Langmuir-Blodgett (LB) films of 5,10,15,20-tetrakis-[4-(1-Heptyloxy) phenyl]porphyrin (H2 THOPP) in a 1/4 molar ratio with arachidic acid have been deposited onto quartz and silver substrates at the surface pressure of 25 mN/m. A detailed analysis of the Langmuir isotherms is presented. Optical absorption spectra show aggregation of the porphyrins in the LB film. The deposited layers have been characterised by Reflectance Anisotropy Spectroscopy (RAS), showing a large anisotropy signal measured in the Soret band energy region. © 2002 Elsevier Science B.V. All rights reserved.
Paolesse, R., Valli, L., Goletti, C., DI NATALE, C., Froiio, A., Macagnano, A., et al. (2002). Langmuir-Blodgett films of a modified tetraphenylporphyrin. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 22(2), 219-225 [10.1016/S0928-4931(02)00169-8].
Langmuir-Blodgett films of a modified tetraphenylporphyrin
PAOLESSE, ROBERTO;GOLETTI, CLAUDIO;DI NATALE, CORRADO;CHIARADIA, PIETRO;D'AMICO, ARNALDO
2002-01-01
Abstract
Langmuir-Blodgett (LB) films of 5,10,15,20-tetrakis-[4-(1-Heptyloxy) phenyl]porphyrin (H2 THOPP) in a 1/4 molar ratio with arachidic acid have been deposited onto quartz and silver substrates at the surface pressure of 25 mN/m. A detailed analysis of the Langmuir isotherms is presented. Optical absorption spectra show aggregation of the porphyrins in the LB film. The deposited layers have been characterised by Reflectance Anisotropy Spectroscopy (RAS), showing a large anisotropy signal measured in the Soret band energy region. © 2002 Elsevier Science B.V. All rights reserved.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
