Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals

Toshimitsu Kanai; Shinoka Nakashima; Tomomi Oki

doi:10.1039/C9TC00680J

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Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals†

Toshimitsu Kanai,

*^a Shinoka Nakashima^a and Tomomi Oki^a

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* Corresponding authors

^a Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, Kanagawa 240-8501, Japan
E-mail: tkanai@ynu.ac.jp

Abstract

Polycrystalline colloidal crystals, that formed in a 50 μm-thick cell, blocked ultraviolet (UV) light of 290–400 nm, regardless of the incident angle, while maintaining transparency in the visible light region. These crystals have the potential to be employed in effective UV-protection products against the sun.

This article is part of the themed collection: Photonics

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Article information

DOI: https://doi.org/10.1039/C9TC00680J
Article type: Communication
Submitted: 29 جمادى الأولى 1440
Accepted: 08 شوال 1440
First published: 14 شوال 1440

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J. Mater. Chem. C, 2019,7, 7512-7515

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Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals

T. Kanai, S. Nakashima and T. Oki, J. Mater. Chem. C, 2019, 7, 7512 DOI: 10.1039/C9TC00680J

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Journal of Materials Chemistry C

Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals†

Abstract

Supplementary files

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Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals

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