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April 27, 2026Analytical Chemistry

Visualization of Gas Mass Transfer by Interferometric Microsphere Microscopy

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Authors

XSXiaomin SongJSJinlu SunRWRuonan Wu

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Overview

Randomized trial shows enhanced gas visualization in micro/nano interfaces, suggesting improved sensing applications.

Key Points

  • This research aims to improve the visualization of gas distribution patterns at micro/nano interfaces for enhanced sensing and catalytic materials.
  • Developed label-free interferometric microsphere microscopy achieving 50 nm resolution over a 100 μm² field of view.
  • Used frequency shift technology and algorithm fusion to produce multiwavelength gas images.
  • Analyzed gas dynamics to establish structure-performance relationships in colorimetric gas sensors.
  • Identified laminar flow at Kn = 0.008 with a micropore size of 6.3 μm.
  • Transition to vortical flow at Kn = 0.01 occurred with a micropore size decrease to 4.5 μm.
  • Improved sensor response by 70% in the vortex gas diffusion regime.

Cite This Study

Song et al. (2026) studied this question.

synapsesocial.com/papers/69eefc6dfede9185760d37c9https://doi.org/10.1021/acs.analchem.6c00307
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