Electrical properties of a novel 1,3-bis-(p-iminobenzoic acid) indane langmuir-blodgett films containing ZnS nanoparticles

SARI, H., UZUNOGLU, T., CAPAN, R., SERIN, N., SERIN, T., TARIMCI, C., HASSAN, A. K., NAMLI, H. and TURHAN, O. (2007). Electrical properties of a novel 1,3-bis-(p-iminobenzoic acid) indane langmuir-blodgett films containing ZnS nanoparticles. Journal of nanoscience and nanotechnology, 7 (8), 2654-2658.

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Link to published version:: 10.1166/jnn.2007.627

Abstract

ZnS nanoparticles have been formed in a newly synthesized 1,3-bis-(p-iminobenzoic acid) indane (IBI) by exposing Zn2+ doped multilayered Langmuir-Blodgett (LB) film to H2S gas after the growth. The formation of ZnS nanoparticles in the LB film structure was verified by measuring UV-Visible absorption spectra. DC electrical measurements were carried out for thin films of IBI prepared in a metal/LB films/metal sandwich structure with and without ZnS nanoparticles. It was observed that ZnS nanoparticles in the LB films cause a blue-shift in the absorption spectra as well as a decrease in both capacitance and conductivity values. By analysing I-V curves and assuming a Schottky conduction mechanism the barrier height was found to be about 1.13 eV and 1.21 eV for IBI LB films without and with ZnS nanoparticles, respectively. It is thought that the presence of ZnS nanoparticles influences the barrier height at the metal-organic film interface and causes a change in electrical conduction properties of LB films.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1166/jnn.2007.627
Depositing User: Helen Garner
Date Deposited: 19 May 2010 16:02
Last Modified: 19 May 2010 16:02
URI: http://shura.shu.ac.uk/id/eprint/2003

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