Ethanol sensing property of novel phthalocyanines substituted with 3,4-dihydroxy-3-cyclobuten-1,2-dione

Ayşegül Yazici, Nida Dalbul, Ahmet Altindal, Bekir Salih, Özer Bekaroǧlu*

*Bu çalışma için yazışmadan sorumlu yazar

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26 Atıf (Scopus)

Özet

The novel mono metallo [Zn(II) 2a and Co(II) 2b] phthalocyanines have been synthesized from compound 1, which can be obtained by the reaction of 4-nitrophthalonitrile with 3,4-dihydroxy-3-cyclobuten-1,2-dione. The novel mono phthalocyanines with cyclobuten unit have been characterized by elemental analysis, UV-vis, FT-IR, 1H NMR, and mass spectroscopy. The effect of humidity on the ethanol sensing capability of the spin coated lilms 2a and 2b has been studied. The results showed that the presence of humidity, acting as interference gas, reduces both sensitivity and response time of the sensors. In addition, studies on response time and repeatability of the sensors have also been carried out. Applications of Elovich and Ritchie kinetic models to adsorption systems were reviewed. Results show that while the Ritchie equation may be applied for low temperature adsorption processes, while Elovich equation generates a straight line that best fit to the data of adsorption of ethanol vapors on Pc films at higher temperature.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)14-22
Sayfa sayısı9
DergiSensors and Actuators, B: Chemical
Hacim202
DOI'lar
Yayın durumuYayınlandı - 31 Eki 2014
Harici olarak yayınlandıEvet

Finansman

This work was supported partly by the Turkish Academy of Sciences (TUBA) and the Research Fund of Fırat University FÜBAP (Project No. 1880 ).

FinansörlerFinansör numarası
Fırat University FÜBAP1880
TUBA
Türkiye Bilimler Akademisi

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