发光可逆热致变色mn掺杂Ca-Zn-Al-O无机材料的制备

IF 2.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Asian Ceramic Societies Pub Date : 2022-07-03 DOI:10.1080/21870764.2022.2094558

V. Loryuenyong, Pitsinee Juikatu, Pichanut Sirisukha, Ukrit Kumleing, A. Buasri

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引用次数: 0

摘要

摘要在本研究中，我们报道了用高温固态反应方法制备的Ca14Zn6Al10-xMnxO35（x=0,0.5,1.0,1.5,2）石榴石材料的热致变色和发光行为。所有样品的热变色性都显示出随着温度的变化颜色的逐渐可调性。然而，对于x=1和烧结温度为1200°C的Ca14Zn6Al10-xMnxO35样品，观察到了最佳的热致变色性能。当加热到500°C左右时，所得样品显示出从黄色到红黄色的可逆颜色变化。这是由于Mn4+和Mn5+在八面体和四面体位置的吸收带分别发生了变化。这些材料在大约710nm处也表现出深红色发射。发现杂质相的存在会降低样品的光学性能。

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The preparation of luminescent and reversible thermochromic Mn-doped Ca-Zn-Al-O inorganic materials

ABSTRACT In this research, we reported the thermochromic and luminescent behaviors of Ca14Zn6Al10-xMnxO35 (x = 0,0.5,1.0,1.5,2) garnet materials prepared by a high-temperature solid-state reaction method. Thermochromism of all samples showed gradual tunability of color with a change in temperature. However, the optimal thermochromic performance was observed for Ca14Zn6Al10-xMnxO35 samples with x = 1 and the sintering temperature of 1200°C. The resultant samples showed a reversible change in color from yellow to reddish yellow when heated to around 500°C. This was due to the changes in absorption bands of Mn4+ and Mn5+ in octahedral and tetrahedral sites, respectively. The materials also exhibited a deep red emission at around 710 nm. The existence of impurity phases was found to degrade the optical properties of the samples.

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来源期刊

Journal of Asian Ceramic Societies Materials Science-Ceramics and Composites

CiteScore

5.00

自引率

4.30%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Asian Ceramic Societies is an open access journal publishing papers documenting original research and reviews covering all aspects of science and technology of Ceramics, Glasses, Composites, and related materials. These papers include experimental and theoretical aspects emphasizing basic science, processing, microstructure, characteristics, and functionality of ceramic materials. The journal publishes high quality full papers, letters for rapid publication, and in-depth review articles. All papers are subjected to a fair peer-review process.