-
Article
Open AccessMethylammonium halide salt interfacial modification of perovskite quantum dots/triple-cation perovskites enable efficient solar cells
Perovskite solar cells (PeSCs) have been introduced as a new photovoltaic device due to their excellent power conversion efficiency (PCE) and low cost. However, due to the limitations of the perovskite film it...
-
Article
Open AccessProperties and alcohol sensing applications of quasi-2D (PEA)2(MA)3Sb2Br9 thin films
We fabricated an alcohol detector based on (PEA)2(CH3NH3)3Sb2Br9 ((PEA)2MA3Sb2Br9) lead-free perovskite-like films. The XRD pattern revealed that the (PEA)2MA3Sb2Br9 lead-free perovskite-like films exhibited a qu...
-
Article
Open AccessImproved extraction efficiency of CsPbBr3 perovskite light-emitting diodes due to anodic aluminum oxide nanopore structure
In this work, we investigate the improvement in the performance of a CsPbBr3 perovskite light-emitting diode (PeLED) due to an anodic aluminum oxide (AAO) nanopore structure. The AAO structure in the CsPbBr3 PeLE...
-
Article
Open AccessHigh-Performance Quasi-Two-Dimensional CsPbBr2.1Cl0.9:PEABr Perovskite Sky-Blue LEDs with an Interface Modification Layer
This paper elucidates the increased luminescence efficiency of CsPbBr2.1Cl0.9 sky-blue perovskite light-emitting diodes (PeLEDs) achieved through the interface modification of 3,4 ethylenedioxythiophene (PEDOT):p...
-
Article
Open AccessEffect of a Rubidium Chloride Carrier Confinement Layer on the Characteristics of CsPbBr3 Perovskite Light-Emitting Diodes
This work describes the effect of a rubidium chloride (RbCl) interlayer in CsPbBr3 perovskite light-emitting diode (LED) structures. RbCl crystallites exhibited polyhedral structures and lattice parameters simila...
-
Article
Open AccessRed Light-Emitting Diodes with All-Inorganic CsPbI3/TOPO Composite Nanowires Color Conversion Films
This work presents a method for obtaining a color-converted red light source through a combination of a blue GaN light-emitting diode and a red fluorescent color conversion film of a perovskite CsPbI3/TOPO compos...
-
Article
Open AccessOutcomes in patients with lacrimal gland carcinoma treated with definitive radiotherapy or eye-sparing surgery followed by adjuvant radiotherapy
The optimal treatment for lacrimal gland cancer remains unclear. Eye-preserving surgery, as opposed to exenteration, followed by adjuvant radiotherapy (RT), has recently been reported to deliver satisfactory o...
-
Article
Open AccessNanoparticle-Doped Polydimethylsiloxane Fluid Enhances the Optical Performance of AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes
This paper proposes a new encapsulation structure for aluminum nitride-based deep UV light-emitting diodes (DUV-LEDs) and eutectic flip chips containing polydimethylsiloxane (PDMS) fluid doped with SiO2 nanoparti...
-
Article
Open AccessHigh-Uniformity Planar Mini-Chip-Scale Packaged LEDs with Quantum Dot Converter for White Light Source
This study proposes a novel direct-lit mini-chip-scale packaged light-emitting diode (mini-CSPLED) backlight unit (BLU) that used quantum dot (QD) film, diffusion plate, and two prism films to improve brightne...
-
Article
Crystal structure and microwave dielectric properties of [(Mg0.6Zn0.4)0.95Co0.05]2TiO4-modified Ca0.6La0.8/3TiO3 cordierite ceramics with a near-zero temperature coefficient
The microstructure and dielectric properties of x[(Mg0.6Zn0.4)0.95Co0.05]2TiO4–(1 − x)Ca0.6La0.8/3TiO3 (x = 0.9–0.96) ceramics prepared via conventional solid-state method were investigated using scanning electro...
-
Article
Open AccessEffect of Different CH3NH3PbI3 Morphologies on Photovoltaic Properties of Perovskite Solar Cells
In this study, the perovskite layers were prepared by two-step wet process with different CH3NH3I (MAI) concentrations. The cell structure was glass/FTO/TiO2-mesoporous/CH3NH3PbI3 (MAPbI3)/spiro-OMeTAD/Ag. The MA...
-
Article
Open AccessEffect of Oblique-Angle Sputtered ITO Electrode in MAPbI3 Perovskite Solar Cell Structures
This investigation reports on the characteristics of MAPbI3 perovskite films on obliquely sputtered ITO/glass substrates that are fabricated with various sputtering times and sputtering angles. The grain size of ...
-
Article
Mn2−x Y x (MoO4)3 Phosphor Excited by UV GaN-Based Light-Emitting Diode for White Emission
One option for low-cost white light-emitting diodes (LEDs) is the combination of a near-ultraviolet (UV) LED chip (382 nm) and a single phosphor. Such Mn2−x Y x ...
-
Article
Thickness Effect of Nb-Doped TiO2 Transparent Conductive Oxide Grown on Glass Substrates Fabricated by RF Sputtering
Transparent conducting Nb-doped titanium oxide (NTO) films were deposited on a non-alkali glass substrate using an RF magnetron sputtering method with post-annealing. Structural, electrical and optical propert...
-
Article
Open AccessNanorods on surface of GaN-based thin-film LEDs deposited by post-annealing after photo-assisted chemical etching
This study investigates the optoelectronic characteristics of gallium nitride (GaN)-based thin-film light-emitting diodes (TF-LEDs) that are formed by a two-step transfer process that involves wet etching and ...
-
Article
Characterization of CuZnO Diodes Prepared by Ultrasonic Spray Method
Zinc oxide (ZnO) nanostructures have attracted considerable research interest owing to their useful properties. Recently, do** with Cu atoms has been increasingly attracting attention because of its potentia...
-
Article
Open AccessOptoelectronic Properties of MAPbI3 Perovskite/Titanium Dioxide Heterostructures on Porous Silicon Substrates for Cyan Sensor Applications
This work elucidates the optoelectronic properties of graphene/methylammonium lead iodide (MAPbI3)/titanium dioxide (TiO2)/porous Si heterostructure diodes. The porous silicon substrates can accommodate more MAPb...
-
Article
Open AccessFabrication and Properties of High-Efficiency Perovskite/PCBM Organic Solar Cells
This work presents a CH3NH3PbI3/PCBM organic solar cell. Organic PCBM film and CH3NH3PbI3 perovskite film are deposited on the PEDOT:PSS/ITO glass substrate by the spin coating method. The performance of the orga...
-
Article
Open AccessImproving the performance of dye-sensitized solar cells with TiO2/graphene/TiO2 sandwich structure
This study investigates the extent to which the TiO2/graphene/TiO2 sandwich structure improves the performance of dye-sensitized solar cells (DSSCs) over that of DSSCs with the traditional structure. Studies have...
-
Article
Open AccessProperties of GaN-based light-emitting diodes on patterned sapphire substrate coated with silver nanoparticles prepared by mask-free chemical etching
This study reports on the use of a template that is made of silver nanoparticles (ANPs) that are dispersed on a patterned sapphire substrate (PSS) to improve the light output power of GaN-based light-emitting ...
