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Oxygen and relative humidity monitoring with films tailored for enhanced photoluminescence

Weipan Cui - No affiliation found

2015/01/01 Full-length article DOI: 10.1016/j.aca.2014.10.035 Journal: Analytica Chimica Acta

Abstract:

Highlights•Novel porous dye-doped polyethyleneglycol:ethyl cellulose (PEG:EC) films with PEG washed off.•×4.7 increase in the photoluminescence (PL) in O2 monitoring.•PL enhancement due to voids/material refraction index contrast.•<10% differentiation in relative humidity (RH) monitoring with nanoparticle-doped EC.•RH monitoring, unattained with EC without nanoparticles.