Dependence of the Minority-Carrier Lifetime on the Stoichiometry of CdTe Using<? format?> Time-Resolved Photoluminescence and First-Principles Calculations

J Ma, D Kuciauskas, D Albin, R Bhattacharya… - Physical review …, 2013 - APS
CdTe is one of the most promising materials for thin-film solar cells. However, further
improvement of its performance is hindered by its relatively short minority-carrier lifetime …

Steady-state and time-resolved photoluminescence from relaxed and strained GaN nanowires grown by catalyst-free molecular-beam epitaxy

JB Schlager, KA Bertness, PT Blanchard… - Journal of applied …, 2008 - pubs.aip.org
We report steady-state and time-resolved photoluminescence (TRPL) measurements on
individual GaN nanowires (⁠ 6–20 μ m in length, 30–940 nm in diameter) grown by a …

Carrier dynamics in bulk GaN

P Šcˇajev, K Jarašiūnas, S Okur, Ü Özgür… - Journal of Applied …, 2012 - pubs.aip.org
Carrier dynamics in hydride vapor phase epitaxy grown bulk GaN with very low density of
dislocations, 5–8× 10 5 cm− 2, have been investigated by time-resolved photoluminescence …

Probing carrier lifetimes in photovoltaic materials using subsurface two-photon microscopy

ES Barnard, ET Hoke, ST Connor, JR Groves… - Scientific reports, 2013 - nature.com
Accurately measuring the bulk minority carrier lifetime is one of the greatest challenges in
evaluating photoactive materials used in photovoltaic cells. One-photon time-resolved …

A carrier density dependent diffusion coefficient, recombination rate and diffusion length in MAPbI 3 and MAPbBr 3 crystals measured under one-and two-photon …

P Ščajev, S Miasojedovas, S Juršėnas - Journal of Materials Chemistry …, 2020 - pubs.rsc.org
Applications of lead halide perovskites in solar cells and photo-and ionising radiation
detectors are based on effective charge carrier generation and transport. The perovskites …

Contribution of the carbon-originated hole trap to slow decays of photoluminescence and photoconductivity in homoepitaxial n-type GaN layers

M Kato, T Asada, T Maeda, K Ito, K Tomita… - Journal of Applied …, 2021 - pubs.aip.org
N-type GaN epitaxial layers grown via metal organic vapor-phase epitaxy typically exhibit a
yellow luminescence (YL) band owing to carbon-related deep levels in the …

[HTML][HTML] Charge-carrier transport and recombination in heteroepitaxial CdTe

D Kuciauskas, S Farrell, P Dippo, J Moseley… - Journal of Applied …, 2014 - pubs.aip.org
We analyze charge-carrier dynamics using time-resolved spectroscopy and varying epitaxial
CdTe thickness in undoped heteroepitaxial CdTe/ZnTe/Si. By employing one-photon and …

Diffusion analysis of charge carriers in InGaN/GaN heterostructures by microphotoluminescence

C Becht, UT Schwarz, M Binder… - physica status solidi (b …, 2023 - Wiley Online Library
Lateral ambipolar diffusion in an InGaN/GaN single quantum well (SQW) structure grown on
bulk GaN is studied by microphotoluminescence (μPL) investigations. The analysis is done …

Time-of-flight measurements of charge carrier diffusion in InGaN/GaN quantum wells

J Danhof, UT Schwarz, A Kaneta, Y Kawakami - Physical Review B …, 2011 - APS
Time-of-flight experiments were performed to investigate charge carrier diffusion in InGaN
quantum wells. A mere optical setup with high spatial resolution was established on the …

Ultrafast bulk carrier dynamics in various GaN crystals at near-infrared wavelengths under one-and two-photon absorption

Y Fang, J Yang, Z Xiao, X Wu, J Jia, Y Chen… - Applied Physics …, 2019 - pubs.aip.org
Femtosecond transient absorption (TA) as a probe of ultrafast carrier dynamics was
conducted at near-infrared wavelengths in a series of GaN crystals. The TA kinetics in all the …