期刊
OPTICAL MATERIALS
卷 36, 期 2, 页码 562-567出版社
ELSEVIER
DOI: 10.1016/j.optmat.2013.10.035
关键词
Photoluminescent ZnO-tetrapods; Anisotropic green emission; Biomorphic Al2O3
资金
- Brazilian Council for Scientific and Technological Development (CNPq)
In this work biomorphic Al2O3 with microcellular morphology was produced by biotemplating of rattan and coating with ZnO tetrapods (T-ZnO). The morphological features of the biomorphic ceramics were evaluated, as well as the photoluminescent properties of the final device. The T-ZnO-coated microvessels of rattan metaxylem acted as structural guides for the directional travel of light. Therefore, the intensity of the green emission was controlled through orientation of the device with respect to the microvessels axis. Microcellular ceramics coated with functional materials such as ZnO can be used to design novel optoelectronic sensing devices in applications that require control of the emitted luminescence signal. (C) 2013 Elsevier B.V. All fights reserved.
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