Nanoscale Materials Characterisation Facility

Self-Assembly of Ir-Based Nanosheets with Ordered Interlayer Space for Enhanced Electrocatalytic Water Oxidation

L Zu, X Qian, S Zhao, Q Liang, YE Chen, M Liu, BJ Su, KH Wu, L Qu, L Duan, H Zhan, JY Zhang, C Li, W Li, JY Juang, J Zhu, D Li, A Yu, D Zhao

2022-02-09

Iridium (Ir)-based electrocatalysts are widely explored as benchmarks for acidic oxygen evolution reactions (OERs). However, furth..

Dual Photolytic Pathways in an Alloyed Plasmonic Near-Perfect Absorber: Implications for Photoelectrocatalysis

Q Xiao, C Kinnear, TU Connell, MK Kashif, CD Easton, A Seeber, L Bourgeois, GO Bonin, NW Duffy, ASR Chesman, DE Gómez

2021-03-26

Plasmonic noble metal nanoparticles exhibit intense interactions with light but are inherently chemically unreactive. Alloying pla..

A Mechanism for Symmetry Breaking and Shape Control in Single-Crystal Gold Nanorods

MJ Walsh, W Tong, H Katz-Boon, P Mulvaney, J Etheridge, AM Funston

2017-12-19

ConspectusThe phenomenon of symmetry breaking - in which the order of symmetry of a system is reduced despite manifest higher-orde..

Accuracy and precision of thickness determination from position-averaged convergent beam electron diffraction patterns using a single-parameter metric

JA Pollock, M Weyland, DJ Taplin, LJ Allen, SD Findlay

2017-10-01

Position-averaged convergent beam electron diffraction patterns are formed by averaging the transmission diffraction pattern while..

Control of Symmetry Breaking Size and Aspect Ratio in Gold Nanorods: Underlying Role of Silver Nitrate

W Tong, MJ Walsh, P Mulvaney, J Etheridge, AM Funston

2017-02-16

Single crystal gold nanorods remain one of the most important and intensively studied anisotropic nanocrystals. The aspect ratio o..

The enhanced theta-prime (θ′) precipitation in an Al-Cu alloy with trace Au additions

Y Chen, Z Zhang, A Tsalanidis, M Weyland, NV Medhekar, L Bourgeois

2017-02-15

Linking the atomic level kinetic precipitation pathways induced by elemental additions to the resulting microstructure is fundamen..

Energy dispersive X-ray analysis on an absolute scale in scanning transmission electron microscopy

Z Chen, AJ D'Alfonso, M Weyland, DJ Taplin, LJ Allen, SD Findlay

2015-10-01

We demonstrate absolute scale agreement between the number of X-ray counts in energy dispersive X-ray spectroscopy using an atomic..

Stability of crystal facets in gold nanorods

H Katz-Boon, M Walsh, C Dwyer, P Mulvaney, AM Funston, J Etheridge

2015-03-11

Metal nanocrystals can be grown in a variety of shapes through the modification of surface facet energies via surfactants. However..

Atom-scale ptychographic electron diffractive imaging of boron nitride cones

CT Putkunz, AJ D'Alfonso, AJ Morgan, M Weyland, C Dwyer, L Bourgeois, J Etheridge, A Roberts, RE Scholten, KA Nugent, LJ Allen

2012-02-14

Ptychographic coherent diffractive imaging (CDI) has been extensively applied using both xrays and electrons. The extension to ato..

Interfacing colloidal graphene oxide sheets with gold nanoparticles

F Bei, X Hou, SLY Chang, GP Simon, D Li

2011-05-16

Aqueous solutions of graphene oxide (GO) and citrate-stabilised gold nanoparticles (AuNPs) are two classic, negatively charged col..

Three-dimensional morphology and crystallography of gold nanorods

H Katz-Boon, CJ Rossouw, M Weyland, AM Funston, P Mulvaney, J Etheridge

2011-01-12

We determine the three-dimensional shape, to within 1 nm resolution, of single-crystal gold nanorods grown in the presence of silv..