fig3

Figure 3. (A) The schematic view of a gas cell-based operando TEM gas path. (B) The working principle and gas path schematic view of traditional MS and TEM optimized MS[32], CO pink, O2 green, He blue. (C) The delay time variation with Nano-Reactor gas flow rate and pressure. (A and C) have been reproduced from ref.[33]. Copyright 2022, Elsevier.