Efficiency enhancement of ZnO nanostructure assisted Si solar cell based on fill factor enlargement and UV-blue spectral down-shifting

A Gholizadeh, A Reyhani, P Parvin… - Journal of Physics D …, 2017 - iopscience.iop.org
ZnO nanostructures (including nano-plates and nano-rods (NRs)) are grown in various
temperatures and Ar/O 2 flow rates using thermal chemical vapor deposition, which affect …

Polariton condensation phase diagram in wide-band-gap planar microcavities: GaN versus ZnO

O Jamadi, F Réveret, E Mallet, P Disseix, F Médard… - Physical Review B, 2016 - APS
The polariton condensation phase diagram is compared in GaN and ZnO microcavities
grown on mesa-patterned silicon substrate. Owing to a common platform, these …

Lasing in a ZnO waveguide: Clear evidence of polaritonic gain obtained by monitoring the continuous exciton screening

G Kreyder, L Hermet, P Disseix, F Médard, M Mihailovic… - Physical Review B, 2023 - APS
The coherent emission of exciton polaritons was proposed as a means of lowering the
lasing threshold because it does not require the dissociation of excitons to obtain an …

Determination of Dispersion Relation and Optical Parameters Induced by Exciton–Polariton Effect in Whispering-Gallery Microcavities Using Photoluminescence …

SC Wu, GY Zhuang, YC Chang, HC Hsu - ACS Photonics, 2021 - ACS Publications
To realize the refractive index dispersion accurately is essential for the design of optical
devices. In this paper, we study hexagonal ZnO microrod cavities. We measure angle …

Coherent dynamics of localized excitons and trions in ZnO/(Zn, Mg) O quantum wells studied by photon echoes

IA Solovev, SV Poltavtsev, YV Kapitonov, IA Akimov… - Physical Review B, 2018 - APS
We study optically the coherent evolution of trions and excitons in a δ-doped 3.5-nm-thick
ZnO/Zn 0.91 Mg 0.09 O multiple quantum well by means of time-resolved four-wave mixing …

[HTML][HTML] Probing the strength of light–matter interaction in semiconductor microcavities by using resonant-mode shifts in temperature-dependent photoluminescence …

SC Wu, CX Yang, JS Huang, YC Chang, CH Chien… - APL Materials, 2023 - pubs.aip.org
The Rabi-splitting energy represents the strength of light–matter interaction. This quantity is
a good benchmark for evaluating the performance of light-modulation devices. Herein, we …

Time-resolved photon echoes from donor-bound excitons in ZnO epitaxial layers

SV Poltavtsev, AN Kosarev, IA Akimov, DR Yakovlev… - Physical Review B, 2017 - APS
The coherent optical response from 140 nm and 65 nm thick ZnO epitaxial layers is studied
using four-wave-mixing spectroscopy with picosecond temporal resolution. Resonant …

Influence of excitonic oscillator strengths on the optical properties of GaN and ZnO

E Mallet, F Réveret, P Disseix, TV Shubina, J Leymarie - Physical Review B, 2014 - APS
We report on an extensive study of the excitonic properties of GaN and ZnO bulk samples
with an accurate determination of excitonic parameters by linear and nonlinear …

The high temperature photoluminescence and optical absorption of undoped ZnO single crystals and thin films

S Margueron, DR Clarke - Journal of Applied Physics, 2014 - pubs.aip.org
The photoluminescence of undoped ZnO single crystals up to 1350 C and the optical
absorption of stress-relaxed, epitaxial ZnO thin films up to 1100 C are reported. The …

Thermodynamic behaviors of excitonic emission in ZnO nanorods grown by pulsed laser deposition

Y Lee, DJ Lee, HD Cho, IT Yoon, Y Shon, S Lee - Journal of Luminescence, 2017 - Elsevier
We investigated the thermodynamic behaviors of the exciton emission in ZnO nanorods that
had been grown by laser ablation. The ZnO nanorods exhibited a clear luminescence peak …