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. 2024 Nov 30;7:282. doi: 10.1038/s42004-024-01366-1

Fig. 2. H2O desorption from VPC-1 upon irradiation of IR pulses.

Fig. 2

a Time-course change in diffuse reflectance of VPC-1 at 532 nm. The IR pulse (1449 cm–1) was cast at t = 0 s with a repetition rate of 2 Hz. Inset shows the magnified image at t = 0 s. b Plot of the diffuse reflectance as a function of energy density (E) of the incident IR pulse (1380 cm–1). Dotted lines are eye guides, and their crossing point indicates the threshold E (Eth) for the H2O desorption. c Plot of Eth as a function of the wavenumber of the incident IR pulse (red circles) and transmittance spectrum of VPC-1 (blue curve).