Sol-gel derived porous silica films

被引：50

作者：

Mezza, P ^{[1
]}

Phalippou, J ^{[1
]}

Sempere, R ^{[1
]}

机构：

[1] Univ Montpellier 2, Lab Verres, UMR 5587, F-34095 Montpellier 5, France

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1999年 / 243卷 / 01期

关键词：

D O I：

10.1016/S0022-3093(98)00825-4

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A modified sol-gel process, involving gelation of drops of a starting solution pressed on a substrate by a non-wetting glass, has been employed to obtain porous silica coatings on glass substrates at room temperature and pressure. Deposited films are homogeneous and crack-free. Films having a thickness higher than 5 mu m can be obtained. These aerogel like coatings show a refractive index lower than 1.2 and a dielectric constant lower than 2 with a pore volume of about 60%. Films exhibit hydrophobic properties because of surface modification. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：75 / 79

页数：5

共 20 条

[1]

BRINKER CJ, 1981, SOL ENERG MATER, V5, P159, DOI 10.1016/0165-1633(81)90027-7

[2]

BRINKER CJ, 1982, J NONCRYST SOLIDS, V48, P207

[3]

Deshpande R., 1996, U.S. Patent, Patent No. [US5565142A, 5565142]

[4] TRIMETHYLSILYL DERIVATIVES FOR STUDY OF SILICATE STRUCTURES .1. A DIRECT METHOD OF TRIMETHYLSILYLATION [J].

GOTZ, J ;

MASSON, CR .

JOURNAL OF THE CHEMICAL SOCIETY A -INORGANIC PHYSICAL THEORETICAL, 1970, (16) :2683-&

[5] THERMAL AND TEMPORAL AGING OF TMOS-BASED AEROGEL PRECURSORS IN WATER [J].

HAEREID, S ;

ANDERSON, J ;

EINARSRUD, MA ;

HUA, DW ;

SMITH, DM .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1995, 185 (03) :221-226

[6] PREPARATION AND PROPERTIES OF MONOLITHIC SILICA XEROGELS FROM TEOS-BASED ALCOGELS AGED IN SILANE SOLUTIONS [J].

HAEREID, S ;

DAHLE, M ;

LIMA, S ;

EINARSRUD, MA .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1995, 186 :96-103

[7] Mechanical Strengthening of TMOS-Based Alcogels by Aging in Silane Solutions [J].

Haereid, Siv ;

Einarsrud, Mari-Ann ;

Scherer, George W. .

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 1994, 3 (03) :199-204

[8] THIN AEROGEL FILMS FOR OPTICAL, THERMAL, ACOUSTIC AND ELECTRONIC APPLICATIONS [J].

HRUBESH, LW ;

POCO, JF .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1995, 188 (1-2) :46-53

[9] SILICATE MINERALS AS SOURCES OF TRIMETHYLSILYL SILICATES + SILICATE STRUCTURE ANALYSIS OF SODIUM SILICATE SOLUTIONS [J].

LENTZ, CW .

INORGANIC CHEMISTRY, 1964, 3 (04) :574-&

[10] INTERSPECIMEN COMPARISON OF REFRACTIVE INDEX OF FUSED SILICA [J].

MALITSON, IH .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1965, 55 (10P1) :1205-&

← 1 2 →