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View article: V-pit-induced electric field redistribution enabling efficient hole injection in InGaN-based red light-emitting diodes grown on silicon
V-pit-induced electric field redistribution enabling efficient hole injection in InGaN-based red light-emitting diodes grown on silicon Open
InGaN-based micro-light-emitting diodes (micro-LEDs) have been widely recognized as one of the critical technologies for high-resolution display applications. However, achieving high-efficiency, environmental-friendly, and small-size self-…
View article: Instant Disinfecting Face Masks Utilizing Electroporation Powered by Respiration‐Driven Triboelectric Nanogenerators
Instant Disinfecting Face Masks Utilizing Electroporation Powered by Respiration‐Driven Triboelectric Nanogenerators Open
Wearing face masks is an effective non‐pharmaceutical strategy to inhibit the transmission of airborne diseases. Nonetheless, most commercial face masks lack disinfecting capabilities, posing risks of secondary transmission, while those wi…
Augmenting Light‐to‐Heat Conversion Through 3D Scalable Palm Fiber for Energy Efficient Photothermal Solar Steam Generation Open
Tackling water scarcity is a pressing challenge, propelling recent advancements in solar steam generation (SSG). Recently, 3D photoabsorbers have outperformed their 2D counterparts in recovering light and minimizing heat losses, enabling a…
SYNTHESIS AND CHARACTERIZATION ANALYSIS OF FE3O4/SiO2 CORE SHELL Open
Fe3O4/SiO2 core shell synthesis has been carried out, and its characteristics has been analyzed to be used as a photocatalyst using co-precipitation and sol-gel method. Fe3O4 is used as the core material to eliminate the difficulty of sepa…
The role of Ni-Doped ZnO thin films on Methylene Blue (MB) photodegradation under visible irradiation Open
We report the effect of Ni-doped ZnO thin films on the photodegradation of methylene blue (MB) under visible irradiation. The Ni-doped ZnO thin films were deposited on a silicon substrate by ultrasonic spray pyrolysis (USP) at 450 °C for 1…
Establishment of an efficient micropropagation protocol for Cameron Highlands White Strawberry (Fragaria x ananassa) using a light emitting diode (LED) system Open
White strawberry is botanically a member of the Fragaria genus, which is a part of the Rosaceae family, which is primarily found in Japan, where it is a well-known premium fruit. Experiments were conducted to develop a micropropagation met…
The Effect of Al-Cu Co-Dopants on Morphology, Structure, and Optical Properties of ZnO Nanostructures Open
We have synthesized ZnO nanostructure by using two-step methods i.e ultrasonic nebulizer and chemical bath deposition (CBD) at 95oC for two hours. The morphology, structural, reflectance, and photoluminescence properties have been characte…
Engineered ultraviolet InGaN/AlGaN multiple-quantum-well structures for maximizing cathodoluminescence efficiency Open
We demonstrate a systematic way to understand and select the accelerating voltage for maximizing cathodoluminescence (CL) by correlating the carrier diffusion length with the efficiency of ultraviolet (UV) InGaN/AlGaN multiple quantum well…
View article: Editorial: Advanced Nanomaterials for Light-Emitting Diodes and Solar Cells
Editorial: Advanced Nanomaterials for Light-Emitting Diodes and Solar Cells Open
EDITORIAL article Front. Chem., 29 July 2021Sec. Nanoscience https://doi.org/10.3389/fchem.2021.741760
Strain-Reduced Micro-LEDs Grown Directly Using Partitioned Growth Open
Strain-reduced micro-LEDs in 50 μm × 50 μm, 100 μm × 100 μm, 200 μm × 200 μm, 500 μm × 500 μm, and 1,000 μm × 1,000 μm sizes were grown on a patterned c-plane sapphire substrate using partitioned growth with the metal-organic chemical-vapo…
View article: Light Generation in Lead Halide Perovskite Nanocrystals: LEDs, Color Converters, Lasers, and Other Applications
Light Generation in Lead Halide Perovskite Nanocrystals: LEDs, Color Converters, Lasers, and Other Applications Open
Facile solution processing lead halide perovskite nanocrystals (LHP‐NCs) exhibit superior properties in light generation, including a wide color gamut, a high flexibility for tuning emissive wavelengths, a great defect tolerance and result…
View article: Highly Efficient Visible Colloidal Lead-Halide Perovskite Nanocrystal Light-Emitting Diodes
Highly Efficient Visible Colloidal Lead-Halide Perovskite Nanocrystal Light-Emitting Diodes Open
Lead-halide perovskites have been attracting attention for potential use in solid-state lighting. Following the footsteps of solar cells, the field of perovskite light-emitting diodes (PeLEDs) has been growing rapidly. Their application pr…
High-efficiency and low-loss gallium nitride dielectric metasurfaces for nanophotonics at visible wavelengths Open
The dielectric nanophotonics research community is currently exploring transparent material platforms (e.g., TiO2, Si3N4, and GaP) to realize compact high efficiency optical devices at visible wavelengths. Efficient visible-light operation…
Investigation of p-type depletion doping for InGaN/GaN-based light-emitting diodes Open
Due to the limitation of the hole injection, p-type doping is essential to improve the performance of InGaN/GaN multiple quantum well light-emitting diodes (LEDs). In this work, we propose and show a depletion-region Mg-doping method. Here…
High brightness formamidinium lead bromide perovskite nanocrystal light emitting devices Open
Formamidinium lead halide (FAPbX 3 ) has attracted greater attention and is more prominent recently in photovoltaic devices due to its broad absorption and higher thermal stability in comparison to more popular methylammonium lead halide M…
Critical role of CdSe nanoplatelets in color-converting CdSe/ZnS nanocrystals for InGaN/GaN light-emitting diodes Open
Here we report CdSe nanoplatelets that are incorporated into color-converting CdSe/ZnS nanocrystals for InGaN/GaN light-emitting diodes. The critical role of CdSe nanoplatelets as an exciton donor for the color conversion was experimentall…
Decoupling contact and mirror: an effective way to improve the reflector for flip-chip InGaN/GaN-based light-emitting diodes Open
In the conventional fabrication process of the widely-adopted Ni/Ag/Ti/Au reflector for InGaN/GaN-based flip-chip light-emitting diodes (LEDs), the contact and the mirror are entangled together with contrary processing conditions which set…
Modulating Ohmic Contact Through InGa<sub>x</sub>N<sub>y</sub>O<sub>z</sub>Interfacial Layer for High-Performance InGaN/GaN-Based Light-Emitting Diodes Open
We report the improved performance of InGaN/GaN-based light-emitting diodes (LEDs) through the design and the formation of the InGaxNyOz interfacial layer, which maintains high reflectivity of silver and forms good ohmic contact between pr…
Solution-processed highly bright and durable cesium lead halide perovskite light-emitting diodes Open
Recently, CsPbBr3 perovskites have been emerging as very promising green emission materials for light-emitting diodes (LEDs) due to their high color purity, low cost and high photoluminescence quantum yield (PLQY). However, the correspondi…