Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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Preparation method of double perovskite doped silver ion photochromic ceramic powder
The invention relates to the technical field of photochromic materials, in particular to a preparation method of double perovskite doped silver ion photochromic ceramic powder, which comprises the following steps: grinding and uniformly mixing high-purity BaCO3, La2O3, Nb2O5 and Ag2O to obtain mixed powder A; placing the mixed powder A at the temperature of 1350 DEG C and in an air atmosphere for high-temperature sintering for 6 hours, and grinding to obtain Ba2LaNbO6: Ag < + > photochromic ceramic powder; the Ba2LaNbO6: Ag < + > photochromic ceramic powder can be quickly changed from white to pink under the irradiation of a 365 nm ultraviolet lamp, and the Ba2LaNbO6: Ag < + > photochromic material disclosed by the invention has excellent photochromic performance under the excitation of ultraviolet rays. The problem of light photochromism of the inorganic double perovskite oxide Ba2LaNbO6 is solved by doping low-valence Ag < + > ions; the content of oxygen vacancies is increased, so that the photochromic effect is favorably realized. And meanwhile, the exploration range of the inorganic photochromic material and the application range of the double perovskite oxide are expanded.
本发明涉及光致变色材料技术领域，具体涉及一种双钙钛矿掺杂银离子光致变色陶瓷粉的制备方法，本发明将高纯的BaCO3、La2O3、Nb2O5和Ag2O进行研磨混匀得到混合粉料A；混合粉料A置于温度为1350℃、空气气氛中高温烧结6h，研磨得到Ba2LaNbO6:Ag+光致变色陶瓷粉；Ba2LaNbO6：Ag+光致变色陶瓷粉在365nm紫外灯的照射下能够快速地由白色变为粉色，本发明Ba2LaNbO6：Ag+光致变色材料在紫外线激发下具有优异的光致变色性能。通过低价Ag+离子掺杂解决无机双钙钛矿氧化物Ba2LaNbO6光致变色浅的问题：增加氧空位含量，从而有助于实现光致变色效应。同时扩展了无机光致变色材料的探索范围与双钙钛矿氧化物的应用范围。
Preparation method of double perovskite doped silver ion photochromic ceramic powder
The invention relates to the technical field of photochromic materials, in particular to a preparation method of double perovskite doped silver ion photochromic ceramic powder, which comprises the following steps: grinding and uniformly mixing high-purity BaCO3, La2O3, Nb2O5 and Ag2O to obtain mixed powder A; placing the mixed powder A at the temperature of 1350 DEG C and in an air atmosphere for high-temperature sintering for 6 hours, and grinding to obtain Ba2LaNbO6: Ag < + > photochromic ceramic powder; the Ba2LaNbO6: Ag < + > photochromic ceramic powder can be quickly changed from white to pink under the irradiation of a 365 nm ultraviolet lamp, and the Ba2LaNbO6: Ag < + > photochromic material disclosed by the invention has excellent photochromic performance under the excitation of ultraviolet rays. The problem of light photochromism of the inorganic double perovskite oxide Ba2LaNbO6 is solved by doping low-valence Ag < + > ions; the content of oxygen vacancies is increased, so that the photochromic effect is favorably realized. And meanwhile, the exploration range of the inorganic photochromic material and the application range of the double perovskite oxide are expanded.
本发明涉及光致变色材料技术领域，具体涉及一种双钙钛矿掺杂银离子光致变色陶瓷粉的制备方法，本发明将高纯的BaCO3、La2O3、Nb2O5和Ag2O进行研磨混匀得到混合粉料A；混合粉料A置于温度为1350℃、空气气氛中高温烧结6h，研磨得到Ba2LaNbO6:Ag+光致变色陶瓷粉；Ba2LaNbO6：Ag+光致变色陶瓷粉在365nm紫外灯的照射下能够快速地由白色变为粉色，本发明Ba2LaNbO6：Ag+光致变色材料在紫外线激发下具有优异的光致变色性能。通过低价Ag+离子掺杂解决无机双钙钛矿氧化物Ba2LaNbO6光致变色浅的问题：增加氧空位含量，从而有助于实现光致变色效应。同时扩展了无机光致变色材料的探索范围与双钙钛矿氧化物的应用范围。
Preparation method of double perovskite doped silver ion photochromic ceramic powder
一种双钙钛矿掺杂银离子光致变色陶瓷粉的制备方法
YANG ZHENGWEN (Autor:in) / FENG RONGBAO (Autor:in) / XU ZAN (Autor:in) / SONG YOUYAN (Autor:in) / ZI YINGZHU (Autor:in) / ZHAO HEPING (Autor:in) / BAI XUE (Autor:in) / ZHU XIAODONG (Autor:in) / HE YANNI (Autor:in) / ZOU LIZE (Autor:in)
20.10.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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