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Impact of fluorination on interface energetics and growth of pentacene on Ag(111)

DOI: 10.3762/bjnano.11.120 DOI Help

Authors: Qi Wang (Universität Tübingen) , Meng-ting Chen (Soochow University) , Antoni Franco-canellas (University of Tuebingen) , Bin Shen (Universität Tübingen) , Thomas Geiger (Universität Tübingen) , Holger F. Bettinger (Universität Tübingen) , Frank Schreiber (Universität Tübingen) , Ingo Salzmann (Concordia University) , Alexander Gerlach (University of Tuebingen) , Steffen Duhm (Soochow University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Beilstein Journal Of Nanotechnology , VOL 11 , PAGES 1361 - 1370

State: Published (Approved)
Published: September 2020
Diamond Proposal Number(s): 13740

Open Access Open Access

Abstract: We studied the structural and electronic properties of 2,3,9,10-tetrafluoropentacene (F4PEN) on Ag(111) via X-ray standing waves (XSW), low-energy electron diffraction (LEED) as well as ultraviolet and X-ray photoelectron spectroscopy (UPS and XPS). XSW revealed that the adsorption distances of F4PEN in (sub)monolayers on Ag(111) were 3.00 Å for carbon atoms and 3.05 Å for fluorine atoms. The F4PEN monolayer was essentially lying on Ag(111), and multilayers adopted π-stacking. Our study shed light not only on the F4PEN–Ag(111) interface but also on the fundamental adsorption behavior of fluorinated pentacene derivatives on metals in the context of interface energetics and growth mode.

Journal Keywords: decoupling; fluorination; metal–organic interfaces; organic pi-conjugated molecules; X-ray standing wave technique

Subject Areas: Physics, Chemistry

Instruments: I09-Surface and Interface Structural Analysis