Light-emitting diode
View article: Synthesis and Luminescent Properties of Dy3+-Activated Yellow Phosphors with Anomalous Thermal Quenching for w-LEDs
Synthesis and Luminescent Properties of Dy3+-Activated Yellow Phosphors with Anomalous Thermal Quenching for w-LEDs Open
Thermal stability is a crucial factor in evaluating phosphors and determining whether they can be utilized in white light emitting diodes (w-LEDs). In this work, a series of Sr6LuAl(BO3)6: Dy3+ (SLAB:Dy3+) phosphors was synthesized via hig…
View article: Ultranarrow electroluminescence from magnetic excitons in the van der Waals antiferromagnetic semiconductor NiPS3
Ultranarrow electroluminescence from magnetic excitons in the van der Waals antiferromagnetic semiconductor NiPS3 Open
View article: Electrical control of photon spin angular momentum in organic electroluminescent materials
Electrical control of photon spin angular momentum in organic electroluminescent materials Open
The photon spin information encoded in circularly polarized (CP) light is of high interest for current and future technologies, including low-power displays, encrypted communications and high-performance quantum applications. Engineering o…
View article: Highly Efficient Narrow‐Emitting Circularly Polarized Organic Light‐Emitting Diode with an Intramolecular Sensitization Mechanism by Through‐Space Energy Transfer
Highly Efficient Narrow‐Emitting Circularly Polarized Organic Light‐Emitting Diode with an Intramolecular Sensitization Mechanism by Through‐Space Energy Transfer Open
Solution‐processable circularly polarized (CP) organic light‐emitting diodes (OLEDs) are unique devices generating CP electroluminescence. However, the efficiency of solution‐processed CP OLEDs is still low compared with vacuum‐processed C…
View article: Red and white LED light improve vegetative propagation of Dysophylla yatabeana in closed-type smart farm
Red and white LED light improve vegetative propagation of Dysophylla yatabeana in closed-type smart farm Open
View article: Formation of Light-Emitting Defects in Ag-based Memristors
Formation of Light-Emitting Defects in Ag-based Memristors Open
Optical memristors are innovative devices that enable the integration of electro-optical functionalities - such as light modulation, multilevel optical memory, and nonvolatile reprogramming - into neuromorphic networks. Recently, their cap…
View article: Computationally Accelerated Discovery of Efficient Dual Component White Light Emitters
Computationally Accelerated Discovery of Efficient Dual Component White Light Emitters Open
Raw data for a computationally guided approach to formulating solution-based white light emission from a series of H-bonded iridium phosphors and a complementary H-bonding fluorophore. We computationally investigated thirty new Ir(III) com…
View article: Integrated PbTe Quantum Dots for Two-Color Detection in II–VI Wide-Bandgap Diodes
Integrated PbTe Quantum Dots for Two-Color Detection in II–VI Wide-Bandgap Diodes Open
Quantum dots (QDots) composed of the narrow-bandgap semiconductor PbTe were incorporated into the depletion region of p–n junctions based on wide-bandgap II–VI semiconductors (p-ZnTe/n-CdTe). The heterostructures were grown by molecular be…
View article: An Extended Time-Mode Digital Pixel CMOS Image Sensor for IoT Applications
An Extended Time-Mode Digital Pixel CMOS Image Sensor for IoT Applications Open
Time-mode digital pixel sensors have several advantages in Internet-of-Things applications, which require a compact circuit and low-power operation under poorly illuminated environments. Although the time-mode digitization technique can th…
View article: Formation of Light-Emitting Defects in Ag-based Memristors
Formation of Light-Emitting Defects in Ag-based Memristors Open
Optical memristors are innovative devices that enable the integration of electro-optical functionalities - such as light modulation, multilevel optical memory, and nonvolatile reprogramming - into neuromorphic networks. Recently, their cap…
View article: The Study on the Aluminium Gallium Indium Phosphide Laser
The Study on the Aluminium Gallium Indium Phosphide Laser Open
The aluminium gallium indium phosphide laser is a variant of the visible-light diode laser. Red and green wavelengths of electromagnetic radiation are emitted by visible diode lasers. The p-n junction serves as the active medium in the sem…
View article: Efficient single-photon emission via quantum-confined charge funneling to quantum dots
Efficient single-photon emission via quantum-confined charge funneling to quantum dots Open
Quantum light sources, particularly single-photon emitters (SPEs), are critical for quantum communications and computing. Among them, III-V semiconductor quantum dots (QDs) have demonstrated superior SPE metrics, including near-unity brigh…
View article: Tailoring the Microstructure and Electronic Properties of CsPbBr <sub>3</sub> Perovskite Films: Toward High‐Efficiency Light‐Emitting Diodes
Tailoring the Microstructure and Electronic Properties of CsPbBr <sub>3</sub> Perovskite Films: Toward High‐Efficiency Light‐Emitting Diodes Open
3D perovskites, offering higher thermal and humidity stability than organic–inorganic hybrid counterparts, have attracted significant attention for their promising application in high‐efficiency and high‐brightness light‐emitting diodes (L…
View article: Perspectives on the Spectral Characterization of Junction Temperature in LED Devices
Perspectives on the Spectral Characterization of Junction Temperature in LED Devices Open
Accurate measurement of light emitting diode (LED) junction temperature (Tj) is critical due to its profound impact on device performance, including luminous efficacy, wavelength stability, and lifespan. While conventional methods such as …
View article: Polymer-constrained excimer enables flexible and self-healable optoelectronic elastomer for mechanical sensor
Polymer-constrained excimer enables flexible and self-healable optoelectronic elastomer for mechanical sensor Open
The development of high-performance, flexible, and self-healable optoelectronic materials is pivotal for advancing next-generation wearable technologies. In this study, we introduce nanoscale naphthyl-naphthyl microphase separation into a …
View article: Complementarity fusion of boron-oxygen and carbazole blocks enables narrowband blue OLEDs with high performance
Complementarity fusion of boron-oxygen and carbazole blocks enables narrowband blue OLEDs with high performance Open
The development of ultra-high-definition organic light-emitting diodes (OLEDs) displays requires efficient and narrowband blue emission. Nevertheless, binary host-guest doped narrowband blue OLEDs still face significant challenges in simul…
View article: Fresnel Lenses for CSP
Fresnel Lenses for CSP Open
The industrial revolution moved society organization from farming communities distributed on the land, self-sufficient in energy and food provided by the sun, to concentrated sources as oil and natural gas. Now there is a reversal of this …
View article: High UV Sensitivity in Graphene-Silicon Schottky Photodiodes in Industry Standard Packaging
High UV Sensitivity in Graphene-Silicon Schottky Photodiodes in Industry Standard Packaging Open
Graphene is of great scientific and commercial interest due to its unique physical properties, including exceptionally high carrier mobility and light transparency over a wide wavelength range. Graphene forms a heterojunction with silicon,…
View article: Excitation-dependent photoluminescence and Eu3+ doping effects in BaZrO3 phosphors for red-emitting solid-state lighting
Excitation-dependent photoluminescence and Eu3+ doping effects in BaZrO3 phosphors for red-emitting solid-state lighting Open
View article: Effect of FABr Over-Stoichiometry on the Morphology and Optoelectronic Properties of Wide-Bandgap FAPbBr_3 Films
Effect of FABr Over-Stoichiometry on the Morphology and Optoelectronic Properties of Wide-Bandgap FAPbBr_3 Films Open
In this study, we investigate the impact of formamidinium bromide (FABr) over-stoichiometry in the precursor solution on the optoelectronic properties and morphology of the resulting films of formamidinium lead bromide (FAPbBr_3). Optical …
View article: Effect of FABr Over-Stoichiometry on the Morphology and Optoelectronic Properties of Wide-Bandgap FAPbBr_3 Films
Effect of FABr Over-Stoichiometry on the Morphology and Optoelectronic Properties of Wide-Bandgap FAPbBr_3 Films Open
In this study, we investigate the impact of formamidinium bromide (FABr) over-stoichiometry in the precursor solution on the optoelectronic properties and morphology of the resulting films of formamidinium lead bromide (FAPbBr_3). Optical …
View article: Macroscopic Stable Light Spheroid
Macroscopic Stable Light Spheroid Open
We present an engineering concept for a macroscopic Stable Light Spheroid (SLS) - a long-lived, localized volume of confined light with record energy density. Overcoming the fundamental limitations of ultracold atom platforms, our architec…
View article: Unrevealing the Carrier Dynamics Behavior of Cu–In–Zn–S‐Based Quantum Dot Light‐Emitting Diodes by Transient Electroluminescence Spectroscopy
Unrevealing the Carrier Dynamics Behavior of Cu–In–Zn–S‐Based Quantum Dot Light‐Emitting Diodes by Transient Electroluminescence Spectroscopy Open
The device performance of Cu–In–Zn–S (CIZS)‐based quantum‐dot light‐emitting diodes (QLEDs) still lags far behind CdSe‐based QLEDs, which mainly arise from unique trap‐related recombination in the CIZS quantum dots (QDs). Herein, the carri…
View article: Macroscopic Stable Light Spheroid
Macroscopic Stable Light Spheroid Open
We present an engineering concept for a macroscopic Stable Light Spheroid (SLS) - a long-lived, localized volume of confined light with record energy density. Overcoming the fundamental limitations of ultracold atom platforms, our architec…
View article: Activating Deep‐Red Emission in Borate Phosphors via Low‐Coordination Engineering for Efficient Plant Lighting
Activating Deep‐Red Emission in Borate Phosphors via Low‐Coordination Engineering for Efficient Plant Lighting Open
The development of blue‐excitable deep‐red phosphors represents a key advancement in next‐generation agricultural lighting systems. Herein, a low‐coordination polyhedral engineering strategy is proposed using novel K 3 Y 1‐ x Lu x (BO 3 ) …
View article: High‐Entropy Lead‐Free Organic–Inorganic Hybrid Perovskites Exhibiting Broad Absorption and Bright Golden Emission for LEDs
High‐Entropy Lead‐Free Organic–Inorganic Hybrid Perovskites Exhibiting Broad Absorption and Bright Golden Emission for LEDs Open
Metal halide perovskite nanomaterials are attractive for optoelectronic applications due to their exceptional optoelectronic properties; however, lead toxicity and stability issues significantly limit their practical use. High‐entropy mate…
View article: A Versatile Optical Frontend for Multicolor Fluorescence Imaging with Miniaturized Lensless Sensors
A Versatile Optical Frontend for Multicolor Fluorescence Imaging with Miniaturized Lensless Sensors Open
Lensless imaging enables exceptionally compact fluorescence sensors, advancing applications in \textit{in vivo} imaging and low-cost, point-of-care diagnostics. These sensors require a filter to block the excitation light while passing flu…
View article: Stable Binuclear Platinum(II) Emitters with Substituted 2‐Hydroxypyridine Bridging Ligands for Red and Near‐Infrared OLEDs with EQE up to 32% and LT <sub>95</sub> up to 26 250 h at 1000 cd m <sup>−2</sup>
Stable Binuclear Platinum(II) Emitters with Substituted 2‐Hydroxypyridine Bridging Ligands for Red and Near‐Infrared OLEDs with EQE up to 32% and LT <sub>95</sub> up to 26 250 h at 1000 cd m <sup>−2</sup> Open
Platinum(II) metal–metal‐to‐ligand charge transfer ( 3 MMLCT) emitters have high radiative decay rates and tunable emission energies but their stability under device operation conditions is a critical issue. Here we describe a new class of…
View article: A Versatile Optical Frontend for Multicolor Fluorescence Imaging with Miniaturized Lensless Sensors
A Versatile Optical Frontend for Multicolor Fluorescence Imaging with Miniaturized Lensless Sensors Open
Lensless imaging enables exceptionally compact fluorescence sensors, advancing applications in \textit{in vivo} imaging and low-cost, point-of-care diagnostics. These sensors require a filter to block the excitation light while passing flu…
View article: Ferroelectric Nematic Liquid Crystals as Charge Boosters for Triboelectric Nanogenerators
Ferroelectric Nematic Liquid Crystals as Charge Boosters for Triboelectric Nanogenerators Open
Driven by growing demand for clean energy, triboelectric nanogenerators (TENGs) have emerged as promising self-powered systems, yet achieving high charge density remains a critical challenge. In polymer dielectrics, triboelectricity can be…