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Title: H2Pc and pentacene on Cu(110)-(2×1)O: A combined STM and nc-AFM study

Abstract

Scanning tunneling microscopy (STM) and non-contact atomic force microscopy (nc-AFM) with a CuO tip is used to investigate adsorption of metal-free phthalocyanine (H2Pc) and pentacene on the Cu(110)-(2×1)O striped-phase reconstructed surface. We show that the combination of STM and nc-AFM is necessary to reveal the detailed adsorption geometry, necessary for interpreting the observed STM contrast. Comparison of the nc-AFM images with simulations shows that some of the H2Pc molecules are deformed out-of-plane on this surface, while pentacene retains its molecular geometry regardless of adsorption site. Our research highlights how the stiffness of CuO tips makes it possible to probe the structure of organic semiconductor / metal interfaces.

Authors:
 [1];  [2];  [3];  [2]
  1. Northern Arizona Univ., Flagstaff, AZ (United States)
  2. Univ. of Arizona, Tucson, AZ (United States). Dept. of Chemistry and Biochemistry
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1599583
Alternate Identifier(s):
OSTI ID: 1776230
Report Number(s):
BNL-213633-2020-JAAM
Journal ID: ISSN 0039-6028
Grant/Contract Number:  
SC0012704; CHE-1565497
Resource Type:
Accepted Manuscript
Journal Name:
Surface Science
Additional Journal Information:
Journal Volume: 696; Journal Issue: C; Journal ID: ISSN 0039-6028
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Garlant, Angel, Maughan, Bret, Zahl, Percy, and Monti, Oliver L. A.. H2Pc and pentacene on Cu(110)-(2×1)O: A combined STM and nc-AFM study. United States: N. p., 2020. Web. https://doi.org/10.1016/j.susc.2020.121590.
Garlant, Angel, Maughan, Bret, Zahl, Percy, & Monti, Oliver L. A.. H2Pc and pentacene on Cu(110)-(2×1)O: A combined STM and nc-AFM study. United States. https://doi.org/10.1016/j.susc.2020.121590
Garlant, Angel, Maughan, Bret, Zahl, Percy, and Monti, Oliver L. A.. Fri . "H2Pc and pentacene on Cu(110)-(2×1)O: A combined STM and nc-AFM study". United States. https://doi.org/10.1016/j.susc.2020.121590. https://www.osti.gov/servlets/purl/1599583.
@article{osti_1599583,
title = {H2Pc and pentacene on Cu(110)-(2×1)O: A combined STM and nc-AFM study},
author = {Garlant, Angel and Maughan, Bret and Zahl, Percy and Monti, Oliver L. A.},
abstractNote = {Scanning tunneling microscopy (STM) and non-contact atomic force microscopy (nc-AFM) with a CuO tip is used to investigate adsorption of metal-free phthalocyanine (H2Pc) and pentacene on the Cu(110)-(2×1)O striped-phase reconstructed surface. We show that the combination of STM and nc-AFM is necessary to reveal the detailed adsorption geometry, necessary for interpreting the observed STM contrast. Comparison of the nc-AFM images with simulations shows that some of the H2Pc molecules are deformed out-of-plane on this surface, while pentacene retains its molecular geometry regardless of adsorption site. Our research highlights how the stiffness of CuO tips makes it possible to probe the structure of organic semiconductor / metal interfaces.},
doi = {10.1016/j.susc.2020.121590},
journal = {Surface Science},
number = C,
volume = 696,
place = {United States},
year = {2020},
month = {2}
}

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