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Journal of Spectroscopy
Volume 2015, Article ID 609175, 8 pages
Research Article

Effect of Salicylic Acid and 5-Sulfosalicylic Acid on UV-Vis Spectroscopic Characteristics, Morphology, and Contact Angles of Spin Coated Polyaniline and Poly(4-aminodiphenylaniline) Thin Films

1Dipartimento di Chimica, Università degli Studi di Milano, CNR-ISTM, Via Golgi 19, 20133 Milano, Italy
2Centro di Eccellenza CIMAINA, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy
3Dipartimento di Fisica “G. Occhialini”, Università degli Studi di Milano-Bicocca, della Scienza 3, 20126 Milano, Italy

Received 17 November 2014; Accepted 20 March 2015

Academic Editor: Simona C. Pinzaru

Copyright © 2015 A. Sironi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Polyaniline and poly(4-aminodiphenyl)aniline have been prepared following two different synthetic protocols (a traditional method and a “green” method). Both the polymers have been spin coated with salicylic acid and 5-sulfosalicylic acid as the dopants, in order to obtain them in form of thin films. These materials have been characterized, thereof achieving important information on their water contact angles and surface morphology.