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Sol-Gel Processing of MgF2 Antireflective Coatings

: Löbmann, Peer

Volltext ()

Nanomaterials 8 (2018), Nr.5, Art. 295, 19 S.
ISSN: 2079-4991
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer ISC ()
Antireflexschicht; Magnesiumfluorid; Beschichtung; Sol-Gel

There are different approaches for the preparation of porous antireflective λ/4 MgF2 films from liquid precursors. Among these, the non-aqueous fluorolytic synthesis of precursor solutions offers many advantages in terms of processing simplicity and scalability. In this paper, the structural features and optical performance of the resulting films are highlighted, and their specific interactions with different inorganic substrates are discussed. Due to their excellent abrasion resistance, coatings have a high potential for applications on glass. Using solvothermal treatment of precursor solutions, also the processing of thermally sensitive polymer substrates becomes feasible.