期刊
NANOTECHNOLOGY
卷 27, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/27/1/015203
关键词
laser transfer; nano-structures; aluminum; electrical transport; functional printing; plastic electronics
资金
- European Union [314362]
We study the electrical properties of aluminum structures printed by the laser forward transfer of molten, femtoliter droplets in air. The resulting printed material is an aluminum/aluminum-oxide nano-composite. By controlling the printing conditions, and thereby the droplet volume, its jetting velocity and duration, it is possible to tune the electrical resistivity to a large extent. The material resistivity depends on the degree of oxidation which takes place during jetting and on the formation of electrical contact points as molten droplets impact the substrate. Evidence for these processes is provided by FIB cross sections of printed structures.
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