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Sensors 2009, 9(7), 5277-5297; doi:10.3390/s90705277
Review

Titanium and Ruthenium Phthalocyanines for NO2 Sensors: A Mini-Review

Anna Maria Paoletti 1,* email, Giovanna Pennesi 1 email, Gentilina Rossi 1 email, Amanda Generosi 2 email, Barbara Paci 2 email and Valerio Rossi Albertini 2 email
1 CNR Istituto di Struttura della Materia, Sede di Montelibretti, P.B. 10, 00016 Monterotondo Stazione, Italy 2 CNR Istituto di Struttura della Materia, Sede di TorVergata, Via del Fosso del Cavaliere, 100 - 00133 Rome, Italy
* Author to whom correspondence should be addressed.
Received: 20 May 2009; in revised form: 26 June 2009 / Accepted: 2 July 2009 / Published: 6 July 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy)
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Abstract: This review presents studies devoted to the description and comprehension of phenomena connected with the sensing behaviour towards NO2 of films of two phthalocyanines, titanium bis-phthalocyanine and ruthenium phthalocyanine. Spectroscopic, conductometric, and morphological features recorded during exposure to the gas are explained and the mechanisms of gas-molecule interaction are also elucidated. The review also shows how X-ray reflectivity can be a useful tool for monitoring morphological parameters such as thickness and roughness that are demonstrated to be sensitive variables for monitoring the exposure of thin films of sensor materials to NO2 gas.
Keywords: phthalocyanine; X-ray reflectivity; NO2; sensors

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MDPI and ACS Style

Paoletti, A.M.; Pennesi, G.; Rossi, G.; Generosi, A.; Paci, B.; Albertini, V.R. Titanium and Ruthenium Phthalocyanines for NO2 Sensors: A Mini-Review. Sensors 2009, 9, 5277-5297.

AMA Style

Paoletti A.M., Pennesi G., Rossi G., Generosi A., Paci B., Albertini V.R. Titanium and Ruthenium Phthalocyanines for NO2 Sensors: A Mini-Review. Sensors. 2009; 9(7):5277-5297.

Chicago/Turabian Style

Paoletti, Anna Maria; Pennesi, Giovanna; Rossi, Gentilina; Generosi, Amanda; Paci, Barbara; Albertini, Valerio Rossi. 2009. "Titanium and Ruthenium Phthalocyanines for NO2 Sensors: A Mini-Review." Sensors 9, no. 7: 5277-5297.

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