Electroluminescence and photoluminescence from nanostructured diatom frustules containing metabolically inserted germanium

Jeffryes, Clayton;Solanki, Raj;Rangineni, Yaswanth;Wang, Wei;Rorrer, Gregory L.;et.al.
(2008) Advanced Materials — Vol. 20, n° 13, p. 2633 (2008)

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Authors
  • Jeffryes, ClaytonUCLouvain
    Author
  • Solanki, Raj
    Author
  • Rangineni, Yaswanth
    Author
  • Wang, Wei
    Author
  • Rorrer, Gregory L.
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Abstract
Diatoms are single-celled algae that possess silica shells called "frustules" decorated with periodic structures ordered at the micro- and nanoscale. Diatom biosilica containing metabolically inserted germanium is used to fabricate an electroluminescent (EL) thin film device (see figure). The EL spectrum has a series of sharp UV line emissions at 340-380 nm and weaker bands in the blue and red range.
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Jeffryes, C., Solanki, R., Rangineni, Y., Wang, W., Chang, C.-h., & Rorrer, G. L. (2008). Electroluminescence and photoluminescence from nanostructured diatom frustules containing metabolically inserted germanium. Advanced Materials, 20(13), 2633. https://doi.org/10.1002/adma.200800292 (Original work published 2008)