GaN/InGaN
Fabrication of vertical GaN/InGaN heterostructure nanowires using Ni Au bi metal catalysts
... the InGaN layer in the LOHN is different from that in the COHN because it shifts to the indium- rich sides, owing to the indium-rich supersaturated com- position of the liquid metal ...the InGaN layers ...
6
Facet recovery and light emission from GaN/InGaN/GaN core-shell structures grown by metal organic vapour phase epitaxy on etched GaN nanorod arrays
... characterise the optical properties of the GaN/InGaN/GaN core-shell structures, shown in Figure 12(b). This technique measures the full emission spectrum from successive local- ised regions ...
11
Short wavelength light beam in situ monitoring growth of InGaN/GaN green LEDs by MOCVD
... To further confirm the quality of the samples growth monitored by 405-nm short-wavelength light beam in situ system, the room temperature PL and HR-XRD have also been studied. Figure 4 exhibits the PL spectra of the two ...
6
InGaN/GaN multilayer quantum dots yellow green light emitting diode with optimized GaN barriers
... 1.5-nm GaN capping layer was grown in period III, whose growth parameters are the same with the growth carrier gas and temperature of InGaN ...The InGaN QD growth temperature is lower than that of ...
8
Quantum well engineering in InGaN/GaN core-shell nanorod structures
... ing InGaN by metal organic vapour phase epitaxy (MOVPE), the InN content can be controlled by means of the temperature in the ...of InGaN/GaN core-shell nanorods grown at varying temperatures and ...
7
Luminescence studies on green emitting InGaN/GaN MQWs implanted with nitrogen
... As-grown sample. Figure 1 (a) shows the RT PL and PLE spectra at RT and the visual appearance (in inset) of the as-grown InGaN/GaN MQW sample under He-Cd excitation at 14 K. The green band (GB) emission ...
6
The effect of free standing GaN substrate on carrier localization in ultraviolet InGaN light emitting diodes
... for InGaN-based UV-LED de- vices to develop fully their ...the InGaN-based UV-LEDs were grown on sapphire substrate by hetero-epitaxial techniques, such as metal-organic chemical vapor deposition ...of ...
7
Analysis of defect-related inhomogeneous electroluminescence in InGaN/GaN QW LEDs
... ) GaN template on sapphire with a 2 µm layer of undoped GaN followed by a 3 µm layer of silicon-doped GaN, a 5 period InGaN/GaN multiple quantum well (MQW) region (well width = ...doped ...
9
Recombination Pathways in Green InGaN/GaN Multiple Quantum Wells
... In summary, temperature-dependent SSPL and TRPL spectra were studied for the green emission from InGaN/GaN MQW LED structure. S-shaped behavior of the SSPL peak position with increasing temperature was ...
6
Blue light emission from the heterostructured ZnO/InGaN/GaN
... Figure 4 illustrates the possibility of white light from the ZnO/InGaN/GaN heterostructured LEDs by the Commission International de l'Eclairage (CIE) x and y chromaticity diagram. Point D is the equality ...
5
Optical properties and resonant cavity modes in axial InGaN/GaN nanotube microcavities
... and GaN-substrate layers are given a refractive index defined by ellipsometry measurements performed on the as- grown structure at the University of ...The InGaN quantum well layer is 3nm thick (n = ...
12
Optical properties and resonant cavity modes in axial InGaN/GaN nanotube microcavities
... individual InGaN/GaN nanotube [white dashed line in ...The GaN near-band-edge (NBE) emission around ...the InGaN SQW emission extracted for various nanotubes are presented in ...The ...
12
Fabrication of InGaN/GaN MQWs Vertical Blue Light-Emitting Diodes Using Laser Lift-Off Technique
... of InGaN QW and GaN barrier were ~ 3 nm and 10 nm ...in InGaN QW and thickness were optimized to obtain the dominant wavelength ~ 460 ...vertical GaN blue LED, first a metal layer composed of ...
5
Optical and Structural Characterization of InGaN/GaN Multiple Quantum Wells by Epitaxial Lateral Overgrowth
... of InGaN/GaN MQWs. For this purpose, a GaN template grown by the ELO is desirable because it has a designed distribution in the dislocation ...
6
Observation of V Defects in Multiple InGaN/GaN Quantum Well Layers
... horizontal InGaN QWs, successively decreasing the number of the sidewall stripes with increasing height of the V, and the apical angle of the V-shape (see ...
5
Substrate Free InGaN/GaN Nanowire Light Emitting Diodes
... encapsulated into PDMS layer. After metal deposition to p-GaN, a thick PDMS cap layer was spin-coated and the membrane was manually peeled from the sapphire substrate, flipped upside down onto a steel holder, and ...
6
Surface Morphology Evolution Mechanisms of InGaN/GaN Multiple Quantum Wells with Mixture N2/H2 Grown GaN Barrier
... In order to settle the problems mentioned above, vari- ous growth techniques have been employed in striving for smooth morphology and sharp interfaces within the InGaN/GaN stack. Quantum barriers (QBs) ...
8
Carrier dynamics in InGaN/GaN on the basis of different In concentrations
... using InGaN/GaN two junction cells ...of InGaN/Si tandem solar cells to be increased to 35% when double InGaN junctions are ...of InGaN- based solar cells still require considerable ...
10
Preparation of a Periodic Polystyrene Nanosphere Array Using the Dip Drop Method with Post deposition Etching and Its Application of Improving Light Extraction Efficiency of InGaN/GaN LEDs
... of InGaN/GaN LEDs with PS NS array window layers can be ...the InGaN/GaN ...conventional InGaN/GaN LED and those InGaN/GaN LEDs with compact, disorder, and ...
9
Influence of stress on optical transitions in GaN nanorods containing a single InGaN/GaN quantum disk
... homo-epitaxial GaN templates, the degree of strain relaxation in the overall structure will depend on the diameter and height of the nanorods, with complete strain relaxation occurring when their height exceeds ...
8