請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/95604
標題: Visual and reversible carbon dioxide sensing enabled by doctor blade coated macroporous photonic crystals
作者: Lin, Yi-Han
Suen, Shing-Yi
Yang, Hongta
關鍵字: Carbon dioxide
Doctor blade coating
Photonic crystals
Self-assembly
出版社: JOURNAL OF COLLOID AND INTERFACE SCIENCE
摘要: With significant impacts of carbon dioxide on global climate change, carbon dioxide sensing is of great importance. However, most of the existing sensing technologies are prone to interferences from carbon monoxide, or suffer from the use of sophisticated instruments. This research reports the development of reproducible carbon dioxide sensor using roll-to-roll compatible doctor blade coated three-dimensional macroporous photonic crystals. The pores are functionalized with amine groups to allow the reaction with carbon dioxide in the presence of humidity. The adsorption of carbon dioxide leads to red-shift and amplitude reduction of the optical stop bands, resulting in carbon dioxide detection with visible readout. The dependences of the diffraction wavelength on carbon dioxide partial pressure for various amine-functionalized photonic crystals and different humidities in the environment are systematically investigated. In addition, the reproducibility of carbon dioxide sensing has also been demonstrated in this research.
URI: http://hdl.handle.net/11455/95604
文章連結: https://www.ncbi.nlm.nih.gov/pubmed/28738283
顯示於類別:化學工程學系所

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