Haijuan Zhang, Xiaobo Wang and Jianmin Wu Organic Vapor Sensing Based on the Light Scattering Effect of Condensed Microdroplets Small 8
Significantly enhanced vapor condensation and formation of microdroplets occur on porous silicon (pSi) infiltrated with a high amount of ionic liquid. The resonant light reflected from the pSi rugate filter is scattered by the condensed microdroplets. Real-time vapor sensing is achieved by monitoring the decrease in the reflectance peak intensity with a fiber miniature spectrometer.
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