Selective Coloration of Melanin Nanospheres through Resonant Mie Scattering

Soojeong Cho, Tae Soup Shim, Ju Hyeon Kim, Dong Hyun Kim, Shin Hyun Kim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


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.

Original languageEnglish (US)
Article number1700256
JournalAdvanced Materials
Issue number22
StatePublished - Jun 13 2017


  • Mie scattering
  • melanin
  • nanospheres

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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