Defects and reliability of GaN‐based LEDs: review and perspectives

M Buffolo, A Caria, F Piva, N Roccato… - … status solidi (a), 2022 - Wiley Online Library
Herein, the main factors and mechanisms that limit the reliability of gallium nitride (GaN)‐
based light‐emitting diodes (LEDs) are reviewed. An overview of the defects …

[HTML][HTML] Electrical tracking, erosion and flammability resistance of high voltage outdoor composite insulation: Research, innovation and future outlook

MT Nazir, A Khalid, S Akram, P Mishra, II Kabir… - Materials Science and …, 2023 - Elsevier
Ensuring the fire safety of high voltage (HV) outdoor insulators is key to maintain the reliable
operation of the electrical grid. This requires the careful selection of suitable polymeric …

On multivariate copula modeling of dependent degradation processes

G Fang, R Pan - Computers & Industrial Engineering, 2021 - Elsevier
Multivariate degradation processes have been observed in many engineering systems. Most
existing multivariate degradation modeling techniques, such as multivariate general path …

Enhancement of blue emission in Ce3+, Eu2+ activated BaSiF6 downconversion phosphor by energy transfer mechanism: a photochromic phosphor

AR Kadam, GC Mishra, AD Deshmukh… - Journal of …, 2021 - Elsevier
Rare earth activated fluoride phosphors have attention in recent years in the field of solid
state lighting. In the present study, RE (RE= Ce 3+, Eu 2+) doped/co-doped BaSiF 6 …

The effect of poly (ethylene glycol) emulation on the degradation of PLA/starch composites

S Momeni, E Rezvani Ghomi, M Shakiba… - Polymers, 2021 - mdpi.com
As a hydrophilic renewable polymer, starch has been widely used in biocompatible plastics
as a filler for more than two decades. The present study aimed at investigating the effects of …

Economic analysis of replacing HPS lamp with LED lamp and cost estimation to set up PV/battery system for street lighting in Oman

R George Allwyn, R Al Abri, A Malik, A Al-Hinai - Energies, 2021 - mdpi.com
In this paper, two aspects related to streetlight systems are considered. In the first part, the
economic analysis of replacing existing HPS lamps with light-emitting diode (LED) and …

Facile thiol-epoxy click chemistry for transparent and aging-resistant silicone/epoxy composite as LED encapsulant

G Lin, J Yin, Z Lin, Y Zhu, W Li, H Li, Z Liu… - Progress in Organic …, 2021 - Elsevier
The thiol-epoxy click chemistry is promising for microelectronic packaging due to its
outstanding properties, while there is little knowledge on silicone/epoxy composite …

Theoretical analysis of electron vibrational interaction (EVI) parameters in 5d states of Eu2+ activated BaSiF6 downconversion phosphor

AR Kadam, GC Mishra, M Michalska-Domanska… - Journal of Molecular …, 2021 - Elsevier
The excitation and emission spectra of Eu 2+ ions are dependent on the host environment in
which it is doped. This is because the spectra arise from the inter-band transitions between …

Lifetime prediction of current-and temperature-induced degradation in silicone-encapsulated 365 nm high-power light-emitting diodes

A Herzog, S Benkner, B Zandi, M Buffolo… - IEEE …, 2023 - ieeexplore.ieee.org
We report on the degradation mechanisms and dynamics of silicone encapsulated
ultraviolet A (UV-A) high-power light-emitting diodes (LEDs), with a peak wavelength of. The …

Facile Synthesis of Ag Nanowire/TiO2 and Ag Nanowire/TiO2/GO Nanocomposites for Photocatalytic Degradation of Rhodamine B

P Hajipour, A Bahrami, MY Mehr, WD van Driel… - Materials, 2021 - mdpi.com
This paper investigates the photocatalytic characteristics of Ag nanowire (AgNW)/TiO2 and
AgNW/TiO2/graphene oxide (GO) nanocomposites. Samples were synthesized by the direct …