Effective control of water-interactive states on mesoporous silica films by phosphoric acid addition

被引：11

作者：

Kobashi, Takaki ^{[1
]}

Chai, Yadong ^{[1
]}

Yamada, Iori ^{[1
]}

Yamada, Shota ^{[1
]}

Tagaya, Motohiro ^{[1
]}

机构：

[1] Nagaoka Univ Technol, Dept Mat Sci & Technol, Kamitomioka 1603-1, Nagaoka, Niigata 9402188, Japan

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2019年 / 227卷

基金：

日本学术振兴会;

关键词：

Bioceramics; Water adsorption states; Wettability; Mesoporous silica films; Physicochemical properties; ADSORPTION; ABSORPTION; HYDRATION; AREA;

D O I：

10.1016/j.matchemphys.2019.01.071

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of the phosphoric acid addition into the mesoporous silica (MPS) films on the water molecular states was investigated using the infrared spectral separation techniques. When the larger amount of the phosphoric acid was introduced into the MPS films, the surface wettability was changed to hydrophilicity. The interactions between the PO43- and silicate ions would occur to form the phosphoric acid-interacted MPS films, and the surface silanol groups were effectively interacted with the water molecules, indicating the importance of the incorporated phosphoric ions.

引用

页码：134 / 137

页数：4

共 33 条

[1] THE DETERMINATION OF PORE VOLUME AND AREA DISTRIBUTIONS IN POROUS SUBSTANCES .1. COMPUTATIONS FROM NITROGEN ISOTHERMS [J].