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首页> 外文期刊>Journal of Sol-Gel Science and Technology >Periodic Structures of Organic-Titania Hybrid Materials Recorded by Multi-Beam Laser Interference Technique
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Periodic Structures of Organic-Titania Hybrid Materials Recorded by Multi-Beam Laser Interference Technique

机译：多光束激光干涉技术记录的有机二氧化钛杂化材料的周期性结构

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Photosensitive organic-titania hybrid materials have been prepared from metal alkoxides and various organic ester compounds with C=C double bonds.The refractive index of the film increases with the decrease of the concentration of the organic ester compound,and the highest refractive index of 1.62 is obtained when 2-hydroxymethyl acrylate (HOA) is used as the organic ester and the molar ratio of HOA to Ti is 0.5.The material with the highest refractive index is exposed to femtosecond pulse using the multi-beam laser interference technique.After laser irradiation,the irradiated parts of the material are photopolymerized and periodic structures can be obtained by development of the unirradiated parts.In the case of laser irradiation of 120muJ total energy for 5 min,the periodic structure obtained corresponds to 2D photonic crystal structure which is composed of two parts;the material with the highest refractive index and the air.
机译：用金属醇盐和各种具有C = C双键的有机酯化合物制备了光敏有机二氧化钛杂化材料。随着有机酯化合物浓度的降低，薄膜的折射率增加，最高折射率为1.62。当使用丙烯酸2-羟基甲基丙烯酸酯（HOA）作为有机酯且HOA与Ti的摩尔比为0.5时获得。使用多光束激光干涉技术将具有最高折射率的材料暴露于飞秒脉冲中。辐照时，材料的辐照部分进行光聚合，并通过显影未辐照的部分来获得周期性结构。在以120μJ总能量进行5分钟的激光辐照的情况下，所获得的周期性结构对应于2D光子晶体结构两部分中的一部分;具有最高折射率的材料和空气。

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