Abstract
A novel method for fabricating a micro gas sensor film on an indium tin oxide (ITO) electrode patterned using micro-machining technology was developed. A micromanipulation system equipped with a counter electrode (Au; Ø10 μm) and a microsyringe, which was connected to a microinjection system, was first constructed. With this system, micro gas sensor arrays could be successfully prepared on ITO electrodes. Two kinds of micro gas sensor films were prepared, based on polythiophene (PTh) and poly(3-n-dodecylthiophene) (PD). The response behavior of conventional PTh and micro-PTh films against NH 3 at three different operating temperatures (25, 40 and 60°C) was investigated by measuring the resistance of the film. With the micro-PTh film, a reversible response was observed against NH3 when measured at 40 and 60 °C. In addition, the responsive characteristics of the microsensor films against different testing gases were examined at the three operating temperatures. The resistance of the microsensor films of PTh and PD changed considerably, depending on the type of testing gas, allowing these sensor films to be used for the detection of various gases. Furthermore, the microsensor films had a high stability compared with conventional films prepared from the same polymer.
| Original language | English |
|---|---|
| Pages (from-to) | 1453-1459 |
| Number of pages | 7 |
| Journal | Electroanalysis |
| Volume | 15 |
| Issue number | 18 |
| DOIs | |
| Publication status | Published - Oct 2003 |
| Externally published | Yes |
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Keywords
- Micromanipulation
- Microsensor array
- Odor gas
- Poly(3-n-dodecylthiophene)
- Polythiophene
- Reversibility
ASJC Scopus subject areas
- Analytical Chemistry
Cite this
Novel Fabrication of Conductive Polymers Contained Micro-Array Gas Sensitive Films Using A Micromanipulation Method. / Jung, H. S.; Shimanouchi, Toshinori; Morita, S.; Kuboi, R.
In: Electroanalysis, Vol. 15, No. 18, 10.2003, p. 1453-1459.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Novel Fabrication of Conductive Polymers Contained Micro-Array Gas Sensitive Films Using A Micromanipulation Method
AU - Jung, H. S.
AU - Shimanouchi, Toshinori
AU - Morita, S.
AU - Kuboi, R.
PY - 2003/10
Y1 - 2003/10
N2 - A novel method for fabricating a micro gas sensor film on an indium tin oxide (ITO) electrode patterned using micro-machining technology was developed. A micromanipulation system equipped with a counter electrode (Au; Ø10 μm) and a microsyringe, which was connected to a microinjection system, was first constructed. With this system, micro gas sensor arrays could be successfully prepared on ITO electrodes. Two kinds of micro gas sensor films were prepared, based on polythiophene (PTh) and poly(3-n-dodecylthiophene) (PD). The response behavior of conventional PTh and micro-PTh films against NH 3 at three different operating temperatures (25, 40 and 60°C) was investigated by measuring the resistance of the film. With the micro-PTh film, a reversible response was observed against NH3 when measured at 40 and 60 °C. In addition, the responsive characteristics of the microsensor films against different testing gases were examined at the three operating temperatures. The resistance of the microsensor films of PTh and PD changed considerably, depending on the type of testing gas, allowing these sensor films to be used for the detection of various gases. Furthermore, the microsensor films had a high stability compared with conventional films prepared from the same polymer.
AB - A novel method for fabricating a micro gas sensor film on an indium tin oxide (ITO) electrode patterned using micro-machining technology was developed. A micromanipulation system equipped with a counter electrode (Au; Ø10 μm) and a microsyringe, which was connected to a microinjection system, was first constructed. With this system, micro gas sensor arrays could be successfully prepared on ITO electrodes. Two kinds of micro gas sensor films were prepared, based on polythiophene (PTh) and poly(3-n-dodecylthiophene) (PD). The response behavior of conventional PTh and micro-PTh films against NH 3 at three different operating temperatures (25, 40 and 60°C) was investigated by measuring the resistance of the film. With the micro-PTh film, a reversible response was observed against NH3 when measured at 40 and 60 °C. In addition, the responsive characteristics of the microsensor films against different testing gases were examined at the three operating temperatures. The resistance of the microsensor films of PTh and PD changed considerably, depending on the type of testing gas, allowing these sensor films to be used for the detection of various gases. Furthermore, the microsensor films had a high stability compared with conventional films prepared from the same polymer.
KW - Micromanipulation
KW - Microsensor array
KW - Odor gas
KW - Poly(3-n-dodecylthiophene)
KW - Polythiophene
KW - Reversibility
UR - http://www.scopus.com/inward/record.url?scp=0142182178&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0142182178&partnerID=8YFLogxK
U2 - 10.1002/elan.200302660
DO - 10.1002/elan.200302660
M3 - Article
AN - SCOPUS:0142182178
VL - 15
SP - 1453
EP - 1459
JO - Electroanalysis
JF - Electroanalysis
SN - 1040-0397
IS - 18
ER -