A Transferrable, Adaptable, Free-Standing, and Water-Resistant Hyperbolic Metamaterial

• DOI: 10.1021/acsami.1c15481
• Publication Date: 2021-10-06T22:16:17Z
• Authors: Hung-I Lin; Hsiang-Yao Tan; Yu-Ming Liao; Kun-Ching Shen; Mikhail Y. Shalag...; Monika Kataria; Chih-Ting Chen; Jun-Wei Chang; Yang-Fang Chen
• Keywords: Random laser

Hyperbolic metamaterials (HMMs) have attracted significant attention due to the profound manipulation of photonic density states, resulting in efficient optoelectronic devices with enhanced light-matter interaction. HMMs are conventionally built on rigid large-size substrates poor conformability and absence flexibility. Here, we demonstrate a grating collageable HMM (GCHMM), which is composed eight alternating layers Au poly(methyl methacrylate) (PMMA) PMMA nanostructure containing quantum dots (QDs). The QDs serve as scattering gain medium performing random laser action, enhances extraction light from QDs. GCHMM action by 13 times, reduces lasing threshold 46%, increases differential efficiency 1.8 times compared planar HMM. In addition, can be retransferred multiple other well provide sufficient protection water still retain an excellent performance. It also shows stable functionality even when transferred dental floss. GCHMM, therefore, promises become versatile platform for foldable, adaptable, free-standing, water-resistant device applications.