Proton conducting organic-inorganic nanocomposite membranes from MPTS and GPTS

Yong Il Park, Jooho Moon, Hye Kyung Kim

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Novel fast proton-conducting organic-inorganic nanocomposite membranes were successfully fabricated. The polymer matrix obtained through proper oxidation of thiol ligands in (3-mercaptopropyl)trimethoxysilane (MPTS) and hydrolysis/condensation reaction of (3-glycidoxypropyl)trimethoxysilane (GPTS) showed relatively high proton conductivity over 10-2 S/cm at 25°C. The proton conductivities of the fabricated composite membranes increased up to 3.6 7times; 10-1 S/cm by increasing temperature and relative humidity to 70°C and 100% relative humidity. The high proton conductivity of the composites is due to the proton conducting path through the GPTS-derived pseudo-polyethylene oxide network in which sulfonic acid ligand work as proton donor.

Original languageEnglish
Pages (from-to)A191-A194
JournalElectrochemical and Solid-State Letters
Volume8
Issue number4
DOIs
Publication statusPublished - 2005 May 17

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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