Graded-lattice AAO photonic crystal heterostructure for high Q refractive index sensing

Jungmin Lee; Kyuyoung Bae; Gumin Kang; Minjung Choi; Seunghwa Baek; Do Sik Yoo; Chang Won Lee; Kyoungsik Kim

doi:10.1039/c5ra15890g

Graded-lattice AAO photonic crystal heterostructure for high Q refractive index sensing

Jungmin Lee, Kyuyoung Bae, Gumin Kang, Minjung Choi, Seunghwa Baek, Do Sik Yoo, Chang Won Lee, Kyoungsik Kim

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We present a low-cost and versatile optical sensor based on anodic aluminum oxide (AAO) graded-lattice photonic crystal heterostructure (PCH) template controlled by voltage pulse and electrolyte temperature. Designed PCH shows high Q factor up to ∼55 from the first order side band peak in the reflectance spectra and vivid color change due to infiltrated analytes. Highly linear refractive index sensitivity "dλ/dn" up to 441 nm RIU^-1 could be obtained independent of analytes' polarities. Superb perceptual colorimetric sensing performance was attained up to 0.01 according to CIELab tristimulus mapping analysis.

Original language	English
Pages (from-to)	71770-71777
Number of pages	8
Journal	RSC Advances
Volume	5
Issue number	88
DOIs	https://doi.org/10.1039/c5ra15890g
Publication status	Published - 2015 Aug 14

Bibliographical note

Publisher Copyright:
© 2015 The Royal Society of Chemistry.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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abstract = "We present a low-cost and versatile optical sensor based on anodic aluminum oxide (AAO) graded-lattice photonic crystal heterostructure (PCH) template controlled by voltage pulse and electrolyte temperature. Designed PCH shows high Q factor up to ∼55 from the first order side band peak in the reflectance spectra and vivid color change due to infiltrated analytes. Highly linear refractive index sensitivity {"}dλ/dn{"} up to 441 nm RIU-1 could be obtained independent of analytes' polarities. Superb perceptual colorimetric sensing performance was attained up to 0.01 according to CIELab tristimulus mapping analysis.",

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AU - Lee, Jungmin

AU - Bae, Kyuyoung

AU - Kang, Gumin

AU - Choi, Minjung

AU - Baek, Seunghwa

AU - Yoo, Do Sik

AU - Lee, Chang Won

AU - Kim, Kyoungsik

PY - 2015/8/14

Y1 - 2015/8/14

N2 - We present a low-cost and versatile optical sensor based on anodic aluminum oxide (AAO) graded-lattice photonic crystal heterostructure (PCH) template controlled by voltage pulse and electrolyte temperature. Designed PCH shows high Q factor up to ∼55 from the first order side band peak in the reflectance spectra and vivid color change due to infiltrated analytes. Highly linear refractive index sensitivity "dλ/dn" up to 441 nm RIU-1 could be obtained independent of analytes' polarities. Superb perceptual colorimetric sensing performance was attained up to 0.01 according to CIELab tristimulus mapping analysis.

AB - We present a low-cost and versatile optical sensor based on anodic aluminum oxide (AAO) graded-lattice photonic crystal heterostructure (PCH) template controlled by voltage pulse and electrolyte temperature. Designed PCH shows high Q factor up to ∼55 from the first order side band peak in the reflectance spectra and vivid color change due to infiltrated analytes. Highly linear refractive index sensitivity "dλ/dn" up to 441 nm RIU-1 could be obtained independent of analytes' polarities. Superb perceptual colorimetric sensing performance was attained up to 0.01 according to CIELab tristimulus mapping analysis.

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Graded-lattice AAO photonic crystal heterostructure for high Q refractive index sensing

Abstract

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