Thermally Stimulated Current Investigation of Copper Octaethylporphyrin Dimer Langmuir−Blodgett Films
Arnold, Dennis, Filippo, Emanuela, Micocci, G, Serra, A, Siciliano, Tiziana, Tepore, A, & Valli, L (2005) Thermally Stimulated Current Investigation of Copper Octaethylporphyrin Dimer Langmuir−Blodgett Films. Langmuir: The A C S Journal of Surfaces and Colloids, 21(1), pp. 294-298.
Langmuir−Blodgett films containing meso,meso‘-buta-1,3-diyne-bridge Cu(II) octaethylporphyrin dimer have been deposited with the aim of carrying out a thermally stimulated current (TSC) investigation. This characterization was obtained upon cooling samples irradiated by light and others without irradiation: in this way TSC curves have been registered in the temperature range of 100−300 K. Analysis of experimental data has been performed through the application of three different approaches: the initial rate, the heating rate, and Chen's methods. In particular, a trap center at about 0.38 eV has been evidenced and the three different methods have given results in close accordance.
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|Item Type:||Journal Article|
|Additional Information:||This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.|
|Keywords:||Langmuir-Blodgett, Porphyrin, Molecular Semiconductors|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Deposited On:||17 Jun 2009 13:04|
|Last Modified:||29 Feb 2012 13:16|
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