Journal ArticleDOI
Structure and Ordering Principles of Ultrathin Organic Molecular Films on Surfaces of Layered Semiconductors Organic‐on‐Inorganic MBE
N. Karl,Ch. Guenther +1 more
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In this article, the conditions necessary for order formation are analyzed for hexabenzocoronene (HBC) and naphthalene-tetracarboxylic-dianhydride (NTCDA) on graphite, MoS 2 and GeS.Abstract:
Epitaxially ordered thin films of large planar organic molecules can be obtained on layered inorganic semiconductors by organic molecular beam deposition in UHV. Analysis by low energy electron diffraction (LEED) and thermal desorption spectroscopy (TDS) yields structural parameters and binding energies. The conditions necessary for order formation are analyzed. Epitaxial data are given for hexabenzocoronene (HBC) and naphthalene-tetracarboxylic-dianhydride (NTCDA) on graphite, MoS 2 and GeS.read more
Citations
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Journal ArticleDOI
Influence of molecular order on charge carrier photogeneration in perylene derivative layer
TL;DR: In this paper, the effect of the molecular order on the photogeneration efficiency has been analyzed using the Onsager's model of photovoltaically generated electricity.
Journal ArticleDOI
Dewetting of thin UHV-deposited organic films
Stephan Rath,Helmut Port +1 more
TL;DR: In this paper, the dewetting of thin organic molecular films UHV-deposited on He-cooled substrate is analyzed by optical and AFM microscopies.
Journal ArticleDOI
LEED, STM, and TDS studies of ordered thin films of the rhombus-shaped polycondensed aromatic hydrocarbon C54H22, on MoS2, GeS, and graphite
Christian Günther,Norbert Karl,Jens Pflaum,Rainer Strohmaier,Bruno Gompf,Wolfgang Eisenmenger,Markus Müller,Klaus Müllen +7 more
TL;DR: It is found that this compound forms well-ordered incommensurate superstructures of the closest packed flat-lying molecules in well-defined azimuthal orientations to the substrate.
DissertationDOI
Growth and structure of the organic molecule PTCDA on Ag(111)
TL;DR: In this paper, a 3,4,9,10-perylene-tetracarboxylic dianhydride (PTCDA) films with the average thickness d between 50 and 200 A, and the deposition rate F between 1 and 10 A/min, have been deposited by molecular beam epitaxy on Ag(111).
References
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Journal ArticleDOI
Ultrathin Organic Films Grown by Organic Molecular Beam Deposition and Related Techniques.
TL;DR: This paper is a review of recent progress made in organic thin films grown in ultrahigh vacuum or using other vapor-phase deposition methods and describes the most important work which has been published in this field since the emergence of OMBD in the mid-1980s.
Journal ArticleDOI
Highly ordered structures and submolecular scanning tunnelling microscopy contrast of PTCDA and DM-PBDCI monolayers on Ag(111) and Ag(110)
K. Glöckler,C. Seidel,A. Soukopp,Moritz Sokolowski,E. Umbach,Matthias Böhringer,Richard Berndt,Wolf-Dieter Schneider +7 more
TL;DR: In this article, the nucleation, growth, step site interaction, and superstructures of two perylene derivatives were investigated and compared using scanning tunnelling microscopy (STM) and low energy electron diffraction.
Journal ArticleDOI
THE SURFACE STRUCTURES OF PHTHALOCYANINE MONOLAYERS and VAPOR-GROWN FILMS: A LOW-ENERGY ELECTRON DIFFRACTION STUDY
J. C. Buchholz,G. A. Somorjai +1 more
TL;DR: In this article, the authors studied the epitaxial growth of vapor-deposited crystalline phthalocyanine films on single-crystal copper substrates using low-energy electron diffraction.
Journal ArticleDOI
Surface “architecture” with large organic molecules: interface order and epitaxy
TL;DR: In this paper, it is shown that highly ordered monolayers and thin films of large organic molecules can be prepared by vapour deposition on inorganic single-crystal surfaces using complementary surface-sensitive techniques such as NEXAFS, LEED and STM.
Journal ArticleDOI
Molecular beam epitaxial growth of organic thin films
TL;DR: In this paper, it was shown that the epitaxial growth of organic films is possible on such technologically important materials as silicon and GaAs, if the surfaces of those substrates are changed into quasi van der Waals ones by the proper termination of surface dangling bonds with suitable atoms.