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The gas sensing capabilities of Langmuir–Blodgett (LB) mixed films of 5,10,15,20-tetrakis[3,4-bis(2-ethylhexyloxy)phenyl]-21H,23H-porphine (EHO) and p-tert-butylcalix[8]arene (C8A) have been studied in this work. Although EHO is known to be very sensitive to NO 2 gas, this study demonstrates that the C8A matrix improves the sensing properties of the porphyrin molecules in the solid state....
By using ellipsometry at the air–water interface, we determined the optical parameters of a mixed monolayer containing an anionic phospholipid matrix (DMPA), and a cationic porphyrin (Ni-TMPyP, Ni(II)-tetrakis(4-methylpyridyl) porphyrin) as large counter ion, in molar ratio Ni-TMPyP/DMPA=1:4 to further describe the organization of this film. The nulling ellipsometric measurements were done on two...
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