Fig. 2: The synthesis and characterization of PIL and PCP. | Nature Communications

Fig. 2: The synthesis and characterization of PIL and PCP.

From: Bioinspired photothermal zwitterionic fibrous membrane for high-efficiency solar desalination and electricity generation

Fig. 2

a The synthetic process of PIL. b The synthetic process of PCP. c The 1H NMR spectrum of PIL, 1H NMR (400 MHz, Deuterium Oxide) δ 9.02 (t, J = 1.7 Hz, 1H), 7.73 (t, J = 2.0 Hz, 1H), 7.56 (t, J = 1.9 Hz, 1H), 7.08 (dd, J = 15.6, 8.7 Hz, 1H), 5.74 (dd, J = 15.6, 2.8 Hz, 1H), 5.36 (dd, J = 8.7, 2.8 Hz, 1H), 4.35 (t, J = 7.2 Hz, 2H), 2.88 (dd, J = 8.2, 6.6 Hz, 2H), 2.28 (p, J = 7.3 Hz, 2H). d The FTIR image of PCP and CB. e The Mott-Schottky curves of PCP. f The N2 adsorption/desorption curve and nonlocal density functional theory images of PCP. g The absorbance of PCP in the wavelength range 200-1400 nm (comparison with AM1.5 standard solar spectrum). h The surface temperature variation curve and the maximum temperature image of PCP at 1 kW m−2.

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