A5100776510- MXene and MAX Phase Materials
- 2D Materials and Applications
- Supercapacitor Materials and Fabrication
- Graphene research and applications
- Advanced Sensor and Energy Harvesting Materials
- Advanced biosensing and bioanalysis techniques
- Advanced Antenna and Metasurface Technologies
- Advancements in Battery Materials
- Electromagnetic wave absorption materials
- Advanced battery technologies research
- Biosensors and Analytical Detection
- Advanced SAR Imaging Techniques
- Metamaterials and Metasurfaces Applications
- Gas Sensing Nanomaterials and Sensors
- Perovskite Materials and Applications
- Antenna Design and Analysis
- Advanced Battery Materials and Technologies
- Conducting polymers and applications
- Advanced Photocatalysis Techniques
- Advanced Memory and Neural Computing
- Remote Sensing and Land Use
- Quantum Dots Synthesis And Properties
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Radar Systems and Signal Processing
- Electrowetting and Microfluidic Technologies
Max Planck Institute for Solid State Research
2022-2025
University of Chinese Academy of Sciences
2018-2025
Institute of Physics
2025
Chinese Academy of Sciences
2018-2025
Nankai University
2009-2024
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2024
Heilongjiang Institute of Technology
2007-2024
Chongqing University of Posts and Telecommunications
2021-2023
University of Twente
2018-2023
Nanjing University of Posts and Telecommunications
2014-2023
Porous hollow Co₃O₄ with rhombic dodecahedral structures were prepared by the calcination of ZIF-67 ([Co(mim)2; mim = 2-methylimidazolate]) microcrystals. A supercapacitor was successfully constructed adopting resulting porous structure as electrode material, which showed a large specific capacitance 1100 F g(-1) and retained more than 95.1% after 6000 continuous charge-discharge cycles. The excellent capacitive properties stability mark one most promising materials for high-performance...
An extremely simple in situ self-transformation methodology is developed to introduce pseudocapacitance into the MOF system resulting a largely boosted electrochemical performance: three-fold increase capacitance as well improved rate capacity. all-solid-state hybrid flexible supercapacitor fabricated based on obtained MnOx -MHCF composite and activated carbon with an areal of 175 mF cm(-2) at 0.5 mA .
Inkjet printing is considered as a promising technique for flexible electronics fabrication owing to its simple, versatile, environmental-friendly and low-cost features. The key inkjet ink formulation. In this work highly concentrated containing two-dimensional δ-MnO2 nanosheets with an average lateral size of 89 nm around 1 thickness was used. By engineering the formulation ink, it could be printed on O2 plasma treated glass polyimide film substrates form patterns without undesired...
Two-dimensional carbon-based materials have shown promising electromagnetic wave absorption capabilities in mid- and high-frequency ranges, but face challenges low-frequency due to limited control over polarization response mechanisms ambiguous resonance behavior. In this study, we propose a novel approach enhance efficiency aligned three-dimensional (3D) MXene/CNF (cellulose nanofibers) cavities by modifying properties manipulating the 3D MXene architecture. This controlled mechanism...
Abstract High entropy alloys (HEAs) are promising electromagnetic wave absorption (EMA) materials due to its designable crystal structure, variable properties, and excellent corrosion resistance. However, the impedance mismatch owing high electric dielectric conductivity severely hinders application of HEAs in field EMA. Herein, lattice distortion FeCoNiCu HEA is manipulated accurately by doping annealing strategies tailor EMA properties. Significant observed FeCoNiCuC 0.37 , which leads a...
Digital microfluidics (DMF) is a powerful platform for broad range of applications, especially immunoassays having multiple steps, due to the advantages low reagent consumption and high automatization. Surface enhanced Raman scattering (SERS) has been proven as an attractive method highly sensitive multiplex detection, because its remarkable signal amplification excellent spatial resolution. Here we propose SERS-based immunoassay with DMF rapid, automated, detection disease biomarkers. SERS...
17β-estradiol (17β-E2) plays a critical role in regulating reproduction human, there is therefore an urgent need to detect it sensitively and precisely cost-effective easy method. In this paper, label-free integrated microfluidic paper-based analytical device was developed for highly sensitive electrochemical detection of 17β-E2. The channel the sensor fabricated with wax printing three electrodes, including working, counter reference electrode were screen-printed. Multi-walled carbon...
Printed flexible energy storage devices such as micro-supercapacitors require high electrochemical performance for practical applications. Here, we report a volumetric density of up to 1.13 × 10−3 Wh cm−3 at power 0.11 W by inkjet printing Fe-doped MnO2 nanosheets inks active materials on polyimide substrates. The enhancement results from atomic-level substitutional doping 3d metal ions (Co, Fe, Ni) in sub-nanometer thick 2D nanosheets. Substitutional introduces new electronic states near...
Abstract Fast charging is one of the key requirements for next‐generation lithium‐ion batteries, however, diffusion rates typical electrode materials are limited. Nanosizing active material a common strategy to increase effective transport rate, but it also decreases volumetric energy/power density and stability battery. In this work, nickel niobate NiNb 2 O 6 demonstrated first time as new intrinsic high‐rate anode batteries without requirement realizing nano‐architectures. The host crystal...
Solar batteries capable of harvesting sunlight and storing solar energy present an attractive vista to transition our infrastructure into a sustainable future. Here we integrated, fully earth-abundant battery based on bifunctional (light absorbing charge storing) carbon nitride (K-PHI) photoanode, combined with organic hole transfer storage materials. An internal ladder-type cascade via transport layer is used selectively shuttle the photogenerated holes PEDOT:PSS cathode. This concept...
In this work, we reported a moss-derived biomass porous carbon (MPC) as bi-functional electrode material for both the lithium–sulfur battery and supercapacitor. The MPC was prepared from high-temperature calcination procedure using moss carbonaceous precursor. Using NaOH, activated to give mesoporous structure with high specific surface area (1057.1 m2 g−1) large pore volume (0.72 cm3 g−1). When it used cathode in batteries, realized sulfur loading exhibited remarkably improved...
Abstract An overview of recent progress in the development 2D manganese oxide nanosheet‐based pseudocapacitors is provided, with emphasis on underlying methods and strategies. nanosheets are sheet‐like monocrystallites ≈0.5 nm thickness lateral dimensions 50–5000 nm. MnO 2 synthesized form colloids, which can be readily utilized wet‐chemical processes like ink‐jet printing. The synthetic strategies to make δ‐MnO by bottom‐up top‐down approaches discussed, relationship between ionic defect...
Lithium ion batteries are essential for energy storage in many applications, such as portable electronic devices and electric vehicles. However, charge-discharge rates cycle life of the current insufficient to fulfill targeted requirements projected future devices, due severe limitations conventional graphite anodes. Niobium tungsten oxides have recently been attracting attention a new anode material fast (dis)charging, owing their stable host structure lithium intercalation. It was...
The direct coupling of light harvesting and charge storage in a single material opens new avenues to storing devices. Here we demonstrate the decoupling dark reactions two-dimensional layered niobium tungstate (TBA)
An in-depth understanding of the electronic structure 2H-MoTe2 at atomic layer limit is a crucial step towards its exploitation in nanoscale devices. Here, we show that millimeter-sized monolayer...
Decoupling solar energy conversion and storage in a single material offers great advantage for off-grid applications. Herein, we disclose two-dimensional naphthalenediimide (NDI)-based covalent organic framework (COF) exhibiting remarkable battery performance when used as photoanode. Light-induced radicals are stabilized within the several hours, offering on-demand charge extraction electrical production. Our study reveals mechanistic insights into long-term stabilization using optical...