Antireflection coatings with FeSi2 layer: Application to spectrally selective infrared emitter

Kaneko, Y.; Suzuki, Motofumi; Nakajima, K.; Kimura, Kenji; Akiyama, Kensuke; Harutsugu, K.; Wakabayashi, Hidenobu; Makino, Toshiro

doi:10.1016/j.phpro.2011.01.035

Cited by 6 publications

(3 citation statements)

References 8 publications

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“…[46][47][48][49][50] The applications of the nanostructures to the antireflection films are also considered. [51][52][53] Moreover, the nano-and microdomains could reduce the thermal conductivity in order to improve the efficiency of thermoelectric generators. [54][55][56] It is expected that the flowerlike Si structures will open various possibilities in future electronics.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of flowerlike Si nanostructures on Si substrates

Yuan¹,

Tamaki²,

Suzuki³

et al. 2017

Jpn. J. Appl. Phys.

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The flowerlike Si nanostructures rooted on Si(111) substrates were synthesized using MnCl2 and Si sources by chemical vapor deposition (CVD). These nanostructures consist of thin Si(111) sheets with a thickness of about 100 nm or less. Their structural properties were clarified in detail by transmission electron microscopy (TEM). Their photoluminescence (PL) measurements revealed that the band edge emission of Si clearly appeared, and dislocation-related emissions were hardly observed. PL spectra showed a thermally stimulated emission with an activation energy of 19 meV in the temperature range between 100 and 200 K. These results suggest that exciton and/or carrier trap centers exist inside the flowerlike Si nanostructures. It is expected that the nanostructures can be used for the improvement of energy devices.

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Section: Resultsmentioning

confidence: 99%

Synthesis of flowerlike Si nanostructures on Si substrates

Yuan¹,

Tamaki²,

Suzuki³

et al. 2017

Jpn. J. Appl. Phys.

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“…Recently, we have succeeded in realizing superior spectral selectivity in optical absorption by β-FeSi 2 thin films prepared on a stainless steel (SS) substrate (3). The absorption of the β-FeSi 2 /SS system can be maximized to more than 95% in the wavelength region between 2 μm and 12 μm.…”

Section: Introductionmentioning

confidence: 99%

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications

et al. 2013

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We propose a novel self-assembly process to fabricate periodic arrays of β-FeSi 2 nanopillars for photonic applications. Selfassembled monolayers of polystyrene nanospheres (PSNSs) are coated with SiO 2 by oblique evaporation at a deposition angle of 70°. After the PSNSs are removed by annealing in air at 650 °C, periodic arrays of SiO 2 nanospherical crowns (NSCs) remain. On the NSC template, Si and Fe are deposited alternatively at a deposition angle of 80° and a substrate temperature of 470 °C. Due to the strong shadowing effect, non-close-packed nanopillar arrays of β-FeSi 2 are successfully fabricated. Periodic arrays of β-FeSi 2 are useful to manipulate thermal and/or solar radiation.

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“…Recently, we have succeeded to realize superior spectral selectivity in the optical absorption by β-FeSi 2 thin films prepared on a stainless steel (SS) substrate. 1 The absorption of β-FeSi 2 /SS system can be maximized up to higher than 95% in a wavelength region between 2 μm and 12 μm. Good matching between the high refractive index of β-FeSi 2 and the optical admittance of SS is the key to achieve the spectrally selective absorption due to interference.…”

mentioning

confidence: 98%

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications

Kaneko,

Suzuki,

Nakajima

et al. 2012

Meet. Abstr.

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Antireflection coatings with FeSi2 layer: Application to spectrally selective infrared emitter

Cited by 6 publications

References 8 publications

Synthesis of flowerlike Si nanostructures on Si substrates

Synthesis of flowerlike Si nanostructures on Si substrates

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications

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Antireflection coatings with FeSi2 layer: Application to spectrally selective infrared emitter

Cited by 6 publications

References 8 publications

Synthesis of flowerlike Si nanostructures on Si substrates

Synthesis of flowerlike Si nanostructures on Si substrates

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi2 Nanopillars for Photonic Applications

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi2 Nanopillars for Photonic Applications

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Product

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Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications

Bottom-up Process to Fabricate Periodic Arrays of β-FeSi₂ Nanopillars for Photonic Applications