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Hemauer F, Steinrück HP, Papp C. The Norbornadiene/Quadricyclane Pair as Molecular Solar Thermal Energy Storage System: Surface Science Investigations. Chemphyschem 2024; 25:e202300806. [PMID: 38375756 DOI: 10.1002/cphc.202300806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 02/21/2024]
Abstract
For the transition to renewable energy sources, novel energy storage materials are more important than ever. This review addresses so-called molecular solar thermal (MOST) systems, which appear very promising since they combine light harvesting and energy storing in one-photon one-molecule processes. The focus is on norbornadiene (NBD), a particularly interesting candidate, which is converted to the strained valence isomer quadricyclane (QC) upon irradiation. The stored energy can be released on demand. The energy-releasing cycloreversion from QC to NBD can be initiated by a thermal, catalytic, or electrochemical trigger. The reversibility of the energy storage and release cycles determines the general practicality of a MOST system. In the search for derivatives, which enable large-scale applications, fundamental surface science studies help to assess the feasibility of potential substituted NBD/QC couples. We include investigations under well-defined ultra-high vacuum (UHV) conditions as well as experiments in liquid phase. Next to the influence of the catalytically active surfaces on the isomerization between the two valence isomers, information on adsorption geometries, thermal stability limits, and reaction pathways of the respective molecules are discussed. Moreover, laboratory-scaled test devices demonstrate the proof of concept in various areas of application.
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Affiliation(s)
- Felix Hemauer
- Lehrstuhl für Physikalische Chemie II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany
- Angewandte Physikalische Chemie, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
| | - Hans-Peter Steinrück
- Lehrstuhl für Physikalische Chemie II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany
- Erlangen Center for Interface Research and Catalysis (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany
| | - Christian Papp
- Angewandte Physikalische Chemie, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
- Erlangen Center for Interface Research and Catalysis (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany
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Franz E, Stumm C, Waidhas F, Bertram M, Jevric M, Orrego-Hernández J, Hölzel H, Moth-Poulsen K, Brummel O, Libuda J. Tunable Energy Release in a Reversible Molecular Solar Thermal System. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Evanie Franz
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
| | - Corinna Stumm
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
| | - Fabian Waidhas
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
| | - Manon Bertram
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
| | - Martyn Jevric
- Chalmers University of Technology, Kemivägen 4, Gothenburg 41296, Sweden
| | | | - Helen Hölzel
- Chalmers University of Technology, Kemivägen 4, Gothenburg 41296, Sweden
| | - Kasper Moth-Poulsen
- Chalmers University of Technology, Kemivägen 4, Gothenburg 41296, Sweden
- The Institute of Materials Science of Barcelona, ICMAB-CSIC, Bellaterra, Barcelona 08193, Spain
- Catalan Institution for Research & Advanced Studies, ICREA, Pg. Lluís Companys 23, Barcelona 08010, Spain
| | - Olaf Brummel
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
| | - Jörg Libuda
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, Erlangen 91058, Germany
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Schulte R, Ihmels H. Borylated norbornadiene derivatives: Synthesis and application in Pd-catalyzed Suzuki-Miyaura coupling reactions. Beilstein J Org Chem 2022; 18:368-373. [PMID: 35422884 PMCID: PMC8978913 DOI: 10.3762/bjoc.18.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/22/2022] [Indexed: 11/23/2022] Open
Abstract
The photochromic norbornadiene/quadricyclane system is among the most promising candidates for molecular solar thermal (MOST) energy storage. As in this context there is still the need for new tailor-made derivatives, borylated norbornadienes were synthesized that may be used as versatile building blocks. Thus, the 4,4,5,5-tetramethyl-2-(bicyclo[2.2.1]heptadien-2-yl)-1,3,2-dioxaborolane was prepared and shown to be a suitable substrate for Pd-catalyzed Suzuki-Miyaura coupling reactions with selected haloarenes. It was demonstrated exemplarily that the novel monosubstituted 2-(1-naphthyl)norbornadiene, that is accessible through this route, is transformed to the corresponding quadricyclane upon irradiation, whereas the back reaction can be accomplished by thermal treatment.
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Affiliation(s)
- Robin Schulte
- Department of Chemistry and Biology, University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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Leistner AL, Pianowski Z. Smart photochromic materials triggered with visible light. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Anna-Lena Leistner
- KIT: Karlsruher Institut fur Technologie Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe GERMANY
| | - Zbigniew Pianowski
- Karlsruher Institut fur Technologie Fakultat fur Chemie und Biowissenschaften Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe GERMANY
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Hamer S, von Glasenapp JS, Röhricht F, Li C, Berndt R, Herges R. Azimuthal Dipolar Rotor Arrays on Surfaces. Chemistry 2021; 27:17452-17458. [PMID: 34664752 PMCID: PMC9298050 DOI: 10.1002/chem.202103237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Indexed: 11/18/2022]
Abstract
A set of dipolar molecular rotor compounds was designed, synthesized and adsorbed as self‐assembled 2D arrays on Ag(111) surfaces. The title molecules are constructed from three building blocks: (a) 4,8,12‐trioxatriangulene (TOTA) platforms that are known to physisorb on metal surfaces such as Au(111) and Ag(111), (b) phenyl groups attached to the central carbon atom that function as pivot joints to reduce the barrier to rotation, (c) pyridine and pyridazine units as small dipolar units on top. Theoretical calculations and scanning tunneling microscopy (STM) investigations hint at the fact that the dipoles of neighboring rotors interact through space through pairs of energetically favorable head‐to‐tail arrangements.
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Affiliation(s)
- Sebastian Hamer
- Otto-Diels-Institut für Organische Chemie, Kiel University, Otto-Hahn-Platz 4, 24098, Kiel, Germany
| | - Jan-Simon von Glasenapp
- Otto-Diels-Institut für Organische Chemie, Kiel University, Otto-Hahn-Platz 4, 24098, Kiel, Germany
| | - Fynn Röhricht
- Otto-Diels-Institut für Organische Chemie, Kiel University, Otto-Hahn-Platz 4, 24098, Kiel, Germany
| | - Chao Li
- Institut für Experimentelle und Angewandte Physik, Kiel University, Leibnizstrasse 19, 24098, Kiel, Germany
| | - Richard Berndt
- Institut für Experimentelle und Angewandte Physik, Kiel University, Leibnizstrasse 19, 24098, Kiel, Germany
| | - Rainer Herges
- Otto-Diels-Institut für Organische Chemie, Kiel University, Otto-Hahn-Platz 4, 24098, Kiel, Germany
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Samba WK, Tia R, Adei E. A density functional theory study of the reactions of furans with substituted alkynes to form oxanorbornadienes and subsequent [4 + 2] and [2 + 2 + 2] addition reactions. J PHYS ORG CHEM 2021. [DOI: 10.1002/poc.4281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wisdom Kwaku Samba
- Theoretical and Computational Chemistry Laboratory, Department of Chemistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Richard Tia
- Theoretical and Computational Chemistry Laboratory, Department of Chemistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Evans Adei
- Theoretical and Computational Chemistry Laboratory, Department of Chemistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
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Shaikh AC, Veleta JM, Moutet J, Gianetti TL. Trioxatriangulenium (TOTA +) as a robust carbon-based Lewis acid in frustrated Lewis pair chemistry. Chem Sci 2021; 12:4841-4849. [PMID: 34168760 PMCID: PMC8179643 DOI: 10.1039/d0sc05893a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 02/07/2021] [Indexed: 12/15/2022] Open
Abstract
We report the reactivity between the water stable Lewis acidic trioxatriangulenium ion (TOTA+) and a series of Lewis bases such as phosphines and N-heterocyclic carbene (NHC). The nature of the Lewis acid-base interaction was analyzed via variable temperature (VT) NMR spectroscopy, single-crystal X-ray diffraction, UV-visible spectroscopy, and DFT calculations. While small and strongly nucleophilic phosphines, such as PMe3, led to the formation of a Lewis acid-base adduct, frustrated Lewis pairs (FLPs) were observed for sterically hindered bases such as P( t Bu)3. The TOTA+-P( t Bu)3 FLP was characterized as an encounter complex, and found to promote the heterolytic cleavage of disulfide bonds, formaldehyde fixation, dehydrogenation of 1,4-cyclohexadiene, heterolytic cleavage of the C-Br bonds, and interception of Staudinger reaction intermediates. Moreover, TOTA+ and NHC were found to first undergo single-electron transfer (SET) to form [TOTA]·[NHC]˙+, which was confirmed via electron paramagnetic resonance (EPR) spectroscopy, and subsequently form a [TOTA-NHC]+ adduct or a mixture of products depending the reaction conditions used.
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Affiliation(s)
- Aslam C Shaikh
- University of Arizona, Department of Chemistry and Biochemistry Tucson AZ USA
| | - José M Veleta
- University of Arizona, Department of Chemistry and Biochemistry Tucson AZ USA
| | - Jules Moutet
- University of Arizona, Department of Chemistry and Biochemistry Tucson AZ USA
| | - Thomas L Gianetti
- University of Arizona, Department of Chemistry and Biochemistry Tucson AZ USA
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Jasper-Tönnies T, Gruber M, Ulrich S, Herges R, Berndt R. Coverage-Controlled Superstructures of C 3 -Symmetric Molecules: Honeycomb versus Hexagonal Tiling. Angew Chem Int Ed Engl 2020; 59:7008-7017. [PMID: 32106353 PMCID: PMC7216838 DOI: 10.1002/anie.202001383] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Indexed: 11/06/2022]
Abstract
The competition between honeycomb and hexagonal tiling of molecular units can lead to large honeycomb superstructures on surfaces. Such superstructures exhibit pores that may be used as 2D templates for functional guest molecules. Honeycomb superstructures of molecules that comprise a C3 symmetric platform on Au(111) and Ag(111) surfaces are presented. The superstructures cover nearly mesoscopic areas with unit cells containing up to 3000 molecules, more than an order of magnitude larger than previously reported. The unit cell size may be controlled by the coverage. A fairly general model was developed to describe the energetics of honeycomb superstructures built from C3 symmetric units. Based on three parameters that characterize two competing bonding arrangements, the model is consistent with the present experimental data and also reproduces various published results. The model identifies the relevant driving force, mostly related to geometric aspects, of the pattern formation.
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Affiliation(s)
- Torben Jasper-Tönnies
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität, 24098, Kiel, Germany
| | - Manuel Gruber
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität, 24098, Kiel, Germany
| | - Sandra Ulrich
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität, 24098, Kiel, Germany
| | - Rainer Herges
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität, 24098, Kiel, Germany
| | - Richard Berndt
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität, 24098, Kiel, Germany
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Jasper‐Tönnies T, Gruber M, Ulrich S, Herges R, Berndt R. Coverage‐Controlled Superstructures of
C
3
‐Symmetric Molecules: Honeycomb versus Hexagonal Tiling. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001383] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Torben Jasper‐Tönnies
- Institut für Experimentelle und Angewandte Physik Christian-Albrechts-Universität 24098 Kiel Germany
| | - Manuel Gruber
- Institut für Experimentelle und Angewandte Physik Christian-Albrechts-Universität 24098 Kiel Germany
| | - Sandra Ulrich
- Otto-Diels-Institut für Organische Chemie Christian-Albrechts-Universität 24098 Kiel Germany
| | - Rainer Herges
- Otto-Diels-Institut für Organische Chemie Christian-Albrechts-Universität 24098 Kiel Germany
| | - Richard Berndt
- Institut für Experimentelle und Angewandte Physik Christian-Albrechts-Universität 24098 Kiel Germany
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