Topical Review: Development of overgrown semi-polar GaN for high efficiency green/yellow emission

T Wang - Semiconductor Science and Technology, 2016 - iopscience.iop.org
The most successful example of large lattice-mismatched epitaxial growth of semiconductors
is the growth of III-nitrides on sapphire, leading to the award of the Nobel Prize in 2014 and …

Role of defects in the thermal droop of InGaN-based light emitting diodes

C De Santi, M Meneghini, M La Grassa… - Journal of Applied …, 2016 - pubs.aip.org
This paper reports an investigation of the physical origin of the thermal droop (the drop of the
optical power at high temperatures) in InGaN-based light-emitting diodes. We critically …

Hybrid III-nitride/organic semiconductor nanostructure with high efficiency nonradiative energy transfer for white light emitters

R Smith, B Liu, J Bai, T Wang - Nano letters, 2013 - ACS Publications
A novel hybrid inorganic/organic semiconductor nanostructure has been developed, leading
to very efficient nonradiative resonant-energy-transfer (RET) between blue emitting …

Bandgap engineering of GaxZn1–xO nanowire arrays for wavelength‐tunable light‐emitting diodes

X Zhang, L Li, J Su, Y Wang, Y Shi… - Laser & Photonics …, 2014 - Wiley Online Library
Wavelength‐tunable light‐emitting diodes (LEDs) of GaxZn1–xO nanowire arrays are
demonstrated by a simple modified chemical vapor deposition heteroepitaxial growth on p …

Carrier localization effects in InGaN/GaN multiple-quantum-wells LED nanowires: luminescence quantum efficiency improvement and “negative” thermal activation …

W Bao, Z Su, C Zheng, J Ning, S Xu - Scientific reports, 2016 - nature.com
Abstract Two-dimensional InGaN/GaN multiple-quantum-wells (MQW) LED structure was
nanotextured into quasi-one-dimensional nanowires (NWs) with different average diameters …

How much better are InGaN/GaN nanodisks than quantum wells—Oscillator strength enhancement and changes in optical properties

L Zhang, LK Lee, CH Teng, TA Hill, PC Ku… - Applied Physics …, 2014 - pubs.aip.org
We show over 100-fold enhancement of the exciton oscillator strength as the diameter of an
InGaN nanodisk in a GaN nanopillar is reduced from a few micrometers to less than 40 nm …

Great enhancement in the excitonic recombination and light extraction of highly ordered InGaN/GaN elliptic nanorod arrays on a wafer scale

Z Zhuang, X Guo, B Liu, F Hu, J Dai, Y Zhang… - …, 2015 - iopscience.iop.org
A series of highly ordered c-plane InGaN/GaN elliptic nanorod (NR) arrays were fabricated
by our developed soft UV-curing nanoimprint lithography on a wafer. The …

The effects of nanocavity and photonic crystal in InGaN/GaN nanorod LED arrays

Q Jiao, Z Chen, Y Feng, S Li, S Jiang, J Li… - Nanoscale Research …, 2016 - Springer
InGaN/GaN nanorod light-emitting diode (LED) arrays were fabricated using nanoimprint
and reactive ion etching. The diameters of the nanorods range from 120 to 300 nm. The …

Enhancing the light extraction efficiency of AlInN nanowire ultraviolet light-emitting diodes with photonic crystal structures

B Jain, RT Velpula, M Tumuna, HQT Bui, J Jude… - Optics …, 2020 - opg.optica.org
In this paper, AlInN nanowire ultraviolet light-emitting diodes (LEDs) with emission at∼ 299
nm have been successfully demonstrated. We have further studied the light extraction …

Carrier dynamics in site-and structure-controlled InGaN/GaN quantum dots

L Zhang, TA Hill, CH Teng, B Demory, PC Ku, H Deng - Physical Review B, 2014 - APS
We report on the carrier dynamics in InGaN/GaN dot-in-nanowire quantum dots, revealed by
a systematic map** between the optical properties and structural parameters of the …