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Defect of 3D Organized Nano-Photonic Crystal and Its Forming Mechanism
Author(s): SUN Yu, GAO Jianxun, DONG Hongrong, JIANG Yong, KONG Xianghua, SHI Lin, CAI Minmin
Pages: 519-
522
Year: 2009
Issue:
6
Journal: Nanotechnology and Precision Engineering
Keyword: photonic crystal; defect; mechanism;
Abstract: 通过纳米小球自组装的方法制备获得了三维有序结构的聚苯乙烯(PS)蛋白石光子晶体.利用扫描电子显微镜(SEM)对蛋白石光子晶体的微观形貌进行表征,并利用透射光谱对蛋白石进行光学表征.结果表明,胶体自组装能够形成点缺陷、等边三角线缺陷和等边立方体缺陷,通过对最低能量和机理的探讨,得出导致这些缺陷形成的原因是折射率差异和光子带隙(PBG)位置的蓝移.
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