均一沉淀法云母片被覆TiO2

摘要/Abstract

摘要： 利用硫酸氧钛和尿素的均一沉淀反应法,在天然矿物云母片上被覆TiO₂薄膜,讨论了薄膜形成原理及影响膜层结构的工艺因素.分阶段控制反应温度和时间有利于控制析出粒子形态和膜厚,可获得均匀致密的膜,不同厚度的膜层因光学干涉效应显示出各种色彩.

关键词: 云母片, TiO₂膜, 均一沉淀法

Abstract: The natural mica slice was coated with TiO₂ by the homogeneous precipitationmethod in which titanyl sulfate(TiOSO₄) and urea were used as raw material.The forma-tion of the thin film and the technological factors influencing the film structure were studied.The adjustment of the temperature and time of the precipitation reaction in various stagesfavoured the control on the morphology of precipitated particles and the thickness of film layer,resulting to even and dense films.Owing to the optical interference effect,films with different thickness display various color.

Key words: mica slice, TiO₂ thin film, homogeneous precipitation

徐明霞, 加藤昭夫. 均一沉淀法云母片被覆TiO₂[J]. 应用化学, 1995, 0(6): 38-41.

Xu Mingxia, Kato Akio. Preparation of TiO₂-Coated Mica by Homogeneous Precipitation[J]. Chinese Journal of Applied Chemistry, 1995, 0(6): 38-41.

均一沉淀法云母片被覆TiO₂

Preparation of TiO₂-Coated Mica by Homogeneous Precipitation

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