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Multi-element high-entropy perovskite oxynitride nano powder as well as preparation method and application thereof
The invention discloses multi-element high-entropy perovskite oxynitride nano powder and a preparation method and application thereof.The preparation method comprises the steps that calcium carbonate powder, strontium carbonate powder, barium carbonate powder, europium oxide powder, tantalum pentoxide powder and first urea are dissolved in absolute ethyl alcohol, ball milling is conducted, mixed slurry is obtained, the mixed slurry is dried, and the dried mixed slurry is obtained; the preparation method comprises the following steps: mixing the mixed precursor powder with the first urea to obtain mixed precursor powder, heating the mixed precursor powder to 1100-1400 DEG C in a protective atmosphere for calcining, cooling to room temperature, and ammonifying the obtained initial powder of the multi-element high-entropy perovskite oxynitride nano powder in the protective atmosphere by using the second urea to obtain the multi-element high-entropy perovskite oxynitride nano powder CaSrBaEuTa (O, N) 3. The preparation method disclosed by the invention has the advantages of low cost, short time consumption, high product purity and the like, and the prepared product can be applied to the field of photocatalytic water oxygen production and has very high oxygen production rate.
本发明公开了多元高熵钙钛矿氧氮化物纳米粉及其制备方法和应用，制备方法包括将碳酸钙粉末、碳酸锶粉末、碳酸钡粉末、三氧化二铕粉末、五氧化二钽粉末和第一尿素溶于无水乙醇，进行球磨，得到混合浆料，将混合浆料干燥，得到混合前驱体粉末，将混合前驱体粉末在保护气氛中升温至1100℃～1400℃进行煅烧，冷却至室温，将所得多元高熵钙钛矿氧氮化物纳米粉初始粉体在保护气氛中采用第二尿素进行氨化，得到多元高熵钙钛矿氧氮化物纳米粉CaSrBaEuTa(O,N)3。本发明的制备方法具有成本低廉、耗时短、产物纯度高等优点，制备的产品可应用于光催化水产氧领域，具有很高的产氧率。
Multi-element high-entropy perovskite oxynitride nano powder as well as preparation method and application thereof
The invention discloses multi-element high-entropy perovskite oxynitride nano powder and a preparation method and application thereof.The preparation method comprises the steps that calcium carbonate powder, strontium carbonate powder, barium carbonate powder, europium oxide powder, tantalum pentoxide powder and first urea are dissolved in absolute ethyl alcohol, ball milling is conducted, mixed slurry is obtained, the mixed slurry is dried, and the dried mixed slurry is obtained; the preparation method comprises the following steps: mixing the mixed precursor powder with the first urea to obtain mixed precursor powder, heating the mixed precursor powder to 1100-1400 DEG C in a protective atmosphere for calcining, cooling to room temperature, and ammonifying the obtained initial powder of the multi-element high-entropy perovskite oxynitride nano powder in the protective atmosphere by using the second urea to obtain the multi-element high-entropy perovskite oxynitride nano powder CaSrBaEuTa (O, N) 3. The preparation method disclosed by the invention has the advantages of low cost, short time consumption, high product purity and the like, and the prepared product can be applied to the field of photocatalytic water oxygen production and has very high oxygen production rate.
本发明公开了多元高熵钙钛矿氧氮化物纳米粉及其制备方法和应用，制备方法包括将碳酸钙粉末、碳酸锶粉末、碳酸钡粉末、三氧化二铕粉末、五氧化二钽粉末和第一尿素溶于无水乙醇，进行球磨，得到混合浆料，将混合浆料干燥，得到混合前驱体粉末，将混合前驱体粉末在保护气氛中升温至1100℃～1400℃进行煅烧，冷却至室温，将所得多元高熵钙钛矿氧氮化物纳米粉初始粉体在保护气氛中采用第二尿素进行氨化，得到多元高熵钙钛矿氧氮化物纳米粉CaSrBaEuTa(O,N)3。本发明的制备方法具有成本低廉、耗时短、产物纯度高等优点，制备的产品可应用于光催化水产氧领域，具有很高的产氧率。
Multi-element high-entropy perovskite oxynitride nano powder as well as preparation method and application thereof
多元高熵钙钛矿氧氮化物纳米粉及其制备方法和应用
LI DUAN (author) / YANG ZHIYI (author) / RAN SIRUI (author) / LIU RONGJUN (author) / WANG YANFEI (author) / ZENG LIANG (author) / ZENG LEI (author)
2024-08-30
Patent
Electronic Resource
Chinese
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