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Sensors 2015, 15(4), 8121-8130; doi:10.3390/s150408121

Corroles-Porphyrins: A Teamwork for Gas Sensor Arrays

1
Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1,00133 Roma, Italy
2
Department of Chemical Science and Technology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Roma, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Peter Lieberzeit
Received: 2 March 2015 / Revised: 30 March 2015 / Accepted: 2 April 2015 / Published: 8 April 2015
(This article belongs to the Special Issue Mass-Sensitive Sensors Based on Biomimetic Recognition)
View Full-Text   |   Download PDF [259 KB, uploaded 8 April 2015]   |  

Abstract

Porphyrins provide an excellent material for chemical sensors, and they have been used for sensing species both in air and solution. In the gas phase, the broad selectivity of porphyrins is largely dependant on molecular features, such as the metal ion complexed at the core of the aromatic ring and the peripheral substituents. Although these features have been largely exploited to design gas sensor arrays, so far, little attention has been devoted to modify the sensing properties of these macrocycles by variation of the molecular aromatic ring. In this paper, the gas sensing properties of a porphyrin analog, the corrole, are studied in comparison with those of the parent porphyrin. Results show that changes in the aromatic ring have important consequences on the sensitivity and selectivity of the sensors and that porphyrins and corroles can positively cooperate to enhance the performance of sensor arrays. View Full-Text
Keywords: corroles; porphyrins; quartz microbalance; volatile organic compounds corroles; porphyrins; quartz microbalance; volatile organic compounds
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. (CC BY 4.0).

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MDPI and ACS Style

Capuano, R.; Pomarico, G.; Paolesse, R.; Di Natale, C. Corroles-Porphyrins: A Teamwork for Gas Sensor Arrays. Sensors 2015, 15, 8121-8130.

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