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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Formation of uniform mesoporous TiO2@C-Ni hollow hybrid composites
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Formation of uniform mesoporous TiO2@C-Ni hollow hybrid composites

机译:形成均匀介孔TiO2 @ C-Ni中空混合复合材料

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摘要

Highly efficient bifunctional metallic nickel nanoparticles (NPs) are highly desired for practical applications in catalysis and adsorption. However, the low surface area and the aggregation often lead to their poor activities during catalysis and adsorption. Here, we have developed a facile strategy to synthesize monodisperse magnetic mesoporous TiO2(mTiO(2))@C-Ni hollow spheres using carboxyl-functionalized polystyrene (CPS) spheres as sacrificial templates, which exhibit excellent performance during both catalysis of 4-nitrophenol (4-NP) and good affinity towards His-rich proteins. The enhanced activity of hybrid mTiO(2)@C-Ni composites could be related to their hollow structure, large surface area, high density of nickel NPs, and the monodisperse morphology. The results reported here may open a new avenue for the construction of advanced nanostructures for promising applications in catalysis, adsorption, energy storage, etc.
机译:高效的双官能金属镍纳米颗粒(NPS)非常需要在催化和吸附中的实际应用。 然而,低表面积和聚集通常导致它们在催化和吸附过程中的差。 在这里,我们开发了使用羧基官能化的聚苯乙烯(CPS)球体作为牺牲模板来合成单分散磁性介孔TiO2(MTIO(2))@ C-Ni中空球体的容易策略,其在4-硝基苯酚的催化期间表现出优异的性能 (4-NP)对其富含他富含蛋白质的良好亲和力。 杂交MTIO(2)@ C-Ni复合材料的增强活性可能与其中空结构,大表面积,镍NPS高密度和单分散形态有关。 此处报告的结果可以开辟一个新的纳米结构,用于在催化,吸附,能量存储等中承诺的应用。

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