Surfactant effect on the conductivity behavior of CsH2PO 4: Characterization by electrochemical impedance spectroscopy

S. Hosseini, M. Homaiee, Abu Bakar Mohamad, M. R. Malekbala, A. A H Khadum

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Cesium dihydrogen phosphate (CDP) nanoparticles were synthesized using the surfactants cetyltrimethyl ammonium bromide (CTAB), polyoxyethylenepolyoxypropylene (F-68) and (F-68:CTAB) with molar ratio 0.06. The samples conductivity such as CDPCTAB, CDPF-68 and CDP(F-68:CTAB)0.06 was studied by impedance spectroscopy in the frequency range 0.01 Hz to 1 MHz. The Nyquist plots were drawn at different temperatures of 210, 230 and 260 °C, which are defined below transition, phase transition and above transition, respectively. The measured conductivities obey the Arrhenius relation. The influence of surfactants on conductivity are more significant at higher temperature due to grain boundary. The conductivity of CDPCTAB increased slightly with increasing temperature to 260 °C, whereas the conductivity of other samples decreased with increasing temperature over 230 °C. The results indicated that the conductivities increase in the order of CDPCTAB>CDP (F-68:CTAB)0.06>CDPF-68. These are in accordance to the ion exchange capacities of the samples that the surfactant shows a direct influence on the samples proton mobility. It is found that the conductivity of CsH2PO4 is influenced by surfactant type.

Original languageEnglish
Pages (from-to)1689-1694
Number of pages6
JournalPhysica B: Condensed Matter
Volume406
Issue number9
DOIs
Publication statusPublished - 15 Apr 2011

Fingerprint

Electrochemical impedance spectroscopy
Surface-Active Agents
Cesium
Surface active agents
surfactants
impedance
ammonium bromides
conductivity
Phosphates
spectroscopy
cesium
phosphates
Temperature
Protons
Ion exchange
Grain boundaries
Phase transitions
Spectroscopy
Nanoparticles
ammonium bromide

Keywords

  • Cesium dihydrogen phosphate
  • Impedance spectroscopy
  • Protonic conductivity
  • Surfactant

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Surfactant effect on the conductivity behavior of CsH2PO 4 : Characterization by electrochemical impedance spectroscopy. / Hosseini, S.; Homaiee, M.; Mohamad, Abu Bakar; Malekbala, M. R.; Khadum, A. A H.

In: Physica B: Condensed Matter, Vol. 406, No. 9, 15.04.2011, p. 1689-1694.

Research output: Contribution to journalArticle

Hosseini, S. ; Homaiee, M. ; Mohamad, Abu Bakar ; Malekbala, M. R. ; Khadum, A. A H. / Surfactant effect on the conductivity behavior of CsH2PO 4 : Characterization by electrochemical impedance spectroscopy. In: Physica B: Condensed Matter. 2011 ; Vol. 406, No. 9. pp. 1689-1694.
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