Gas Mixture Sensor Based on Polyaniline-Chloroaluminium Phthalocyanine Nanocomposite Thin Films

Azim-Araghi, M.E.; Jafari, Mohammad Javad; Barhemat, Samira; Karimi-Kerdabadi, Ebrahim

doi:10.1166/sl.2011.1682

Cited by 16 publications

(10 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The sensitivity of devices versus humidity, ammonia and ethanol has been investigated as function of analyte concentration and working temperature [20]. The behavior of ClAlPc films on exposure to NO 2 , Cl 2 and NH 3 gases has also been investigated by Azim-Araghi and co-workers [21,22].…”

Section: Introductionmentioning

confidence: 99%

Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance

Evyapan

Kadem

Basova

et al. 2016

Sensors and Actuators B: Chemical

View full text Add to dashboard Cite

This document is the author deposited version. You are advised to consult the publisher's version if you wish to cite from it. Published versionEVYAPAN, Murat, KADEM, Burak, BASOVA, Tamara V., YUSHINA, Irina V. and HASSAN, Aseel (2016). Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance. Sensors and Actuators B: Chemical, 236, 605-613. Copyright and re-use policySee http://shura.shu.ac.uk/information.html Sheffield Hallam University Research Archivehttp://shura.shu.ac.uk Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance AbstractIn this work, thin films of chloroaluminium phthalocyanine (ClAlPc), fluoroaluminium phthalocyanine (FAlPc) and fluorochromium phthalocyanine (FCrPc), which are insoluble in conventional solvents, were deposited by spin coating of their solutions in trifluoroacetic acid.The sensing response of these films versus acetic acid, three alcohols (methanol, ethanol, butanol) and three amines (methylamine, dimethylamine, trimethylamine) have been investigated using surface plasmon resonance as the sensing method. It has been shown that the sensor response of the investigated films decreases in the following order: acetic acid > alcohols > amines. The optical changes as monitored by SPR method have been used in conjunction with Fick's second law of diffusion to determine the diffusion coefficients of analyte vapor during the films' swelling process. The obtained results showed that the diffusion coefficients and the swelling characteristics of the films are dependent on the functional group of the phthalocyanine molecule and the molecular size of the analyte.

show abstract

Section: Introductionmentioning

confidence: 99%

Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance

Evyapan

Kadem

Basova

et al. 2016

Sensors and Actuators B: Chemical

View full text Add to dashboard Cite

show abstract

“…Nanostructured organic materials such as conducting polymers and the phthalocyanine family are under intensive investigation to ascertain their suitability as viable gas sensing materials . Metalophthalocyanines (MPcs) are p‐type organic semiconductors with good thermal and chemical stabilities; their nanostructures have been proposed to be used for various applications including chemical sensors, solar cells, photovoltaic devices, electrocatalysis, and other photoelectronic devices . Phthalocyanines include conjugated π‐electron systems with 18 π‐electrons in their skeletal structures.…”

Section: Introductionmentioning

confidence: 99%

“…IUPAC's report and Nylander's review are two important literatures for classification of gas sensors and configuration of different sensors. Morphology and thickness of active layers are two important factors to prepare a sensitive film as gas sensor . The MPc materials are always prepared in thin film form to increase the surface area to be used as gas sensors .…”

Section: Introductionmentioning

confidence: 99%

Effect of post‐deposition annealing on surface morphology and gas sensing properties of palladium phthalocyanine thin films

Jafari¹,

Azim-Araghi²,

Barhemat³

et al. 2012

Surface & Interface Analysis

Self Cite

View full text Add to dashboard Cite

aThe effect of post-deposition annealing on surface morphology and gas sensing properties of palladium phthalocyanine (PdPc) nanostructured thin films has been studied. PdPc thin films were deposited on polyborosilicate substrate by thermal evaporation technique at room temperature. The surface morphology of thin films was investigated by SEM, X-ray diffraction, and optical absorption. X-ray diffraction patterns showed a phase transition from a to b based on post-deposition annealing at temperatures above 200 C. The SEM and optical absorption confirmed that annealing strongly influenced the surface morphology of nanostructured thin films. Sandwich devices (Au|PdPc|Al) were fabricated and exposed to different concentrations of NO 2 and NH 3 as oxidizing and reducing gases at different temperatures, and the sensitivity of devices were obtained versus gases. Obtained results showed a-PdPc thin film devices had higher sensitivity in comparison with devices in b-phase. In particular, it was found that the sensitivity of devices is temperature dependent and the best operating temperature range of devices was measured at about 90-100 C. Devices showed good reversibility, response, and recovery time at room temperature. Finally, the stability of sensors was investigated for a period of about 1 year; results showed that the sensors were stable for 2 months and lost about 30% of their sensitivity after 1 year.

show abstract

“…According to the literature, halogenated Pcs exhibit a favorable morphological structure and high thermal stability compared to metal Pcs [ 36 , 37 ]. In a few studies, ClAlPc and its composites have been utilized in gas and humidity sensors [ 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 ]. In 2011, Azim-Araghi et al [ 42 ] studied the effect of temperature and humidity on a ClAlPc-based O 2 sensor.…”

Section: Introductionmentioning

confidence: 99%

Solution-Processed Chloroaluminum Phthalocyanine (ClAlPc) Ammonia Gas Sensor with Vertical Organic Porous Diodes

Madhaiyan

Sun

Zan

et al. 2021

Sensors

View full text Add to dashboard Cite

In this research work, the gas sensing properties of halogenated chloroaluminum phthalocyanine (ClAlPc) thin films were studied at room temperature. We fabricated an air-stable ClAlPc gas sensor based on a vertical organic diode (VOD) with a porous top electrode by the solution process method. The surface morphology of the solution-processed ClAlPc thin film was examined by field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM). The proposed ClAlPc-based VOD sensor can detect ammonia (NH3) gas at the ppb level (100~1000 ppb) at room temperature. Additionally, the ClAlPc sensor was highly selective towards NH3 gas compared to other interfering gases (NO2, ACE, NO, H2S, and CO). In addition, the device lifetime was tested by storing the device at ambient conditions. The effect of relative humidity (RH) on the ClAlPc NH3 gas sensor was also explored. The aim of this study is to extend these findings on halogenated phthalocyanine-based materials to practical electronic nose applications in the future.

show abstract

Gas Mixture Sensor Based on Polyaniline-Chloroaluminium Phthalocyanine Nanocomposite Thin Films

Cited by 16 publications

References 0 publications

Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance

Study of the sensor response of spun metal phthalocyanine films to volatile organic vapors using surface plasmon resonance

Effect of post‐deposition annealing on surface morphology and gas sensing properties of palladium phthalocyanine thin films

Solution-Processed Chloroaluminum Phthalocyanine (ClAlPc) Ammonia Gas Sensor with Vertical Organic Porous Diodes

Contact Info

Product

Resources

About