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Fig. 1. (a) Schematic illustration for preparing PPy@PEI@A-CNF aerogel. SEM images of (b) A-CNF aerogel, (c) PEI@A-CNF aerogel and (d) PPy@PEI@A-CNF aerogel.

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Fig. 2. (a) Schematic diagram of SSG. (b) Mass changes of water as a function of solar irradiation time under 1.0 sun irradiation. (c) Surface temperature of A-CNF aerogel, PEI@A-CNF aerogel and PPy@PEI@A-CNF aerogel in the wet state as a function of solar irradiation time. (d) Water mass changes as a function of solar irradiation time for PPy@PEI@A-CNF aerogel at different optical concentrations. (e) Temperature changes as a function of irradiation time of PPy@PEI@A-CNF aerogel under different sunlight illumination on and off. (f) Water evaporation rate and efficiency of PPy@PEI@A-CNF aerogel at different optical concentrations.

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Fig. 3. (a) The ion content of the aqueous solution from Yellow Sea before and after the solar-driven desalination. The red line represents the maximum value of the corresponding ion content specified by WHO. (b) The ion rejection of the aqueous solution after the solar-driven desalination. (c) The stability of PPy@PEI@A-CNF aerogel under continuous desalination in the aqueous solution from simulated Dead Sea (10 wt% NaCl solution). The salt-resistant and self-desalting performance of PPy@PEI@A-CNF aerogel. (d) Photographs of the PPy@PEI@A-CNF aerogel during solar-driven desalination in the aqueous solution from simulated Dead Sea. (e) 0.5 g and (f) 1.0 g of NaCl were placed on the surface of PPy@PEI@A-CNF aerogel during solar-driven desalination of the aqueous solution from Yellow Sea. (g) The solar-driven desalination cycle capacity of PPy@PEI@A-CNF aerogel under 1.0 sun. (h) Desalination efficiency of PPy@PEI@A-CNF aerogel compared with that reported in previous studies.

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Fig. 4. (a) Concentrations of heavy metal ions before and after the solar-driven purification. The absorption spectra of (b) MO and (c) MB solutions (10 mg/l) before purification and the condensed pure water (insets in (b) and (c) were the optical photographs of MO and MB before and after purification). (d) The adsorption of MO and MB solutions (10 mg/l) by PPy@PEI@A-CNF aerogel. (e) Real-time adsorption of MO and MB solutions by PPy@PEI@A-CNF aerogel. (f) Schematic illustration of dye removal by PPy@PEI@A-CNF aerogel through physical adsorption.

ï¿½ï¿½ï¿½ï¿½ï¿½Ä«Iï¿½ï¿½Zhu R, Liu M, Fu S, et al. Salt-resistant Schiff base cross-linked superelastic photothermal cellulose aerogels for long-term seawater desalination [J]. Chemical Engineering Journal, 2021, 131618.

Zhu R, Liu M, Fu S, et al. Mussel-inspired photothermal synergetic system for clean water production using full-spectrum solar energy[J]. Chemical Engineering Journal, 2021, 423: 129099.

ï¿½ï¿½ï¿½ï¿½æœ½ï¿½: https://www.sciencedirect.com/science/article/pii/S1385894721031995

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