| Project/Area Number |
15K06439
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Mie University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
那須 弘行 三重大学, 工学研究科, 准教授 (20189179)
石原 篤 三重大学, 工学研究科, 教授 (60212908)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Keywords | pH応答ガラス / セルフクリーニング機能 / メンテナンスフリー / 撥水性 / 電子伝導ガラス / ゾル-ゲルコーティング / ステンレス電極 / ディスポーザブル電極 / pH応答電極 / ガラス電極 / ディスポーザブル / pH電極 / 金属電極 / 酸化鉄 / 酸化ビスマス / ガラス形成酸化物 / SUS電極 / 遷移金属酸化物 |
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| Outline of Final Research Achievements |
Commercially available pH electrodes have fatal problem that pH response is deteriorated by the accumulation of stain easily. In order to solve this problem, we developed two types of maintenance-free pH responsive electrodes which guarantees pH response performance by maintaining a clean state. Such pH electrodes cannot be realized with commercially available pH-responsive glass electrode. As for the development of a Li-free electronically conductive glass electrode having a self-cleaning function based on anti-fouling property (hydrophobicity), we developed Fe2O3-Bi2O3-GeO2 glasses with higher contact angle with water compared with the previously reported Fe2O3-Bi2O3-B2O3 glasses. In addition, the stainless electrode sol-gel coated with transition metal oxide showed high pH sensitivity and fast pH response. This stainless electrodes with excellent processability are candidate for a disposable pH electrode.
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