Gas Sensing Properties of Carbon Nanotubes Modified with Calixarene Molecules Measured by QCM Techniques

• Authors: Ö. Mermer , S. Okur , F. Sümer , C. Özbek , S. Sayın , M. Yılmaz
• Languages of publication: EN

Abstracts

EN

This study focuses on the characterization and optimization of calixarene modified carbon nanotube thin films for gas detection. Calixarene molecules were synthesized individually by considering their functional groups to attract the gas. Calixarene modified carbon nanotube based sensors were fabricated using drop-casting method on a quartz crystal microbalance gold electrode. Carbon monoxide, carbondioxide, oxygen and dry air were used as active gases for adsorption process, while high-purity nitrogen gas was used for desorption process. The selectivity and sensitivity of calixarene modified carbon nanotube are investigated in detail. Our experimental results show that functional calixarene modified carbon nanotube coated quartz crystal microbalance sensors are very sensitive and selective to gas of CO_2 at room temperature operation.

Keywords

EN

66.30.je; 65.40.gp; 65.40.gk; 65.40.gd; 64.70.fm; 64.10.+h; 51.10.+y

Discipline

• 64.10.+h: General theory of equations of state and phase equilibria(see also 05.70.Ce Thermodynamic functions and equations of state)
• 64.70.fm: Thermodynamics studies of evaporation and condensation(for evaporation and condensation on surfaces, see 68.03.Fg)
• 51.10.+y: Kinetic and transport theory of gases(see also 05.20.Dd Kinetic theory in classical statistical mechanics; see also 47.70.Mc Radiation gas dynamics)
• 65.40.gk: Electrochemical properties(for general electrochemistry, see 82.45.-h)
• 65.40.gp: Surface energy(see also 68.35.Md Surface thermodynamics, surface energies in surfaces and interfaces)
• 65.40.gd: Entropy
• 66.30.je: Diffusion of gases

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 1
• Pages: 240-242

Dates

published

2012-01

Contributors

author

Ö. Mermer

• Department of Electrical and Electronics Engineering, Ege University, 35100, İzmir, Turkey

author

S. Okur

• Department of Phyiscs, Faculty of Sciences, İzmir Institute of Technology, 35430, İzmir, Turkey
• Department of Metallurgy, İzmir Katip Çelebi University, İzmir, Turkey

author

F. Sümer

• Department of Electrical and Electronics Engineering, Ege University, 35100, İzmir, Turkey

author

C. Özbek

• Department of Metallurgy, İzmir Katip Çelebi University, İzmir, Turkey

author

S. Sayın

• Department of Chemistry, Selcuk University, Konya, Turkey

author

M. Yılmaz

• Department of Chemistry, Selcuk University, Konya, Turkey

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Identifiers

DOI

10.12693/APhysPolA.121.240