USE OF SOL-GEL TECHNIQUES FOR FIBEROPTIC SENSOR APPLICATIONS

被引：12

作者：

GRATTAN, KTV ^{[1
]}

BADINI, GE ^{[1
]}

PALMER, AW ^{[1
]}

TSEUNG, ACC ^{[1
]}

机构：

[1] UNIV ESSEX,CHEM ENERGY RES CTR,DEPT CHEM & BIOL CHEM,COLCHESTER CO4 3SQ,ESSEX,ENGLAND

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1991年 / 26卷 / 1-3期

关键词：

D O I：

10.1016/0924-4247(91)87037-4

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Porous glass is often used in fibre-optic chemical sensing (FOCS) but has some disadvantages in its use. The novel concept of applying sol-gel technology to FOCS is introduced and initial investigations are described. The fluorophore FITC has been immobilized in both a gel coating and a gel monolith and its characteristic optical spectrum has been observed in both cases. A pH-sensitive response is obtained from the monolith in the range pH 5 to pH 9 and is also described. Some of the limitations observed are also reported, with suggestions for possible solutions.

引用

页码：483 / 487

页数：5

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