IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Recent Progress in Organic Molecular Electronics and Biotechnology
Gap States of a Polyethylene Model Oligomer Observed by Using High-Sensitivity Ultraviolet Photoelectron Spectroscopy
Yuki YAMAGUCHIKohei SHIMIZUAtsushi MATSUZAKIDaisuke SANOTomoya SATOYuya TANAKAHisao ISHII
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2019 Volume E102.C Issue 2 Pages 168-171

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Abstract

The gap states of tetratetracontane (C44H90; TTC), which is a model oligomer of polyethylene, was examined by using high-sensitivity UV photoemission spectroscopy (HS-UPS). The high sensitivity enabled us to directly observe the weak gap states distributed in the HOMO-LUMO gap from the valence band top to 3.0 eV below the vacuum level. On the basis of the density-of-states derived from UPS results, the tribocharging nature of polyethylene was discussed in comparison with our previous result for nylon-6,6 film.

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© 2019 The Institute of Electronics, Information and Communication Engineers
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