Bio-inspired, colorful, flexible, defrostable light-scattering hybrid films for the effective distribution of LED light

Seongpil An, Hong Seok Jo, Yong Il Kim, Kyo Yong Song, Min Woo Kim, Kyu Bum Lee, Alexander Yarin, Suk Goo Yoon

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Bioluminescent jellyfish has a unique structure derived from fiber/polymer interfaces that is advantageous for effective light scattering in the dark, deep sea water. Herein, we demonstrate the fabrication of bio-inspired hybrid films by mimicry of the jellyfish's structure, leading to excellent light-scattering performance and defrosting capability. A haze value reaching 59.3% and a heating temperature of up to 292 °C were achieved with the films. Accordingly, the developed surface constitutes an attractive optical device for lighting applications, especially for street or vehicle luminaries for freezing Arctic-climate countries. The morphological details of the hybrid films were revealed by scanning electron microscopy. The light-scattering properties of these films were examined by ultraviolet-visible-infrared spectrophotometry and anti-glare effect analyses. The defrosting performance of the hybrid films was evaluated via heating tests and infra-red observations.

Original languageEnglish
Pages (from-to)9139-9147
Number of pages9
JournalNanoscale
Volume9
Issue number26
DOIs
Publication statusPublished - 2017 Jul 14

ASJC Scopus subject areas

  • Materials Science(all)

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