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501
Comprehensive Analysis of a Bridged-T Pre-Equalizer Circuit for High-Speed Visible Light Communications
Published 2025-01-01“…The circuit is proposed to overcome the bandwidth limitation of light-emitting diodes (LEDs) in the VLC system. The advanced design system (ADS) and MATLAB were integrated to analyze the behavior of the BTEC in terms of transfer functions and scattering parameters S11, S12, S21, and S22. …”
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502
Optimal parameter identification of photovoltaic systems based on enhanced differential evolution optimization technique
Published 2025-01-01“…The results obtained from the proposed EDE technique show Root Mean Square Errors (RMSE) of 7.730062e-4, 7.419648e-4, and 7.33228e-4 respectively, in parameter identification of RTC France PV cell models based on single, double, and triple diodes. Also, the RMSE involved in parameter identification of PVM-752-GaAs PV cell models based on single, double, and triple diodes are 1.59256e-4, 1.408989e-4, and 1.30181e-4, respectively. …”
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503
A Switched-Capacitor-Based 7-Level Self-Balancing High-Gain Inverter Employing a Single DC Source
Published 2023-01-01“…The proposed 7-level SC inverter requires less number of switches, driver diodes, and capacitors and a lower number of semiconductor switches than most recently developed topologies. …”
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504
Used High Collimation UV-LEDs With a Miniaturized Optomechanical Device for the Detection of Direct Bilirubin
Published 2024-01-01“…Therefore, this study proposed a non-invasive method, using high collimation ultraviolet-light-emitting diodes (HC UV-LEDs) as the light source to design a miniaturized optomechanical device (MOD) for direct bilirubin detection in urine. …”
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505
Green LED as an Effective Light Source for Curing Acrylate-Based Dental Resins in Combination with Irgacure 784
Published 2018-01-01“…Low intensity green light emitting diodes (LED) were shown to be an effective light source to induce the photopolymerization of an acrylate-based photocurable dental restorative resin mixture of bisphenol A glycerolate dimethacrylate (BisGMA), triethylene glycol dimethacrylate (TEGDMA), and diurethane dimethacrylate (UDMA), in combination with fluorinated diaryl titanocene (Irgacure 784). …”
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506
Advanced ferroelectric oxide films and heterostructures for unconventional applications
Published 2025-12-01“…In addition, we also summarize the applications of ferroelectrics, including ferroelectric diodes and ferroelectric tunnel junctions, synaptic devices, domain-wall-based devices, and photoelectric devices, highlighting their significant potential for advanced electronic and optoelectronic devices. …”
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507
The effect of energy band gap of channel transistor region on npn transistor performance; a numerical study
Published 2024-07-01“…The bandgap energy determines the electrical and optical properties of semiconductors and has a direct effect on the performance of diodes and transistors. In this article, the effect of bandgap energy of the channel region of a npn transistor has been investigated and its effects on capacitance and conductivity, threshold voltage, and the Ion-Ioff ratio were studied. …”
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508
A Study on the Working Performance of Dimming Methods for Single- and Multichip Power LEDs
Published 2012-01-01“…Light emitting diodes (LEDs) have many positive features, such as long life, low power consumption, and high luminous efficacy. …”
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509
Investigation of Multi-Output Single-Switch Forward Converter in Terms of Cross-Regulation Using Weighted Control Method
Published 2025-01-01“…In a single-switch forward converter, which is a type of single-input multiple-output (SIMO) DC–DC converter, voltage changes are observed at the outputs due to the current passing through the diodes, the difficulty of winding the transformer in full and half windings, differences in resistance in the windings, the presence of leakage inductance and the existence of common inductance between the windings. …”
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510
Dual H-bridge integrated multiport DC circuit breaker for bus fault interruption in HVDC grids supporting large-scale renewable energy integration
Published 2025-01-01“…By extending a pair of bridge arms in the H-bridge to connect to the DC bus and employing diodes in the load commutation switches (LCSs) to form the second H-bridge, the proposed DCCB not only achieves conventional line fault clearing but also has the ability to interrupt bus faults. …”
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511
Unique Optoelectronic Properties and Applications of Lead‐Free Perovskites and Derivatives
Published 2025-02-01“…This shift is particularly vital in emerging technologies where perovskites play a crucial role, such as solar cells, X‐ray detectors, photodetectors, light‐emitting diodes (LEDs), etc. Consequently, it is paramount to understand the fundamental properties, synthesis methods, and structural characteristics of lead‐free perovskites. …”
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512
Highly Reliable and Low-Cost Fabrication of Warm-White LEDs Using Composite Silica Photonic Crystals
Published 2014-01-01“…We demonstrated a technique requiring little phosphor that used white light-emitting diodes (WLEDs) containing composite silica colloidal photonic crystals (c-SCPhCs) for developing the warm-WLEDs (w-WLEDs). …”
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513
Photocatalytic Degradation of Organic Dyes under Visible Light on N-Doped TiO2 Photocatalysts
Published 2012-01-01“…This study was focused on the application of white and blue light emitting diodes (LEDs) as sources for the photocatalytic degradation of organic dyes in liquid phase with visible light. …”
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514
Joint intelligent optimization design of the active region and electron blocking layer for AlGaN-based deep ultraviolet LEDs
Published 2025-01-01“…Aiming to enhance the internal quantum efficiency (IQE) of AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs), the active region based on the V-shaped quantum well (QW) and the electron-blocking layer (EBL) structure are jointly optimized using intelligent algorithms in this work. …”
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515
Nanometer‐Scale 1D Negative Differential Resistance Channels in Van Der Waals Layers
Published 2025-01-01“…Abstract Negative differential resistance (NDR) is the key feature of resonant tunneling diodes exploited for high‐frequency and low‐power devices and recent studies have focused on NDR in van der Waals heterostructures and nanoscale materials. …”
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516
Deadbeat Control of a Modified Single-Phase Five-Level Photovoltaic Inverter with Reduced Number of Switches
Published 2020-01-01“…The proposed PV inverter is implemented without clamping diodes and transformers, which leads to a decrement in size and, consequently, the weight of the converter. …”
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517
Matching of Silicon Thin-Film Tandem Solar Cells for Maximum Power Output
Published 2013-01-01“…The new measurement procedure uses additional light-emitting diodes as bias light in the JV characterization of tandem solar cells. …”
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518
Back-action supercurrent rectifiers
Published 2025-01-01“…In our devices, dissipationless current flows in one direction whereas dissipative transport occurs in the opposite direction. Supercurrent diodes presented so far rely on magnetic elements or vortices to mediate charge transport or external magnetic fields to break time-reversal symmetry. …”
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519
Sub-Nanosecond Greater-Than-10-V Compact Tunable Pulse Generator for Low-Duty-Cycle High-Peak-Power Ultra-Wideband Applications
Published 2011-01-01“…The present pulse generator compares favorably with pulse generators fabricated in CMOS ICs, step-recovery diodes, or other discrete devices.…”
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520
Enhanced Light Emission from Type-II Red InGaN/GaNSb/GaN Quantum-Well Structures
Published 2022-01-01“…Electronic and optical properties of type-II InGaN/GaNSb/GaN quantum-well (QW) structures are investigated by using the multiband effective mass theory for potential applications in red light-emitting diodes. The heavy-hole effective mass around the topmost valence band is not affected much by the insertion of the GaNSb layer, and the optical matrix elements are greatly increased by the inclusion of the GaNSb layer in the InGaN/GaN QW structure. …”
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