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Optical nonlinearity of MEH-PPV thin film

  • Northeast Normal University
  • Jilin University

Research output: Contribution to journalConference articlepeer-review

Abstract

The Z-scan technique was used to investigate the third-order optical nonlinearity of MEH-PPV and PPV thin-films. The measured magnitude of every x(3) of the two polymers was the order of 10-9 esu and the x(3) of MEH-PPV was larger than that of PPV's. At the same time, the crystal orbital program was used to calculate the electronic structure of two polymers. According to our discussion, the p-(pi) conjugation between the oxygen atom and the PPV main chain in the MEH-PPV should be one of the main reasons for MEH-PPV having the larger x(3) value.

Original languageEnglish
Pages (from-to)741-744
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4086
DOIs
StatePublished - 2000
Event4th International Conference on Thin Film Physics and Applications - Shanghai, China
Duration: 8 May 200011 May 2000

Keywords

  • Conjugated polymer thin-film
  • MEH-PPV
  • Optical nonlinearity
  • PPV

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