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Examination of Spontaneous Orientation Polarization in Wet‐Processed Tris(8‐hydroxyquinolinato)aluminum Film Measured by Rotary Kelvin Probe Method
Author(s) -
Ohara Masahiro,
Watanabe Tatsuya,
Tanaka Yuya,
Ishii Hisao
Publication year - 2021
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.202170048
Subject(s) - kelvin probe force microscope , tris , aluminium , polarization (electrochemistry) , materials science , analytical chemistry (journal) , chemistry , nanotechnology , composite material , chromatography , atomic force microscopy , biochemistry
Rotary Kelvin Probe Method A new type of rotary Kelvin probe (KP) is developed to measure the spontaneous orientation polarization (SOP) of solution‐processed films under completely dark conditions. It is found that the SOP of solution‐processed tris(8‐hydroxyquinolinato)aluminum (Alq 3 ) film is negligible. The image illustrates Alq 3 molecules suspended in the solvent and the setup of the rotary KP. More details can be found in article number 2000790 by Masahiro Ohara and co‐workers.