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Proceedings Paper

ZnO core spike particles and nano-networks and their wide range of applications
Author(s): S. Wille; Y. K. Mishra; D. Gedamu; S. Kaps; X. Jin; T. Koschine; A. Bathnagar; R. Adelung
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Paper Abstract

In our approach we are producing a polymer composite material with ZnO core spike particles as concave fillers. The core spike particles are synthesized by a high throughput method. Using PDMS (Polydimethylsiloxane) as a matrix material the core spike particles achieve not only a high mechanical reinforcement but also influence other material properties in a very interesting way, making such a composite very interesting for a wide range of applications. In a very similar synthesis route a nanoscopic ZnO-network is produced. As a ceramic this network can withstand high temperatures like 1300 K. In addition this material is quite elastic. To find a material with these two properties is a really difficult task, as polymers tend to decompose already at lower temperatures and metals melt. Especially under ambient conditions, often oxygen creates a problem for metals at these temperatures. If this material is at the same time a semiconductor, it has a high potential as a multifunctional material. Ceramic or classical semiconductors like III-V or IIVI type are high temperature stable, but typically brittle. This is different on the nanoscale. Even semiconductor wires like silicon with a very small diameter do not easily built up enough stress that leads to a failure while being bent, because in a first order approximation the maximum stress of a fiber scales with its diameter.

Paper Details

Date Published: 3 May 2011
PDF: 10 pages
Proc. SPIE 8068, Bioelectronics, Biomedical, and Bioinspired Systems V; and Nanotechnology V, 806816 (3 May 2011); doi: 10.1117/12.886963
Show Author Affiliations
S. Wille, Christian-Albrechts-Univ. zu Kiel (Germany)
Y. K. Mishra, Christian-Albrechts-Univ. zu Kiel (Germany)
D. Gedamu, Christian-Albrechts-Univ. zu Kiel (Germany)
S. Kaps, Christian-Albrechts-Univ. zu Kiel (Germany)
X. Jin, Christian-Albrechts-Univ. zu Kiel (Germany)
T. Koschine, Christian-Albrechts-Univ. zu Kiel (Germany)
A. Bathnagar, Christian-Albrechts-Univ. zu Kiel (Germany)
R. Adelung, Christian-Albrechts-Univ. zu Kiel (Germany)

Published in SPIE Proceedings Vol. 8068:
Bioelectronics, Biomedical, and Bioinspired Systems V; and Nanotechnology V
Ángel B. Rodríguez-Vázquez; Rainer Adelung, Editor(s)

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