Electrical Mobility as an Indicator for Flexibly Deducing the Kinetics of Nanoparticle Evaporation.

ABSTRACT: Condensation and evaporation of vapor species on nanoparticle surfaces drive the aerosol evolution in various industrial/atmospheric systems, but probing these transient processes is challenging due to related time and length scales. Herein, we present a novel methodology for deducing nanoparticle evaporation kinetics using electrical mobility as a natural size indicator. Monodispersed nanoparticles are fed to a differential mobility analyzer which serves simultaneously as an evaporation flowtube and an instrument for measuring the electrical mobility, realizing measurements of evaporation processes with time scales comparable to the instrument response time. A theoretical framework is derived for deducing the evaporation kinetics from instrument responses through analyzing the nanoparticl

SUBMITTER: Yang H 

PROVIDER: S-EPMC9150095 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature