STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface Supramolecular Ordering, Electronic Properties and Reactivity Florian Buchner Buch Springer Theses Englisch - hardcover
2010, ISBN: 9783642148392
[ED: Gebunden], [PU: Springer Berlin], The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It is the key to tailoring catalysts, sensors, or devices for solar energy conversion, whose functional principle is based on the interaction of an active solid surface with another (liquid or gaseous) phase. As an example, planar transition metal complexes adsorbed on solid supports are promising candidates for novel heterogeneous catalysts. An important feature of these catalysts, compared to supported metal clusters, is the fact that the active sites, i. e. , the coordinated metal centers with their vacant axial coordination sites, are well de?ned and uniform. Metalloporphyrinoids are particularly suitable in this respect because they combine a structure forming element-the rigid molecular frame, which often induces long range order-with an active site, the coordinated metal ion. Its planar coordination environment leaves two axial coordination sites available for additional ligands. If adsorbed on a surface, one of these axial sites is occupied by the underlying substrate. The resulting electronic interaction with the surface can be used to tailor the electronic structure and thereby the reactivity of the metal center. The remaining site is free for the attachment of molecules (sensor functionality) and/or operates as a reaction center (single-site catalysis). Prototype examples are omnipresent in nature, where in particular metallo-tetrapyrrols play a decisive role in important biological processes, with the most prominent examples being iron porphyrins in heme, magnesium porphyrins in chlorophyll, and cobalt corrin in vitamin B12., DE, [SC: 0.00], Neuware, gewerbliches Angebot, 170, [GW: 494g], Banküberweisung, PayPal, Sofortüberweisung
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2001, ISBN: 9783642148392
[ED: Buch], [PU: Springer-Verlag GmbH], Neuware - The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It is the key to tailoring catalysts, sensors, or devices for solar energy conversion, whose functional principle is based on the interaction of an active solid surface with another (liquid or gaseous) phase. As an example, planar transition metal complexes adsorbed on solid supports are promising candidates for novel heterogeneous catalysts. An important feature of these catalysts, compared to supported metal clusters, is the fact that the active sites, i. e. , the coordinated metal centers with their vacant axial coordination sites, are well de ned and uniform. Metalloporphyrinoids are particularly suitable in this respect because they combine a structure forming element-the rigid molecular frame, which often induces long range order-with an active site, the coordinated metal ion. Its planar coordination environment leaves two axial coordination sites available for additional ligands. If adsorbed on a surface, one of these axial sites is occupied by the underlying substrate. The resulting electronic interaction with the surface can be used to tailor the electronic structure and thereby the reactivity of the metal center. The remaining site is free for the attachment of molecules (sensor functionality) and/or operates as a reaction center (single-site catalysis). Prototype examples are omnipresent in nature, where in particular metallo-tetrapyrrols play a decisive role in important biological processes, with the most prominent examples being iron porphyrins in heme, magnesium porphyrins in chlorophyll, and cobalt corrin in vitamin B12., DE, [SC: 0.00], Neuware, gewerbliches Angebot, 241x160x15 mm, 170, [GW: 494g], Banküberweisung, PayPal, Offene Rechnung (Vorkasse vorbehalten)
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2001, ISBN: 9783642148392
[ED: Buch], [PU: Springer-Verlag GmbH], Neuware - The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It is the key to tailoring catalysts, sensors, or devices for solar energy conversion, whose functional principle is based on the interaction of an active solid surface with another (liquid or gaseous) phase. As an example, planar transition metal complexes adsorbed on solid supports are promising candidates for novel heterogeneous catalysts. An important feature of these catalysts, compared to supported metal clusters, is the fact that the active sites, i. e. , the coordinated metal centers with their vacant axial coordination sites, are well de ned and uniform. Metalloporphyrinoids are particularly suitable in this respect because they combine a structure forming element-the rigid molecular frame, which often induces long range order-with an active site, the coordinated metal ion. Its planar coordination environment leaves two axial coordination sites available for additional ligands. If adsorbed on a surface, one of these axial sites is occupied by the underlying substrate. The resulting electronic interaction with the surface can be used to tailor the electronic structure and thereby the reactivity of the metal center. The remaining site is free for the attachment of molecules (sensor functionality) and/or operates as a reaction center (single-site catalysis). Prototype examples are omnipresent in nature, where in particular metallo-tetrapyrrols play a decisive role in important biological processes, with the most prominent examples being iron porphyrins in heme, magnesium porphyrins in chlorophyll, and cobalt corrin in vitamin B12., DE, [SC: 0.00], Neuware, gewerbliches Angebot, 241x160x15 mm, 170, [GW: 494g], Banküberweisung, PayPal
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2010, ISBN: 3642148395
STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface ab 39.03 € als gebundene Ausgabe: Supramolecular Ordering Electronic Properties and Reactivity. Auflage 2010. Aus dem Bereich: Bücher, Wissenschaft, Chemie, Medien > Bücher, Springer-Verlag GmbH
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2010, ISBN: 9783642148392
Supramolecular Ordering, Electronic Properties and Reactivity, Buch, Hardcover, 2010, [PU: Springer Berlin], Springer Berlin, 2010
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STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface Supramolecular Ordering, Electronic Properties and Reactivity Florian Buchner Buch Springer Theses Englisch - hardcover
2010, ISBN: 9783642148392
[ED: Gebunden], [PU: Springer Berlin], The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It is the key … More...
Florian Buchner:
STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface - new book2001, ISBN: 9783642148392
[ED: Buch], [PU: Springer-Verlag GmbH], Neuware - The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It … More...
2001
ISBN: 9783642148392
[ED: Buch], [PU: Springer-Verlag GmbH], Neuware - The functionalization of surfaces on the nanoscale is one of the most fascinating and at the same time challenging topics in science. It … More...
2010, ISBN: 3642148395
STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface ab 39.03 € als gebundene Ausgabe: Supramolecular Ordering Electronic Properties and Reactivity. Auflage … More...
2010, ISBN: 9783642148392
Supramolecular Ordering, Electronic Properties and Reactivity, Buch, Hardcover, 2010, [PU: Springer Berlin], Springer Berlin, 2010
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Details of the book - STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface
EAN (ISBN-13): 9783642148392
ISBN (ISBN-10): 3642148395
Hardcover
Publishing year: 2010
Publisher: Springer Berlin
Book in our database since 2014-02-19T10:42:49-05:00 (New York)
Detail page last modified on 2022-07-24T17:38:38-04:00 (New York)
ISBN/EAN: 9783642148392
ISBN - alternate spelling:
3-642-14839-5, 978-3-642-14839-2
Information from Publisher
Author: Florian Buchner
Title: Springer Theses; STM Investigation of Molecular Architectures of Porphyrinoids on a Ag(111) Surface - Supramolecular Ordering, Electronic Properties and Reactivity
Publisher: Springer; Springer Berlin
164 Pages
Publishing year: 2010-11-11
Berlin; Heidelberg; DE
Printed / Made in
Weight: 0,494 kg
Language: English
139,09 € (DE)
142,99 € (AT)
153,50 CHF (CH)
POD
XXVII, 164 p.
BB; Book; Hardcover, Softcover / Chemie/Physikalische Chemie; Physikalische Chemie; Verstehen; Chemie; Porphyrinoids; STEM; STM; Scanning Tunneling Microscopy; Scanning Tunneling Spectroscopy; Self-assembly; Supra; Supramolecular Chemistry; Surface Chemistry; electronics; B; Physical Chemistry; Analytical Chemistry; Solid State Physics; Surface and Interface Science, Thin Films; Energy Systems; Physical Chemistry; Analytical Chemistry; Condensed Matter Physics; Surface and Interface and Thin Film; Electrical Power Engineering; Mechanical Power Engineering; Chemistry and Materials Science; Analytische Chemie; Physik der kondensierten Materie (Flüssigkeits- und Festkörperphysik); Physik der kondensierten Materie (Flüssigkeits- und Festkörperphysik); Elektrotechnik; Energietechnik, Elektrotechnik und Energiemaschinenbau; BC; EA
1 Introduction ...................................................................................................... 1 2 Fundamentals .................................................................................................... 5 2.1 Principle of the STM ............................................................................................ 5 2.2 Origin of the Tunneling Current ........................................................................... 7 2.3 Scanning Tunneling Spectroscopy ...................................................................... 10 2.4 Contrast Mechanism of Molecular Adsorbates ................................................... 13 2.5 Temperature Programmed Desorption ................................................................ 16 2.6 Low Energy Electron Diffraction ....................................................................... 18 3 Experimental Setup ........................................................................................ 21 3.1 UHV System ...................................................................................................... 21 3.2 Scanning Tunneling Microscope ........................................................................ 23 3.3 Control Electronics and Vibration Isolation ........................................................ 26 3.4 Ag(111) ............................................................................................................. 28 3.5 Porphyrinoids..................................................................................................... 30 3.6 Preparation of thin Porphyrinoid Layers ............................................................. 33 3.7 Vapor-deposition of Cobalt and Iron .................................................................. 34 4 Results ............................................................................................................. 39 4.1 Self-Assembly and Individual Appearance of Tetraphenylporphyrins on Ag(111) ............................................................................................................. 41 4.1.1 Epitaxial growth ........................................................................................... 43 4.1.2 Appearance and Intramolecular Conformation .............................................. 48 4.1.3 Ordering Aspects.......................................................................................... 50 4.2 Self-Assembly and Individual Appearance of Cobalt(II)-Tetrakisditertbutylphenylporphyrins on Ag(111) ......................................................................... 61 4.2.1 Polymorphism of CoTTBPP ......................................................................... 62 4.2.2 Polarity-Dependent Appearance ................................................................... 78 ii Table of Contents 4.3 Coordination of Iron and Cobalt Atoms by Tetraphenylporphyrin Monolayers on Ag(111) and Formation of Metal(II)-Tetraphenylporphyrin ......... 83 4.3.1 Coordination of Post-deposited Iron Atoms by Tetraphenylporphyrin Monolayers ................................................................................................... 85 4.3.2 Coordination of Pre-deposited Iron Atoms by Tetraphenylporphyrin Monolayers ................................................................................................... 90 4.3.3 Coordination of Post-deposited Cobalt Atoms by Tetraphenylporphyrin Monolayers ................................................................................................... 94 4.3.4 Discussion of the Metalation Reaction .......................................................... 99 4.4 Different Aspects of 2H-Tetrakisditertbutylphenylporphyrin on Ag(111) .. 103 4.4.1 Monolayer Preparation................................................................................ 104 4.4.2 Arrangement of 2HTTBPP ......................................................................... 107 4More/other books that might be very similar to this book
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