Formation of intragap states and achieving balance in carrier mobilities for a PPV derivative bearing the carbazole pendants

Kyungkon Kim; Yongsup Park; Cheol Eui Lee; Jae Won Jang; Jung Il Jin

doi:10.1002/masy.200390027

Formation of intragap states and achieving balance in carrier mobilities for a PPV derivative bearing the carbazole pendants

Kyungkon Kim, Yongsup Park, Cheol Eui Lee, Jae Won Jang, Jung Il Jin

Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

We have found by NEXAFS spectroscopic studies that a PPV derivative (CzEh-PPV) bearing the carbazole pendants form new intragap states when contacted with calcium metal. Moreover, the polymer exhibited much more balanced mobilities of holes and electrons than PPV and MEH-PPV. Such characteristics are believed to bring about low turn-on electric field and improved efficiency for the LED device fabricated with the polymer.

Original language	English
Pages (from-to)	183-190
Number of pages	8
Journal	Macromolecular Symposia
Volume	192
DOIs	https://doi.org/10.1002/masy.200390027
State	Published - Mar 2003

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abstract = "We have found by NEXAFS spectroscopic studies that a PPV derivative (CzEh-PPV) bearing the carbazole pendants form new intragap states when contacted with calcium metal. Moreover, the polymer exhibited much more balanced mobilities of holes and electrons than PPV and MEH-PPV. Such characteristics are believed to bring about low turn-on electric field and improved efficiency for the LED device fabricated with the polymer.",

author = "Kyungkon Kim and Yongsup Park and Lee, {Cheol Eui} and Jang, {Jae Won} and Jin, {Jung Il}",

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AU - Lee, Cheol Eui

AU - Jang, Jae Won

AU - Jin, Jung Il

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AB - We have found by NEXAFS spectroscopic studies that a PPV derivative (CzEh-PPV) bearing the carbazole pendants form new intragap states when contacted with calcium metal. Moreover, the polymer exhibited much more balanced mobilities of holes and electrons than PPV and MEH-PPV. Such characteristics are believed to bring about low turn-on electric field and improved efficiency for the LED device fabricated with the polymer.

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Formation of intragap states and achieving balance in carrier mobilities for a PPV derivative bearing the carbazole pendants

Abstract

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