Abstract
We developed a new structural ion sensor for measuring sodium ions without using a reference electrode. The ion sensor, which is all solid state, has a structure of double electrodes, which are integrated on the base plate, inside the sodium ion sensitive membrane. The ion sensitivity of the sensor was 41.4 mV/decade in the range of 10-1 to 10-4M. To investigate the response mechanism of the potential between two electrodes, the impedance characteristic was measured using the electrochemical impedance method. The impedance of the ion sensitive membrane changed by changing the sodium ion concentration in solution. These results suggest a correlation between the membrane potential and the membrane impedance. In conclusion, the potential difference between the electrodes is caused by the difference in ion concentration of the electrodes.
| Original language | English |
|---|---|
| Pages (from-to) | 309-313 |
| Number of pages | 5 |
| Journal | IEEJ Transactions on Sensors and Micromachines |
| Volume | 133 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 2013 |
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Keywords
- Electrochemical impedance method
- Ion sensitive membrane
- Ion sensor
- Sodium ion
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Mechanical Engineering
Cite this
Characterization of new structural ion sensor for sodium ion. / Komori, Tatsuya; Yamamoto, Takafumi; Oda, Kazuyo; Sakai, Kenji; Kiwa, Toshihiko; Tsukada, Keiji.
In: IEEJ Transactions on Sensors and Micromachines, Vol. 133, No. 7, 2013, p. 309-313.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Characterization of new structural ion sensor for sodium ion
AU - Komori, Tatsuya
AU - Yamamoto, Takafumi
AU - Oda, Kazuyo
AU - Sakai, Kenji
AU - Kiwa, Toshihiko
AU - Tsukada, Keiji
PY - 2013
Y1 - 2013
N2 - We developed a new structural ion sensor for measuring sodium ions without using a reference electrode. The ion sensor, which is all solid state, has a structure of double electrodes, which are integrated on the base plate, inside the sodium ion sensitive membrane. The ion sensitivity of the sensor was 41.4 mV/decade in the range of 10-1 to 10-4M. To investigate the response mechanism of the potential between two electrodes, the impedance characteristic was measured using the electrochemical impedance method. The impedance of the ion sensitive membrane changed by changing the sodium ion concentration in solution. These results suggest a correlation between the membrane potential and the membrane impedance. In conclusion, the potential difference between the electrodes is caused by the difference in ion concentration of the electrodes.
AB - We developed a new structural ion sensor for measuring sodium ions without using a reference electrode. The ion sensor, which is all solid state, has a structure of double electrodes, which are integrated on the base plate, inside the sodium ion sensitive membrane. The ion sensitivity of the sensor was 41.4 mV/decade in the range of 10-1 to 10-4M. To investigate the response mechanism of the potential between two electrodes, the impedance characteristic was measured using the electrochemical impedance method. The impedance of the ion sensitive membrane changed by changing the sodium ion concentration in solution. These results suggest a correlation between the membrane potential and the membrane impedance. In conclusion, the potential difference between the electrodes is caused by the difference in ion concentration of the electrodes.
KW - Electrochemical impedance method
KW - Ion sensitive membrane
KW - Ion sensor
KW - Sodium ion
UR - http://www.scopus.com/inward/record.url?scp=84880055488&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84880055488&partnerID=8YFLogxK
U2 - 10.1541/ieejsmas.133.309
DO - 10.1541/ieejsmas.133.309
M3 - Article
AN - SCOPUS:84880055488
VL - 133
SP - 309
EP - 313
JO - IEEJ Transactions on Sensors and Micromachines
JF - IEEJ Transactions on Sensors and Micromachines
SN - 1341-8939
IS - 7
ER -