Highly tunable refractive index visible-light metasurface from block copolymer self-assembly

Ju Young Kim; Hyowook Kim; Bong Hoon Kim; Taeyong Chang; Joonwon Lim; Hyeong Min Jin; Jeong Ho Mun; Young Joo Choi; Kyungjae Chung; Jonghwa Shin; Shanhui Fan; Sang Ouk Kim

doi:10.1038/ncomms12911

Nature Communications (Sep 2016)

Highly tunable refractive index visible-light metasurface from block copolymer self-assembly

Ju Young Kim,
Hyowook Kim,
Bong Hoon Kim,
Taeyong Chang,
Joonwon Lim,
Hyeong Min Jin,
Jeong Ho Mun,
Young Joo Choi,
Kyungjae Chung,
Jonghwa Shin,
Shanhui Fan,
Sang Ouk Kim

Affiliations

Ju Young Kim: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Hyowook Kim: Department of Materials Science and Engineering, KAIST
Bong Hoon Kim: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Taeyong Chang: Department of Materials Science and Engineering, KAIST
Joonwon Lim: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Hyeong Min Jin: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Jeong Ho Mun: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Young Joo Choi: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST
Kyungjae Chung: Department of Materials Science and Engineering, KAIST
Jonghwa Shin: Department of Materials Science and Engineering, KAIST
Shanhui Fan: Department of Electrical Engineering, Stanford University
Sang Ouk Kim: Department of Materials Science and Engineering, National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, KAIST

DOI: https://doi.org/10.1038/ncomms12911
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 9

Abstract

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Wider control of the refractive index is desired for new optical applications. Here the authors manipulate block copolymer self-assembled nanopatterns via shrinkage in order to control the refractive index. They achieve an index above 3 over 1,000 nm bandwidth.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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