Crystal Research and Technology
Cryst. Res. Technol. 40, 1028 (2005) - Abstract -

Growth and characterization of hybrid (CnH2n+1NH3)2CuCl4 self-assembled films

F. Chiarella, A. Zappettini, P. Ferro, T. Besagni, F. Licci, A. Cassinese*, M. Barra*, R. Vaglio*, and C. Aruta**

IMEM-CNR, Area delle Scienze 37/A, 43010 Parma, Italy
*INFM-Coherentia and Università di Napoli, Dipartimento di Scienze Fisiche, P.le Tecchio 80, 80125 Napoli, Italy
**INFM-Coherentia and Università di Salerno, Dipartimento di Fisica, Via S. Allende, 84081 Baronissi (SA), Italy

Keywords films, organic-inorganic hybrid, self-assembled structures, copper chloride, aliphatic ammines
PACS 81.07.Pr, 81.15.Kk, 81.16.Dn, 78.66.Nk
DOI 10.1002/crat.200410480

Films of self-assembled (CnH2n+1NH3)2CuCl4 (1≤n≤4) hybrid structures were prepared and characterized with respect to the structure, the optical absorption and the transport properties. The films were deposited in-situ, by the Single Source Thermal Ablation (SSTA) procedure on glassy, crystalline and polymeric substrates. The film structure and the morphology, thickness and roughness were almost independent on the substrate. X-ray diffraction analysis showed that the films are well crystallized and c-axis oriented. Optical absorption measurements in the 9000-52000 cm-1 interval confirmed the good quality of the films. They also proved that the absorption phenomena are mainly related to the inorganic CuCl64- clusters and to their geometrical configuration. Due to the high optical quality of the films novel absorption features were revealed. The electrical transport measurements indicated that the films are insulating at 300 K, with resistivity values ranging between 103 and 104 Ωcm.




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