A5101505878- Electrochemical Analysis and Applications
- Electrocatalysts for Energy Conversion
- Electrochemical sensors and biosensors
- Analytical Chemistry and Sensors
- Advanced Photocatalysis Techniques
- Semiconductor materials and devices
- Conducting polymers and applications
- Physics of Superconductivity and Magnetism
- Machine Learning in Materials Science
- Superconducting Materials and Applications
- GaN-based semiconductor devices and materials
- Advanced battery technologies research
- Advanced Memory and Neural Computing
- Acoustic Wave Resonator Technologies
- High Entropy Alloys Studies
- Molecular Junctions and Nanostructures
- Catalytic Processes in Materials Science
- Advanced biosensing and bioanalysis techniques
- Advanced Nanomaterials in Catalysis
- Ferroelectric and Piezoelectric Materials
- Magnetic properties of thin films
- Silicon Carbide Semiconductor Technologies
- Semiconductor Quantum Structures and Devices
- CO2 Reduction Techniques and Catalysts
- Ferroelectric and Negative Capacitance Devices
State Key Laboratory of Electroanalytical Chemistry
2011-2025
Chinese Academy of Sciences
2014-2025
University of Science and Technology of China
2021-2025
Changchun Institute of Applied Chemistry
2008-2025
Suzhou Institute of Nano-tech and Nano-bionics
2021-2025
Hefei National Center for Physical Sciences at Nanoscale
2025
Shanghai Institute of Microsystem and Information Technology
2017-2024
Technical Institute of Physics and Chemistry
2014-2023
Wuhan Institute of Virology
2023
Robert Bosch (Germany)
2023
Nitric oxide (NO) has been implicated in a variety of physiological and pathological processes. Monitoring cellular levels NO requires sensor to feature adequate sensitivity, transient recording ability biocompatibility. Herein we report single-atom catalysts (SACs)-based electrochemical for the detection live environment. The system employs nickel single atoms anchored on N-doped hollow carbon spheres (Ni SACs/N-C) that act as an excellent catalyst oxidation NO. Notably, Ni SACs/N-C shows...
The electrochemical nitrate reduction reaction (NO3RR) holds promise for converting nitrogenous pollutants to valuable ammonia products. However, conventional electrocatalysis faces challenges in effectively driving the complex eight-electron and nine-proton transfer process of NO3RR while also competing with hydrogen evolution reaction. In this study, we present thermally enhanced nitrate-to-ammonia conversion over nickel-modified copper oxide single-atom alloy nanowires. catalyst...
Aqueous electrolyte design is pivotal for boosting the energy density and lifespan of aqueous batteries, because it can expand electrochemical stability window also mitigate parasitic side reactions. Until now, three main kinds electrolytes, i.e., water-in-salt, eutectic, additives-modified have been developed by which activity H2O be lowered and/or formed specific solid–electrolyte interphase (SEI) decomposition H2O. However, there still a lack universal model to elucidate reason improved...
The vast number of element combinations and the explosive growth composition space pose significant challenges to development high-entropy alloys (HEAs). Here, we propose a procedural research method aimed at accelerating discovery efficient electrocatalysts for oxygen reduction reaction (ORR) based on Pt-based quinary HEAs. begins with an library provided by large language model (LLM), combined microscale precursor printing pulse high-temperature synthesis techniques prepare multi-element...
Graphene sheets are used for the first time to fabricate a new type of solid-contact ion-selective electrode (SC-ISE) as intermediate layer between an ionophore-doped solvent polymeric membrane and glassy carbon electrode. The transducing was characterized by transmission electron microscopy, scanning cyclic voltammetry electrochemical impedance spectroscopy. performance K(+-)selective electrodes examined potentiometric water test, measurements, current reversal chronopotentiometry. obtained...
Using utg-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub>, a photoelectrochemical platform was designed for the sensing of global antioxidant capacity, which presented rapid response, and anti-fouling colour-interference-proof properties.
We report the catalytic activity of a single, isolated Pt deposit on Bi and Pb supports to probe size substrate effects electrochemical hydrogen evolution reaction (HER). Deposits were made electrolytically by an atom-by-atom method in controlled plating; we prepared individual ultramicroelectrodes (UMEs) such as single atom, clusters containing one five atoms, nanoparticles about 10 nm radius. A steady-state voltammogram deposits is observed electrocatalytic amplification HER, with...
ConspectusElectrochemistry at metal nanoparticles (NPs) is of significant current interest because its applications in catalysis, energy conversion and storage, sensors. The electrocatalytic activity NPs depends strongly on their size, shape, surface attachment. use a large number particles most reported kinetic experiments obscured the effects these factors polydispersity different NP orientations. Recent efforts to probe electrochemistry single included recording catalytically amplified...
We describe a method for the electrodeposition of an isolated single Pt atom or small cluster, up to 9 atoms, on bismuth ultramicroelectrode (UME). This deposition was immediately followed by electrochemical characterization via hydrogen evolution reaction (HER) that occurs readily electrodeposited but not Bi. The observed voltammetric current plateau, even atom, which behaves as electrode, allows estimation deposit size. plated from solutions femtomolar PtCl62–, allowed precise control...
The electrocatalytic reduction of CO2 has been studied extensively and produces a number products. initial reaction in the is often taken to be 1e formation radical anion, CO2•-. However, electrochemical detection characterization CO2•- challenging because short lifetime CO2•-, which can dimerize react with proton donors even mild oxidants. Here, we report generation quantitative determination N,N-dimethylformamide (DMF) tip generation/substrate collection (TG/SC) mode scanning microscopy...
Abstract The intrinsic activity assessment of transition metal oxides (TMOs) as key electrocatalysts for the oxygen evolution reaction (OER) has not been standardized due to uncertainties regarding their structure and composition, difficulties in accurately measuring electrochemically active surface area (ECSA), deficiencies mass‐transfer (MT) rates conventional measurements. To address these issues, we utilized an electrodeposition‐thermal annealing method precisely synthesize...
High-entropy alloys (HEAs) present both significant potential and challenges for developing efficient electrocatalysts due to their diverse combinations compositions. Here, we propose a procedural approach that combines high-throughput experimentation with data-driven strategies accelerate the discovery of HEA hydrogen evolution reaction (HER). This enables rapid preparation arrays various element composition ratios within model system. The intrinsic activity is swiftly screened using...
Development of better catalysts for the oxygen reduction reaction (ORR) and other electrocatalytic processes requires detailed knowledge pathways intermediate species. Here we report a new methodology detecting charged reactive intermediates its application to mechanistic analysis ORR. A nanopipette filled with an organic phase that is immiscible external aqueous solution was used as tip in scanning electrochemical microscope detect identify short-lived superoxide (O2(●-)) determine rate...
Oxalate oxidation in the presence of different oxidized luminophores leads to emission light and has been studied extensively electrogenerated chemiluminescence (ECL). The proposed mechanism involves initial formation oxalate radical anion, C2O4•-. ensuing decomposition C2O4•- produces a very strong reductant, CO2•-, which reacts with generate excited states that emit light. Although for decades, experimental demonstration is still lacking, because complexity system short lifetimes both...
Self-powered ultraviolet (UV) photodetectors (PDs) are promising and essential for the applications of next-generation optoelectronic devices. This work proposes demonstrates a self-powered photoelectrochemical (PEC) PD with three excellent characteristics successfully, which ultrahigh transmissivity, UV/visible reject ratio responsivity. Thanks to can achieve critical factor quasi-invisible functionality realize 360° omnidirectional detection. Due angle-dependent photoresponsivity, this PEC...
The inter‐site distance effect (ISDE) has gained significant attention in heterogeneous catalysis, challenging classical models that treat adjacent non‐bonded sites as isolated. Recent studies demonstrate these can exhibit long‐range cooperative interactions, enhancing reaction efficiencies. Fully leveraging the ISDE to overcome limitations site reactivity requires a multidisciplinary approach and advanced techniques. This review provides comprehensive overview of electrocatalysis, starting...
We report on a novel material, tetrakis(4-chlorophenyl)borate (TB–) anion doped nanocluster films, as the solid contact (SC) for producing well-defined, electrochemically reversible, and nonpolarizable double interfaces it. Detailed studies have unambiguously revealed that, first time, developed SC can fully overcome all signal stability problems of ion-selective electrodes (ISEs), offering reliable universal platform development high quality SC-ISEs. As an exemplification,...
A high-performance filter is the key component in 5G communication. surface acoustic wave (SAW) resonator fabricated on a piezoelectric thin film instead of bulk substrate can achieve higher quality factor (Q) and lower temperature coefficient frequency (TCF). Here we performed fabrication 4 in. 42° rotated Y-cut LiTaO3-on-insulator (LTOI) hybrid applied for radio-frequency (RF) resonators. This heterogeneous combining submicrometer single crystalline LT Si wafer was achieved by using...
Investigating the collisions of individual metal nanoparticles (NPs) with electrodes can provide new insights into their electrocatalytic behavior, mass transport, and interactions surfaces. Here we report a experimental setup for studying NP based on use carbon nanopipettes to enable monitoring multiple collision events involving same captured inside pipet cavity. A patch clamp amplifier capable measuring pA-range currents microsecond time scale very low noise stable background was used...
The modulation of topological electronic state by an external magnetic field is highly desired for condensed-matter physics. Schemes to achieve this have been proposed theoretically, but few can be realized experimentally. Here, combining transverse transport, theoretical calculations, and scanning tunneling microscopy/spectroscopy (STM/S) investigations, we provide observation that the state, accompanied emergent magneto-transport phenomenon, was modulated applying through induced...
The properties of nanoparticles (NPs) are determined by their size and geometric structures. A reliable determination NP dimension is critical for understanding physical chemical properties, but sizing ultrasmall particles on the order nanometer (nm) scale in solution still challenging. Here, we report measurement PtNP at resolution situ scanning electrochemical microscopy (SECM), performed with generation removal H2 bubble a reasonably small distance between tip substrate electrodes 200 or...
Carbon fiber micro- and nanoelectrodes have been extensively used to measure dopamine other neurotransmitters in biological systems. Although the radii of some reported probes were ≪1 μm, lengths exposed carbon typically on micrometer scale, thus limiting spatial resolution electroanalytical measurements. Recent attempts determine single cells vesicles provided additional impetus for decreasing probe dimensions. Here, we report two types sensors based nanopipets (CNP) prepared by chemical...