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
收藏
页码：483 / 487
页数：5
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