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Super black and ultrathin amorphous carbon film inspired by anti-reflection architecture in butterfly wing

Zhao, Qibin ; Fan, Tongxiang ; Ding, Jian ; Zhang, Di ; Guo, Qixin ; Kamada, Masao

Carbon (New York), 2011-03, Vol.49 (3), p.877-883 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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  • Título:
    Super black and ultrathin amorphous carbon film inspired by anti-reflection architecture in butterfly wing
  • Autor: Zhao, Qibin ; Fan, Tongxiang ; Ding, Jian ; Zhang, Di ; Guo, Qixin ; Kamada, Masao
  • Assuntos: Architecture ; Butterflies ; Carbon ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Finite difference time domain method ; Fullerenes and related materials; diamonds, graphite ; Glassy carbon ; Inverse ; Materials science ; Nanomaterials ; Nanostructure ; Physics ; Specific materials ; Vanadium
  • É parte de: Carbon (New York), 2011-03, Vol.49 (3), p.877-883
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Inverse V-type anti-reflection structure was discovered in black wings of butterfly Ornithoptera goliath and then successfully transferred into a-C film, which absorbs approximately 99% of incident light with only 1% reflection comparable to the reported darkest materials while with a thickness of only 15% of those materials. [Display omitted] ► Butterfly wing inspires the anti-reflection surface. ► Super black and ultrathin amorphous carbon film. ► Theoretical and experimental verification. An ultrathin and super black amorphous carbon (a-C) film has been fabricated by borrowing the inverse V-type anti-reflection nano-architecture from the black wings of butterfly Ornithoptera goliath through vacuum sintering process. The biomimetic a-C film shows good optical absorption (99%) at low reflectance (<1%) in visible light (380–795 nm), which is comparable to the previously fabricated darkest materials, while with a thickness (5 μm) of only 15% of those materials. Experimental results as well as theoretical simulation which is based on finite difference time domain method (FDTD) show that reflection of the fabricated inverse V-type structured a-C film is merely 1/13 of that of the flat surface a-C film, and 1/8 of that of glassy carbon. Complex refractive index of the derived a-C for visible light (380–795 nm) has also been calculated.
  • Editor: Kidlington: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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