Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Multifunctional ferroelectric ceramic material and preparation method thereof
The invention discloses a multifunctional ferroelectric ceramic material and a preparation method thereof. The material belongs to a lead-free ferroelectric ceramic material with an ABO3 perovskite structure, and the chemical formula of the material is (1-x)Na0.5Bi0.497Sm0.003TiO3-xCaTiO3, wherein x is greater than or equal to 0 and less than or equal to 0.08. The material can generate macroscopicorange-red light under the excitation of blue light with the wavelength of 480 nm, and has photoluminescence performance. The material has excellent photoluminescence thermal stability at a temperature of 20-200 DEG C, has the advantages of favorable water resistance at room temperature, simple technique, low production cost, greenness and environment friendliness, has favorable ferroelectric/piezoelectric properties, can replace lead-based ceramics which are harmful to the ecological environment and widely used in the market, and has wide application prospects in the fields of photoelectricmultifunctional materials and devices.
本发明公开了一种多功能铁电陶瓷材料及其制备方法，该材料属于ABO钙钛矿结构的无铅铁电陶瓷材料，其化学式为(1‑x)NaBiSmTiO‑xCaTiO，其中0≤x≤0.08，该材料在蓝光480 nm波长激发下，能产生肉眼可见的橙红光，具有光致发光性能。本发明在20‑200C的温度范围内，光致发光的热稳定性优异，且在室温下具有良好的防水性，工艺简单、生产成本低、绿色环保，所得材料铁电/压电性能良好，可以取代对生态环境有危害且市面上广泛应用的铅基陶瓷，在光电多功能材料和器件领域具有广泛的应用前景。
Multifunctional ferroelectric ceramic material and preparation method thereof
The invention discloses a multifunctional ferroelectric ceramic material and a preparation method thereof. The material belongs to a lead-free ferroelectric ceramic material with an ABO3 perovskite structure, and the chemical formula of the material is (1-x)Na0.5Bi0.497Sm0.003TiO3-xCaTiO3, wherein x is greater than or equal to 0 and less than or equal to 0.08. The material can generate macroscopicorange-red light under the excitation of blue light with the wavelength of 480 nm, and has photoluminescence performance. The material has excellent photoluminescence thermal stability at a temperature of 20-200 DEG C, has the advantages of favorable water resistance at room temperature, simple technique, low production cost, greenness and environment friendliness, has favorable ferroelectric/piezoelectric properties, can replace lead-based ceramics which are harmful to the ecological environment and widely used in the market, and has wide application prospects in the fields of photoelectricmultifunctional materials and devices.
本发明公开了一种多功能铁电陶瓷材料及其制备方法，该材料属于ABO钙钛矿结构的无铅铁电陶瓷材料，其化学式为(1‑x)NaBiSmTiO‑xCaTiO，其中0≤x≤0.08，该材料在蓝光480 nm波长激发下，能产生肉眼可见的橙红光，具有光致发光性能。本发明在20‑200C的温度范围内，光致发光的热稳定性优异，且在室温下具有良好的防水性，工艺简单、生产成本低、绿色环保，所得材料铁电/压电性能良好，可以取代对生态环境有危害且市面上广泛应用的铅基陶瓷，在光电多功能材料和器件领域具有广泛的应用前景。
Multifunctional ferroelectric ceramic material and preparation method thereof
一种多功能铁电陶瓷材料及其制备方法
MA CHUNLIN (Autor:in) / TAN WEISHI (Autor:in) / CHEN GUIBIN (Autor:in) / ZHOU WEIPING (Autor:in) / ZHAI ZHANGYIN (Autor:in) / CHENG JU (Autor:in)
17.04.2020
Patent
Elektronische Ressource
Chinesisch
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