Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy

R Chen, F Fan, T Dittrich, C Li - Chemical Society Reviews, 2018 - pubs.rsc.org
Understanding photogenerated charge separation on the nano-to micrometer scale is the
key to optimizing the photocatalytic solar energy conversion efficiency. In the past few years …

Kelvin probe force microscopy and its application

W Melitz, J Shen, AC Kummel, S Lee - Surface science reports, 2011 - Elsevier
Kelvin probe force microscopy (KPFM) is a tool that enables nanometer-scale imaging of the
surface potential on a broad range of materials. KPFM measurements require an …

Charge separation via asymmetric illumination in photocatalytic Cu2O particles

R Chen, S Pang, H An, J Zhu, S Ye, Y Gao, F Fan, C Li - Nature Energy, 2018 - nature.com
Solar-driven photocatalytic reactions provide a potential route to sustainable fuels. These
processes rely on the effective separation of photogenerated charges, and therefore …

High-resolution Kelvin probe microscopy in corrosion science: scanning Kelvin probe force microscopy (SKPFM) versus classical scanning Kelvin probe (SKP)

M Rohwerder, F Turcu - Electrochimica Acta, 2007 - Elsevier
With the introduction of a Kelvin probe mode to atomic force microscopy, the so called
scanning Kelvin probe force microscopy (SKPFM), the Kelvin probe technique finds …

Electronic characterization of organic thin films by Kelvin probe force microscopy

V Palermo, M Palma, P Samorì - Advanced materials, 2006 - Wiley Online Library
This review highlights the potential of Kelvin probe force microscopy (KPFM) beyond
imaging to simultaneously study structural and electronic properties of functional surfaces …

Kelvin probe force microscopy study on conjugated polymer/fullerene bulk heterojunction organic solar cells

H Hoppe, T Glatzel, M Niggemann, A Hinsch… - Nano …, 2005 - ACS Publications
We conducted a comprehensive Kelvin probe force microscopy (KPFM) study on a classical
organic solar cell system consisting of MDMO− PPV/PCBM blends. The KPFM method yields …

Amplitude or frequency modulation-detection in Kelvin probe force microscopy

T Glatzel, S Sadewasser, MC Lux-Steiner - Applied surface science, 2003 - Elsevier
Kelvin probe force microscopy in ultrahigh vacuum is a sensitive tool to determine the
absolute work function of sample surfaces. For the detection of the electrostatic force, an ac …

Understanding the beneficial role of grain boundaries in polycrystalline solar cells from single‐grain‐boundary scanning probe microscopy

I Visoly‐Fisher, SR Cohen, K Gartsman… - Advanced Functional …, 2006 - Wiley Online Library
The superior performance of certain polycrystalline (PX) solar cells compared to that of
corresponding single‐crystal ones has been an enigma until recently. Conventional …

Towards nanoscale electrical measurements in liquid by advanced KPFM techniques: a review

L Collins, JI Kilpatrick, SV Kalinin… - Reports on Progress in …, 2018 - iopscience.iop.org
Fundamental mechanisms of energy storage, corrosion, sensing, and multiple biological
functionalities are directly coupled to electrical processes and ionic dynamics at solid–liquid …

High-resolution work function imaging of single grains of semiconductor surfaces

S Sadewasser, T Glatzel, M Rusu… - Applied Physics …, 2002 - pubs.aip.org
The size reduction of modern electronic devices creates a growing demand for
characterization tools to determine material properties on a nanometer scale. The Kelvin …