pH-sensitive tunable thermochromic hydrogel with carbon quantum dots for smart windows

Special Topic: Energy Systems of Low Carbon Buildings

Open Access

Figure 6

(A) Phase transition temperatures of HPC-PAA composite hydrogel under different pH levels; (B) UV-Vis-NIR transmission spectra of HPC-PAA/CDs composite hydrogel smart windows with pH 2.6 at 20 and 40°C at different thicknesses; solar transmittance spectra of HPC-PAA/CDs composite hydrogel smart windows with pHs of (C) 1, (D) 2, (E) 2.6, and (F) 3, respectively.

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