A5011815340- ZnO doping and properties
- Copper-based nanomaterials and applications
- Semiconductor materials and devices
- Gas Sensing Nanomaterials and Sensors
- Chalcogenide Semiconductor Thin Films
- Quantum Dots Synthesis And Properties
- Supercapacitor Materials and Fabrication
- High voltage insulation and dielectric phenomena
- Ga2O3 and related materials
- Magnetic properties of thin films
- Thin-Film Transistor Technologies
- Advanced battery technologies research
- Advancements in Battery Materials
- Metal and Thin Film Mechanics
- Copper Interconnects and Reliability
- Semiconductor materials and interfaces
- Transition Metal Oxide Nanomaterials
- Electronic and Structural Properties of Oxides
- Glass properties and applications
- Perovskite Materials and Applications
- Luminescence Properties of Advanced Materials
- Electron and X-Ray Spectroscopy Techniques
- Acoustic Wave Resonator Technologies
- Electrocatalysts for Energy Conversion
- Diamond and Carbon-based Materials Research
Jiangxi University of Science and Technology
2023-2025
Mayo Clinic
2022-2025
Hunan Normal University
2025
Guangdong University of Petrochemical Technology
2025
City University of Hong Kong
2010-2024
South China Normal University
2024
Ocean University of China
2024
Chang'an University
2006-2024
Southwest University of Science and Technology
2024
Kunming University of Science and Technology
2024
We present two different ways to fabricate nitrogen-doped graphene (N-graphene) and demonstrate its use as a metal-free catalyst study the catalytic active center for oxygen reduction reaction (ORR). N-graphene was produced by annealing of oxide (G-O) under ammonia or N-containing polymer/reduced (RG-O) composite (polyaniline/RG-O polypyrrole/RG-O). The effects N precursors temperature on performance were investigated. bonding state atom found have significant effect selectivity activity...
A smart hybrid nanowire array consisting of Co3O4 porous core and a MnO2 ultrathin nanosheet shell is fabricated using general 3D interfacial carbon-assisted hydrothermal method. The exhibits high capacitance with good cycle performance remarkable rate capability that ranging among the best reported to date for metal oxide systems in absence conducting matrix. Detailed facts importance specialist readers are published as ”Supporting Information”. Such documents peer-reviewed, but not...
Abstract The demand for advanced energy storage devices such as supercapacitors and lithium‐ion batteries has been increasing to meet the application requirements of hybrid vehicles renewable systems. A major limitation state‐of‐art lies in their relatively low density compared with lithium although they have superior power cycle life. Here, we report an additive‐free, nano‐architectured nickel hydroxide/carbon nanotube (Ni(OH) 2 /CNT) electrode high prepared by a facile two‐step fabrication...
Abstract We report the synthesis of a novel branched nano‐heterostructure composed SnO 2 nanowire stem and α‐Fe O 3 nanorod branches by combining vapour transport deposition facile hydrothermal method. The epitaxial relationship between branch is investigated high resolution transmission electron microscopy (HRTEM). determined to grow along [101] direction, enclosed four side surfaces. results indicate that distinct crystallographic planes can induce different preferential growth directions...
We report the properties of a field effect transistor (FET) and gas sensor based on CuO nanowires. nanowire FETs exhibit p-type behavior. Large-scale thin-film transistors (104 devices in 25 mm2 area) are fabricated we effectively demonstrate their enhanced performance. Furthermore, exhibits high fast response to CO at 200 °C, which makes it promising candidate for poisonous sensing nanodevice.
Hierarchically porous Ni-Co oxide powder is successfully synthesized by a facile chemical bath deposition method. The structure and composition of are confirmed transmission electron microscopy energy dispersive X-ray analysis. Scanning characterization indicates that the has architecture numerous microflowers with flakes. pseudocapacitive behavior investigated cyclic voltammgrams (CVs) galvanostatic charge-discharge tests in alkali solution. shows good reversibility high specific...
Hierarchical nanostructures with SnO2 backbones and ZnO branches are successfully prepared in a large scale by combining the vapor transport deposition process (for nanowires) hydrothermal growth ZnO). The nanorods grow epitaxially on nanowire side faces mainly four-fold symmetry. number density morphology of secondary can be tailored changing precursor concentration, reaction time, adding surfactants. Photoluminescence (PL) properties studied as function temperature pumping power. Such...
Abstract Uniform SnO 2 nanorod arrays have been deposited at low temperature by plasma‐enhanced chemical vapor deposition (PECVD). ZnO surface modification is used to improve the selectivity of sensor H gas. The ZnO‐modified shows a normal n‐type response 100 ppm CO, NH 3 , and CH 4 reducing gas whereas it exhibits concentration‐dependent n–p–n transitions for its sensing This abnormal behavior can be explained formation n‐ZnO/p‐Zn‐O‐Sn/n‐SnO heterojunction structures. sensors in highly...
The approach of a hydrophilic group grafted buffer layer (HGGBL) was investigated for perovskite growth to realize highly efficient inverted planar solar cells with superior reproducibility, negligible hysteresis and improved stability.
Pseudocapacitors based on fast surface Faradaic reactions can achieve high energy densities together with power densities. Usually, researchers develop a thin layer of active materials to increase the density by enhancing area; meanwhile, this sacrifices mass loading. In work, we developed novel 3D core–shell Co3O4@Ni(OH)2 electrode that provide very Core–shell porous nanowires (Co3O4@Ni(OH)2) were directly grown Ni current collector as an integrated electrode/collector for supercapacitor...
A possible high efficiency working model of a monolayer PEDOT:PSS film and brief fabrication process.
The rational design of novel hierarchical MoS<sub>2</sub>/CoS<sub>2</sub> heterogeneous nanotube arrays as self-supported and pH-universal electrocatalysts for efficient HER.
Abstract The lattice defects in the bulk and on surface of halide perovskite layer serve as trap sites recombination centers to annihilate photogenerated carriers, determining performance stability optoelectronic devices. Herein, previously reported passivation engineering is extended a full strategy through stereoscopically introducing cysteamine hydrochloride (CSA‐Cl) perovskites. First‐principle density functional theory (DFT) calculations are employed theoretically verify multiple effect...
The morphology of electrode materials is addressed as a key factor controlling rapid lithium storage in anisotropic systems such LiFePO4. In view this, we have synthesized nanoplates LiFePO4 with uniform coating 5 nm thick amorphous carbon layer by the solvothermal method and investigated their electrochemical behavior. obtained are well characterized XRPD, SEM, HRTEM XPS techniques. thickness along b-axis found to be 30–40 nm; favors short diffusion lengths for Li+ ions, while external...
In this paper, SU-8 EPON-based photoresist (PR) polymerization optimization and its possible microfluidic MEMS applications are reported. First, the results of under UV lithography The parameters which could have an influence on quality were chosen optimized by a three-level, L9 orthogonal array Taguchi method. By optimization, optimal parameter range weighted per cent final determined. For SU-8-5 SU-8-50, many microstructures with thicknesses more than 100 500 µm aspect ratios 20 50...
The ultra-fast (30C or 2 min) rate capability and impressive long cycle life (>5000 cycles) of Na2Ti6O13 are reported. A stable 2.5 V sodium-ion battery full cell is demonstrated. In addition, the sodium storage mechanism thermal stability discussed.
The performance of graphene-based transistors is often limited by the large electrical resistance across metal-graphene contact. We report an approach to achieve ultralow metal contacts graphene transistors. Through a process metal-catalyzed etching in hydrogen, multiple nanosized pits with zigzag edges are created portions under source/drain while channel remains intact. porous pure zigzag-termination form strong chemical bonds deposited nickel metallization without need for further...
Cu2ZnSnS4 (CZTS) and its related materials such as Cu2ZnSnSe4 (CZTSe) Cu2ZnSn(S,Se)4 (CZTSSe) have attracted considerable attention an absorber material for thin film solar cells due to the non-toxicity, elemental abundance, large production capacity of their constituents. Despite similarities between CZTS-based Cu(In,Ga)Se2(CIGS), record efficiency remains significantly lower than that CIGS cells. Considering difference two lies in choice material, cause can be isolated issues associated...
ZnO wires are prepared from the oxidation of Zn wires, which electrodeposited into AAO template. The show ferromagnetism at room temperature. A detailed study indicates that, owing to incomplete oxidation, clusters embedded in matrix may attribute room-temperature ferromagnetism. Detailed facts importance specialist readers published as ”Supporting Information”. Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by authors. Please note: publisher is...
We present a method for substitutional p-type doping in monolayer (1L) and few-layer (FL) WS2 using highly reactive nitrogen atoms. demonstrate that the nitrogen-induced lattice distortion atomically thin is negligible due to its low kinetic energy. The electrical characteristics of 1L/FL field-effect transistors (FETs) clearly show an n-channel p-channel conversion with incorporation. investigate defect formation energy origin conduction first-principles calculations. reveal state appears...