1 Ocak 2009 Dergi makalesi Açık Erişim

Deligoz, Huseyin; Yilmazturk, Serpil; Karaca, Tuba; Ozdemir, Hasan; Koc, S. Naci; Oksuzomer, Faruk; Durmus, Ali; Gurkaynak, M. Ali

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  "@id": 38121, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Deligoz, Huseyin"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Yilmazturk, Serpil"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Karaca, Tuba"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Ozdemir, Hasan"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Koc, S. Naci"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Oksuzomer, Faruk"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Durmus, Ali"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Avcilar, Turkey", 
      "name": "Gurkaynak, M. Ali"
    }
  ], 
  "datePublished": "2009-01-01", 
  "description": "The paper is concerned with the deposition of self-assembled polyelectrolyte multilayer on Naflon membrane by layer-by-layer (LbL) technique with lowered methanol cross-over for direct methanol fuel cell (DMFC) applications. The formation of self-assembled multilayered film on Nafion was characterized by UV-vis spectroscopy and it was found that the polyelectrolyte layers growth on the Nafion surface regularly. Furthermore, the proton conductivity and methanol cross-over measurements were carried out for characterization of the LbL self-assembled composite membranes. The results showed that the concentration and pH of the polyelectrolytes significantly affect the proton conductivity and methanol barrier properties of the composite membranes. 10(-1) monomol polyelectrolyte concentration and pH 1.8 was found to be optimum deposition conditions considering proton conductivity and methanol permeation properties of the LbL self-assembled composite membranes. The methanol permeability of the 10 bilayers of PAH1.8/PSS1.8 deposited LbL self-assembly composite membrane was significantly suppressed and found to be 4.41 X 10(-7) cm(2)/s while the proton conductivity value is in acceptable range for fuel cell applications. (C) 2008 Elsevier B.V. All rights reserved.", 
  "headline": "Self-assembled polyelectrolyte multilayered films on Nafion with lowered methanol cross-over for DMFC applications", 
  "identifier": 38121, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Self-assembled polyelectrolyte multilayered films on Nafion with lowered methanol cross-over for DMFC applications", 
  "url": "https://aperta.ulakbim.gov.tr/record/38121"
}