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This work reports on the structural and spectroscopic properties, as well as the gas-sensing performance, of ethane-bridged Zn porphyrin dimers (ZnPP) in Langmuir–Schäfer (LS) thin films toward volatile organic compounds in a magneto-optical surface plasmon resonance (MOSPR) configuration. Structural and spectroscopic properties of ethane-bridged ZnPP thin films deposited onto proper Au/Co/Au magneto-optical substrates were inspected in dry air conditions and after exposure to amine vapors by means of IR spectroscopy, scanning probe microscopy, and MOSPR techniques. The molecular organization of the thin films deposited by the LS technique is investigated. The overall results suggest the presence in all cases of mainly the anti-conformer of the investigated porphyrin dimers. The strong interaction between n-butylamine vapors at high concentration and Zn porphyrin thin layers leads to a great …
American Chemical Society
Publication date: 
17 May 2012

Maria Grazia Manera, Elias Ferreiro-Vila, Alfonso Cebollada, José Miguel García-Martín, Antonio García-Martín, Gabriele Giancane, Ludovico Valli, Roberto Rella

Biblio References: 
Volume: 116 Issue: 19 Pages: 10734-10742
The Journal of Physical Chemistry C