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Interfacial Curvature, not Simply Size, Controls Spontaneous Hydrogen Peroxide Formation in Water Microdroplets

Kyoungmun Lee1,2, Masoud A Mehrgardi1,3, Richard N Zare1

  • 1Department of Chemistry, Stanford University, Stanford, California 94305, United States.

Journal of the American Chemical Society
|August 30, 2025
PubMed
Summary

Smaller water droplets accelerate chemical reactions like hydrogen peroxide (H2O2) generation due to enhanced electric fields. Droplet size and surface charge significantly impact microdroplet reactivity.

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