期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 30, 期 20, 页码 1719-1724出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900342
关键词
hydrogels; landolt pH-oscillator; photonic crystals; self-oscillating; sensors
资金
- NSFC [50625312, U0634004, 20721061]
- 973 Program [2006CB806200, 2006CB932100, 2006CB921706, 2007CB936403, 2009CB930404]
- Chinese Academy of Sciences [KJCX-2-YW-M11]
In this work, a color-oscillating system is first developed by combining the intrinsic peristaltic motion of a Landolt pH-oscillator with the structure color of a well-designed pH-sensitive photonic crystal hydrogel. As a result, the pH oscillation reaction procedure could be distinctly monitored by the distinct change of structure color/optic signal. The oscillation rhythm of the pH well coincides with that of the stopband/structure color. The oscillation detail of each cycle can also be clearly monitored by color change. This work would be of great significance for the promising applications of real-time monitoring of the microactuator by optical signal or structure color.
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