NMR study of spin dynamics in the-doped PBMPV conducting polymers

C. Lee, Cheol Eui Lee, J. Jin, B. Nam

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We have studied the room-temperature spin dynamics in a series of (Formula presented)-doped poly[2-buthoxy-5-methoxy phenylenevinylene] (PBMPV) conducting polymers by means of (Formula presented) NMR in the Larmor frequency range 20 to 45 MHz. The nuclear magnetization recovery of the (Formula presented)-doped (PBMPV) conducting polymers showed a stretched-exponential form, and the spin-lattice relaxation rate was inversely proportional to the square root of the (Formula presented) Larmor frequency. Our results are consistent with the one-dimensional spin diffusion of the mobile spin-carrying polarons along the main chain, and gave the intrachain diffusion constant as a function of the electrical conductivity.

Original languageEnglish
Pages (from-to)1896-1899
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number4
Publication statusPublished - 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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