Photochromic hybrid sol-gel films containning naphtopyrans
Several photochromic benzo- and naphthopyrans were embedded in hybrid organic-inorganic ureasilicate based films obtained by a sol-gel process. The resulting films, containing 0,1 % (w/w) of the photochromic compound, were transparent and flexible and for naphthopyrans they were colourless or presen...
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| Other Authors: | , , , , |
| Format: | article |
| Language: | eng |
| Published: |
2010
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| Subjects: | |
| Online Access: | http://hdl.handle.net/1822/17872 |
| Country: | Portugal |
| Oai: | oai:repositorium.sdum.uminho.pt:1822/17872 |