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Frequency-Dependent Sonochemical Processing of Silicon Surfaces in Tetrahydrofuran Studied by Surface Photovoltage Transients [PDF]

open access: goldMolecules, 2021
The field of chemical and physical transformations induced by ultrasonic waves has shown steady progress during the past decades. There is a solid core of established results and some topics that are not thoroughly developed.
Artem Podolian   +3 more
doaj   +4 more sources

Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2022
Surface photovoltage (SPV) measurements are a crucial way of investigating optoelectronic and photocatalytic semiconductors. The local SPV is generally measured consecutively by Kelvin probe force microscopy (KPFM) in darkness and under illumination, in ...
Masato Miyazaki   +2 more
doaj   +2 more sources

Surface Photovoltage Response of ZnO to Phosphate-Buffered Saline Solution with and without Presence of Staphylococcus aureus [PDF]

open access: yesNanomaterials, 2023
Nano- and microscale zinc oxide (ZnO) exhibits significant potential as a novel antibacterial agent in biomedical applications. However, the uncertainty regarding the underlying mechanisms of the observed antimicrobial action inhibits the realization of ...
Dustin A. Johnson   +5 more
doaj   +2 more sources

Automated system for surface photovoltage spectroscopy [PDF]

open access: bronzeReview of Scientific Instruments, 2021
This paper details the development of a lab-made experimental setup for surface photovoltage spectroscopy (SPS) measurements using an open-source and Arduino® microcontroller to control a monochromator and some off-the-shelf electronic components. The experimental setup is interfaced to a computer, where LabVIEW® based software manages system control ...
Y. González   +6 more
openaire   +4 more sources

Surface photovoltage characterisation of metal halide perovskite on crystalline silicon using Kelvin probe force microscopy and metal-insulator-semiconductor configuration [PDF]

open access: goldEPJ Photovoltaics, 2022
In this study we analysed halide perovskite films deposited directly on crystalline silicon by means of two set-ups using different operating modes of the surface photovoltage (SPV) methods, i.e., the Kelvin probe force microscopy (KPFM) and the metal ...
Bojar Aleksandra   +7 more
doaj   +2 more sources

Nanoscale Surface Photovoltage Spectroscopy [PDF]

open access: hybridAdvanced Optical Materials, 2023
AbstractUnderstanding electron and ion dynamics is an important task for improving modern energy materials, such as photovoltaic perovskites. These materials usually have delicate nano‐ and microstructures that influence the device parameters. To resolve detailed structure–function relationships on the relevant micro‐ and nanometer length scales, the ...
Yenal Yalcinkaya   +5 more
openaire   +3 more sources

A Novel Type Room Temperature Surface Photovoltage Gas Sensor Device [PDF]

open access: yesSensors, 2018
In this paper a novel type of a highly sensitive gas sensor device based on the surface photovoltage effect is described. It is based on the Kelvin probe approach.
Monika Kwoka   +4 more
doaj   +2 more sources

Transient surface photovoltage spectroscopy of diamond

open access: yesAIP Advances, 2022
Contactless and highly sensitive probing of electronic transitions in diamond over a wide spectral range from near infrared to deep ultraviolet is still challenging.
Th. Dittrich
doaj   +3 more sources

Interfacial Charge Transfer Enhances Transient Surface Photovoltage in Hybrid Heterojunctions [PDF]

open access: yesNanomaterials
The interfacial energy level alignment in the copper phthalocyanine/SiO2/p-Si(100) heterojunction has been studied in dark conditions and under illumination. The element-sensitivity of the time-resolved X-ray photoemission provides a real-time picture of
Cristian Soncini   +4 more
doaj   +2 more sources

Surface Photovoltage Study of GaAsSbN and GaAsSb Layers Grown by LPE for Solar Cells Applications [PDF]

open access: goldEnergies, 2022
The properties of GaAsSbN and GaAsSb layers grown by liquid-phase epitaxy on n-GaAs substrates were investigated in a comparative plan with a view of their possible application in multi-junction solar cells.
Vesselin Donchev   +2 more
doaj   +2 more sources

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