EFFECT OF NON-UNIFORM ELECTRIC FIELD FREQUENCY ON CRACK FORMATION DURING ELECTROPHORETIC DEPOSITION OF ZNO NANOPARTICLES FOR CO GAS SENSING APPLICATIONS

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GHASHGHAIE S.; MARZBANRAD E.; RAISSI B.; SHOJAYI N.

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Journal: NANOMATERIALS (JOURNAL OF NANOCOMPOSITE MATERIALS RESEARCH) Year:2012 | Volume:4 | Issue:9 Page(s): 33-39

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Title

EFFECT OF NON-UNIFORM ELECTRIC FIELD FREQUENCY ON CRACK FORMATION DURING ELECTROPHORETIC DEPOSITION OF ZNO NANOPARTICLES FOR CO GAS SENSING APPLICATIONS

Author(s)

GHASHGHAIE S. | MARZBANRAD E. | RAISSI B. | SHOJAYI N. | Issue Writer Certificate

Keywords

NON-UNIFORM ELECTRIC FIELDQ3

GAS SENSORQ3

COQ2

ZNO NANOPARTICLESQ2

Abstract

In the present study, NON-UNIFORM ELECTRIC FIELDs were applied as a simple COst-effective technique to manipulate ceramic nanoparticles for the fabrication of GAS SENSORs. For this purpose, electrophoretic deposition of ZNO NANOPARTICLES was performed on CO-planar gold electrodes at 35 V for 15 min to obtain a crack free layer. Scanning electron (SE) and optical microscopy (OM) images showed that at 1 Hz, the obtained layer would be cracked. As the frequency was increased to 100 Hz and 1 kHz, particles presence within the electrode gap was reduced due to a change in deposition mechanism. At 10 kHz, COnsidering the dominance of dielectrophoresis force exerted on the dipole moment of suspended particles, they were aligned along the electric field lines bridging the inter-electrode gap by forming chains which hindered crack formation. The optimized PCF COnditions were then employed to fabricate a CO GAS SENSOR which showed a clear and stable response to the target gas at 400, 450 and 500oC.

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APA: Copy

GHASHGHAIE, S., MARZBANRAD, E., RAISSI, B., & SHOJAYI, N.. (2012). EFFECT OF NON-UNIFORM ELECTRIC FIELD FREQUENCY ON CRACK FORMATION DURING ELECTROPHORETIC DEPOSITION OF ZNO NANOPARTICLES FOR CO GAS SENSING APPLICATIONS. NANOMATERIALS (JOURNAL OF NANOCOMPOSITE MATERIALS RESEARCH), 4(9), 33-39. SID. https://sid.ir/paper/185868/en

Vancouver: Copy

GHASHGHAIE S., MARZBANRAD E., RAISSI B., SHOJAYI N.. EFFECT OF NON-UNIFORM ELECTRIC FIELD FREQUENCY ON CRACK FORMATION DURING ELECTROPHORETIC DEPOSITION OF ZNO NANOPARTICLES FOR CO GAS SENSING APPLICATIONS. NANOMATERIALS (JOURNAL OF NANOCOMPOSITE MATERIALS RESEARCH)[Internet]. 2012;4(9):33-39. Available from: https://sid.ir/paper/185868/en

IEEE: Copy

S. GHASHGHAIE, E. MARZBANRAD, B. RAISSI, and N. SHOJAYI, “EFFECT OF NON-UNIFORM ELECTRIC FIELD FREQUENCY ON CRACK FORMATION DURING ELECTROPHORETIC DEPOSITION OF ZNO NANOPARTICLES FOR CO GAS SENSING APPLICATIONS,” NANOMATERIALS (JOURNAL OF NANOCOMPOSITE MATERIALS RESEARCH), vol. 4, no. 9, pp. 33–39, 2012, [Online]. Available: https://sid.ir/paper/185868/en

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