High conductivity Sepia melanin ink films for environmentally benign printed electronics.

ABSTRACT: Melanins (from the Greek μέλας, mélas, black) are bio-pigments ubiquitous in flora and fauna. Eumelanin is an insoluble brown-black type of melanin, found in vertebrates and invertebrates alike, among which Sepia (cuttlefish) is noteworthy. Sepia melanin is a type of bio-sourced eumelanin that can readily be extracted from the ink sac of cuttlefish. Eumelanin features broadband optical absorption, metal-binding affinity and antioxidative and radical-scavenging properties. It is a prototype of benign material for sustainable organic electronics technologies. Here, we report on an electronic conductivity as high as 10^-3 S cm^-1 in flexographically printed Sepia melanin films; such values for the conductivity are typical for well-established high-performance organic elect

SUBMITTER: Camus A 

PROVIDER: S-EPMC9371694 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature