Fig. 1. Chemical structures of the materials used in PSCLC

Fig. 2. Schematic diagram of PSCLC preparation process

Fig. 3. Schematic diagram of PSCLC electro-optic measurement system

Fig. 4. Schematic diagram of reflection bandwidth broadening by applying DC voltage

Fig. 5. Transmission spectra of the samples changes with voltage for different monomer concentration (mass fraction)(a) 2.8%，(b) 2%，(c) 1.5% and (d) 1%，respectively.

Fig. 6. λ_min and λ_maxchanged with the applied voltage in samples with monomer concentration (mass fraction)of (a) 2.8%，(b) 2%，(c) 1.5%，and (d) 1%.

Fig. 7. (a) Relationship between bandwidth and DC voltage of PSCLC system with different monomer concentrations； (b) Reflected bandwidth of samples with different monomer concentrations at the drive voltage of 7.5 V；(c) Electrically broadened driving voltage range for samples with different monomer concentrations.

Fig. 8. Transmission spectra of samples with voltage for different cell thicknesses of (a) 20 μm，(b) 30 μm and (c) 40 μm.

Fig. 9. λ_min and λ_max changes with the applied voltage in samples with cell thickness of (a) 20 μm，(b) 30 μm and (c) 40 μm.

Fig. 10. (a) Relationship between PSCLC reflection band with different cell thickness and DC voltage； (b) Reflected bandwidth of samples with different cell thickness at the drive voltage of 7.5 V； (c) Electrically broadened driving voltage range for samples with different cell thicknesses.

Fig. 11. Transmission spectra of samples with voltage for different UV absorption dye concentrations (mass fraction)of (a) 0%，(b) 0.4%，(c) 0.8%，(d) 1.2%，and (e)1.6%.

Fig. 12. Reversible dynamic bandgap broadening process of PSCLC devices