A5073300113- Spectroscopy and Laser Applications
- Advanced Fiber Optic Sensors
- Photonic Crystal and Fiber Optics
- Electrocatalysts for Energy Conversion
- Advanced Fiber Laser Technologies
- Photonic and Optical Devices
- Advanced Photocatalysis Techniques
- Ammonia Synthesis and Nitrogen Reduction
- CO2 Reduction Techniques and Catalysts
- MXene and MAX Phase Materials
- Gas Sensing Nanomaterials and Sensors
- Advanced battery technologies research
- Catalytic Processes in Materials Science
- Graphene research and applications
- Crystallization and Solubility Studies
- Spectroscopy Techniques in Biomedical and Chemical Research
- Advanced Memory and Neural Computing
- Nanomaterials for catalytic reactions
- Carbon Nanotubes in Composites
- Photoacoustic and Ultrasonic Imaging
- 2D Materials and Applications
- Fullerene Chemistry and Applications
- Electrochemical Analysis and Applications
- Advanced Battery Technologies Research
- Atmospheric Ozone and Climate
Hong Kong Polytechnic University
2018-2025
Tianjin University of Science and Technology
2022-2025
Shandong University of Traditional Chinese Medicine
2025
Shenzhen Polytechnic
2018-2024
Tianjin University of Technology
2017-2021
National Institute of Clean and Low-Carbon Energy
2019-2020
University of Electronic Science and Technology of China
2014-2017
General Hospital of Shenyang Military Region
2012-2014
Nanjing Medical University
2013
Jiangsu Province Hospital
2013
Abstract Electrochemical carbon monoxide reduction is a promising strategy for the production of value-added multicarbon compounds, albeit yielding diverse products with low selectivities and Faradaic efficiencies. Here, copper single atoms anchored to Ti 3 C 2 T x MXene nanosheets are firstly demonstrated as effective robust catalysts electrochemical reduction, achieving an ultrahigh selectivity 98% formation products. Particularly, it exhibits high efficiency 71% towards ethylene at −0.7 V...
Abstract Laser spectroscopy outperforms electrochemical and semiconductor gas sensors in selectivity environmental survivability. However, the performance of state-of-the-art laser is still insufficient for many high precision applications. Here, we report mode-phase-difference photothermal with a dual-mode anti-resonant hollow-core optical fiber demonstrate all-fiber (acetylene) detection down to ppt (parts-per-trillion) <1% instability over period 3 hours. An could be designed transmit...
Development of cost-effective, active trifunctional catalysts for acidic oxygen reduction (ORR) as well hydrogen and evolution reactions (HER OER, respectively) is highly desirable, albeit challenging. Herein, single-atomic Ru sites anchored onto Ti3 C2 Tx MXene nanosheets are first reported to serve electrocatalysts simultaneously catalyzing HER, ORR. A half-wave potential 0.80 V ORR small overpotentials 290 70 mV OER respectively, at 10 mA cm-2 achieved. Hence, a low cell voltage 1.56...
Here, we demonstrate that under ambient conditions, a nickel-iron layered double hydroxide nanosheet array can exhibit promising NORR performance, delivering maximal faradaic efficiency of 82% and corresponding yield rate 112 μmol h-1 cm-2, along with high stability for over 30 h. This superior performance is further confirmed as proof-of-concept Zn-NO battery, in which peak power density 1.8 mW cm-2 large NH3 32 are observed. Theoretical analyses indicate NiFe-LDH exhibits effective NO...
We reviewed recent significant developments of noble-metal or transition-metal-based nanoclusters single-atom catalysts that have been used in electrocatalytic CO<sub>2</sub> reduction.
Abstract Ambient NH 3 electrosynthesis from NO reduction reaction (NORR) is attractive in replacing the industrial Haber‐Bosch route; however, competitive hydrogen evolution (HER) aqueous electrolyte typically induces a limited selectivity and activity toward production. Herein, hierarchical P‐doped MoS 2 nanospheres are developed as NORR electrocatalyst an ionic liquid (IL) for catalyzing of to with maximal Faradaic efficiency 69 % (−0.6 V vs RHE) peak yield rate 388.3 μg h −1 mg cat. (−0.7...
Abstract On‐chip waveguide spectroscopic sensors have attracted considerable attention due to its potential for large‐scale integration. However, existing gas based on direct absorption spectroscopy (DAS) suffer from limited sensitivity and measurement range. Here waveguide‐based on‐chip photothermal (PTS) is demonstrated detection with high large dynamic field non‐radiation relaxation of molecules the resulted phase modulation are analyzed. By selecting chalcogenide glass (ChG) as...
Graphdiyne (GDY) is a two-dimensional (2D) carbon allotrope consisting of sp2- and sp-hybridized atoms. It GDY-based materials have tremendous application potentials in the fields catalysis, energy, sensor, electronics optoelectronics because their excellent chemical physical properties. Thus, explorations to synthesize high-quality GDY reveal relationship between structures properties are significance, which structural characterization identification crucial step. In this review, we focus...
Abstract Electrochemical reduction of CO 2 to value‐added multicarbon products, which can be used as fuels or indirectly fuel precursors, is a promising approach reduce levels and mitigate the energy crisis. However, poor product selectivity still major obstacle in development reduction. Here, Cu 3 N‐derived nanowires, with high density grain boundaries, are synthesized demonstrated an efficient electrocatalyst for electrochemical C2 products. The as‐prepared catalyst exhibits excellent...
We study photothermal phase modulation in gas-filled hollow-core optical fibers with differential structural dimensions and attempt to develop highly sensitive practical gas sensors an in-line Fabry-Perot interferometer for detection of the modulation. Analytical formulations based on a hollow-capillary model are developed estimate amplitude at low frequencies as well -3 dB roll-off frequency, which provide guide selection pump maximize Numerical simulation capillary experiments two types...
Abstract Using hydrazine oxidation reaction (HzOR) to replace the oxygen evolution is an effective way decrease overpotential of anodic in overall water splitting (OWS), facilitating cost‐effective and safe hydrogen production. Herein, Rh 2 S 3 /N‐doped carbon hybrids (Rh /NC) are first reported as novel efficient bifunctional electrocatalysts for hydrazine‐assisted generation over a wide pH range. Specifically, /NC exhibits low overpotentials (HER) alkaline (38 mV), neutral (46 acidic (21...
A self-enclosed fiber-optic Fabry-Perot (F-P) cavity is created by splicing a single-mode fiber to photonic crystal (PCF) with precise hole micromachined 157-nm laser at the end face of PCF. Furthermore, such F-P etched chemically and its high-temperature pressure responses are investigated experimentally. The sensitivity ~54.7 pm/MPa temperature ~0.45 pm/°C. proposed sensor could offer some excellent features as good stability, low cross-sensitivity between temperature, ease...
We report a compact mid-infrared (MIR) photothermal spectroscopic ethane (C 2 H 6 ) sensor with hollow-core negative-curvature-fiber (HC-NCF) gas cell. The HC-NCF supports low-loss transmission of an MIR pump (3.348 µm) and near-infrared (NIR) probe (1.55 µm). laser beams are launched into the cell from opposite ends HC-NCF, allowing independent delivery NIR fiber-optic circuitry. use Fabry-Perot as interferometer simplifies design suppresses common-mode noise in lead in/out single-mode...
Surface vacancy engineering holds great promise for boosting the electrocatalytic activity CO2 reduction reaction; however, vacancies are generally unstable and may degrade into inactive phase during electrolysis. Stabilizing vacancy-enriched structure by heteroatoms can be an effective strategy to get a robust active catalyst. Herein, nitrogen-vacancy enriched Nb4 N5 on N-doped carbons is constructed, which thereafter stabilized self-enhanced oxygen doping process. This oxygen-doped complex...
Single Pt atomic sites are stabilized on MXene support <italic>via</italic> the formation of Pt–O and Pt–Ti bonds. The unique asymmetric coordination environment single induces local electric field polarization, which remarkably enhances HER activity.
N-Doped Ti<sub>3</sub>C<sub>2</sub>MXenes with abundant titanium vacancies can be used in seawater reasonable efficiency and good selectivity for CO<sub>2</sub>electrolysis.
The increasing importance of hydrogen as an energy carrier and industrial material calls for sensors with higher sensitivity, better selectivity, faster response, wider dynamic range.Here, we report a nanofiber (NF) sensor that satisfies these requirements single sensing element.The is based on stimulated Raman scattering spectroscopy, but the tightly confined evanescent field associated NF enhances gain per unit length by factor 30 to 10 2 over state-of-the-art hollow-core photonic crystal...
In this work, N-doped ZnO nanorods were prepared <italic>via</italic> a simple plasma treatment. The resulting catalyst showed high electroreduction activity of CO2 at low applied potential, achieving maximum faradaic efficiency 76 ± 4% and 30 h stability.