Microstructure and Properties of Aluminosilicate layer/Silica Hybrid Film

铝硅酸盐层/二氧化硅杂化膜的微观结构和性能

• 批准号: 11650698
• 负责人: WATARI Takanori
• 金额: $ 1.22万
• 依托单位: SAGA UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1999
• 资助国家: 日本
• 起止时间: 1999 至 2000
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-11650698/
• 关键词: smectite; aluminosilicate; silica; hybrid; film; 複合; ナノコンポジット

Silica films including aluminosilicate layers of high aspect ratio (1nmX50nm) were prepared using tetraethoxysilane (TEOS) and smectite clay (SM). Under the acidic catalyst condition, the addition of SM decreased the viscosity of the solution. The viscosity of TEOS-SM (0.5wt%)-H_2O did not change with time. The sol particle size increased with SM content from a few nm (0wt%) a few ten nm (0.5wt%). The thickness of the SM (0-0.5wt%)/SiO_2 film changed from 0.5μm to 3μm. The pure SiO_2 film had many cracks, but the number of the cracks decreased with SM content. The SM (0.5wt%)/SiO_2 film had no cracks in it. Under the basic catalyst condition, the addition of SM to the solution did not affect the sol state and the thickness of the resulting films. There were some cracks in all films and the number could be decreased by the addition of SM.The resulting film showed broad peak around at 2Θ=20°. This indicates that the resulting SiO_2 was amorphous.

使用四乙氧基硅烷（TEOS）和蒙皂石粘土（SM）制备包括高纵横比（1nmX50nm）的铝硅酸盐层的二氧化硅薄膜。在酸性催化剂条件下，SM的添加降低了溶液的粘度。 TEOS-SM(0.5wt%)-H_2O的粘度不随时间变化。溶胶粒径随着 SM 含量的增加而增加，从几纳米 (0wt%) 到几十纳米 (0.5wt%)。 SM(0-0.5wt%)/SiO_2薄膜的厚度由0.5μm变为3μm。纯SiO_2薄膜存在较多裂纹,但裂纹数量随着SM含量的增加而减少。 SM(0.5wt%)/SiO_2薄膜无裂纹。在碱性催化剂条件下，溶液中添加SM不会影响溶胶状态和所得薄膜的厚度。所有薄膜中都存在一些裂纹，通过添加SM可以减少裂纹的数量。所得薄膜在2θ=20°附近显示出宽峰。这表明所得的SiO_2是非晶态的。

项目成果

Kohei Nagata: "Preparation of silica films including nano-sized silicate layer"Proc.of 17th International Korea-Japan Seminar on Ceramics. 304-307 (2000)

Kohei Nagata：“包括纳米尺寸硅酸盐层的二氧化硅薄膜的制备”第17届国际韩日陶瓷研讨会论文集。

K.Nagata, T,Watari, T.Torikai, and Y.Imaoka: "Preparation of Silica Films Including Nano-sized Silicate Layer"Proc.the 17^<th> Inter. Korea-Japan Seminar on Ceramics. 304-307 (2000)

K.Nagata、T、Watari、T.Torikai 和 Y.Imaoka：“包括纳米尺寸硅酸盐层的二氧化硅薄膜的制备”Proc.第 17 届国际会议。

Kohhei Nagata: "Preparation of silica films including nano-sized silicate layer"Proc. of 17th International Korea-Japan Seminar on Ceramics. 304-307 (2000)

Kohhei Nagata：“包括纳米尺寸硅酸盐层的二氧化硅薄膜的制备”Proc。