Effects of meshed p-type contact structure on the light extraction effect for deep ultraviolet flip-chip light-emitting diodes

Y Zheng, Y Zhang, J Zhang, C Sun, C Chu… - Nanoscale Research …, 2019 - Springer
In this work, flip-chip AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) with
various meshed contact structures are systematically investigated via three-dimensional …

Exploring the adsorption of CO toxic gas on pristine and M-doped (M= Ti, Cr, Fe, Ni and Zn) GaN nanosheets

H Roohi, NA Ardehjani - New Journal of Chemistry, 2019 - pubs.rsc.org
The capability of pristine and M-doped (M= Ti, Cr, Fe, Ni and Zn) gallium nitride nanosheets
(M-GaNNS) was explored at the Grimme-corrected PBE/double numerical plus polarization …

Design, characterization and optical properties of assembled nanoscale thin films of copper (II) complex with 5-azo-Phenol-8-Hydroxyquinoline

TA Hamdalla, SM Seleim, AK Mohamed, ME Mahmoud - Optical Materials, 2019 - Elsevier
The nano-sized organic and inorganic materials are opening pathways for chemical flexible
composites that exhibits high advantage in their optical, electrical and mechanical …

Enhancing the light extraction efficiency of AlGaN LED with nanowire photonic crystal and graphene transparent electrode

P Du, L Rao, Y Liu, Z Cheng - Superlattices and Microstructures, 2019 - Elsevier
The performance of AlGaN deep ultraviolet (UV) light emitting diodes (LEDs) has been
limited by the extremely low light extraction efficiency (LEE), which is due to the severe light …

Anisotropic dependence of light extraction behavior on propagation path in AlGaN-based deep-ultraviolet light-emitting diodes

H Wang, L Fu, HM Lu, XN Kang, JJ Wu, FJ Xu… - Optics Express, 2019 - opg.optica.org
The anisotropic extraction dependence of polarized light on propagation path in AlGaN-
based deep-ultraviolet (DUV) light-emitting diodes (LEDs) is investigated by simulations and …

Infrared luminescence from N-polar InN quantum dots and thin films grown by metal organic chemical vapor deposition

CE Reilly, C Lund, S Nakamura, UK Mishra… - Applied Physics …, 2019 - pubs.aip.org
ABSTRACT N-polar InN quantum dots and thin layers grown by metal organic chemical
vapor deposition were shown to exhibit tunable emission from around 1.00 lm to longer than …

Defect-induced exciton localization in bulk gallium nitride from many-body perturbation theory

DK Lewis, S Sharifzadeh - Physical Review Materials, 2019 - APS
We present a many-body perturbation theory study of the excitonic properties of wurtzite
GaN containing a single charged nitrogen vacancy. We determine that the lowest-energy …

V-pit pinning at the interface of high and low-temperature gallium nitride growth

R Bouveyron, M Mrad, M Charles - Japanese Journal of Applied …, 2019 - iopscience.iop.org
We have performed a detailed study on the development of V-pits in low temperature GaN,
varying the temperature for different precursors and carrier gases, showing that the growth …

Metamaterial infrared refractometer for determining broadband complex refractive index

H Kagami, T Amemiya, M Tanaka, Y Wang… - Optics …, 2019 - opg.optica.org
Infrared refractive index is an indispensable parameter for various fields including infrared
photonics. To date, critical-angle refractometers, V-block refractometers, and spectroscopic …

[PDF][PDF] МОДУЛЯЦИОННАЯ СПЕКТРОСКОПИЯ СВЕТОДИОДНЫХ

АЭ Асланян - issp.ac.ru
E эВ [1]), которую можно варьировать в твёрдых тройных растворах InxGa1-xN,
изменяя концентрацию индия x (ширина запрещённой зоны InN 0, 8 InN g E= эВ [1]) …