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EnglishThe 5,10,15-tri-(p-dodecanoxyphenyl)-20-(p-hydroxyphenyl)- and 5,10,15,20-tetrakis-(p-dodecanoxyphenyl)cobalt porphyrin complexes were synthesized, purified and characterized. Silica substrates were functionalized with a covalent 4-ClCH(2)C(6)H(4)SiCl(3) monolayer. Additional covalent bonding of the 5,10,15-tri-(p-dodecanoxyphenyl)-20-(p-hydroxyphenyl)-cobalt porphyrin to the silylated substrates was further achieved. The monolayer surface chemical characterization was carried out by X-ray photoelectron measurements. Both the Co 2p and N 1s spectra are evident. The NO(2) sensing capability of the present cobalt porphyrin systems, at ppm levels, has been demonstrated. (C) 2008 Elsevier B.V. All rights reserved.
| Titolo: | NO(2) sensing ability of a monolayer of cobalt(II) porphyrin molecules covalently assembled on a engineered silica substrate | |
| Autori interni: | ||
| Data di pubblicazione: | 2008 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.11769/8713 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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