Broad-range tunable iridescence
Vertical pressure directs cellulose nanocrystal self-assembly into films with simultaneous pearlescence, iridescence, and specular reflection, whose chiroptical appearance is designable and reproducible.
Wang, Zhaolu · Chu, Jiao · Shi, Lei · Xing, Tingyang · Gao, Xiaoqing · Xu, Yan
Small 2023
Simultaneous reflection of rainbow colors and an on-demand color of left-handed polarized light
Angle-dependent wavelength and polarization state of reflected light
Reproducible optical appearance with high fidelity