Characterization of WO3/Silicone Rubber Composites for Hydrogen-Sensitive Gasochromic Application
Lin Wang,
Ke Yang,
Ping Yu
et al.
Abstract:WO3 and silicone rubber (SR)-based gasochromic composites were fabricated to detect hydrogen leaks at room temperature. WO3 rod-like nanostructures were uniformly distributed in the SR matrix, with a particle size of 60–100 nm. The hydrogen permeability of these composites reached 1.77 cm3·cm/cm2·s·cmHg. At a 10% hydrogen concentration, the visible light reflectance of the composite decreased 49% during about 40 s, with a color change rate of 6.4% s−1. Moreover, the composite detected hydrogen concentrations a… Show more
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