Bimetallic sites for catalysis: from binuclear metal sites to bimetallic nanoclusters and nanoparticles

L Liu, A Corma - Chemical Reviews, 2023 - ACS Publications
Heterogeneous bimetallic catalysts have broad applications in industrial processes, but
achieving a fundamental understanding on the nature of the active sites in bimetallic …

Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

Bimetallic nanocrystals: syntheses, properties, and applications

KD Gilroy, A Ruditskiy, HC Peng, D Qin, Y Xia - Chemical reviews, 2016 - ACS Publications
Achieving mastery over the synthesis of metal nanocrystals has emerged as one of the
foremost scientific endeavors in recent years. This intense interest stems from the fact that …

Three-dimensional nanoscale characterisation of materials by atom probe tomography

A Devaraj, DE Perea, J Liu, LM Gordon… - International …, 2018 - Taylor & Francis
The development of three-dimensional (3-D), characterisation techniques with high spatial
and mass resolution is crucial for understanding and developing advanced materials for …

Enabling near-atomic–scale analysis of frozen water

AA El-Zoka, SH Kim, S Deville, RC Newman… - Science …, 2020 - science.org
Transmission electron microscopy went through a revolution enabling routine cryo-imaging
of biological and (bio) chemical systems, in liquid form. Yet, these approaches typically lack …

Direct detection of surface species formed on iridium electrocatalysts during the oxygen evolution reaction

A BalaKrishnan, N Blanc, U Hagemann… - Angewandte …, 2021 - Wiley Online Library
The effect of surface orientations on the formation of iridium oxide species during the oxygen
evolution reaction (OER) remains yet unknown. Herein, we use a needle‐shaped iridium …

Modern focused-ion-beam-based site-specific specimen preparation for atom probe tomography

TJ Prosa, DJ Larson - Microscopy and Microanalysis, 2017 - academic.oup.com
Approximately 30 years after the first use of focused ion beam (FIB) instruments to prepare
atom probe tomography specimens, this technique has grown to be used by hundreds of …

Atomic‐Scale Mapping of Impurities in Partially Reduced Hollow TiO2 Nanowires

J Lim, SH Kim, R Aymerich Armengol… - Angewandte Chemie …, 2020 - Wiley Online Library
The incorporation of impurities during the chemical synthesis of nanomaterials is usually
uncontrolled and rarely reported because of the formidable challenge in measuring trace …

A new method for mapping the three-dimensional atomic distribution within nanoparticles by atom probe tomography (APT)

SH Kim, PW Kang, OO Park, JB Seol, JP Ahn, JY Lee… - Ultramicroscopy, 2018 - Elsevier
We present a new method of preparing needle-shaped specimens for atom probe
tomography from freestanding Pd and C-supported Pt nanoparticles. The method consists of …

Direct Imaging of Dopant and Impurity Distributions in 2D MoS2

SH Kim, J Lim, R Sahu, O Kasian… - Advanced …, 2020 - Wiley Online Library
Molybdenum disulfide (MoS2) nanosheet is a two‐dimensional (2D) material with high
electron mobility and with high potential for applications in catalysis and electronics. MoS2 …