Simplified sedimentation process for 3D photonic thick layers/bulk crystals with a stop-band in the visible range

François Bresson, Chii Chang Chen, Gou Chung Chi, Yu Wen Chen

研究成果: 雜誌貢獻期刊論文同行評審

13 引文 斯高帕斯(Scopus)

摘要

Self-organization of nano-size spherical particles in opal-like structures has been demonstrated to be a powerful mean to build three-dimensional (3D) photonic crystal. We here present a simplified sedimentation process leading to photonic crystal layer with a non-absolute bandgap in the visible range. The stacking organization is cross checked directly by classical optical microscopy (COM), atomic force microscopy (AFM) and scanning electron microscopy (SEM), giving a detailed scheme of the short range and long range organization, and indirectly by reflection/transmission spectroscopy for different incidence angles. The results show a very good resonance associated with a low cost deposition technique. The implementation of our method for further application like photonic waveguides is also discussed.

原文???core.languages.en_GB???
頁(從 - 到)281-288
頁數8
期刊Applied Surface Science
217
發行號1-4
DOIs
出版狀態已出版 - 15 7月 2003

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