Extended Data Fig. 2: In situ Raman spectroscopy.
From: Electrocatalytic reactions involving aqueous nitrate and nitrite
a, Disassembled view of the in situ Raman electrochemical flow cell. b, A fully assembled flow cell configured with a three-electrode system: a catalyst-coated working electrode, a carbon rod counterelectrode and a reference electrode. c, Operational setup of the flow cell mounted under a Raman microscope with a 532-nm excitation laser for real-time spectral acquisition under electrochemical control.
