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Proceedings Paper

Nanowire-based metamaterials electrodes for extremely fast charge collection
Author(s): Yuyi Feng; Paul Kim; Clayton A. Nemitz; Kwang-Dae Kim; Yoonseok Park; Karl Leo; James Dorman; Jonas Weickert; Yongtian Wang; Lukas Schmidt-Mende
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Paper Abstract

Metallic nanorod metamaterials, arrays of vertically aligned nanorods embedded in an alumina matrix (diameter ~80 nm, length 100-250 nm, period ~113 nm), have recently emerged as a flexible platform for applications in photonics, optoelectronics and sensing. The optical constants for these nanostructured materials are directly associated with their crystallinity. Controlling the crystallinity of these metamaterials in a fast manner has presented a new challenge. Here we show a laser annealing with a pulsed Nd:YAG laser (λ = 532 nm, FWHM 15 ns) to rapidly change the crystallinity of the metallic nanorods. The small column X-Ray diffraction characterization shows that not only the crystallinity of the metallic nanorods is changed, but also that evaporation of the metal occurs with laser annealing.

Paper Details

Date Published: 25 October 2018
PDF: 9 pages
Proc. SPIE 10824, Plasmonics III, 1082409 (25 October 2018); doi: 10.1117/12.2501666
Show Author Affiliations
Yuyi Feng, Beijing Institute of Technology (China)
Univ. of Konstanz (Germany)
Paul Kim, Univ. of California, Berkeley (United States)
Clayton A. Nemitz, Univ. of North Carolina, Chapel Hill (United States)
Kwang-Dae Kim, Univ. Konstanz (Germany)
Yoonseok Park, TU Dresden (Germany)
Karl Leo, TU Dresden (Germany)
James Dorman, Louisiana State Univ. (United States)
Jonas Weickert, Univ. Konstanz (Germany)
Yongtian Wang, Beijing Institute of Technology (China)
Lukas Schmidt-Mende, Univ. Konstanz (Germany)

Published in SPIE Proceedings Vol. 10824:
Plasmonics III
Hongxing Xu; Satoshi Kawata; David J. Bergman, Editor(s)

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