Results 1 to 10 of about 25,584 (138)

Visualization of π-hole in molecules by means of Kelvin probe force microscopy [PDF]

open access: yesNature Communications, 2023
Submolecular charge distribution significantly affects the physical-chemical properties of molecules and their mutual interaction. One example is the presence of a π-electron-deficient cavity in halogen-substituted polyaromatic hydrocarbon compounds, the
B. Mallada   +7 more
doaj   +3 more sources

High-speed mapping of surface charge dynamics using sparse scanning Kelvin probe force microscopy [PDF]

open access: yesNature Communications, 2023
Unraveling local dynamic charge processes is vital for progress in diverse fields, from microelectronics to energy storage. This relies on the ability to map charge carrier motion across multiple length- and timescales and understanding how these ...
Marti Checa   +14 more
doaj   +3 more sources

Quantification of electron accumulation at grain boundaries in perovskite polycrystalline films by correlative infrared-spectroscopic nanoimaging and Kelvin probe force microscopy [PDF]

open access: yesLight: Science & Applications, 2021
Organic–inorganic halide perovskites are emerging materials for photovoltaic applications with certified power conversion efficiencies (PCEs) over 25%.
Ting-Xiao Qin   +7 more
doaj   +3 more sources

Low-Temperature Reduction of Graphene Oxide: Electrical Conductance and Scanning Kelvin Probe Force Microscopy [PDF]

open access: yesNanoscale Research Letters, 2018
Graphene oxide (GO) films were formed by drop-casting method and were studied by FTIR spectroscopy, micro-Raman spectroscopy (mRS), X-ray photoelectron spectroscopy (XPS), four-points probe method, atomic force microscopy (AFM), and scanning Kelvin probe
Oleksandr M. Slobodian   +7 more
doaj   +3 more sources

Know your full potential: Quantitative Kelvin probe force microscopy on nanoscale electrical devices [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2018
In this study we investigate the influence of the operation method in Kelvin probe force microscopy (KPFM) on the measured potential distribution. KPFM is widely used to map the nanoscale potential distribution in operating devices, e.g., in thin film ...
Amelie Axt   +4 more
doaj   +3 more sources

Multimodal noncontact atomic force microscopy and Kelvin probe force microscopy investigations of organolead tribromide perovskite single crystals [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2018
In this work, methylammonium lead tribromide (MAPbBr3) single crystals are studied by noncontact atomic force microscopy (nc-AFM) and Kelvin probe force microscopy (KPFM).
Yann Almadori   +4 more
doaj   +3 more sources

Pulsed Force Kelvin Probe Force Microscopy through Integration of Lock-In Detection. [PDF]

open access: yesNano Lett, 2023
Kelvin probe force microscopy measures surface potential and delivers insights into nanoscale electronic properties, including work function, doping levels, and localized charges.
Zahmatkeshsaredorahi A   +4 more
europepmc   +2 more sources

Dual-heterodyne Kelvin probe force microscopy [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2023
We present a new open-loop implementation of Kelvin probe force microscopy (KPFM) that provides access to the Fourier spectrum of the time-periodic surface electrostatic potential generated under optical (or electrical) pumping with an atomic force ...
Benjamin Grévin   +3 more
doaj   +2 more sources

AC Kelvin Probe Force Microscopy Enables Charge Mapping in Water. [PDF]

open access: yesACS Nano, 2022
Mapping charged chemical groups at the solid–liquid interface is important in many areas, ranging from colloidal systems to biomolecular interactions.
Hackl T, Schitter G, Mesquida P.
europepmc   +2 more sources

Energy-Level Alignment at Interfaces between Transition-Metal Dichalcogenide Monolayers and Metal Electrodes Studied with Kelvin Probe Force Microscopy. [PDF]

open access: yesJ Phys Chem C Nanomater Interfaces, 2021
We studied the energy-level alignment at interfaces between various transition-metal dichalcogenide (TMD) monolayers, MoS2, MoSe2, WS2, and WSe2, and metal electrodes with different work functions (WFs).
Markeev PA   +6 more
europepmc   +2 more sources

Home - About - Disclaimer - Privacy