A5053102232- Photonic and Optical Devices
- Plasmonic and Surface Plasmon Research
- Advanced Fiber Optic Sensors
- Photonic Crystals and Applications
- Metamaterials and Metasurfaces Applications
- Mechanical and Optical Resonators
- Adaptive optics and wavefront sensing
- MXene and MAX Phase Materials
- Image Processing Techniques and Applications
- Advanced Fiber Laser Technologies
- 2D Materials and Applications
- Advancements in Battery Materials
- Gold and Silver Nanoparticles Synthesis and Applications
- Supercapacitor Materials and Fabrication
- Thermal Radiation and Cooling Technologies
- Optical Systems and Laser Technology
- Conducting polymers and applications
- Advanced Battery Materials and Technologies
- Stellar, planetary, and galactic studies
- ZnO doping and properties
- Advanced Surface Polishing Techniques
- Optical Coherence Tomography Applications
- Optical Network Technologies
- Perovskite Materials and Applications
- Optical Wireless Communication Technologies
University of Electronic Science and Technology of China
2024-2025
Nanjing Medical University
2023-2025
Binzhou Technician College
2025
Institute of Forest Ecology, Environment and Protection
2025
Chinese Academy of Forestry
2025
National University of Singapore
2018-2024
University of Jinan
2020-2023
Northwest Normal University
2023
Shanghai Fudan Microelectronics (China)
2023
Tianjin University of Science and Technology
2023
Photodetection over a broad spectral range is crucial for optoelectronic applications such as sensing, imaging, and communication. Herein, high-performance ultra-broadband photodetector based on PdSe2 with unique pentagonal atomic structure reported. The responds from visible to mid-infrared (up ≈4.05 µm), operates stably in ambient at room temperature. It promises improved compared conventional photodetectors. highest responsivity external quantum efficiency achieved are 708 A W-1 82 700%,...
Abstract Bulk photovoltaic effect (BPVE), featuring polarization-dependent uniform photoresponse at zero external bias, holds potential for exceeding the Shockley-Queisser limit in efficiency of existing opto-electronic devices. However, implementation BPVE has been limited to naturally materials with broken inversion symmetry, such as ferroelectrics, which suffer low efficiencies. Here, we propose metasurface-mediated graphene photodetectors cascaded polarization-sensitive under...
Infrared (IR) plasmonic nanoantennas (PNAs) are powerful tools to identify molecules by the IR fingerprint absorption from plasmon-molecules interaction. However, sensitivity and bandwidth of PNAs limited small overlap between sensing hotspots sharp resonance peaks. In addition intuitive methods like enhancement electric field enrichment on surfaces, we propose a loss engineering method optimize damping rate reducing radiative using hook (HNAs). Furthermore, with spectral multiplexing HNAs...
The photogating effect in hybrid structures has manifested itself as a reliable and promising approach for photodetectors with ultrahigh responsivity. A crucial factor of the is built-in potential at interface, which controls separation harvesting photogenerated carriers. So far, primary efforts designing rely on discovering different materials developing multilayer structures, may raise problems compatibility standard semiconductor production line. Here, we report an enhanced monolayer...
Photogating effect is the dominant mechanism of most high-responsivity two-dimensional (2D) material photodetectors. However, ultrahigh responsivities in those devices are intrinsically at cost very slow response speed. In this work, we report a WSe
Abstract High quantum efficiency and wide-band detection capability are the major thrusts of infrared sensing technology. However, bulk materials with high have consistently encountered challenges in integration operational complexity. Meanwhile, two-dimensional (2D) semimetal unique zero-bandgap structures constrained by bottleneck intrinsic efficiency. Here, we report a near-mid ultra-miniaturized graphene photodetector configurable 2D potential well. The well constructed dielectric can...
Abstract Metal‐organic frameworks (MOFs), typically constructed with metallic nodes and organic linkers, have influenced the development of modular solid materials. Their adjustable molecular structure provides a remarkable variety MOF‐based solid‐state structures towards diverse applications. However, low conductivity traditional MOFs extremely hinders their applications in electronic electrochemical devices. The emerging conductive MOFs, generally possessing two‐dimensional layered...
Abstract Black phosphorus (BP) offers unique opportunities for mid‐infrared (MIR) waveguide photodetectors due to its narrow direct bandgap and layered lattice structure. Further miniaturization of the photodetector will improve operation speed, signal‐to‐noise ratio, internal quantum efficiency. However, it is challenging maintain high responsivities in miniaturized BP because reduced light–matter interaction lengths. To address this issue, a method utilizing slow light effect photonic...
Abstract Long-wave infrared (LWIR, 6–14 µm) processes enormous potential for chem/biosensing as it covers abundant molecular absorption fingerprints. Waveguides provide an attractive chip-scale miniaturization solution optical sensors. However, the exploration of waveguide sensors in this wavelength range is limited. Here, LWIR photonic platform fast and sensitive on-chip gas sensing developed using suspended silicon (Si) supported by subwavelength grating (SWG) metamaterial claddings. This...
Security is a prevailing concern in communication as conventional encryption methods are challenged by progressively powerful supercomputers. Here, we show that biometrics-protected optical can be constructed synergizing triboelectric and nanophotonic technology. The synergy enables the loading of biometric information into domain multiplexing digital at zero power consumption. process seals signals with envelope to avoid disrupting original high-speed enhance complexity transmitted...
Mid-infrared absorption spectroscopy plays an important role in molecule identification and quantification for widespread applications. Integrated photonics provides opportunities to perform spectroscopic sensing on-chip the minimization of device size, cost, power consumption. The integration waveguides photodetectors is indispensable step toward realization these systems. It desired extend operating wavelengths systems long-wave infrared (LWIR) range utilize more molecular fingerprints....
We employ a statistical approach to estimate the number of photoluminescence quenching species as function doping concentration.
Abstract Metamaterials, consisting of subwavelength resonant structures, can be artificially engineered to yield desired response electromagnetic waves. In contrast the naturally existing materials whose properties are limited by their chemical compositions and optical metamaterials is controlled geometrics unit cells, called “meta-atoms”. Many exotic functionalities such as negative refractive index, cloaking, perfect absorber, have been realized in metamaterials. One recent technical...
Miniaturized infrared spectroscopy is highly desired for widespread applications, including environment monitoring, chemical analysis, and biosensing. Nanoantennas, as a promising approach, feature strong field enhancement provide opportunities ultrasensitive molecule detection even in the nanoscale range. However, current efforts higher sensitivities by nanogaps usually suffer trade-off between performance fabrication cost. Here, novel crooked nanoantennas are designed with different...
Few-layered V 2 C MXene derived 3D 3 S 4 nanocrystal functionalized carbon flakes are controllably fabricated as an integrated host of sulfur for Li–S batteries, thanks to their strong chemical/physical adsorption and high catalytic activity.
Abstract Graphene has attracted great interest for integrated photonic platforms in the long‐wave infrared (LWIR) spectroscopic and polarimetric sensing due to capability of on‐chip integration, fast response, broadband operation. However, graphene suffers from low photoresponsivity thus poor performance weak absorption. Polarization detection using is hindered by its small in‐plane anisotropy. Here, nanoantenna‐mediated photodetectors (NMGPDs) are proposed enhance responsivity tailoring...
The increasing frequency of both singular and compound extreme climate events driven by global warming has profoundly impacted terrestrial ecosystems. Using machine learning-based Random Forest algorithms moving correlation analysis, this study quantifies the impacts indices (ECIs) on two ecological indicators (EIs), NDVI GPP, from 1982 to 2019. results reveal that exert a more pronounced influence ecosystems across Southwestern China (SWC) than ones. Specifically, GPP exhibited strong...
Abstract Batch adsorption experiments were carried out to remove heavy metal ions such as Cu (II), Ni Cd and Cr (VI) from single‐metal solutions using a polyaniline/palygorskite (PP) composite. Different parameters affecting the capacity contact time pH of solution have been investigated. The structural characteristics PP composite studied in this work. Atomic absorption spectroscopy was used for measurement contents, ( q e ) calculated 114 mg (II) g −1 , 84 56 198 under optimal conditions....