Cathodoluminescence for the 21st century: Learning more from light

T Coenen, NM Haegel - Applied Physics Reviews, 2017 - pubs.aip.org
On August 22, 1879, in a lecture to the British Association for the Advancement of Science, 1
Sir William Crookes announced that “radiant matter”(his term for the electrons emerging from …

Photo-induced macro/mesoscopic scale ion displacement in mixed-halide perovskites: ring structures and ionic plasma oscillations

X Sun, Y Zhang, W Ge - Light: Science & Applications, 2022 - nature.com
Contrary to the common belief that the light-induced halide ion segregation in a mixed
halide alloy occurs within the illuminated area, we find that the Br ions released by light are …

Comparative studies of optoelectrical properties of prominent PV materials: Halide perovskite, CdTe, and GaAs

F Zhang, JF Castaneda, S Chen, W Wu, MJ DiNezza… - Materials Today, 2020 - Elsevier
We compare three representative high performance PV materials: halide perovskite MAPbI
3, CdTe, and GaAs, in terms of photoluminescence (PL) efficiency, PL lineshape, carrier …

Quantifying coherent and incoherent cathodoluminescence in semiconductors and metals

BJM Brenny, T Coenen, A Polman - Journal of Applied Physics, 2014 - pubs.aip.org
We present a method to separate coherent and incoherent contributions to
cathodoluminescence from bulk materials by using angle-resolved cathodoluminescence …

Map** the Energy Carrier Diffusion Tensor in Perovskite Semiconductors

R Brenes, DW deQuilettes, R Swartwout… - ACS …, 2025 - ACS Publications
Understanding energy transport in semiconductors is critical for the design of electronic and
optoelectronic devices. Semiconductor material properties, such as charge carrier mobility …

Simultaneous nanoscale excitation and emission map** by cathodoluminescence

T Matsukata, S Ogura, FJ García de Abajo… - ACS …, 2022 - ACS Publications
Free-electron-based spectroscopies can reveal the nanoscale optical properties of
semiconductor materials and nanophotonic devices with a spatial resolution far beyond the …

GaAs solar cells grown by hydride vapor-phase epitaxy and the development of GaInP cladding layers

J Simon, KL Schulte, DL Young… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
The high cost of high-efficiency III-V photovoltaic devices currently limits them to niche
markets. Hydride vapor-phase epitaxy (HVPE) growth of III-V materials recently reemerged …

Temperature dependence of diffusion length, lifetime and minority electron mobility in GaInP

FJ Schultes, T Christian, R Jones-Albertus… - Applied Physics …, 2013 - pubs.aip.org
The mobility of electrons in double heterostructures of p-type Ga 0.50 In 0.50 P has been
determined by measuring minority carrier diffusion length and lifetime. The minority electron …

Integrating electron and near-field optics: dual vision for the nanoworld

NM Haegel - Nanophotonics, 2014 - degruyter.com
The integration of near-field scanning optical microscopy (NSOM) with the imaging and
localized excitation capabilities of electrons in a scanning electron microscope (SEM) offers …

Transport imaging for contact-free measurements of minority carrier diffusion in GaN, GaN/AlGaN, and GaN/InGaN core-shell nanowires

L Baird, CP Ong, RA Cole, NM Haegel, AA Talin… - Applied Physics …, 2011 - pubs.aip.org
Minority carrier diffusion lengths (L d) are measured for GaN, GaN/AlGaN, and GaN/InGaN
core-shell nanowires using a technique based on imaging of recombination luminescence …