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Scanning photocurrent microscopy in semiconductor nanostructures
R Graham, D Yu - Modern Physics Letters B, 2013 - World Scientific
Scanning photocurrent microscopy (SPCM) is a powerful experimental tool used to
investigate spatially resolved optoelectronic properties of semiconductors and their …
investigate spatially resolved optoelectronic properties of semiconductors and their …
Strong depletion in hybrid perovskite p–n junctions induced by local electronic do**
A semiconductor p–n junction typically has a do**‐induced carrier depletion region,
where the do** level positively correlates with the built‐in potential and negatively …
where the do** level positively correlates with the built‐in potential and negatively …
Hot carrier trap** induced negative photoconductance in InAs nanowires toward novel nonvolatile memory
We report a novel negative photoconductivity (NPC) mechanism in n-type indium arsenide
nanowires (NWs). Photoexcitation significantly suppresses the conductivity with a gain up to …
nanowires (NWs). Photoexcitation significantly suppresses the conductivity with a gain up to …
Unbalanced hole and electron diffusion in lead bromide perovskites
We use scanning photocurrent microscopy and time-resolved microwave conductivity to
measure the diffusion of holes and electrons in a series of lead bromide perovskite single …
measure the diffusion of holes and electrons in a series of lead bromide perovskite single …
Liquid‐Alloy‐Assisted Growth of 2D Ternary Ga2In4S9 toward High‐Performance UV Photodetection
Abstract 2D ternary systems provide another degree of freedom of tuning physical properties
through stoichiometry variation. However, the controllable growth of 2D ternary materials …
through stoichiometry variation. However, the controllable growth of 2D ternary materials …
MoS2 Heterojunctions by Thickness Modulation
In this work, we report lateral heterojunction formation in as-exfoliated MoS2 flakes by
thickness modulation. Kelvin probe force microscopy is used to map the surface potential at …
thickness modulation. Kelvin probe force microscopy is used to map the surface potential at …
Limits of Carrier Diffusion in n-Type and p-Type CH3NH3PbI3 Perovskite Single Crystals
Using a combination of scanning photocurrent microscopy (SPCM) and time-resolved
microwave conductivity (TRMC) measurements, we monitor the diffusion and recombination …
microwave conductivity (TRMC) measurements, we monitor the diffusion and recombination …
Enabling Fast Photoresponse in Hybrid Perovskite/MoS2 Photodetectors by Separating Local Photocharge Generation and Recombination
J Song, T Li, W Li, Z ** in single-crystal methylammonium lead iodide perovskite nanostructures
Imaging the long transport lengths of photo-generated carriers in oriented perovskite films
Organometal halide perovskite has emerged as a promising material for solar cells and
optoelectronics. Although the long diffusion length of photogenerated carriers is believed to …
optoelectronics. Although the long diffusion length of photogenerated carriers is believed to …