請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/95602
標題: Self-Assembled Curved Macroporous Photonic Crystal-Based Surfactant Detectors
作者: Chiu, Chien-Fu
Tsai, Hui-Ping
Chen, Ying-Chu
He, Yi-Xuan
Lin, Kun-Yi Andrew
Yang, Hongta
楊宏達
關鍵字: doctor blade coating
hydrophobicity
photonic crystals
self-assembly
surfactant detection
出版社: ACS APPLIED MATERIALS & INTERFACES
摘要: Surfactants are extensively used as detergents, dispersants, and emulsifiers. Thus, wastewater containing high-concentration surfactants discharged to the environment pose a serious threat to the ecosystem. Unfortunately, conventional detection methods for surfactants suffer from the use of sophisticated instruments and cannot perform detections for various surfactants by a single analysis. The article reports the development of simple and sensitive surfactant detection using doctor-blade-coated three-dimensional curved macroporous photonic crystals on a cylindrical rod. The photonic crystals exhibit different hydrophobicities at various angular positions after surface modification. The penetration of aqueous surfactant solutions in the interconnected macropores causes red-shift as well as reduction in amplitude in the optical stop bands, resulting in surfactant detection with visible readout. The correlation between the surface tension, as well as the solution-infiltrated angular position, and the concentration of aqueous surfactant solutions has also been investigated in this study.
URI: http://hdl.handle.net/11455/95602
文章連結: https://www.ncbi.nlm.nih.gov/pubmed/28722392
顯示於類別:化學工程學系所

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