Impact of dopant-induced band tails on optical spectra, charge carrier transport, and dynamics in single-crystal CdTe

P Ščajev, A Mekys, L Subačius, S Stanionytė… - Scientific reports, 2022 - nature.com
Cadmium telluride (CdTe) semiconductors are used in thin-film photovoltaics, detectors, and
other optoelectronic applications. For all technologies, higher efficiency and sensitivity are …

Mid-wave infrared photoluminescence from low-temperature-grown PbSe epitaxial films on GaAs after rapid thermal annealing

JE Meyer, L Nordin, T Nguyen, K Mukherjee - Applied Physics Letters, 2023 - pubs.aip.org
We investigate the beneficial effects of rapid thermal annealing on structure and
photoluminescence of PbSe thin films on GaAs (001) grown below 150 C, with a goal of low …

A Femtosecond Electron‐Based Versatile Microscopy for Visualizing Carrier Dynamics in Semiconductors Across Spatiotemporal and Energetic Domains

Y Zhang, X Chen, Y Yu, Y Huang, M Qiu… - Advanced …, 2024 - Wiley Online Library
Carrier dynamics detection in different dimensions (space, time, and energy) with high
resolutions plays a pivotal role in the development of modern semiconductor devices …

Sub-nanosecond free carrier recombination in an indirectly excited quantum-well heterostructure

M Perlangeli, F Proietto, F Parmigiani… - Journal of the Optical …, 2023 - opg.optica.org
Nanometer-thick quantum-well structures are quantum model systems offering a few
discrete unoccupied energy states that can be impulsively filled and that relax back to …

Sub‐Picosecond Carrier Dynamics Explored using Automated High‐Throughput Studies of Doping Inhomogeneity within a Bayesian Framework

R Al‐Abri, N Al Amairi, S Church, C Byrne, S Sivakumar… - Small, 2023 - Wiley Online Library
Bottom–up production of semiconductor nanomaterials is often accompanied by
inhomogeneity resulting in a spread in electronic properties which may be influenced by the …

Reexamination of Gain Theory for Photoconductive Devices

N Vrucinic - 2024 - search.proquest.com
Photoconductive detectors are semiconductor optoelectronic devices that absorb optical
energy and convert it to electrical signal. However, photoconductive gain or quantum …

Charge Carrier Diffusion and Recombination Near Misfit Dislocations in GaAsP/GaInP Heterostructures

TH Gfroerer, A Edmondson, L Korir… - 2023 IEEE 50th …, 2023 - ieeexplore.ieee.org
GaAsP alloys are good candidates for the upper junction in Si-based dual-junction tandem
solar cells. However, monolithic growth of GaAsP on Si is limited by dislocation formation …

The Role of Film Morphology and Defects on the Photostability and Carrier Transport of Methylammonium Lead Triiodide

JF Castaneda - 2022 - search.proquest.com
Organic-inorganic hybrid perovskites are viewed as a cost-effective alternative for
photovoltaic devices, among other applications. Solution and low-temperature processing …