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聚合物含量对锆钛酸铅多层膜光学特性的影响

Effect of polymer content on the optical properties of PbZr0.4Ti0.6O3 multilayers

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摘要

利用溶胶-凝胶法, 由添加高分子聚合物聚乙烯吡咯烷酮(PVP)的化学溶液制备了锆钛酸铅(PbZr0.4Ti0.6O3, PZT)多层膜, 研究了溶液中聚合物PVP的含量对多层膜光学性能的影响.测试表明, PZT多层膜呈现出由致密层和多孔层交替排布的层状结构, 在可见光区具有单一的高反射率带, 且反射带中心波长在一定范围内随着溶液中PVP浓度的升高向长波方向移动.在PVP的相对摩尔比为x=1.0时, 多层膜反射性能达到最优, 室温绝对反射率高达89%, 反射带宽为44nm.

Abstract

PbZr0.4Ti0.6O3 (PZT) multilayers were prepared by sol-gel method using chemical solutions containing polymer of Polyvinylpyrrolidone (PVP). Effects of PVP content on optical properties of PZT multilayers have been investigated. Tests demonstrated that these multilayers display a layered structure consisting of dense and porous PZT layers and these dense and porous layers are alternately arranged in the layered structure. The reflectance spectra in visible region exhibit a single optical reflection-band with high reflectivity. The central wavelength of the reflection-band shifts to longer wavelength with the increase of PVP concentration within a given polymer content range. The multilayer derived from chemical solution containing PVP with a relative molar ratio of x = 1.0 exhibits the optimal performance with highest optical reflectivity of 89% and largest stop-band width of 44 nm.

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中图分类号:O484

DOI:10.11972/j.issn.1001-9014.2015.03.008

基金项目:国家973重点基础研究发展计划(2012CB934300);国家自然科学基金项目(11174307、61290304 和 61275114)

收稿日期:2014-03-25

修改稿日期:2014-03-29

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作者单位    点击查看

丛 蕊:中国科学院上海技术物理研究所 红外物理国家重点实验室, 上海 200083
胡古今:中国科学院上海技术物理研究所 红外物理国家重点实验室, 上海 200083
俞国林:中国科学院上海技术物理研究所 红外物理国家重点实验室, 上海 200083
褚君浩:中国科学院上海技术物理研究所 红外物理国家重点实验室, 上海 200083
戴 宁:中国科学院上海技术物理研究所 红外物理国家重点实验室, 上海 200083

联系人作者:丛蕊(congrui@mail.sitp.ac.cn)

备注:丛蕊(1985-), 女, 黑龙江齐齐哈尔人, 博士, 主要研究领域为铁电基可调带隙光子器件和铁电基新型多功能薄膜材料的制备及物性研究.

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引用该论文

CONG Rui,HU Gu-Jin,YU Guo-Lin,CHU Jun-Hao,DAI Ning. Effect of polymer content on the optical properties of PbZr0.4Ti0.6O3 multilayers[J]. Journal of Infrared and Millimeter Waves, 2015, 34(3): 297-300

丛 蕊,胡古今,俞国林,褚君浩,戴 宁. 聚合物含量对锆钛酸铅多层膜光学特性的影响[J]. 红外与毫米波学报, 2015, 34(3): 297-300

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