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采用改进的佩琴尼法制备的掺镨钙钛矿双相陶瓷BaCaTiZrO的合成与光致发光性能

Synthesis and Photoluminescence Properties of Pr-Doped BaCaTiZrO Perovskite Diphasic Ceramics Obtained by the Modified Pechini Method.

作者信息

Wilk Agnieszka, Kozielski Lucjan, Michalik Daniel, Kozień Dawid, Makowska Jolanta, Pędzich Zbigniew

机构信息

Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH-University of Science and Technology, 30 Mickiewicza Avenue, 30-059 Krakow, Poland.

Faculty of Science and Technology, University of Silesia, 1A 75 Pułku Piechoty St., 41-500 Chorzów, Poland.

出版信息

Materials (Basel). 2022 Jan 29;15(3):1058. doi: 10.3390/ma15031058.

DOI:10.3390/ma15031058
PMID:35161003
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8839530/
Abstract

The Pr-doped solid solutions from (Ba,Ca)(Ti,Zr)O (BCTZO) system were successfully synthesized using an efficient and low-energy consuming route-the Pechini method combined with the sintering at relatively low temperature (1450 °C). The obtained materials were characterized by means of X-ray diffraction (XRD) and scanning electron microscopy (SEM). The dielectric properties were systematically studied. The Pr-doped BCTZO diphasic material generates intense and broad red photoluminescence (PL) emission at room temperature. The optical properties were significantly improved with the Ti substitution by Zr ions. As a result, the Pr-doped (Ba,Ca)(Ti,Zr)O ceramics is a promising candidate for environmentally friendly, multifunctional material by combining good dielectric and photoluminescent properties with prognosis for the manifestation of strong photoluminescent and mechanoluminescent effects.

摘要

采用一种高效且低能耗的方法——佩琴尼法，并结合相对低温（1450℃）烧结，成功合成了（Ba,Ca）（Ti,Zr）O（BCTZO）体系的掺镨固溶体。通过X射线衍射（XRD）和扫描电子显微镜（SEM）对所得材料进行了表征。系统研究了其介电性能。掺镨的BCTZO双相材料在室温下产生强烈且宽泛的红色光致发光（PL）发射。通过用Zr离子取代Ti，光学性能得到显著改善。因此，掺镨的（Ba,Ca）（Ti,Zr）O陶瓷通过将良好的介电和光致发光性能与强发光和机械发光效应表现的预后相结合，是一种有前景的环保多功能材料候选物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/b385aec3de2d/materials-15-01058-g007a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/b385aec3de2d/materials-15-01058-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/f3c73ea275a5/materials-15-01058-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/3ff4f931ec09/materials-15-01058-g002a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/838921b2f506/materials-15-01058-g003a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5072/8839530/b385aec3de2d/materials-15-01058-g007a.jpg

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本文引用的文献

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A Review of Mechanoluminescence in Inorganic Solids: Compounds, Mechanisms, Models and Applications.无机固体中的机械发光综述：化合物、机理、模型及应用
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Color Control of Pr Luminescence by Electron-Hole Recombination Energy Transfer in CaTiO and CaZrO.通过CaTiO和CaZrO中电子-空穴复合能量转移实现Pr发光的颜色控制。
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光铁电材料不仅仅是其各部分的简单总和。
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