Real-space imaging of anisotropic charge of σ-hole by means of Kelvin probe force microscopy

B Mallada, A Gallardo, M Lamanec, B De La Torre… - Science, 2021 - science.org
An anisotropic charge distribution on individual atoms, such as σ-holes, may strongly affect
the material and structural properties of systems. However, the spatial resolution of such …

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

B Mallada, M Ondráček, M Lamanec, A Gallardo… - Nature …, 2023 - nature.com
Submolecular charge distribution significantly affects the physical-chemical properties of
molecules and their mutual interaction. One example is the presence of a π-electron …

[HTML][HTML] Attomolar detection of hepatitis C virus core protein powered by molecular antenna-like effect in a graphene field-effect aptasensor

I Palacio, M Moreno, A Náñez, A Purwidyantri… - Biosensors and …, 2023 - Elsevier
Biosensors based on graphene field-effect transistors have become a promising tool for
detecting a broad range of analytes. However, their performance is substantially affected by …

Hematite α‐Fe2O3(0001) in Top and Side View: Resolving Long‐Standing Controversies about Its Surface Structure

J Redondo, J Michalička, F Kraushofer… - Advanced Materials …, 2023 - Wiley Online Library
Hematite is a common iron oxide found in nature, and the α‐Fe2O3 (0001) plane is
prevalent on the nanomaterial utilized in photo‐and electrocatalytic applications. The atomic …

On‐Surface Synthesis of a Dicationic Diazahexabenzocoronene Derivative on the Au (111) Surface

K Biswas, JI Urgel, K Xu, J Ma… - Angewandte Chemie …, 2021 - Wiley Online Library
The atomically precise control over the size, shape and structure of nanographenes (NGs) or
the introduction of heteroatom dopants into their sp2‐carbon lattice confer them valuable …

Interlayer engineering in 3D graphene skeleton realizing tunable electronic properties at a highly controllable level for piezoresistive sensors

X Hu, L Tan, X Wu, J Wang - Nano Research, 2023 - Springer
Abstract Three-dimensional (3D) graphene is a promising active component for various
engineering fields, but its performance is limited by the hidebound electrical conductivity …

Gate-tunable resonance state and screening effects for proton-like atomic charge in graphene

M Telychko, K Noori, H Biswas, D Dulal, Z Chen… - Nano Letters, 2022 - ACS Publications
The ability to create a robust and well-defined artificial atomic charge in graphene and
understand its carrier-dependent electronic properties represents an important goal toward …

Measuring and tuning the potential landscape of electrostatically defined quantum dots in graphene

WA Behn, ZJ Krebs, KJ Smith, K Watanabe… - Nano Letters, 2021 - ACS Publications
We use Kelvin probe force microscopy (KPFM) to probe the carrier-dependent potential of
an electrostatically defined quantum dot (QD) in a graphene/hexagonal boron nitride (hBN) …

2D Nitrogen‐Doped Graphene Materials for Noble Gas Separation

V Šedajová, MB Kim, R Langer, GS Kumar, L Liu… - Small, 2024 - Wiley Online Library
Noble gases, notably xenon, play a pivotal role in diverse high‐tech applications. However,
manufacturing xenon is an inherently challenging task, due to its unique properties and …