Study of Co-phthalocyanine films by surface plasmon resonance spectroscopy

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Serrano, A. and Monton, C. and Valmianski, I. and Gálvez Alonso, Fernando and Cortajarena, Aitziber L. and De la Venta, J. and Schuller, Ivan K. and García, M. A. (2014) Study of Co-phthalocyanine films by surface plasmon resonance spectroscopy. Journal of applied physics, 115 (10). ISSN 0021-8979

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Official URL: http://dx.doi.org/10.1063/1.4868160

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Abstract

We present a Surface Plasmon Resonance spectroscopy study of Co-Phthalocyanine (CoPc) thin films grown on Au layers at different substrate temperatures. We demonstrate that for quantitative analysis, fitting of the resonance angle alone is insufficient and Whole Curve Analysis (WCA) needs to be performed. This is because CoPc thin film dielectric constant and thickness are strongly affected by substrate temperature, even when the total deposited mass remains fixed. Using WCA, we are able to uniquely fit both the dielectric constants and the thicknesses of the films without making a priori assumptions.

Item Type:	Article
Additional Information:	© 2014 AIP Publishing LLC. Alberto Gil and Carlos Alonso are acknowledged for technical help with the experimental setup. This work has been supported by the Spanish Ministerio de Ciencia e Innovacion (MICINN) through the projects Nos. FIS-2008-06249, BIO2012- 34835 and MAT2009-14578-C03-02, Comunidad de Madrid, project NANOBIOMAGNET (S2009/MAT-1726). C.M., I.V., and I.K.S. acknowledge support from the Office of Basic Energy Sciences, U.S. Department of Energy, under Grant No. DE FG03-87ER- 45332. A.L.C. acknowledges the European Commission International Reintegration Grant (IRG-246688) and Marie Curie COFUND “AMAROUT-Europe” Programme for fi- nancial support. A.S. thanks the CSIC for JAE-Predoctoral fellowship.
Uncontrolled Keywords:	Thin-films; Cobalt Phthalocyanine; Copper phthalocyanine; Gold; Interfaces; Absorption; Roughness; Sensors
Subjects:	Sciences > Physics > Materials Sciences > Physics > Solid state physics
ID Code:	42937
Deposited On:	26 May 2017 18:38
Last Modified:	04 Jul 2018 17:44

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