利用旋转圆筒系统合成单分散二氧化硅纳米球和二氧化钛微珠

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science Pub Date : 2024-03-13 DOI:10.5755/j02.ms.34423

Thi Hong Thu Nguyen, Sohyeon Sung, Q. Tran, Young-Sang Cho

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引用次数: 0

摘要

采用低级乙醇和奥托硅酸四乙酯（TEOS）等经济原料作为反应物，利用带有旋转圆筒系统的泰勒涡流反应器合成单分散纳米二氧化硅球。通过改变内筒的旋转速度和反应物的组成，研究了影响二氧化硅颗粒平均直径和粒度分布的因素。就二氧化钛珠而言，通过改变前体（异丙醇钛（IV），TIP）、十六烷基胺（HDA）或氯化钾（KCl）的用量、反应温度以及圆筒的旋转速度来调整晶粒的直径大小。作为示范应用，二氧化钛珠可用于利用光催化分解系统去除溶解在水介质中的有机染料。

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Synthesis of Monodisperse Silica Nanospheres and Titania Beads from Rotating Cylinder System

Economic raw materials such as low-grade ethanol and Tetraethyl Ortosilicate (TEOS) were adopted as reactants for the synthesis of monodisperse silica nanospheres using a Taylor Vortex flow reactor with a rotating cylinder system. Factors affecting the mean diameter and size distribution of the silica grains were investigated by changing the rotating speed of the inner cylinder and the composition of reactants. In the case of titania beads, grain diameter size was adjusted by changing the amount of precursor (titanium (IV) isopropoxide, TIP), hexadecylamine (HDA) or Potassium Chloride (KCl) and reaction temperature as well as the rotation speed of the cylinder. As a demonstrative application, titania beads could be used for the removal of organic dye as a model contaminant dissolved in an aqueous medium using a photocatalytic decomposition system.

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来源期刊

Materials Science 工程技术-材料科学：综合

CiteScore

1.60

自引率

44.40%

发文量

审稿时长

4-8 weeks

期刊介绍： Materials Science reports on current research into such problems as cracking, fatigue and fracture, especially in active environments as well as corrosion and anticorrosion protection of structural metallic and polymer materials, and the development of new materials.