Oxygen and relative humidity monitoring with films tailored for enhanced photoluminescence
Review articleOpen access
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.

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