Spray‐Dried Photonic Balls with a Disordered/Ordered Hybrid Structure for Shear‐Stress Indication

S Wenderoth, G Bleyer, J Endres, J Prieschl, N Vogel… - Small, 2022 - Wiley Online Library
Optical microscale shear‐stress indicator particles are of interest for the in situ recording of
localized forces, eg, during 3D printing or smart skins in robotic applications. Recently …

From Meso to Macro: Controlling Hierarchical Porosity in Supraparticle Powders

U Sultan, A Götz, C Schlumberger, D Drobek, G Bleyer… - Small, 2023 - Wiley Online Library
A drying droplet containing colloidal particles can consolidate into a spherical assembly
called a supraparticle. Such supraparticles are inherently porous due to the spaces between …

Catalyst Supraparticles: Tuning the Structure of Spray‐Dried Pt/SiO2 Supraparticles via Salt‐Based Colloidal Manipulation to Control their Catalytic Performance

P Groppe, J Reichstein, S Carl, C Cuadrado Collados… - Small, 2024 - Wiley Online Library
The structure of supraparticles (SPs) is a key parameter for achieving advanced
functionalities arising from the combination of different nanoparticle (NP) types in one …

Size-dependent nanoscale soldering of polystyrene colloidal crystals by supercritical fluids

J Varghese, R Mohammadi, M Pochylski… - Journal of Colloid and …, 2023 - Elsevier
Hypothesis Polymer particles self-assembled into colloidal crystals have exciting
applications in photonics, phononics, templates for nanolithography, and coatings. Cold …

Surface functionalisation of self-assembled quantum dot microlasers with a DNA aptamer

BK Charlton, DH Downie, I Noman, PU Alves… - International Journal of …, 2023 - mdpi.com
The surface functionalisation of self-assembled colloidal quantum dot supraparticle lasers
with a thrombin binding aptamer (TBA-15) has been demonstrated. The self-assembly of …

Random lasing in micron-sized individual supraparticles

VD Ta, TV Nguyen, TA Doan, DC Duong, S Caixeiro… - Optics Letters, 2024 - opg.optica.org
Self-assembled fluorescent particles have shown promise as a potential structure for
random lasers. However, obtaining micron-sized random lasers made with fluorescent …

Controlled Nanopore Sizes in Supraparticle Supports for Enhanced Propane Dehydrogenation with GaPt SCALMS Catalysts

N Madubuko, U Sultan, S Carl… - ACS applied nano …, 2024 - ACS Publications
The efficient immobilization of GaPt liquid metal alloy droplets onto tailored supports
improves catalytic performance by preventing coalescence and subsequent loss of active …

Fabrication of Spherical Colloidal Supraparticles via Membrane Emulsification

PM Naveenkumar, LJ Roemling, U Sultan, N Vogel - Langmuir, 2024 - ACS Publications
Colloidal supraparticles are micrometer-scale assemblies of primary particles. These
supraparticles have potential application in photonic materials, catalysis, gas adsorption …

Origin of the Acoustic Bandgaps in Hypersonic Colloidal Phononics: The Role of the Elastic Impedance

Y Cang, R Sainidou, P Rembert… - The Journal of …, 2022 - ACS Publications
How phonons propagate in nanostructures determines the flow of elastic and thermal
energy in dielectric materials. However, a reliable theoretical prediction of the phonon …

Control of Buckling of Colloidal Supraparticles

LJ Roemling, G De Angelis, A Mauch, E Amstad… - arxiv preprint arxiv …, 2024 - arxiv.org
Clusters of colloidal particles, often termed supraparticles, can provide more functionality
than the individual particles they consist of. Since these functionalities are determined by the …