Abstract
Sol–gel processed photosensitive hybrid organic–inorganic films, deposited from 2-(3,4-epoxycyclohexylethyltrimethoxysilane) (EETMOS), have been studied. EETMOS sols have been optimized with respect to several criteria that guarantee a good quality, photosensitivity, and reproducibility of derived films. Photo-sensitivity of EETMOS-based films has been assessed by UVA exposure experiments. Optimized films have been photo-patterned using a mercury lamp or a He–Cd laser source, both emitting in the UVA spectral range. Promising micronic size motives have been laser patterned. The quality of derived motives is discussed with respect to photopolymerization mechanisms and photo-patterning parameters.
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