A5036840333- Gas Sensing Nanomaterials and Sensors
- Advanced Sensor and Energy Harvesting Materials
- Electrocatalysts for Energy Conversion
- Supercapacitor Materials and Fabrication
- MXene and MAX Phase Materials
- Conducting polymers and applications
- Graphene research and applications
- Advancements in Battery Materials
- Fuel Cells and Related Materials
- Analytical Chemistry and Sensors
- Advanced battery technologies research
- Advanced Chemical Sensor Technologies
- Covalent Organic Framework Applications
- Graphene and Nanomaterials Applications
- 2D Materials and Applications
- Advanced Photocatalysis Techniques
- Tactile and Sensory Interactions
- Advanced Materials and Mechanics
- Dielectric materials and actuators
- Polymer Surface Interaction Studies
- Adsorption and biosorption for pollutant removal
- Carbon and Quantum Dots Applications
- Advanced Battery Technologies Research
- Catalytic Processes in Materials Science
- Nanomaterials for catalytic reactions
Hebei University of Technology
2018-2025
Blood Center of Zhejiang Province
2024-2025
China International Science and Technology Cooperation
2024-2025
Children's Hospital of Chongqing Medical University
2023-2025
Chongqing Medical University
2023-2024
Jiangxi Agricultural University
2024
Anhui University of Science and Technology
2024
Northeast Agricultural University
2024
Chinese Academy of Sciences
2022-2024
University of Science and Technology of China
2022
Strongly fluorescent graphene quantum dots (GQDs) have been prepared by one-step solvothermal method with PL yield as high 11.4%. The GQDs stability and can be dissolved in most polar solvents. Because of fine biocompatibility low toxicity, are demonstrated to excellent bioimaging agents.
Graphene materials have been widely explored for the fabrication of gas sensors because their atom-thick two-dimensional conjugated structures, high conductivity and large specific surface areas. This feature article summarizes recent advancements on synthesis graphene this purpose techniques applied fabricating sensors. The effects compositions, structural defects morphologies graphene-based sensing layers configurations devices performances will also be discussed.
The recent boom in multifunction portable electronic equipments requires the development of compact and miniaturized circuits with high efficiencies, low costs long lasting time. For operation most line-powered electronics, alternating current (ac) line-filters are used to attenuate leftover ac ripples on direct (dc) voltage busses. Today, aluminum electrolytic capacitors (AECs) widely applied for this purpose. However, they usually largest components circuits. Replacing AECs by more will...
Catalysts for oxygen reduction reaction (ORR) are crucial in fuel cells. Developing metal-free catalyst with high activity at low-cost and high-volume production remains a great challenge. Here, we report novel type of nitrogen-doped nanoporous carbon nanosheets derived from conveniently available accessible plant, Typha orientalis. The have surface area (the highest can be 898 m2 g−1), abundant micropores content nitrogen (highest 9.1 at.%). typical product exhibits an unexpected,...
Graphene has a unique atom-thick two-dimensional structure and excellent properties, making it attractive for variety of electrochemical applications, including electrosynthesis, sensors or electrocatalysis, energy conversion storage. However, the electrochemistry single-layer graphene not yet been well understood, possibly due to technical difficulties in handling individual sheet. Here, we report behavior at graphene-based electrodes, comparing basal plane its edge. The edge showed 4...
Covalently grafting reduced graphene oxide (rGO) sheets with sulfophenyl or ethylenediamine groups can produce chemically modified (CMG) for fabricating high-performance gas sensors. The NO2 sensors based on these CMGs exhibit sensitivities 4 to 16 times higher than that of a sensor rGO. They also show excellent selectivity and repeatability without the aid UV-light thermal treatment. As service our authors readers, this journal provides supporting information supplied by authors. Such...
3D Mxene based gas sensors demonstrated a highly sensitive detection for VOCs in an ultra-wide sensing range at room temperature.
Ni–Fe layered double hydroxide nanoplates loaded on a three-dimensional electrochemically reduced graphene oxide electrode for efficient water oxidation, exhibiting higher activity, kinetics, and stability than those of the IrO<sub>2</sub>catalyst.
A fibre-shaped solid electrochemical capacitor based on electrochemically reduced graphene oxide has been fabricated, exhibiting high specific capacitance and rate capability, long cycling life attractive flexibility.
Graphene oxide membranes (GOMs) are mechanically stable in various organic solvents, and their nanochannels can be narrowed by thermal annealing or widened solvation. Therefore, the semipermeability of GOMs easily modulated, they used as "multipurpose membranes" for molecular sieving media.
Though the widely available, low-cost, and disposable papers have been explored in flexible paper-based pressure sensors, it is still difficult for them to simultaneously achieve ultrahigh sensitivity, low limit broad range of detection, high-pressure resolution. Herein, we demonstrate a novel sensing platform that features MXene-coated tissue paper (MTP) sandwiched between polyimide encapsulation layer printing with interdigital electrodes. After replacing weighing MTP sensor, silver...
Nanoporous graphene (NPG) materials have been widely studied and exploited to open the band gap, increase specific surface area dispersibility, and/or improve optical, catalytic sensing properties of pristine graphene. This review summarizes recent advancements on synthesis NPGs their applications in field effect transistors (FETs), sensors, electrochemical capacitors, nucleic acid analysis molecular sieving.
A highly flexible and stretchable network-structured MXene/polyurethane mat demonstrated ultra-high sensitivity an ultra-wide sensing range for strain sensing.
Reduced graphene oxide (rGO) sheets were self-assembled onto the surfaces of electrospun polymer nanofibers to form an ultrathin coating. These rGO/polymer composite used fabricate nitrogen dioxide (NO2) sensor. This sensor can be performed at room temperature, and it exhibited a high sensitivity 1.03 ppm–1 with excellent selectivity good reversibility. Furthermore, limit detection was experimentally measured as low 150 ppb, this value is much lower than threshold exposure proposed by...
Composite films of graphene oxide (GO) sheets and silk fibroin (SF) with layered structures have been prepared by facile solution casting SF–GO hydrogels. The as-prepared composite film containing 15% (by weight, wt%) SF shows a high tensile strength 221 ± 16 MPa failure strain 1.8 0.4%, which partially surpass those natural nacre. Particularly, this also has modulus 17.2 1.9 GPa. mechanical properties can be attributed to its content GO (85 wt%), compact structure the strong hydrogen...
A graphene–sulfur (G–S) composite was conformally coated with an ultrathin Al2O3 film via atomic layer deposition (ALD) and used as the cathode of a lithium–sulfur (Li–S) battery. The G–S ALD-Al2O3 coating delivered high specific capacity 646 mA h g−1 after 100 charge–discharge cycles at 0.5 C, this value is about twice that bare composite. rate capability coulombic efficiency electrode were also greatly increased. worked artificial barrier to suppress dissolution polysulfides alleviate...
Composites of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and reduced graphene oxide (rGO) have been prepared by solution mixing applied as electrocatalysts for oxygen reduction reaction (ORR) after treatment with concentrated H2SO4. The blending rGO induces the conformational change PEDOT chains from benzoid to quionoid structure charge transfer PEDOT. H2SO4 post-treatment can remove part insulating PSS surface PEDOT:PSS/rGO composite film, resulting in a significant...
Thin films of a thiocyanate ion (SCN-)-doped organometal halide perovskite, CH3NH3PbI3-x(SCN)x, were used as sensing material for developing high-performance gas sensors. The CH3NH3PbI3-x(SCN)x-based chemiresistor-type sensor can sensitively and selectively detect acetone nitrogen dioxide (NO2) at room temperature with high sensitivities 5.6 × 10-3 5.3 10-1 ppm-1. limits detection NO2 measured to be 20 ppm 200 ppb. This also exhibited excellent repeatability, its environmental stability was...
A stretchable, conductive multilevel structured fiber was fabricated. This unique architecture could offer high stretchability and low modulus similar to pure PU address the sensitivity sensing range contradiction in strain sensing.
The development of a new catalyst for the low-cost, environmentally friendly and highly efficient oxygen reduction reaction (ORR) is important commercialization fuel cells. Herein, smart strategy was proposed preparation novel nitrogen-doped nanoporous carbon (N-PC) using resource-rich pomelo peel, type waste, as starting material. typical product (N-PC-1000) possesses high BET surface area (up to 1444.9 m2 g−1), porous structure graphitic N content. In alkaline acidic media, N-PC-1000 shows...