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Electronic properties of BaCuChF (Ch=S,Se,Te) surfaces and BaCuSeF/ZnPc interfaces

Zakutayev, Andriy ; Tate, Janet ; Platt, Heather A. S. ; Keszler, Douglas A. ; Hein, Corinna ; Mayer, Thomas ; Klein, Andreas ; Jaegermann, Wolfram (2021):
Electronic properties of BaCuChF (Ch=S,Se,Te) surfaces and BaCuSeF/ZnPc interfaces. (Publisher's Version)
In: Journal of Applied Physics, 107 (10), AIP Publishing, ISSN 0021-8979, e-ISSN 1089-7550,
DOI: 10.26083/tuprints-00019918,
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Item Type: Article
Origin: Secondary publication service
Status: Publisher's Version
Title: Electronic properties of BaCuChF (Ch=S,Se,Te) surfaces and BaCuSeF/ZnPc interfaces
Language: English
Abstract:

BaCuChF (Ch=S,Se,Te) surfaces and BaCuSeF interfaces with zinc phthalocyanine (ZnPc) were studied by photoelectron spectroscopy. BaCuChF compounds oxidize when exposed to ambient atmosphere. Se capping layers were studied as a means to produce representative surfaces for photoelectron spectroscopic measurements. Decapped BaCuSeF surfaces remain O-free and C-free when the Se layer is evaporated but they become F-deficient. The resulting surfaces have work functions of 4.85 eV and Fermi levels located 0.25 eV above the valence band maximum. In situ stepwise deposition of ZnPc on a BaCuSeF film surface produced a chemically inert interface with a hole-injection barrier of 0.11 eV.

Journal or Publication Title: Journal of Applied Physics
Journal volume: 107
Number: 10
Publisher: AIP Publishing
Collation: 8 Seiten
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Surface Science
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > D - Component properties > Subproject D3: Function and fatigue of oxide electrodes in organic light emitting diodes
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > D - Component properties > Subproject D5: Processing and characterization of Li-Ion Thin film batteries
Date Deposited: 16 Nov 2021 12:35
Last Modified: 16 Nov 2021 12:35
DOI: 10.26083/tuprints-00019918
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-199180
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/19918
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