Biopolymer templated glass with a twist

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Biopolymer templated glass with a twist

Description Researchers fabricated nanoporous glass films using nanocrystals of cellulose, the main component of pulp and paper. The unique, helical structure of cellulose is replicated in a mineral. This helical organization synthetically mimics the structure of the exoskeletons of some iridescent beetles. Introducing porosity into photonic crystals provides a means to tune their optical properties by infiltrating the pores with various guests: When certain liquids are added to the film, the liquid gets trapped in the pores and changes the optical properties of the films.
Imported on 22 Aug 2013, 11:06
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