P‐230:  Late‐News‐Poster:  Evaluations of Lithium‐Fluoride Behavior in OLEDs by Means of Cyclic‐Displacement Current‐Measurement Method | Zendy

Inoue Masaru | Zendy; Kaneko Yoshiyuki | Zendy; Fujimoto Hiroshi | Zendy; Miyazaki Hiroshi | Zendy; Adachi Chihaya | Zendy

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P‐230: Late‐News‐Poster: Evaluations of Lithium‐Fluoride Behavior in OLEDs by Means of Cyclic‐Displacement Current‐Measurement Method

Author(s) -

Inoue Masaru,

Kaneko Yoshiyuki,

Fujimoto Hiroshi,

Miyazaki Hiroshi,

Adachi Chihaya

Publication year - 2020

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1002/sdtp.14338

Subject(s) - lithium fluoride , oled , displacement current , materials science , current (fluid) , lithium (medication) , fluoride , displacement (psychology) , voltage , optoelectronics , composite material , analytical chemistry (journal) , layer (electronics) , chemistry , electrical engineering , inorganic chemistry , chromatography , engineering , psychology , psychotherapist , medicine , endocrinology

We propose a cyclic displacement current measurement method to investigate the behavior of lithium fluoride (LiF) in OLEDs by applying a cyclic voltage and measuring a repeatable current. We found that a LiF layer reduces electron injection barrier, increases a hole injection barrier, and improves the discharge process. This method allows us to clarify the charge injection process of OLEDs in detail.

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