The Colour Violet: Chemistry or Physics?

Chemical Education

Authors

  • Catherine E. Housecroft Department of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, CH-4058 Basel;, Email: catherine.housecroft@unibas.ch

DOI:

https://doi.org/10.2533/chimia.2019.760

PMID:

31514779

Keywords:

Chemical education, Iridescence, Structural order, Violet pigments

Abstract

Violet iridescence in purple emperor butterflies arises from structural order in the wing-scales in contrast to the chemical pigments responsible for some violet colours in Nature.

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Published

2019-09-18