Deciphering the parameters to produce highly reproducible and scalable iron oxide nanoparticles

A Avasthi, C Caro, ML Garcia-Martin… - Reaction Chemistry & …, 2023 - pubs.rsc.org
Nanomedicine has been long hailed as a game changer for treating several ailments, but its
translation from bench to bedside is facing some hurdles. Over the past few decades, there …

Culling a self-assembled quantum dot as a single-photon source using X-ray microscopy

AB Dey, MK Sanyal, A Schropp, S Achilles, TF Keller… - ACS …, 2023 - ACS Publications
Epitaxially grown self-assembled semiconductor quantum dots (QDs) with atom-like optical
properties have emerged as the best choice for single-photon sources required for the …

In situ coherent x-ray scattering reveals polycrystalline structure and discrete annealing events in strongly coupled nanocrystal superlattices

MJ Hurley, CPN Tanner, J Portner, JK Utterback… - Physical Review …, 2024 - APS
Solution-phase bottom up self-assembly of nanocrystals into superstructures such as
ordered superlattices is an attractive strategy to generate functional materials of increasing …

Multimodal imaging of cubic Cu2O@Au nanocage formation via galvanic replacement using X-ray ptychography and nano diffraction

L Grote, SA Hussak, L Albers, K Stachnik, F Mancini… - Scientific reports, 2023 - nature.com
Being able to observe the formation of multi-material nanostructures in situ, simultaneously
from a morphological and crystallographic perspective, is a challenging task. Yet, this is …

Copper carbon dioxide reduction electrocatalysts studied by in situ soft X-ray spectro-ptychography

C Zhang, N Mille, H Eraky, S Stanescu, S Swaraj… - Cell Reports Physical …, 2023 - cell.com
Understanding the morphological and chemical structural changes of electrocatalysts under
reaction conditions remains a key challenge. Here, we present a detailed study of how …

An efficient ptychography reconstruction strategy through fine-tuning of large pre-trained deep learning model

X Pan, S Wang, Z Zhou, L Zhou, P Liu, C Li, W Wang… - Iscience, 2023 - cell.com
With pre-trained large models and their associated fine-tuning paradigms being constantly
applied in deep learning, the performance of large models achieves a dramatic boost …

Accurate method for correcting the translation position error of ptychography based on quantum particle swarm optimization

J Dou, Z Pei, Y Hu, Z Yang - Optics Express, 2023 - opg.optica.org
In ptychography, the translation position error will cause the periodic grid deviation and
tremendously decrease the reconstruction quality. It is crucial to attain the precise translation …

[HTML][HTML] Flow synthesis development and photocatalytic activity optimization of copper oxide nanoparticles using design of experiments

G Ebri, K Hellgardt - Chemical Engineering Journal, 2024 - Elsevier
Many studies have focused on reducing the impact of carbon dioxide (CO 2) on climate
change. A promising approach for CO 2 utilization is to use a photocatalyst to activate CO 2 …

Initial probe function construction in ptychography based on zone-plate optics

Z Qin, Z Xu, R Li, H Liu, S Liu, Q Wen, X Chen… - Applied Optics, 2023 - opg.optica.org
X-ray ptychography is a popular variant of coherent diffraction imaging that offers ultrahigh
resolution for extended samples. In x-ray ptychography instruments, the Fresnel zone-plate …

X‐Ray Multibeam Ptychography at up to 20 keV: Nano‐Lithography Enhances X‐Ray Nano‐Imaging

T Li, M Kahnt, TL Sheppard, R Yang… - Advanced …, 2024 - Wiley Online Library
Hard X‐rays are needed for non‐destructive nano‐imaging of solid matter. Synchrotron
radiation facilities (SRF) provide the highest‐quality images with single‐digit nm resolution …