Related Experiment Video
Updated: Feb 15, 2026

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
Published on: March 2, 2021
A new ultrasonic transducer sample cell for in situ small-angle scattering experiments
Sudipta Gupta1, Markus Bleuel2, Gerald J Schneider1
1Department of Chemistry and Department of Physics, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
A new in situ sonication device enables real-time study of ultrasonic effects on micellar structures using small-angle neutron scattering (SANS). Researchers observed significant structural changes and relaxation dynamics in surfactant micelles during and after sonication.
Area of Science:
- Materials Science
- Soft Matter Physics
- Neutron Scattering
Background:
- Ultrasound irradiation is vital for nondestructive diagnostics and targeted destruction.
- Characterizing dynamic changes in materials under external stimuli is crucial.
- Neutron and X-ray scattering are powerful tools for probing material structure.
Purpose of the Study:
- To introduce a versatile in situ sonication device for neutron and X-ray scattering instruments.
- To investigate the time-dependent structural response of surfactant micelles to ultrasound.
- To demonstrate the utility of the device for studying dynamic perturbations and relaxation processes.
Main Methods:
- Development and implementation of a novel sonication device compatible with standard scattering sample environments.
- Utilization of small-angle neutron scattering (SANS) to monitor micellar structure changes in situ.
- Systematic variation of sonication duration to probe structure factor perturbations and relaxation dynamics.
Main Results:
- Observed substantial changes in micellar structure factor during and after ultrasonic irradiation.
- Characterized time-dependent relaxation of micellar structures back to equilibrium.
- Demonstrated a systematic dependence of structural perturbation on sonication duration.
- Showcased improved signal-to-noise ratio by accumulating data from multiple sonication cycles.
Conclusions:
- The new in situ sonication device effectively probes dynamic structural changes in soft matter systems.
- Ultrasound irradiation induces significant, reversible structural modifications in surfactant micelles.
- The device facilitates detailed exploration of molecular potentials through controlled, time-dependent perturbations.
More Related Videos
10:27Contrast-Matching Detergent in Small-Angle Neutron Scattering Experiments for Membrane Protein Structural Analysis and Ab Initio Modeling
Published on: October 21, 2018
07:55An All-in-one Sample Holder for Macromolecular X-ray Crystallography with Minimal Background Scattering
Published on: July 6, 2019
Related Concept Videos
Contact Angle
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
Scatter Plot
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle of Twist: Problem Solving
What is an Experiment?
Design Example: Traverse Angle Computations