多孔非二氧化硅金属氧化物亚微球的合成及应用,Chemical Society Reviews

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多孔非二氧化硅金属氧化物亚微球的合成及应用
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2016-09-12 00:00:00 , DOI: 10.1039/c6cs00060f
Yash Boyjoo _{1,

2,

3,

4} , Meiwen Wang _{1,

2,

3,

4} , Vishnu K. Pareek _{1,

2,

3,

4} , Jian Liu _{1,

2,

3,

4} , Mietek Jaroniec _{5,

6,

7,

8}

Affiliation

如今，正在开发具有特定尺寸和形态的亚微米级产品，这些产品具有高的表面积与体积比，吸附剂和反应物的发达且易于接近的孔隙率，无毒，生物相容性，热稳定性，并适合作为贵金属的协同载体催化剂对于许多高级应用非常重要。复杂的多孔非二氧化硅金属氧化物亚微球构成了满足所有这些质量的重要材料类别，此外，它们相对易于合成。这篇综述对各种球形形态的多孔非二氧化硅金属氧化物颗粒的合成方法进行了全面评估，例如多孔固体球，核-壳和卵黄-壳颗粒以及单壳和多壳颗粒。 -壳颗粒。尤其是，回顾了水热和低温溶液沉淀方法，它们都包括各种结构发展策略，例如硬模板，软模板，水解，或利用奥斯特瓦尔德熟化和柯肯达尔效应的方法。此外，还提出了对不同实验参数（例如反应时间，反应温度，煅烧，pH以及反应物和溶剂类型）对最终产品结构的影响的关键评估。最后，介绍了复杂的多孔非二氧化硅金属氧化物亚微球在传感，催化，生物医学，环境和能源相关应用中的实际实用性。水解，或利用奥斯特瓦尔德成熟和柯肯德尔效应的那些，进行了审查。此外，还提出了对不同实验参数（例如反应时间，反应温度，煅烧，pH以及反应物和溶剂类型）对最终产品结构的影响的关键评估。最后，介绍了复杂的多孔非二氧化硅金属氧化物亚微球在传感，催化，生物医学，环境和能源相关应用中的实际实用性。水解，或利用奥斯特瓦尔德成熟和柯肯德尔效应的那些，进行了审查。此外，还提出了对不同实验参数（例如反应时间，反应温度，煅烧，pH以及反应物和溶剂类型）对最终产品结构的影响的关键评估。最后，介绍了复杂的多孔非二氧化硅金属氧化物亚微球在传感，催化，生物医学，环境和能源相关应用中的实际实用性。

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Synthesis and applications of porous non-silica metal oxide submicrospheres

Nowadays the development of submicroscale products of specific size and morphology that feature a high surface area to volume ratio, well-developed and accessible porosity for adsorbates and reactants, and are non-toxic, biocompatible, thermally stable and suitable as synergetic supports for precious metal catalysts is of great importance for many advanced applications. Complex porous non-silica metal oxide submicrospheres constitute an important class of materials that fulfill all these qualities and in addition, they are relatively easy to synthesize. This review presents a comprehensive appraisal of the methods used for the synthesis of a wide range of porous non-silica metal oxide particles of spherical morphology such as porous solid spheres, core–shell and yolk–shell particles as well as single-shell and multi-shell particles. In particular, hydrothermal and low temperature solution precipitation methods, which both include various structure developing strategies such as hard templating, soft templating, hydrolysis, or those taking advantage of Ostwald ripening and the Kirkendall effect, are reviewed. In addition, a critical assessment of the effects of different experimental parameters such as reaction time, reaction temperature, calcination, pH and the type of reactants and solvents on the structure of the final products is presented. Finally, the practical usefulness of complex porous non-silica metal oxide submicrospheres in sensing, catalysis, biomedical, environmental and energy-related applications is presented.

更新日期：2016-09-12

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