fig9
Figure 9. Construction and tuning of rewritable photonic paper. (A) Scheme of the working principle; (B) Photographs of the photonic paper showing the writing, tuning, and erasing process; (C) Scheme of the microstructure; (D) Chemical structures of photoresponsive chiral switch ABA and chiral dopant S5011. Reproduced with the permission of Ref.[113] Copyright 2022, Wiley-VCH GmbH.
