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https://hdl.handle.net/11147/2617
Title: | Humidity Sensing Properties of Novel Ruthenium Polypyridyl Complex | Authors: | Ocakoğlu, Kasım Okur, Salih |
Keywords: | Ruthenium compounds Charge transfer sensitizer Humidity sensor Photosensitizers Polypyridyl complexes |
Publisher: | Elsevier Ltd. | Source: | Ocakoğlu, K., and Okur, S. (2010). Humidity sensing properties of novel ruthenium polypyridyl complex. Sensors and Actuators, B: Chemical, 151(1), 223-228. doi:10.1016/j.snb.2010.09.017 | Abstract: | We report the characterization of novel ruthenium polypyridyl complex (Ru-PC) based sensor film with a thickness of 50 nm coated on a quartz substrate using a spin coating method for humidity detection. The resulting complex [Ru(L1)2(L2)] was synthesized in a one-pot reaction starting from [RuCl2(p-cymene)]2, where the ligands (L1 = 4,7-diphenyl-1,10-phenanthroline-disulfonic acid disodium salt and L2 = 4,4′-dicarboxy-2,2′-bipyridine) were characterized by NMR, mass spectrometry (MALDI), elemental analysis and UV-vis spectroscopy. The humidity adsorption and desorption kinetics of the ruthenium complex were investigated using the Quartz Crystal Microbalance (QCM) technique. The Langmuir model was used to determine adsorption and desorption rates and Gibbs free energy over the 11-97% relative humidity range. Our experimental results show that Ru-PC films have a great potential for humidity sensing applications at standard conditions (i.e. room temperature). © 2010 Elsevier B.V. All rights reserved. | URI: | http://doi.org/10.1016/j.snb.2010.09.017 http://hdl.handle.net/11147/2617 |
ISSN: | 0925-4005 0925-4005 |
Appears in Collections: | Physics / Fizik Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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