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Title: Self-assembly of F16ZnPc thin films and F16ZnPc-ZnPc heterostructures on deactivated Si surfaces studied by scanning tunneling microscopy

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.4967262· OSTI ID:1465364
 [1];  [1];  [1]
  1. Michigan State Univ., East Lansing, MI (United States). Dept. of Physics and Astronomy

Using scanning tunneling microscopy, we show that hexadecafluorinated zinc phthalocyanine (F16ZnPc) molecules form two morphologically different self-assembled structures that both display point-on-line coincident epitaxial registration with the deactivated Si(111)-B 3$$-$$√×3$$-$$√ surface. The packing motif in these structures suggests that fluorination of conjugated organic molecules can lead to stronger molecule-substrate interaction, π-π intermolecular interaction, and side-to-side intermolecular repulsion. Here, the delicate balance and interplay between these interactions determine the self-assembly behavior of fluorinated molecules. Furthermore, we demonstrate the formation of vertically and laterally stacked F16ZnPc-ZnPc heterojunctions, allowing for future spectroscopy investigation of molecular electronic structures and charge transfer behavior at organic-organic hetero-interfaces

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0006400
OSTI ID:
1465364
Alternate ID(s):
OSTI ID: 1332015
Journal Information:
Journal of Chemical Physics, Vol. 146, Issue 5; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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Tailoring the growth and electronic structures of organic molecular thin films journal September 2019

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