochemistry
Electron transfer in bioelectrochemistry
We study the electron communication between a redox active enzyme and an electrode surface, via direct electron transfer (DET) or mediated electron transfer (MET). This forms the basis of various bioelectrochemical applications. Read the Enzymatic Bioelectrocatalysis special issue in 2021 which I served as a guest editor, also the recent review in Chem. Soc. Rev. 2023.
Enzymatic biofuel cell
Enzymatic biofuel cell
We are interested in enzymatic biofuel cell that uses enzymes as the catalysts for the conversion of chemical energy into electricity. It holds the promise for wearable and implantable medical devices. Read my review articles (Chem. Rev. 2019; eScience 2022; iScience 2024; Synthetic Metals 2025).
Electrochemical sensors
Electrochemical sensors
We are interested in health-related electrochemical (bio-)sensors, especially on enzymatic biosensors and wearable biosensors. Read our reports (Talanta 2013; Talanta 2014; Analyst 2014; ChemElectroChem 2019; Electrochem. Commun. 2021; Biosensors 2022; Electroanalysis 2022; Sens. Actuat. B: Chem. 2022; Biosensors and Bioelectronics 2024, 246, 115890; Current Opinion in Electrochemistry 2024).
Hybrid energy device
Hybrid energy device
We have developed a type of unique hybrid energy device of enzymatic biofuel cell/supercapacitor, or "autonomous biosupercapacitor". Read our research articles (Biosens. Bioelectron. 2017; Biosens. Bioelectron. 2017; Chem. Commun. 2018; Biosens. Bioelectron. 2022; Journal of Energy Storage 2024, 88, 111469; Chemical Record 2025).
Electrocatalysis
Electrocatalysis
We work on several classic electrocatalysis reactions including hydrogen evolution reaction (HER), oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). We prefer to use porous or nanoporous catalysts due to the large specific area. Read our reports (Electrochimica Acta 2015; ChemElectroChem 2020; Chem. Commun. 2020; ACS Appl. Mater. Interfaces2021; Electrochimica Acta 2021; J. Energy Chem. 2022; Current Opinion in Electrochemistry 2022; J. Energy Chem. 2023; Applied Catalysis B: Environmental 2024).
Nanomaterials based bioelectrodes and surface chemistry
Nanomaterials based bioelectrodes and surface chemistry
We have many years of experience of using dealloyed nanoporous gold (NPG) film for (bio-)electrochemical studies. A robust flexible NPG film is also developed. Read our reports (Electrochimica Acta 2014; Bioelectrochemistry2016; ACS Appl. Mater. Interfaces 2018; J. Am. Chem. Soc. 2020; Electrochimica Acta 2021; Electrochimica Acta 2024).
We also try to deal with the aggregation issue of the usage of reduced graphene oxides for the direct electron transfer of enzymes. Dual functional molecular spacers that also perform as the DET promoter have been adopted. Read our reports (Bioelectrochemistry 2020; Biosens. Bioelectron. 2020; Biosens. Bioelectron. 2022).
Microwave "cooked" nanomaterials
Microwave-assisted heating synthesis (MAHS) is a surfactant-free strategy which circumvents the hinderance induced by capping agents around the nanomaterials. It allows automation. Materials obtained possess great potentials in electrocatalysis, energy storage and conversion. Read our reports (Applied Surface Science2020; Small 2021; Electrochimica Acta 2021; ACS Appl. Mater. Interfaces 2021).
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