Optical pH Meter by Means of a Porphyrin Monolayer Covalently Assembled on a Molecularly Engineered Silica Surface (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• Optical pH Meter by Means of a Porphyrin Monolayer Covalently Assembled on a Molecularly Engineered Silica Surface (Articolo in rivista) (literal)

Anno

• 2005-01-01T00:00:00+01:00 (literal)

Alternative label

• A.Gulino, P.Mineo, S.Bazzano, D.Vitalini, I.Fragala (2005)
  Optical pH Meter by Means of a Porphyrin Monolayer Covalently Assembled on a Molecularly Engineered Silica Surface
  in Chemistry of materials
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• A.Gulino, P.Mineo, S.Bazzano, D.Vitalini, I.Fragala (literal)

Pagina inizio

• 4043 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 17 (literal)

Rivista

• Chemistry of materials (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note

• No. Citazione=10; Autocitazione=5; Motore utilizzato per le citazioni=Isiwebofknowledge.com (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• CNR, Università di Catania. (literal)

Titolo

• Optical pH Meter by Means of a Porphyrin Monolayer Covalently Assembled on a Molecularly Engineered Silica Surface (literal)

Abstract

• The optical gas recognition capability of a covalently self-assembled monolayer of 5,10,15-tri-{p-dodecanoxyphenyl}-20-(p-hydroxyphenyl) porphyrin mols. on silica substrates was studied. The following analytes have been investigated: NO2, CO, CH4, H2, NH3, HCl, CHCl3, C2H5OH, CH3OH, pyridine, tetrahydrofurane, triethylamine, and DMF. The self-assembled porphyrin monolayer appears highly sensitive to 1 ppm of NO2 in both anhyd. and humid conditions. The selectivity of the self-assembled porphyrin monolayer with respect to other analytes was also examd. and present data show that the presence of CO, CH4, H2, and NH3 does not influence its UV-vis spectrum. Many common solvents slowly affect the position of the Soret band. The presence of HCl vapors results in a broad band extending over the entire 440-500 nm range while the starting Soret disappears. UV-vis measurements on a n-hexane 1.0×10-5 soln. of the 2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphine, that does not contain Ph substituents in the meso positions, show no changes in the optical spectrum upon NO2 interaction. It emerges that arom. substituents in the meso positions play a crucial role in detg. the optical sensing properties. (literal)

Prodotto di

• 4. Sistemi polimerici innovativi ad elevate prestazioni per applicazioni biomediche ed ambientali (PM.P02.009.001) (Modulo)
• Istituto di chimica e tecnologia dei polimeri (ICTP) (Istituto)

Autore CNR

• PLACIDO GIUSEPPE MINEO (Unità di personale interno)
• DANIELE VITALINI (Unità di personale interno)

Incoming links:

Autore CNR di

• DANIELE VITALINI (Unità di personale interno)
• PLACIDO GIUSEPPE MINEO (Unità di personale interno)

Prodotto

• Istituto di chimica e tecnologia dei polimeri (ICTP) (Istituto)
• 4. Sistemi polimerici innovativi ad elevate prestazioni per applicazioni biomediche ed ambientali (PM.P02.009.001) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Chemistry of materials (Rivista)