Dongyang Liu

ORCID: 0009-0007-8805-938X
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Research Areas
  • Advanced Fiber Laser Technologies
  • Photonic Crystal and Fiber Optics
  • Laser-Matter Interactions and Applications
  • Conducting polymers and applications
  • Solid State Laser Technologies
  • Thin-Film Transistor Technologies
  • Aluminum Alloys Composites Properties
  • Semiconductor materials and devices
  • ZnO doping and properties
  • Geomechanics and Mining Engineering
  • Aluminum Alloy Microstructure Properties
  • Organic Electronics and Photovoltaics
  • Orbital Angular Momentum in Optics
  • Nonlinear Optical Materials Studies
  • Advanced Algorithms and Applications
  • Metallurgical Processes and Thermodynamics
  • Advanced Sensor and Control Systems
  • Photonic and Optical Devices
  • Metal and Thin Film Mechanics
  • Recycling and utilization of industrial and municipal waste in materials production
  • Coal Properties and Utilization
  • Cultural Heritage Materials Analysis
  • Glass properties and applications
  • Optical Network Technologies
  • Electrical and Thermal Properties of Materials

Hunan University
2021-2024

Hubei University of Technology
2024

Xinyu University
2024

Institute of Microelectronics
2020-2022

Chinese Academy of Sciences
2020-2022

China University of Petroleum, Beijing
2022

Tianjin University
2021

University of Chinese Academy of Sciences
2020

The Synergetic Innovation Center for Advanced Materials
2020

China University of Mining and Technology
2016-2017

Simultaneously increased current density and open circuit voltage were achieved through doping F4-TCNQ into PEDOT:PSS in inverted perovskite solar cells.

10.1039/c6ta10212c article EN Journal of Materials Chemistry A 2017-01-01

Abstract Protective nitride coatings are widely used in various industrial fields due to their exceptional mechanical, structural, and chemical stabilities under harsh environments. Many have the inherent barrier function against attack of environmental agents, making them splendid materials for, e.g., hydrogen permeation barriers, high-temperature-environment tribocorrosion coatings. However, long-term contact with aggressive environments may still result degradation these coatings, where...

10.1007/s44251-024-00053-6 article EN cc-by Surface Science and Technology 2024-08-14

A positive-gate-bias stress (PBS)-induced hump phenomenon in staggered bottom-gate amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistors (TFTs) is observed, and the possible reason discussed. It found that closely related to device layouts. In conventional metal-over-active (MOA) structure, current independent of channel width. However, for active-over-metal (AOM) disappears when width active layer exceeds a critical value. These results indicate caused by PBS comes from...

10.1109/ted.2020.2972978 article EN IEEE Transactions on Electron Devices 2020-03-02

A stable mid-infrared saturable absorber with a high damage threshold is urgently required for high-performance optical modulation in the regime. Here, we demonstrate erbium-doped fiber laser generation modulated by tantalum carbide nanoparticles (TaC NPs) experimentally. The TaC NPs show physicochemical stability, obvious nonlinear absorption, and threshold. By introducing TaC-based into an laser, nanosecond pulses can be successfully delivered minimum pulse duration of 575 ns...

10.1364/ol.494970 article EN Optics Letters 2023-07-10

We experimentally demonstrate the ultrabroadband optical nonlinearity of indium tin oxide nanocrystals (ITO NCs) in mid-infrared regime. Especially, ITO NCs show considerable saturation absorption behavior with large modulation depth covering spectral range from 2-µm to 10-µm wavelength. also application successfully modulate erbium-doped fluoride fiber laser deliver a nanosecond pulse signal-to-noise ratio over 43 dB at 2.8-µm The results provide promising platform for development ITO-based...

10.1364/ol.478536 article EN Optics Letters 2022-11-16

Broadband nonlinear optical modulators are necessary for versatile applications in communication, laser radar, manufacturing, etc. Here, we report that the zirconium triselenide (ZrSe 3 ) nanoflakes exhibit robust broadband absorption and can modulate Nd:YVO 4 solid-state erbium-doped ZBLAN fiber to deliver stable nanosecond pulse experimentally. The ZrSe have been prepared by liquid phase exfoliation method successfully near-infrared mid-infrared regime. With performance of nanoflakes,...

10.1364/ome.482423 article EN cc-by Optical Materials Express 2023-03-01

The broadband nonlinear optical modulators (NLOMs) are highly required for the versatile optoelectronic applications, especially towards mid-infrared (mid-IR) regime. Transition metal pentatelluride (TMP), typical Dirac semimetal, has attracted great attention due to its unique physicochemical properties, which make it an ideal candidate devices. Here, we prepared HfTe5 and ZrTe5 nanosheets by liquid-phase exfoliation (LPE) method experimentally demonstrated their ultra-broadband modulation...

10.1109/jstqe.2024.3394220 article EN IEEE Journal of Selected Topics in Quantum Electronics 2024-04-26

We report a watt-level mid-infrared (mid-IR) superfluorescent fiber source from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow class="MJX-TeXAtom-ORD"> <mml:msup> <mml:mi mathvariant="normal">E</mml:mi> mathvariant="normal">r</mml:mi> </mml:mrow> <mml:mn>3</mml:mn> <mml:mo>+</mml:mo> </mml:msup> </mml:math> -doped ZBLAN near 3 µm spectral range. With the power amplifier configuration, mid-IR with up to 1.85 W has been delivered successfully slope...

10.1364/ol.428310 article EN Optics Letters 2021-05-14

In this Letter, an amorphous In-Ga-Zn-O (InGaZnO) thin-film transistor (TFT) structure with a vacuum-gap as dielectric layer is proposed and investigated. Field-effect conduction at the vacuum/InGaZnO interfaces exhibits extraordinary effective mobility (μ) up to 65 ± 20 cm2 V−1 s−1, while μ only around 10 s−1 SiO2/InGaZnO similar film processing conditions. Temperature-dependent transport performed for deeper insight of physical origin much higher interface. We have found density states...

10.1063/5.0127613 article EN Applied Physics Letters 2022-12-26

We demonstrated a compact self-starting nanosecond Yb:YAG/V:YAG solid-state laser with cylindrical vector beams output modulated by the intracavity mode converter S-waveplate experimentally. can deliver stable Q-switched pulse highest repetition rate 3.61 kHz and minimum width 26 ns at wavelength of 1030.07 nm help V:YAG crystal. In addition, switchable radially azimuthally polarized be realized polarization extinction ratios 92.3% 89.6%, respectively. The configuration provide solutions for...

10.1364/oe.478080 article EN cc-by Optics Express 2022-12-27

The nonlinear optical materials with small footprint, low operating energy, ultrafast and large response are highly required for the signal processing. Here, we investigated broadband of triangular gold nanoplates on indium tin oxide (ITO) coated glass, obtained a enhancement at its localized surface plasmon resonance (LSPR) region wavelength 780 nm, far from ENZ (epsilon-near-zero) ITO. measured refractive index absorption coefficient can reach up to 8.39×10 <sup...

10.1109/jphot.2021.3085871 article EN cc-by IEEE photonics journal 2021-06-01

Abstract: An all-lead redox flow battery in a fluoroboric acid electrolyte is proposed. The same was used as both the negative and positive electrodes, it consists of high concentration solution Pb(BF4)2 aqueous acid, i.e., 0.1, 0.5, 1.0 1.5 mol·L-1 HBF4. properties graphite glassy carbon electrodes for current collectors were compared using cyclic voltammetry. We found that substrate better than electrode electrode. constructed substrates with single passing though two electrodes....

10.3866/pku.whxb20111105 article EN Acta Physico-Chimica Sinica 2011-01-01

In actual construction ,there existing a big error in GPS, the geophones embedded non-vertical ,azimuth has some deviation.However ,the position information of shot point and receiver ,and azimuthal angle 3D3C determine accuracy seismic exploration final interpretation .While through orientation coordinate data collection ,loading observation system geophone attitude which stored receiving unit to .After R-T rotation ,we obtain common-geophone gather ,obviously continuity lineups are better.

10.2991/iceeg-16.2016.128 article EN cc-by-nc 2016-01-01

Oil level is one of the important parameters fault monitoring on power transformers. Accurate measurement oil can reduce probability transformer failure caused by abnormal level. Since there are still many problems in monitoring, such as low accuracy, weak anti-interference ability, and difficult installation, this paper proposes an online method for based ultrasonic technology, which probe will not directly contact oil. The COMSOL finite element simulation used to select best excitation...

10.2139/ssrn.4374266 article EN 2023-01-01
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