Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy [PDF]
Beilstein 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
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Surface Photovoltage Response of ZnO to Phosphate-Buffered Saline Solution with and without Presence of Staphylococcus aureus [PDF]
Nanomaterials, 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
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Frequency-Dependent Sonochemical Processing of Silicon Surfaces in Tetrahydrofuran Studied by Surface Photovoltage Transients [PDF]
Molecules, 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
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Transient surface photovoltage spectroscopy of diamond
AIP 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
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Interfacial Charge Transfer Enhances Transient Surface Photovoltage in Hybrid Heterojunctions [PDF]
NanomaterialsThe 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
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A Novel Type Room Temperature Surface Photovoltage Gas Sensor Device [PDF]
Sensors, 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
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Designing a Robust Kelvin Probe Setup Optimized for Long-Term Surface Photovoltage Acquisition [PDF]
Sensors, 2018 We introduce a robust low-budget Kelvin probe design that is optimized for the long-term acquisition of surface photovoltage (SPV) data, especially developed for highly resistive systems, which exhibit—in contrast to conventional semiconductors ...
Elke Beyreuther +2 more
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Dipolar modulation of surface states in GaN via molecular ionization energy [PDF]
Scientific ReportsGallium nitride (GaN) surface states play a pivotal role in determining device performance and stability. Here, we show that adsorption of molecules with varying ionization energies modulates GaN surface states, as revealed by surface photovoltage and X ...
Or Haim Chaulker +4 more
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Effect of polymer layer deposition and annealing on photovoltaic properties of CuInS2/polymer structures; pp. 18–23 [PDF]
Proceedings of the Estonian Academy of Sciences, 2009 The effect of deposition of various polymer layers and annealing in the air at different temperatures on the surface photovoltage of CuInS2 photoabsorber films was studied. After polymer layer deposition onto the polycrystalline CuInS2 surface, roughness
Anatoly Verbitsky +7 more
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Automated system for surface photovoltage spectroscopy
Review 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 +3 more sources