Metal clusters on semiconductor surfaces and application in catalysis with a focus on Au and Ru

L Howard‐Fabretto, GG Andersson - Advanced Materials, 2020 - Wiley Online Library
Metal clusters typically consist of two to a few hundred atoms and have unique properties
that change with the type and number of atoms that form the cluster. Metal clusters can be …

Transforming redox properties of clusters using phosphine ligands

AC Reber, D Bista, V Chauhan… - The Journal of Physical …, 2019 - ACS Publications
Organic ligands that protect the surfaces of clusters and nanoparticles against reactions and
control the rate of growth are generally considered to be inert passive coatings. Here, we …

The superatomic state beyond conventional magic numbers: Ligated metal chalcogenide superatoms

SN Khanna, AC Reber, D Bista, T Sengupta… - The Journal of …, 2021 - pubs.aip.org
The field of cluster science is drawing increasing attention due to the strong size and
composition-dependent properties of clusters and the exciting prospect of clusters serving …

Investigation of Phosphine Ligand Protected Au13 Clusters on Defect Rich Titania

G Krishnan, N Eom, RM Kirk, VB Golovko… - The Journal of …, 2019 - ACS Publications
Atomically precise chemically synthesized gold clusters protected by diphenylphosphine
ligands [(Au13 (dppe) 5Cl2) Cl3](dppe= 1, 2-bis (diphenylphosphino) ethane) were …

The Interaction of Size-Selected Ru 3 Clusters with TiO 2: Depth-Profiling of Encapsulated Clusters

L Howard-Fabretto, TJ Gorey, G Li… - Physical Chemistry …, 2024 - pubs.rsc.org
Ru is a metal of interest in catalysis. Monodisperse Ru3 clusters as catalytic sites are
relevant for the development of catalysts because clusters use significantly lower amounts of …

Interplay between the spin-selection rule and frontier orbital theory in O 2 activation and CO oxidation by single-atom-sized catalysts on TiO 2 (110)

S Li, X Zhao, J Shi, Y Jia, Z Guo, JH Cho… - Physical Chemistry …, 2016 - pubs.rsc.org
Exploration of the catalytic activity of low-dimensional transition metal (TM) or noble metal
catalysts is a vital subject of modern materials science because of their instrumental role in …

First-principles investigation of adsorption and dissociation of molecular oxygen on pure Pd, Ni-doped Pd and NiPd alloy clusters

H Cruz-Martínez, L López-Sosa, O Solorza-Feria… - international journal of …, 2017 - Elsevier
A theoretical study on the adsorption of the molecular oxygen on the ground state structures
of pure Pd n, Ni-doped Pd n− 1 and Pd n/2 Ni n/2 (n= 4, 6, 8 and 10) clusters was performed …

The interaction of size-selected Ru 3 clusters with RF-deposited TiO 2: probing Ru–CO binding sites with CO-temperature programmed desorption

L Howard-Fabretto, TJ Gorey, G Li, S Tesana… - Nanoscale …, 2021 - pubs.rsc.org
Small Ru clusters are efficient catalysts for chemical reactions such as CO hydrogenation. In
this study 3-atom Ru3 clusters were deposited onto radio frequency (RF)-deposited TiO2 …

Controlling placement of quantum states in phosphorene nanoribbons using ligands

R Lambert, AC Reber, T Sengupta, SN Khanna - Chemical Physics, 2024 - Elsevier
The band gap energy and placement of band edges are essential characteristics of a
semiconductor. In phosphorene nanoribbons, we show how the placement of terminal …

A ligand-induced homojunction between aluminum-based superatomic clusters

D Bista, V Chauhan, T Sengupta, AC Reber… - Nanoscale, 2020 - pubs.rsc.org
A superatomic molecule formed by joining two metallic clusters linked by an organometallic
bridge can behave like a semiconductor and the addition of ligands can induce a significant …