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Polymer Light‐Emitting Electrochemical Cells with Frozen p‐i‐n Junction at Room Temperature
Author(s) -
Yu Gang,
Cao Yong,
Andersson Mats,
Gao Jun,
Heeger Alan J.
Publication year - 1998
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/(sici)1521-4095(199803)10:5<385::aid-adma385>3.0.co;2-m
Subject(s) - materials science , electroluminescence , polymer , optoelectronics , light emitting diode , electrochemical cell , diode , luminescence , oled , fabrication , light emission , blue light , electrochemistry , nanotechnology , electrode , composite material , medicine , chemistry , alternative medicine , layer (electronics) , pathology
Light‐emitting electrochemical cells (LECs) are a new approach to achieving light emission from semiconducting (luminescent) polymers. The fabrication and structure of bright polymer LECs are described that operate at room temperature in the frozen p‐i‐n mode. Their performance characteristics are shown to be similar to those of polymer light‐emitting diodes. Frozen‐junction LECs are demonstrated to fulfill all the criteria for electroluminescent devices suitable for high pixel density, column–row addressable flat‐panel displays.