A5019049625- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Gas Sensing Nanomaterials and Sensors
- Advanced Battery Materials and Technologies
- Analytical Chemistry and Sensors
- ZnO doping and properties
- Advanced battery technologies research
- Transition Metal Oxide Nanomaterials
- Advanced Chemical Sensor Technologies
- Graphene research and applications
- Advanced Sensor and Energy Harvesting Materials
- Electrocatalysts for Energy Conversion
- Electrochemical sensors and biosensors
- Quantum and electron transport phenomena
- Quantum Dots Synthesis And Properties
- Advanced biosensing and bioanalysis techniques
- Conducting polymers and applications
- Carbon Nanotubes in Composites
- Advanced Photocatalysis Techniques
- Semiconductor Quantum Structures and Devices
- Advanced Battery Technologies Research
- 2D Materials and Applications
- Nanowire Synthesis and Applications
- Extraction and Separation Processes
- Electrochemical Analysis and Applications
Southern University of Science and Technology
2019-2025
Northwest Normal University
2021-2024
Xiamen University of Technology
2013-2023
Hunan University
2011-2022
Xiamen University
2012-2022
State Key Laboratory of Chemobiosensing and Chemometrics
2008-2019
Chemo (France)
2014-2015
Jiangsu Cancer Hospital
2012-2015
Nanjing Medical University
2012-2015
Institute of Microelectronics
2015
A layered SnS2-reduced graphene oxide (SnS2-RGO) composite is prepared by a facile hydrothermal route and evaluated as an anode material for sodium-ion batteries (NIBs). The measured electrochemical properties are high charge specific capacity (630 mAh g−1 at 0.2 g−1) coupled to good rate performance (544 2 long cycle-life (500 1 400 cycles).
In this work, we report a cathodic electrogenerated chemiluminescence (ECL) of luminol at positive potential (ca. 0.05 V vs Ag/AgCl) with strong light emission on the graphene-modified glass carbon electrode. The resulted electrode offers an excellent platform for high-performance biosensing applications. On basis ECL signal electrode, sandwich immunosensor sensitive detection cancer biomarkers low was developed multiple amplification strategy from functionalized graphene and gold nanorods...
This review overviews the recent development of nanomaterials for application electrochemical non-enzymatic glucose biosensors. The electrocatalytic mechanism and sensing performance a variety nanostructured materials including metallic nanoparticles, metal oxides, complexes, alloys carbon are discussed. merits shortfalls each nanomaterial as electrocatalyst biosensing evaluated prospects biosensors presented.
By employing microwave irradiation as a heat source, magnetite/graphene composites were synthesized by depositing Fe3+ in the interspaces of graphene sheets. The Fe3O4 nanoparticles dispersed on As anode materials for lithium ion batteries, they showed high reversible capacities, well significantly enhanced cycling performances (about 650 mA h g−1 after 50 cycles) and rate capabilities (350 at 5 C). enhancement could be attributed to sheets, which served electron conductors buffers. Our...
Much attention has been paid to exploring electrode materials with enhanced supercapacitor performance as well relatively low cost and environmental friendliness. In this work, NiMoO4 nanospheres nanorods were synthesized by facile hydrothermal methods. The hierarchical about 2.5 μm in diameter assembled from thin mesoporous nanosheets a thickness of 10–20 nm. 80 nm 300 1 length. Their electrochemical properties investigated for use supercapacitors (SCs). exhibited higher specific...
Metallic tin has been considered as one of the most promising anode materials both for lithium (LIBs) and sodium ion battery (NIBs) because a high theoretical capacity an appropriate low discharge potential. However, Sn anodes suffer from rapid fading during cycling due to pulverization induced by severe volume changes. Here we innovatively synthesized pipe-wire TiO2-Sn@carbon nanofibers (TiO2-Sn@CNFs) via electrospinning atomic layer deposition suppress pulverization-induced decay. In...
CoMoO4 nanoplate arrays (NPAs) were grown directly on Ni foam via a template-free hydrothermal route. The morphology of NPAs was examined by scanning and transmission electron microscopy the phase structure nanoplates (NPs) analyzed using X-ray diffraction spectroscopy. Based series time-dependent experiments, possible growth mechanism for this proposed. supported could be used as integrated electrodes electrochemical capacitors. Such unique array architectures exhibited remarkable...
NiCo2O4 with higher specific capacitance is an excellent pseudocapacitive material. However, the bulk material prevents achievement of high energy desity and great rate performance due to limited electroactive surface area. In this work, nanosheet arrays were deposited on flexible carbon fabric (CF) as a high-performance electrode for supercapacitors. The constructed by interconnected ultrathin nanosheets (10 nm) many interparticle pores. porous feature increases amount sites facilitates...
In this paper, three dimensional (3D) uniform ZnCo-glycolate precursor microspheres composed of nanosheets were successfully synthesized via a facile ethylene glycol (EG) mediated solvothermal method. Through moderate calcination the as-synthesized precursor, they could be converted into mesoporous ZnCo2O4 with surrounding nanoparticles. The obtained samples systematically characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM), photoelectron...
A facile hydrothermal method is developed for large-scale production of three-dimensional (3D) hierarchical porous nickel cobaltate nanowire cluster arrays derived from nanosheet with robust adhesion on Ni foam. Based the morphology evolution upon reaction time, a possible formation process proposed. The role NH4F in structure has also been investigated based different amounts. This unique significantly enhances electroactive surface areas NiCo2O4 arrays, leading to better...
We report a room-temperature NH3 gas sensor with high response and great long-term stability, including CeO2 NPs conformally coated by cross-linked PANI hydrogel. Such core-shell nanocomposites were prepared in situ polymerization different weight ratios of aniline. At room temperature, the nanohybrids showed enhanced (6.5 to 50 ppm NH3), which could be attributed p-n junctions formed intimate contact between these two materials. Moreover, stability was discussed terms phytic acid working as...
Currently, tremendous attention has been paid to the rational design and synthesis of unique core/shell heterostructures for high-performance supercapacitors. In this work, ZnO@Co3O4 on nickel foam are successfully synthesized through a facile cost-effective hydrothermal method combined with short post annealing treatment. Mesoporous Co3O4 nanowires multidirectional growing rhombus-like ZnO nanorods. addition, growth mechanism such is also proposed. Supercapacitor electrodes based thoroughly...
In this work, we report a facile two-step hydrothermal method to synthesize the unique three-dimensional Co3O4@NiMoO4 core/shell nanowire arrays (NWAs) on Ni foam for first time. The Co3O4 nanowires are fully covered by ultrathin mesoporous NiMoO4 nanosheets. When evaluated as binder-free electrode supercapacitors in 2 M KOH aqueous solution, hybrid exhibits greatly enhanced areal capacitance of 5.69 F cm(-2) at high current density 30 mA cm(-2), nearly 5 times that pristine (1.10 cm(-2))....
ZnS/graphene composites are prepared using a facile solvothermal process by combining the reduction of graphene oxide with growth ZnS aggregates in one step.
The utilization of porous carbon frameworks as hosts for sulfur loading is an important theme in current Li‐S battery research. Unfortunately, the high insulating often leads to low specific capacities, poor rate properties, and rapid capacity loss. To address this challenge, a facile templating route fabricate novel host material, hierarchical rods constructed by vertically oriented graphene‐like nanosheets (HPCR) presented. With surface area, ultralarge pore volume, structures, ideal ion...
Differentiated regulation of the interactions between ions, water and polymer is an effective way to get high-quality thermopower.
One-dimensional nanosized core/shell PN-junctions are formed from N-type SnO2 nanorods (synthesized via a hydrothermal method; diameter ∼10 nm, length ∼100 nm) uniformly coated with P-type CuO nanoparticles (diameter ∼4 nm). Gas sensors realized these PN-junction nanorods, and their resistances greatly decrease upon exposed to H2S at room temperature. The sensitivity against 10 ppm 60 °C is up 9.4 × 106. At the same time, have very good selectivity H2S. Such performances probably attributed...
A simple sonochemical route for the surface synthesis of CdS nanoparticles on ZnO nanorods is reported. Ultrasonic irradiation a mixture nanorods, cadmium chloride, and thiourea in an aqueous medium 2 h yields nanorod/CdS nanoparticle (ZnO/CdS) composites with core/shell-type geometry. The powder X-ray diffraction ZnO/CdS shows additional peaks corresponding to hexagonally structured CdS, apart from signals nanorod cores. Transmission electron microscopy images reveal that are coated typical...