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学者姓名：张庭士
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Abstract ：
Herein, a versatile amorphous-to-crystalline transformation (ACT) strategy is described, to furnish various metals (Cu, Co, Ni, Cs, and Y) based atomically dispersed catalysts (ADCs) on thin holey 2D Al2O3. This approach, which involves adjusting reactant stoichiometry, enables the continuous modulation of particle size of ADCs at an atomical level, giving the ultrafine products as single atom, cluster, or nanoparticle catalysts. This synthesis method allows a straightforward analysis and comparison of the reactivity of the ADCs catalysts based on the dispersion of the active metal. In the case of Cu, the cluster catalyst 0.2-Cu/Al2O3 outperforms the single atom catalyst 0.1-Cu/Al2O3 and the nanoparticle catalyst 0.3-Cu/Al2O3 in the oxidation of refractory organic molecules, thanks to its superior electron transport and surface adsorption properties. These findings are well supported by the Density functional theory (DFT) calculations. Additionally, this method facilitates the preparation of atomic clusters with a very small size of 0.5-1 nm, composed of just a few atoms, as exemplified by Ni-based ADCs. The developed synthesis enriches the library of ADCs and demonstrates the potential of amorphous-to-crystalline transformation in creating advanced ultrasmall functional materials.
Keyword ：
amorphous-to-crystalline transformation amorphous-to-crystalline transformation atomically dispersed catalysts atomically dispersed catalysts cluster, precise size tailoring cluster, precise size tailoring single atom single atom
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| GB/T 7714 | Wang, Yaping , Zhang, Tingshi , Huang, Xinlian et al. Amorphous-to-Crystalline Transformation for Tunable Synthesis of Single Atom, Cluster, and Nanoparticle Catalysts: Dispersion of Metal Elements (Cu, Co, Ni, Y, Cs) on Holey 2D Ultra-Thin Al2O3 Nanosheets [J]. | SMALL METHODS , 2025 , 9 (7) . |
| MLA | Wang, Yaping et al. "Amorphous-to-Crystalline Transformation for Tunable Synthesis of Single Atom, Cluster, and Nanoparticle Catalysts: Dispersion of Metal Elements (Cu, Co, Ni, Y, Cs) on Holey 2D Ultra-Thin Al2O3 Nanosheets" . | SMALL METHODS 9 . 7 (2025) . |
| APA | Wang, Yaping , Zhang, Tingshi , Huang, Xinlian , Zeng, Yurong , Wei, Siyuan , Zhuang, Zanyong et al. Amorphous-to-Crystalline Transformation for Tunable Synthesis of Single Atom, Cluster, and Nanoparticle Catalysts: Dispersion of Metal Elements (Cu, Co, Ni, Y, Cs) on Holey 2D Ultra-Thin Al2O3 Nanosheets . | SMALL METHODS , 2025 , 9 (7) . |
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Abstract ：
本发明属于纳米材料的制备技术领域，公开了一种基于NiZn‑LDH的1D/2D复合材料的制备方法，利用水热法制备出纳米线/纳米片组装(1D/2D‑NiZn‑LDH)的纳米复合材料；以六水合氯化镍和氯化锌为原料，尿素为沉淀剂，去离子水为溶剂，在特定温度的条件下进行恒温反应，通过离心分离、洗样、干燥后制得均匀分散1D/2D‑NiZn‑LDH纳米材料。本发明制得的1D/2D纳米复合材料通过一维纳米线阵列增强了界面上的电荷转化，高度选择性地将二氧化碳光还原为一氧化碳。本发明制备工艺简单，周期短，成本低廉，可大规模工业化生产，具有良好的经济效益和环境效益。
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| GB/T 7714 | 庄赞勇 , 王智琦 , 赵鑫 et al. 一种基于NiZn-LDH的1D/2D复合材料及其制备方法和应用 : CN202210537777.6[P]. | 2022-05-18 00:00:00 . |
| MLA | 庄赞勇 et al. "一种基于NiZn-LDH的1D/2D复合材料及其制备方法和应用" : CN202210537777.6. | 2022-05-18 00:00:00 . |
| APA | 庄赞勇 , 王智琦 , 赵鑫 , 张庭士 , 于岩 . 一种基于NiZn-LDH的1D/2D复合材料及其制备方法和应用 : CN202210537777.6. | 2022-05-18 00:00:00 . |
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