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A Novel Non Electrically Prepared Nano Prussian Yellow Film Modifi ed Electrode: As a Sensor for Ascorbic Acid

[ Vol. 13 , Issue. 5 ]

Author(s):

Abeer Baioun*, Hassan Kellawi, Ahamed Falah and Ibrahim Alghoraibi   Pages 476 - 484 ( 9 )

Abstract:


Background: There are enormous methods for modifying electrodes by Prussian blue analogues. We present here rather a very straight forward method of modification by noval nonelectrical deposition of PY nano thin film as a modifier ITO substrate.

Methods: PY film was deposited on ITO substrate by simply dipping it in liquid mixture solution of Fe+3 and Fe(CN)6 -3 in water at (30C0) the resultant film was washed dried and characterized by XRD,AFM,UV and FTIR.

Results: Prepared PY films showed remarkable properties especially electro catalytic activity towards oxidation of AA, so the PY modified electrode was used as a sensor for AA with satisfactory sensitivity and practical linear range.

Conclusion: A new type of a nano PY film modified ITO electrode by very versatile and direct method by dip dry method, such PY film shows remarkable electrochemical properties and stability. PY film as a sensor offered a linear response to AA.

Keywords:

Prussian yellow (PY), Prussian blue (PB), Prussian white (PW), Cyclic voltammetry (CV), Electro-catalytic reduction, Ascorbic acid (AA), Sensor, Layer-by-layer (LbL) and chronoamperometry CA.

Affiliation:

Department of Chemistry, Faculty of Science, Damascus University, Damascus, Department of Chemistry, Faculty of Science, Damascus University, Damascus, Department of Chemistry, Faculty of Science, Damascus University, Damascus, Department of Physics, Faculty of Science, Damascus University, Damascus

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