Grain Boundaries in Cu(In, Ga)Se2: A Review of Composition–Electronic Property Relationships by Atom Probe Tomography and Correlative Microscopy

O Cojocaru‐Mirédin, M Raghuwanshi… - Advanced Functional …, 2021 - Wiley Online Library
Abstract Cu (In, Ga) Se2 thin‐film solar cells have attracted significant research interest in
recent decades due to their high efficiency in converting solar energy into electricity for …

Direct evidence for grain boundary passivation in Cu(In,Ga)Se2 solar cells through alkali-fluoride post-deposition treatments

N Nicoara, R Manaligod, P Jackson, D Hariskos… - Nature …, 2019 - nature.com
The properties and performance of polycrystalline materials depend critically on the
properties of their grain boundaries. Polycrystalline photovoltaic materials–eg hybrid halide …

Mapping the electrostatic force field of single molecules from high-resolution scanning probe images

P Hapala, M Švec, O Stetsovych… - Nature …, 2016 - nature.com
How electronic charge is distributed over a molecule determines to a large extent its
chemical properties. Here, we demonstrate how the electrostatic force field, originating from …

Effect of the KF post-deposition treatment on grain boundary properties in Cu(In, Ga)Se2 thin films

N Nicoara, T Lepetit, L Arzel, S Harel, N Barreau… - Scientific reports, 2017 - nature.com
Significant power conversion efficiency improvements have recently been achieved for thin-
film solar cells based on a variety of polycrystalline absorbers, including perovskites, CdTe …

[PDF][PDF] Nanoimaging of open-circuit voltage in photovoltaic devices

EM Tennyson, JL Garrett, JA Frantz, JD Myers… - Adv. Energy Mater, 2015 - Citeseer
DOI: 10.1002/aenm. 201501142 voltage and the overall electrical behavior of a device
strongly depend on the nonradiative recombination rate of the charge carriers within a …

[HTML][HTML] The impact of Kelvin probe force microscopy operation modes and environment on grain boundary band bending in perovskite and Cu (In, Ga) Se2 solar cells

EM Lanzoni, T Gallet, C Spindler, O Ramírez… - Nano Energy, 2021 - Elsevier
An in-depth understanding of the electronic properties of grain boundaries (GBs) in
polycrystalline semiconductor absorbers is of high importance since their charge carrier …

Reconstruction of surface potential from Kelvin probe force microscopy images

G Cohen, E Halpern, SU Nanayakkara… - …, 2013 - iopscience.iop.org
We present an algorithm for reconstructing a sample surface potential from its Kelvin probe
force microscopy (KPFM) image. The measured KPFM image is a weighted average of the …

Multiscale approach for simulations of Kelvin probe force microscopy with atomic resolution

A Sadeghi, A Baratoff, SA Ghasemi, S Goedecker… - Physical Review B …, 2012 - APS
The distance dependence and atomic-scale contrast recently observed in nominal contact
potential difference (CPD) signals simultaneously recorded by Kelvin probe force …

Quantitative imaging of electric surface potentials with single-atom sensitivity

C Wagner, MFB Green, M Maiworm, P Leinen, T Esat… - Nature materials, 2019 - nature.com
Because materials consist of positive nuclei and negative electrons, electric potentials are
omnipresent at the atomic scale. However, due to the long range of the Coulomb interaction …

Scanning probe microscopy and spectroscopy of graphene on metals

Y Dedkov, E Voloshina, M Fonin - physica status solidi (b), 2015 - Wiley Online Library
Abstract Graphene, a two‐dimensional (2D) material with unique electronic properties,
appears to be an ideal object for the application of surface‐science methods. Among them, a …