4.8 Article

Flexible, Angle-Independent, Structural Color Reflectors Inspired by Morpho Butterfly Wings

Journal

ADVANCED MATERIALS
Volume 24, Issue 18, Pages 2375-2379

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201200521

Keywords

morpho butterfly; structural colors; flexible thin-films; disordered nanostructures; angle-independent reflectors

Funding

  1. MEST [2011-0029868, 2009-0087691]
  2. WCU (World Class University) [R31-2008-000-10071-0]
  3. NRF (NRF, Global Research Laboratory) [K20815000003]
  4. CRI of MEST
  5. National Research Foundation of Korea [2009-0087691, 2010-0029255, 2006-0050630, R32-2012-000-10142-0, R31-2012-000-10071-0, 2008-00580] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Thin-film color reflectors inspired by Morpho butterflies are fabricated. Using a combination of directional deposition, silica microspheres with a wide size distribution, and a PDMS (polydimethylsiloxane) encasing, a large, flexible reflector is created that actually provides better angle-independent color characteristics than Morpho butterflies and which can even be bent and folded freely without losing its Morpho-mimetic photonic properties.

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