B Lin, Y Zhang, Z Zhao, H Zhao, J Yu - Optical Materials, 2023 - Elsevier
Abstract Eu 2+/Eu 3+ co-doped Ca 5 (PO 4) 3 F (FAP) phosphors with tunable color of red/blue (R/B) emission were successfully synthesized by the two-step method for potential …
F Wang, H Chen, S Zhang - Chemical Papers, 2021 - Springer
A series of novel orange-red Sr 1.9 RE 8 (SiO 4) 6 O 2: 0.1 Eu (2+, 3+)(RE= Y, Gd, La) phosphors were synthesized by high-temperature solid-phase reaction method, all of which …
Artificial neural networks (ANNs) are a type of machine learning model that are designed to mimic the structure and function of biological neurons. They are particularly well-suited for …
L Xu, K Fan, H Sun, Z Guo - Micromachines, 2021 - mdpi.com
For high-power applications, it is important to improve the light extraction efficiency and light output of the vertical direction of LEDs. Flip-chip LEDs (FCLEDs) with an Ag/SiO2/distributed …
İ Altuntas, S Elagöz - International Journal of Innovative Engineering …, 2021 - dergipark.org.tr
Effect of different nucleation layer temperatures (LT-GaN growth temperature) on the properties of the subsequent GaN epilayer grown by MOVPE is investigated. In-situ …
İ Altuntas - Cumhuriyet Science Journal, 2021 - dergipark.org.tr
The aim of the study is to understand the effects of NH3 flow rate in the initial part of high temperature (HT) GaN growth on structural and optical characteristics of the HT-GaN layer …
In this work, the effect of introducing a photonic crystal network of silicon nitride (SiN) micro- domes on the backside of silver coated gallium nitride (GaN) based light emitting diodes …
Z Liu - Journal of Physics: Conference Series, 2022 - iopscience.iop.org
The brightness enhancement of the light emitting diode (LED) can satisfy the increasing demands of illumination of human beings. However, the low-rate recombination of electron …
L Xu, J Zhan, H Sun, Z Chen, Z Guo - 2021 - scholar.archive.org
Results The LED samples were grown on the c-plane of the patterned sapphire substrate using the metal–organic chemical vapor deposition (MOCVD) method. The epitaxial …