A5066553267- Advanced Fiber Laser Technologies
- Advanced battery technologies research
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Crystallization and Solubility Studies
- Photonic and Optical Devices
- X-ray Diffraction in Crystallography
- Electrocatalysts for Energy Conversion
- Perovskite Materials and Applications
- 2D Materials and Applications
- Advanced Battery Technologies Research
- Quantum Dots Synthesis And Properties
- Nonlinear Optical Materials Studies
- Metamaterials and Metasurfaces Applications
- Supercapacitor Materials and Fabrication
- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Advanced Thermoelectric Materials and Devices
- earthquake and tectonic studies
- Antenna Design and Analysis
- Fuel Cells and Related Materials
- Advanced Antenna and Metasurface Technologies
- Chalcogenide Semiconductor Thin Films
- Optical Network Technologies
- Rock Mechanics and Modeling
University of Colorado Boulder
2020-2024
Chongqing University
2024
University of Colorado System
2021-2023
University of Kentucky
2015-2022
Harbin Institute of Technology
2017-2020
Shenzhen University
2017-2018
Dalian University of Technology
2018
Institute of Semiconductors
2010
Chinese Academy of Sciences
2010
Abstract As the last element in Group VA, bismuthene has garnered substantial interest for its unique electronic and mechanical properties enhanced stability. However, mechanism that drives light‐bismuthene interaction remains completely unclear. Herein, a sonochemical exfoliation approach is employed to deliver successful synthesis of few‐layer bismuthene. The corresponding nonlinear optical response at visible wavelength investigated. refractive index ∼10 −6 cm 2 /W was measured by spatial...
Abstract 2D titanium disulfide (TiS 2 ) is recently found to have strong light absorption properties from visible infrared (IR) region. This feature highly attractive for applications in nonlinear photonics; however, the mechanism of broadband light–matter interaction yet be determined and photonic devices are not developed. Here, first time, experimental evidence supporting photoresponse ultrathin TiS nanosheets ranging 400 nm 1390 reported through laser Z ‐scan measurements....
Antimonene, a new type of mono/few-layer two-dimensional (2D) mono-elemental material purely consisting antimony similar as graphene and phosphorene, has been theoretically predicted with excellent optical response enhanced stability. Herein, we experimentally investigated the broadband nonlinear highly stable few-layer antimonene (FLA) by performing an open-aperture Z-scan laser measurement. Thanks to direct bandgap resonant absorption at telecommunication band, demonstrated feasibility...
Two-dimensional (2D) black phosphorus (BP) shows thickness dependent direct energy band-gaps in association with strong light-matter interaction and broadband optical response, rendering it promising optoelectronic advantages particularly at the telecommunication band. However, intrinsic BP suffers from irreversible oxidization, restricting its competences toward real device applications. As one potential of 2D materials, all-optical signal processing sensitively depends on strength...
Abstract Investigations into 2D nanomaterials are of considerable significance from both an academic and industrial point view. The present work addresses, for the first time, fabrication nonlayered ultrathin selenium through a facile liquid‐phase exfoliation method. results reveal that as‐prepared Se nanosheets 40–120 nm in lateral dimension 3–6 thickness. exhibit trigonal crystalline phase similar to their bulk counterpart, indicating conservation features during procedure. successful...
Black phosphorus (BP), a typical mono-elemental and two-dimensional (2D) material, has gathered significant attention owing to its distinct optoelectronic properties promising applications, despite main obstacle of long-term stability. Consequently, BP-analog materials with chemical stability show additional potential. In this contribution, tin sulfide (SnS), novel two-elemental 2D structural monochalcogenide, been demonstrated enhanced under ambient conditions. The broadband nonlinear...
Abstract All‐optical modulators, wherein signal light can be manipulated by another controlling light, have recently emerged as a promising perspective in all‐optical communications, interconnects and processing. Herein, taking advantage of the strong light‐matter interaction thickness‐dependent direct energy bandgap few‐layer phosphorene, an all‐fiber modulator based on Mach–Zehnder interferometer comprising fluorinated phosphorene‐deposited microfiber has been devised further demonstrated...
Phosphorene, mono/few‐layered black phosphorous with advantages of tunable energy bandgaps and strong light–matter interaction, is fabricated by electrochemical intercalation large area (≈3 µm) controllable thickness (mainly four layers). Thanks to the direct gap resonant absorption four‐layer phosphorene at telecommunication band, all‐optical thresholding optical modulation are demonstrated for communications using few‐layer phosphorene‐decorated microfibers. This device experimentally...
Larger dopants with high electron affinities are found to yield increased electrical conductivities and power factors at lower doping concentrations.
The synthesized FL Se-doped compound shows enhanced optical saturable absorption and high electrical characterizations, which can be developed as an excellent candidate for photoelectric devices.
Enhancements in the performance of organic–inorganic nanocomposite thermoelectrics may be obtained with both small and large energy barriers at interfaces.
Abstract Exploration of ultrastable 2D material‐based optical devices toward all‐optical signal processing is attracting rising interest. As a Group‐VA monoelemental material, antimonene becoming promising nonlinear material owing to its outstanding optoelectronic advantages with long‐term stability. Herein, based on the high nonlinearity first demonstrated. Few‐layer fabricated and decorated microfiber as an device. The device can be applied Kerr switcher extinction ratio ≈12 dB wavelength...
Photon upconversion employing semiconductor nanocrystals (NCs) makes use of their large and tunable absorption to harvest light in the near-infrared (NIR) wavelengths as well small gap between singlet triplet excited states reduce energy losses. Here, we report highest QY (11.8%) thus far for conversion NIR yellow photons by improving quality PbS NC. This high was achieved using highly purified lead thiourea precursors. is 2.6 times higher than from NCs prepared with commercially available...
Abstract Cobalt‐free ultrahigh‐nickel layered oxide cathodes hold great promise for reducing the cost and enhancing energy density of Li‐ion batteries. However, increasing Ni content elimination Co could cause severe interfacial structural degradation, leading to poor electrochemical performance cathodes. Here, a Co‐free oxide, LiNi 0.96 Al 0.03 Ca 0.01 O 2 (NAC), where acts as pillar ions at surface works an oxygen stabilizer across bulk, is presented. An epitaxial layer rich in segregated...
X-ray crystal structures of a phenothiazine posolyte and viologen negolyte cyclic voltammograms solution containing both compounds.
Blending two or more π-conjugated polymers together provides a means of manipulating charge transport properties and potentially improving the performance organic thermoelectrics.
Organic radical cations are important intermediates in a wide variety of chemical processes. To date, significant progress has been made to improve the stability these charged materials for use electrochemical energy storage applications, especially redox flow batteries. Here, we report synthesis and isolation four cation salts N-(2-(2-methoxyethoxy)ethyl)phenothiazine (MEEPT), synthesizing MEEPT-X where X is tetrafluoroborate (BF4–), hexafluorophosphate (PF6–), perchlorate (ClO4–),...
Abstract Increasing lithium‐ion batteries' (LIBs) electrode areal capacity can boost energy density and lower manufacturing costs, but faces challenges in manufacturing, rate performance, cycling stability. A conductive framework made of commercial micro‐sized carbon fibers (Cfs) is presented that serves as a host for both the LiNi 0.5 Mn 0.3 Co 0.2 O 2 (NMC 532) cathode Cfs anode. The Cf has multiple functions offer high electronic conductivity (270 mS cm −1 ), low tortuosity (1.7), Li +...
Pore fluid is ubiquitous within the Earth's crust and severely impacts shear rupture propagation slip behaviors of faults. We conducted triaxial experiments on sandstone to investigate effects crack damage, confining pressure, water fault propagation. Two loading configurations, conventional increasing-amplitude cyclic loading, were compare inelastic behavior failure modes samples. In addition a macroscopic deformation mechanical properties analysis, noncontact optical scanner magnetic...