A5040930580- Advanced Fiber Laser Technologies
- 2D Materials and Applications
- Video Coding and Compression Technologies
- Laser-Matter Interactions and Applications
- Advanced Vision and Imaging
- MXene and MAX Phase Materials
- Photonic and Optical Devices
- Advanced Image Processing Techniques
- Solid State Laser Technologies
- Perovskite Materials and Applications
- Nonlinear Optical Materials Studies
- Image and Video Quality Assessment
- Graphene research and applications
- Luminescence Properties of Advanced Materials
- Advanced Memory and Neural Computing
- Nanoplatforms for cancer theranostics
- Quantum Dots Synthesis And Properties
- Photonic Crystal and Fiber Optics
- Advanced Nanomaterials in Catalysis
- Advanced Data Compression Techniques
- Random lasers and scattering media
- Glass properties and applications
- Luminescence and Fluorescent Materials
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
Shenzhen University
2017-2024
Shanghai Maritime University
2017-2024
Nanning Normal University
2021-2023
Chinese University of Hong Kong
2023
Sun Yat-sen University
2023
Chinese Academy of Sciences
2012-2022
Institute of High Energy Physics
2022
Beijing Shijingshan Hospital
2022
Micron (United States)
2019
Macquarie University
2016-2018
MXenes, generally referring to two-dimensional (2D) transition-metal carbides, nitrides, and carbonitrides, have received tremendous attention since the first report in 2011. Extensive experimental theoretical studies unveiled their enormous potential for applications optoelectronics, photonics, catalysis, many other areas. Because of intriguing mechanical electronic properties, together with richness elemental composition chemical decoration, MXenes are poised provide a new 2D nanoplatform...
Abstract Studies of the nonlinear optical phenomena that describe light‐matter interactions in 2D crystalline materials have promoted a diverse range photonic applications. MXene, as recently developed new material, has attracted considerable attention because its graphene‐like but highly tunable and tailorable electronic/optical properties. In this study, we systematically characterize response MXene Ti 3 C 2 T x nanosheets over spectral 800 nm to 1800 nm. A large effective absorption...
Abstract Continuous and real‐time sensoring has received much attention in biomarker monitoring, toxicity assessment, therapeutic agent tracking. However, its on‐site application is seriously limited by several stubborn defects including liability to fouling, signal drifting, short service life, poor repeatability, etc. Additionally, most current methods require extra sample pretreatment, delaying timely acquisition of testing results. To address these issues, MXene‐Ti 3 C 2 T x based...
Abstract Crystalline porous metal–organic frameworks (MOFs) with nanometer‐sized void spaces, large surface areas and ordered reticular motifs have offered a platform for achieving disruptive successes in divisional fields. Great progress exploring the linear nonlinear optical features of MOFs has been achieved, yet third‐order nonlinearities two‐dimensional (2D) rarely studied. Here, broadband amplitude modification phase shift are demonstrated few‐layer nickel‐ p ‐benzenedicarboxylic acid...
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...
Since the discovery of two-dimensional (2D) transition metal carbides and nitrides, known as MXenes, research on these wonder 2D inorganic compounds has become increasingly intensified with their members quickly expanding. MXenes' state-of-the-art applications are heavily dependent processing strategies manufacturing methods. Nevertheless, solution MXenes not been comprehensively reviewed. This review summarizes progress regarding over past decade well outlines key perspectives for future...
Abstract Graphdiyne is a new carbon allotrope comprising sp‐ and sp 2 ‐hybridized atoms arranged in 2D layered structure. In this contribution, graphdiyne demonstrated to exhibit strong light–matter interaction with high stability achieve broadband Kerr nonlinear optical response, which useful for nonreciprocal light propagation passive photonic diodes. Furthermore, advantage of the unique nonlinearity taken device proposed based on novel similarity comparison method. has large refractive...
Abstract As an analogue compound of black phosphorus, a new 2D semiconducting few‐layer SnS is successfully synthesized, and its nonlinear optical response investigated. It shown that refractive index third‐order susceptibility are measured as n 2 ≈ 10 −5 (cm W −1 ) −10 (e.s.u.), respectively. By taking advantage such large Kerr nonlinearity, all‐optical switching technique based on realized through modulating the propagation signal beam by another controlling beam. The achievement indicates...
Bismuthene, the last and heaviest group-VA elemental two-dimensional material, has received tremendous interests owing to its advantages in electronic-transport, semimetallic bonding, intrinsic spin-orbit coupling. However, light–bismuthene interaction is relatively less investigated. Herein, sonochemical exfoliation approach had been employed deliver a successful synthesis of few-layer bismuthene with an average thickness ∼3 nm lateral size ∼0.2 μm. The corresponding band structure from...
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...
We report simple and compact all-fiber erbium-doped soliton dispersion-managed femtosecond lasers mode-locked by the MXene Ti3C2Tx. A saturable absorber device fabricated optical deposition of Ti3C2Tx onto a microfiber exhibits strong absorption properties, with modulation depth 11.3%. The oscillator operating in regime produces 597.8 fs-pulses 5.21 nm bandwidth, while cavity weak normal dispersion (~0.008 ps2) delivers 104 fs pulses 42.5 bandwidth. Our results contribute to growing body...
Abstract Two‐dimensional (2D) Ti 3 C 2 T x (T = F, O, or OH) MXene, a graphene‐like material, is successfully fabricated for an investigation in nonlinear optics. Its refractive index ( n ≈ 10 −4 [cm W −1 ]) and third‐order susceptibility (≈ −7 [e.s.u.]) are experimentally confirmed by spatial self‐phase modulation (SSPM) techniques. Applying its strong Kerr effect, novel all‐optical switcher based on 2D MXene designed to realize the of pump light probe light. This indicates that could act...
Abstract All‐optical modulators, where one light modulates the parameters of another (intensity, phase, frequency, etc.) without external electronic control, have drawn extraordinary attention in all‐optical information processing. In this contribution, by taking advantage two‐pass structure Michelson interferometer and strong photothermal conversion efficiency MXene nanomaterials, an modulator is demonstrated with a modulation depth >27 dB, free spectrum range 16.8 nm pump‐induced phase...
Owing to the attractive energy band properties, a black phosphorus (BP)-analogue semiconductor, germanium selenide (GeSe), shows promising potential applied for optoelectronic devices. Herein, ultrathin GeSe nanosheets were systematically prepared via facile liquid-phase exfoliation approach, with controllable nanoscale thickness. Different from BP, exhibit good stability under both liquid and ambient conditions. Besides, its ultrafast carrier dynamics was probed by transient absorption...
Abstract As a rising star of all‐carbon nanomaterial, graphdiyne (GDY) has direct natural bandgap and features strong light–matter interaction, large optical absorption, superior chemical stability, indicating its broad prospects in the field photonics optoelectronics. Herein, broadband nonlinear absorption transient characteristics GDY from visible to infrared region been studied for first time, promising application ultrafast explored. The coefficient (> −1 cm GW ), low saturation...
Abstract As one of the rising 2D materials, niobium‐carbide (Nb 2 C, well‐known as a member MXene family) has attracted considerable attention owing to its unique physical and chemical properties. In this work, few‐layer Nb C nanosheets (NSs) with large (≈255 nm) small (≈48 lateral dimensions are obtained via combination selective etching liquid cascade centrifugation. Their relaxation time photophysics process systematically investigated by transient absorption spectroscopy, size effect is...
Abstract Optical signal processing based on 2D materials is a hot topic which has attracted rising interests. As novel class of material, MXene becoming promising nonlinear photonics material. In this contribution, Ti 3 C 2 T x , prepared by liquid acid etching method, developed as all‐optical device depositing microfiber, shows an excellent optical response at the telecommunication band. The as‐fabricated employed wavelength converter four‐wave mixing effect with conversion efficiency –59...
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...
Abstract MXene, as a novel 2D crystal material, possessing tunable bandgap, low optical attenuation and broadband nonlinear responses that may promote the fabrications of advanced electro-photonics devices has gathered remarkable attention recently. However, current investigations crystals for photonics suffer from limitations reproducibility, scalability, compatibility. Inkjet printing is one powerful additive manufacturers facilitate well-controlled, low-cost, scalable small-footprint on...
Abstract As a new class of 2D materials, MXenes have attracted lot interest because their prominent performance in versatile applications, such as batteries, supercapacitors, catalysts, electronics, and optics. In this work, an all‐optical modulator using MXene Ti 3 C 2 T x deposited on microfiber is proposed. By inserting MXene‐deposited phase shifter into one arm Mach–Zehnder interferometer, the absorbs control light generates heat, which induces significant refractive index changes...
Abstract Perovskites are demonstrated as an excellent prospect for applications in all‐optical switching due to their nonlinear optical effects. In this contribution, 2D cesium lead iodine (CsPbI 3 ) quantum dots (QDs) and bromine (CsPbBr x I 3− nanosheets (NSs) prepared, characterized, applied switching, asymmetric response is also investigated. Moreover, the impact of beam distortion on CsPbI QDs CsPbBr NSs systematically analyzed. An technique based perovskite experimentally investigated,...
Owing to its thickness-modulated direct energy band gap, relatively strong light–matter interaction, and unique nonlinear optical response at a long wavelength, few-layer black phosphorus, or phosphorene, becomes very attractive in ultrafast photonics applications. Herein, we synthesized graphene/phosphorene nano-heterojunction using liquid phase-stripping method. Tiny lattice distortions graphene phosphorene suggest the formation of between nanosheets. In addition, systematically...