Abstract
Inspired by the porous scale of the bright white beetle Cyphochilus, a polymerization-induced phase separation method is proposed to fabricate bioinspired high-scattering polymer films with porous structures. With an optimized formulation, the porous films with a mean pore size of ${\sim}{200}\; {\rm nm}$ feature a broadband reflectance of ${\sim}{71}\%$ at a thickness of 16 µm and are measured to have a transport mean free path of ${\sim}{3}\;\unicode{x00B5}{\rm m}$. The porous films with high reflectivity enable the application on light-emitting diodes and have great potential in other similar optoelectronic fields.
© 2020 Optical Society of America
Full Article | PDF ArticleMore Like This
Shudong Yu, Jiadong Yu, Junchi Chen, Xinrui Ding, Jiasheng Li, Longshi Rao, Yong Tang, and Zongtao Li
Appl. Opt. 59(14) 4533-4541 (2020)
Hao-Yu Lan, I-Chen Tseng, Yung-Hsiang Lin, Gong-Ru Lin, Ding-Wei Huang, and Chao-Hsin Wu
Opt. Lett. 45(8) 2203-2206 (2020)
Binghui Li, Hau Ping Chan, Kazi Tanvir Ahmmed, Liangjun He, Shuyan Zhu, and Qiang Wu
Opt. Lett. 45(24) 6643-6646 (2020)