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Carbon dot-based titanium dioxide nanocomposite modified cement-based material and preparation method thereof
The invention relates to the technical field of cement-based materials, in particular to a carbon dot-based titanium dioxide nanocomposite modified cement-based material as well as a preparation method and application thereof. The preparation method of the carbon dot-based titanium dioxide nano composite material comprises the following steps: S1, cleaning peanut shell humus, and drying and crushing the peanut shell humus to obtain peanut shell powder for later use; s2, the peanut shell powder is placed in a hydrothermal reaction kettle for a reaction, and a hydrothermal mixed solution is obtained; s3, the hydrothermal mixed solution is subjected to suction filtration, subnatant is taken and freeze-dried, and biomass carbon dots are obtained; s4, weighing a precursor P25 of the nano titanium dioxide according to the formula amount, calcining the precursor P25, and cooling to obtain skeleton nano titanium dioxide; s5, grinding and mixing the biomass carbon dots obtained in S3 and the skeleton nano titanium dioxide obtained in S4, and then calcining to obtain a mixed solid; and S6, grinding the mixed solid to obtain the carbon dot-based titanium dioxide nano composite material.
本发明涉及水泥基材料技术领域，具体涉及一种碳点基二氧化钛纳米复合材料改性水泥基材料及其制备方法和应用。碳点基二氧化钛纳米复合材料的制备方法包括以下步骤，S1、清洗花生壳腐殖质，将其烘干并粉碎，得到花生壳粉末，备用；S2、将花生壳粉末放置于水热反应釜中反应，得到水热混合溶液；S3、将水热混合溶液抽滤，取下层清液冻干，得到生物质碳点；S4、称取配方量纳米二氧化钛的前驱体P25，将前驱体P25煅烧处理，冷却后得到骨架纳米二氧化钛；S5、将S3获得的生物质碳点与S4得到的骨架纳米二氧化钛研磨混合，随后煅烧处理，得到混合固体；S6、将混合固体研磨，得到碳点基二氧化钛纳米复合材料。
Carbon dot-based titanium dioxide nanocomposite modified cement-based material and preparation method thereof
The invention relates to the technical field of cement-based materials, in particular to a carbon dot-based titanium dioxide nanocomposite modified cement-based material as well as a preparation method and application thereof. The preparation method of the carbon dot-based titanium dioxide nano composite material comprises the following steps: S1, cleaning peanut shell humus, and drying and crushing the peanut shell humus to obtain peanut shell powder for later use; s2, the peanut shell powder is placed in a hydrothermal reaction kettle for a reaction, and a hydrothermal mixed solution is obtained; s3, the hydrothermal mixed solution is subjected to suction filtration, subnatant is taken and freeze-dried, and biomass carbon dots are obtained; s4, weighing a precursor P25 of the nano titanium dioxide according to the formula amount, calcining the precursor P25, and cooling to obtain skeleton nano titanium dioxide; s5, grinding and mixing the biomass carbon dots obtained in S3 and the skeleton nano titanium dioxide obtained in S4, and then calcining to obtain a mixed solid; and S6, grinding the mixed solid to obtain the carbon dot-based titanium dioxide nano composite material.
本发明涉及水泥基材料技术领域，具体涉及一种碳点基二氧化钛纳米复合材料改性水泥基材料及其制备方法和应用。碳点基二氧化钛纳米复合材料的制备方法包括以下步骤，S1、清洗花生壳腐殖质，将其烘干并粉碎，得到花生壳粉末，备用；S2、将花生壳粉末放置于水热反应釜中反应，得到水热混合溶液；S3、将水热混合溶液抽滤，取下层清液冻干，得到生物质碳点；S4、称取配方量纳米二氧化钛的前驱体P25，将前驱体P25煅烧处理，冷却后得到骨架纳米二氧化钛；S5、将S3获得的生物质碳点与S4得到的骨架纳米二氧化钛研磨混合，随后煅烧处理，得到混合固体；S6、将混合固体研磨，得到碳点基二氧化钛纳米复合材料。
Carbon dot-based titanium dioxide nanocomposite modified cement-based material and preparation method thereof
一种碳点基二氧化钛纳米复合材料改性水泥基材料及其制备方法
ZHUANG JIANLE (author) / HUANG HANYUAN (author) / XIAO ZENGYI (author) / LIU XUETING (author) / YANG JINGLING (author)
2024-11-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B82Y
Bestimmter Gebrauch oder bestimmte Anwendung von Nanostrukturen
,
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
C09K
Materialien für Anwendungen, soweit nicht anderweitig vorgesehen
,
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR
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