Related Experiment Video
Updated: Apr 16, 2026
06:48
Fluid-cell Raman Spectroscopy for operando Studies of Reaction and Transport Phenomena during Silicate Glass Corrosion
Published on: May 9, 2025
1.4K
Implementation of in situ SAXS/WAXS characterization into silicon/glass microreactors.
Thomas Beuvier1, Elvia Anabela Chavez Panduro, Paweł Kwaśniewski
1LUNAM, Université du Maine, Institut des Molécules et Matériaux du Mans, UMR CNRS 6283, Avenue Olivier Messiaen, 72085 Le Mans Cedex 9, France. Alain.Gibaud@univ-lemans.fr.
Lab on a Chip
|March 21, 2015
Summary
This study demonstrates in situ X-ray scattering analysis of synthesized calcium carbonate (CaCO3) particles within microreactors. These silicon/glass chips enable detailed structural and morphological analysis of materials under various conditions.
Area of Science:
- Materials Science
- Nanotechnology
- Crystallography
Background:
- In situ analysis of synthesized materials is crucial for understanding reaction mechanisms.
- Microfluidic devices offer controlled environments for material synthesis and characterization.
- X-ray scattering techniques provide detailed structural and morphological information.
Purpose of the Study:
- To report the successful implementation of in situ X-ray scattering analysis in silicon/glass microreactors.
- To investigate the precipitation and characterization of calcium carbonate (CaCO3) particles.
- To demonstrate the potential of microreactors for studying materials under non-conventional conditions.
Main Methods:
- Precipitation of calcium carbonate (CaCO3) within microchannels via counter-injection of precursor solutions.
- In situ analysis using Small Angle X-ray Scattering (SAXS) and Wide Angle X-ray Scattering (WAXS).
- Utilized the ESRF ID02 beam line for high-resolution X-ray scattering data acquisition.
Main Results:
- Successfully synthesized calcite particles within silicon/glass microreactors.
- WAXS patterns showed distinct diffraction peaks from CaCO3, differentiating them from solvent and chip signals.
- SAXS revealed the rhombohedral morphology and micrometer size of calcite particles with minimal background interference.
Conclusions:
- Silicon/glass microreactors are effective tools for in situ SAXS/WAXS analysis.
- This approach is promising for studying material structure and morphology, including geological materials under extreme conditions.
- The study validates microreactor technology for advanced in situ material characterization.
