Materials Sciences and Applications , 2014, 5 (11), 783-788.

Carboxylic acids and esters as scaffold for cavities in porous single layer anti-reflective coatings of silica-titania with excellent optical and mechanical properties

de Carvalho Menezes, Elisabete H. S. | König, Peter | Jilavi, Mohammad H. | Oliveira, Peter William de | Alves, Severino

Anti-reflective (AR) single layer of silica-titania (SiO2-TiO2) coatings were obtained from sols containing pyromellitic dianhydride (PMDA) derivatives and Ti and Si precursors on glass substrate by dip-coating method. The coatings showed very high optical quality and the transmission was improved to up to 98.5%. Furthermore, the coatings also presented good mechanical stability.

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