Journal
ADVANCED MATERIALS
Volume 29, Issue 22, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201700256
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Funding
- Midcareer Researcher Program [2014R1A2A2A01005813]
- X-Project [NRF-2016R1E1A2913875]
- Global Research Laboratory through an NRF - Ministry of Science, ICT and Future Planning (MSIP) [NRF-2015K1A1A2033054]
- National Research Foundation of Korea [2015K1A1A2033054, 2016R1E1A2913875] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Black melanin inks are prepared to selectively exhibit colors under strong light, inspired by human hair. High absorbance of melanin suppresses multiple scattering, causing resonant Mie scattering predominant. Various colors can be developed as the resonant wavelength dictated by nanosphere diameter. Therefore, the melanin inks can be used to encrypt and selectively disclose multicolor patterns for anticounterfeiting applications.
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