MAPLE deposition of methoxy Ge triphenylcorrole thin films


Methoxy Ge Triphenylcorrole [Ge(TPC)OCH3] has been recently synthesized and deposited as thin film by the Matrix Assisted Pulsed Laser Evaporation (MAPLE) technique. In the last few years, corroles have been the object of an increasing number of studies and MAPLE technique seems to be a very promising deposition method for organic and polymeric films, producing good results for applications in chemical gas sensing layers production. In this work Ge(TPC)OCH3 thin films were deposited by both spin coating and MAPLE techniques for comparison. The morphology of the films was investigated by Atomic Force Microscopy (AFM), while their optical properties were analyzed by photoluminescence (PL) and UV-vis absorption measurements and were compared with the ones of the starting solution. The film absorption spectrum presented the same peaks with the same relative intensities of that recorded in solution. The luminescence spectra were acquired periodically to evaluate the aging effects and no detectable variations were recorded over a period of 1 month.

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Correspondence to A. P. Caricato.

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Caricato, A.P., Lomascolo, M., Luches, A. et al. MAPLE deposition of methoxy Ge triphenylcorrole thin films. Appl. Phys. A 93, 651–654 (2008).

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  • 78.55.-m
  • 78.66.Qn
  • 81.16.Mk