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Schematic of USAXS/SAXS/WAXS liquid flow-cell arrangement, together with USAXS/SAXS data showing increasing NP size as outer regions of AgNPs are replaced by Ag2S (data moving to left with time), and WAXS (XRD) data with decreasing (blue arrows) Ag peaks and increasing (red arrows) Ag2S peaks, as the sulfidation reactions proceed. In both right hand plots the traces go from violet at earliest sulfidation times to red at latest times.
