Structural Characterization of Conjugated Polyelectrolyte Electron Transport Layers by NEXAFS Spectroscopy | Zendy

Park Juhyun | Zendy; Yang Renqiang | Zendy; Hoven Corey V. | Zendy; Garcia Andres | Zendy; Fischer Daniel A. | Zendy; Nguyen ThucQuyen | Zendy; Bazan Guillermo C. | Zendy; DeLongchamp Dean M. | Zendy

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Structural Characterization of Conjugated Polyelectrolyte Electron Transport Layers by NEXAFS Spectroscopy

Author(s) -

Park Juhyun,

Yang Renqiang,

Hoven Corey V.,

Garcia Andres,

Fischer Daniel A.,

Nguyen ThucQuyen,

Bazan Guillermo C.,

DeLongchamp Dean M.

Publication year - 2008

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200702995

Subject(s) - materials science , polyelectrolyte , xanes , spectroscopy , conjugated system , polymer , counterion , characterization (materials science) , substrate (aquarium) , chemical engineering , surface modification , chemical physics , nanotechnology , ion , organic chemistry , chemistry , composite material , physics , oceanography , quantum mechanics , geology , engineering

NEXAFS spectroscopy of conjugated polyelectrolytes used as the electron transport layer in polymer light‐emitting diodes reveals a substrate‐dependent accumulation of charged groups at the surface (see figure). The measurements are also consistent with a preferential orientation of tetrahedral counterions at the surface.

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