fig1

Figure 1. CO₂ capture mechanisms in aqueous microdroplets. (A) Proposed interfacial superacid mechanism for the accelerated reactions of amines with CO₂ in room air^[17]; (B) Reaction pathway of Amine with CO₂ in microdroplets^[17]; (C) Schematic of the microbubble in the microdroplet mechanism accelerated by ammonium bicarbonate^[18]. Figure 1A and B is reprinted with permission from Ref.^[17], available under a CC-BY-3.0. Figure 1C is reprinted with permission from Ref.^[18], Copyright © 2021 American Chemical Society. ACN: Acetonitrile; ESI: electrospray ionization; ESSI: enhanced electrospray ionization.