Transparent Long-Pass Filter with Short-Wavelength Scattering Based on Morpho Butterfly Nanostructures

Niraj N. Lal; Kevin N. Le; Andrew F. Thomson; Maureen Brauers; Thomas P. White; Kylie R. Catchpole

doi:10.1021/acsphotonics.6b01007

Transparent Long-Pass Filter with Short-Wavelength Scattering Based on Morpho Butterfly Nanostructures

Niraj N. Lal^*, Kevin N. Le, Andrew F. Thomson, Maureen Brauers, Thomas P. White, Kylie R. Catchpole

^*Corresponding author for this work

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

13 Citations (Scopus)

Abstract

We combine the principles of moth-eye antireflection, Bragg scattering, and thin-film interference to design and fabricate a short-wavelength scattering/long-pass filter with sharp cutoff, high transmission of infrared light, and strong reflection of visible light into high angles. Based on the lamellae-edge features on Morpho didius butterfly wings, nanostructures are self-assembled via sequential one-chamber chemical vapor deposition, metal nanoparticle formation, and wet-chemical etching. Finite-element modeling demonstrates strong (>45%) reflection into the first diffracted order for short wavelengths, while retaining >80% transmission for longer wavelengths. Fabricated nanostructures couple more than 50% of reflected light into angles of >10° while enabling broadband long-pass transmission. Such structures have potential applications in light trapping for tandem solar cells, stealth, and signals processing.

Original language	English
Pages (from-to)	741-745
Number of pages	5
Journal	ACS Photonics
Volume	4
Issue number	4
DOIs	https://doi.org/10.1021/acsphotonics.6b01007
Publication status	Published - 19 Apr 2017

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title = "Transparent Long-Pass Filter with Short-Wavelength Scattering Based on Morpho Butterfly Nanostructures",

abstract = "We combine the principles of moth-eye antireflection, Bragg scattering, and thin-film interference to design and fabricate a short-wavelength scattering/long-pass filter with sharp cutoff, high transmission of infrared light, and strong reflection of visible light into high angles. Based on the lamellae-edge features on Morpho didius butterfly wings, nanostructures are self-assembled via sequential one-chamber chemical vapor deposition, metal nanoparticle formation, and wet-chemical etching. Finite-element modeling demonstrates strong (>45%) reflection into the first diffracted order for short wavelengths, while retaining >80% transmission for longer wavelengths. Fabricated nanostructures couple more than 50% of reflected light into angles of >10° while enabling broadband long-pass transmission. Such structures have potential applications in light trapping for tandem solar cells, stealth, and signals processing.",

keywords = "Morpho butterfly, light trapping, optical filter, optical scattering, tandem solar cell",

author = "Lal, {Niraj N.} and Le, {Kevin N.} and Thomson, {Andrew F.} and Maureen Brauers and White, {Thomas P.} and Catchpole, {Kylie R.}",

note = "Publisher Copyright: {\textcopyright} 2017 American Chemical Society.",

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doi = "10.1021/acsphotonics.6b01007",

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T1 - Transparent Long-Pass Filter with Short-Wavelength Scattering Based on Morpho Butterfly Nanostructures

AU - Lal, Niraj N.

AU - Le, Kevin N.

AU - Thomson, Andrew F.

AU - Brauers, Maureen

AU - White, Thomas P.

AU - Catchpole, Kylie R.

PY - 2017/4/19

Y1 - 2017/4/19

N2 - We combine the principles of moth-eye antireflection, Bragg scattering, and thin-film interference to design and fabricate a short-wavelength scattering/long-pass filter with sharp cutoff, high transmission of infrared light, and strong reflection of visible light into high angles. Based on the lamellae-edge features on Morpho didius butterfly wings, nanostructures are self-assembled via sequential one-chamber chemical vapor deposition, metal nanoparticle formation, and wet-chemical etching. Finite-element modeling demonstrates strong (>45%) reflection into the first diffracted order for short wavelengths, while retaining >80% transmission for longer wavelengths. Fabricated nanostructures couple more than 50% of reflected light into angles of >10° while enabling broadband long-pass transmission. Such structures have potential applications in light trapping for tandem solar cells, stealth, and signals processing.

AB - We combine the principles of moth-eye antireflection, Bragg scattering, and thin-film interference to design and fabricate a short-wavelength scattering/long-pass filter with sharp cutoff, high transmission of infrared light, and strong reflection of visible light into high angles. Based on the lamellae-edge features on Morpho didius butterfly wings, nanostructures are self-assembled via sequential one-chamber chemical vapor deposition, metal nanoparticle formation, and wet-chemical etching. Finite-element modeling demonstrates strong (>45%) reflection into the first diffracted order for short wavelengths, while retaining >80% transmission for longer wavelengths. Fabricated nanostructures couple more than 50% of reflected light into angles of >10° while enabling broadband long-pass transmission. Such structures have potential applications in light trapping for tandem solar cells, stealth, and signals processing.

KW - Morpho butterfly

KW - light trapping

KW - optical filter

KW - optical scattering

KW - tandem solar cell

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U2 - 10.1021/acsphotonics.6b01007

DO - 10.1021/acsphotonics.6b01007

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EP - 745

JO - ACS Photonics

JF - ACS Photonics

IS - 4

ER -

Transparent Long-Pass Filter with Short-Wavelength Scattering Based on Morpho Butterfly Nanostructures

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