红外与毫米波学报, 2010, 29 (3): 176, 网络出版: 2010-07-21  

FTO玻璃衬底上锆钛酸铅多层膜的微结构与光学特性

MICRO-STRUCTURES AND OPTICAL PROPERTIES OF PbZr0.4Ti0.6O3 MULTILAYER FILMS DEPOSITED ON FTO-COATED GLASS SUBSTRATE
作者单位
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
摘要
应用化学溶液沉积法,在涂布氟掺杂SnO2的玻璃衬底上制备了具有16个周期的PbZr0.4Ti0.6O3多层膜,并对其微结构与光学性能进行了研究.测试表明,玻璃基底上的PbZr0.4Ti0.6O3多层膜具有均匀、平整、致密和无裂纹的表面形貌,呈现出由致密层和多孔疏松层交替排列构成的层状结构,且具有单一钙钛矿相.在350~900nm的波长范围内,反射光谱曲线上存在一个中心波长位于450nm、带宽约为41nm、峰值反射率超过91%的高反射率带;与反射光谱相对应,在相同频段的透射光谱曲线上出现了一个与反射带等宽、中心波长位于450nm的透射谷,谷的最小透过率小于6%.这项研究进展对拓展铁电多层膜的应用范围将有积极作用.
Abstract
PbZr0.4Ti0.6O3 multilayer films with 16 periods deposited on the FTO-coated glass substrates were fabricated by using chemical solution deposition method. The micro-structures and optical properties of the multilayer films were investigated. The multilayer films exhibit a smooth, dense and crack-free surface morphology while having a layered structure consisting of dense and porous PbZr0.4Ti0.6O3 layers. The multilayer films show a single perovskite structure. The reflectance and transmittance spectra in the wavelength range of 350~900nm at room temperature display an optical reflection-band centered at 450nm, with a peak reflectivity of 91% and a stop-band width of 41nm, and a transmission valley at 450nm with the same band-width as the reflection band. The minimum of the transmittance is less than 6% in the valley. This investigation is helpful to enlarge the application scale of ferroelectric multilayer films.

张婷, 胡古今, 商景林, 孙艳, 褚君浩, 戴宁. FTO玻璃衬底上锆钛酸铅多层膜的微结构与光学特性[J]. 红外与毫米波学报, 2010, 29(3): 176. ZHANG Ting, HU Gu-Jin, SHANG Jing-Lin, SUN Yan, CHU Jun-Hao, DAI Ning. MICRO-STRUCTURES AND OPTICAL PROPERTIES OF PbZr0.4Ti0.6O3 MULTILAYER FILMS DEPOSITED ON FTO-COATED GLASS SUBSTRATE[J]. Journal of Infrared and Millimeter Waves, 2010, 29(3): 176.

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