Metallic butterfly wing scales [electronic resource] : superstructures with high surface-enhancement properties for optical applications / Jiajun Gu, Di Zhang, Yongwen Tan.

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Metallic butterfly wing scales [electronic resource] : superstructures with high surface-enhancement properties for optical applications / Jiajun Gu, Di Zhang, Yongwen Tan.

9783319125350 electronic book
3319125354 electronic book
9783319125343
3319125346

Cham : Springer, [2015]

©2015

English

1 online resource : illustrations (some color).

10.1007/978-3-319-12535-0 doi

TA459 .G8 2015eb

620.16

This book presents a method for replicating natural butterfly wing scales using a variety of metals for state-of-the-art applications requiring high surface-enhancement properties. During the past decade, three dimensional (3D) sub-micrometer structures have attracted considerable attention for optical applications. These 3D subwavelength metallic structures are, however, difficult to prepare. By contrast, the 3D superstructures of butterfly wing scales, with more than 175 000 morphologies, are efficiently engineered by nature. Natural butterfly wing scales feature 3D sub-micrometer structures that are superior to many human designs in terms of structural complexity, reproducibility, and cost. Such natural wealth offers a versatile chemical route via the replication of these structures into functional metals. A single versatile chemical route can be used to produce butterfly scales in seven different metals. These synthesized structures have the potential for catalytic (Au, Pt, Pd), thermal (Ag, Au, Cu), electrical (Au, Cu, Ag), magnetic (Co, Ni), and optical (Au, Ag, Cu) applications. Plasmon-active Au, Cu, Ag butterfly scales have exhibited excellent properties in surface-enhanced Raman scattering (SERS). The Au scales as SERS substrates have ten times the analyte detection sensitivity and are one-tenth the cost of their human-designed commercial counterparts (KlariteTM). Preliminary mechanisms of these surface-enhancement phenomena are also reviewed.

Includes bibliographical references and index.

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Description based on online resource; title from PDF title page (viewed December 17, 2014).

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Print version: 9783319125343

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