Rapid fabrication technique for interpenetrated ZnO nanotetrapod networks for fast UV sensors
Dawit Gedamu1, Ingo Paulowicz, Sören Kaps
1Functional Nanomaterials, Institute for Materials Science, University of Kiel, Kaiser Strasse 2, D-24143, Kiel, Germany.
Abstract:
Two flame-based synthesis methods are presented for fabricating ZnO-nanostructure-based UV photodetectors: burner flame transport synthesis (B-FTS)and crucible flame transport synthesis (C-FTS). B-FTS allows rapid growth of ZnO nanotetrapods and in situ bridging of them into electrical contacts. The photo detector made from interconnected ZnO nanotetrapod networks exhibits fast response/recovery times and a high current ratio under UV illumination.
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