摘要
A hydrogel sensing film for a real-time and indicator-free detection of Zn2+ is developed by embedding a fluorescent indicator 11,16-bis(phenyl)-6,6,21,21-tetramethyl-m-benzi-6,21-porphodimethene in a hydrogel host poly(2-hydroxyethyl methacrylate). The sensing film shows high stability and selectivity to Zn2+. The sensitivity of the sensing film is increased by fabricating a micron-sized pillar array on the surface of the sensing film to increase the surface area. For Zn2+ concentrations of 10-4 and 10-3 M, the response time is 30 and 3 s, respectively.
| 原文 | 英語 |
|---|---|
| 頁(從 - 到) | 1899-1902 |
| 頁數 | 4 |
| 期刊 | Organic Electronics |
| 卷 | 12 |
| 發行號 | 11 |
| DOIs | |
| 出版狀態 | 已發佈 - 2011 11月 |
| 對外發佈 | 是 |
ASJC Scopus subject areas
- 電子、光磁材料
- 一般化學
- 凝聚態物理學
- 材料化學
- 電氣與電子工程
- 生物材料
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