Clever, Guido Heinrich

[["dc.bibliographiccitation.firstpage","8279"],["dc.bibliographiccitation.issue","26"],["dc.bibliographiccitation.journal","Journal of the American Chemical Society"],["dc.bibliographiccitation.lastpage","8287"],["dc.bibliographiccitation.volume","138"],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Ahrens, Jennifer"],["dc.contributor.author","Bejenke, Isabel"],["dc.contributor.author","Krick, Marcel"],["dc.contributor.author","Schwarzer, Dirk"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T10:11:43Z"],["dc.date.available","2018-11-07T10:11:43Z"],["dc.date.issued","2016"],["dc.description.abstract","Photon-powered charge separation is achieved in a supramolecular architecture based on the dense packing of functional building blocks. Therefore, self-assembled dimers of interpenetrated coordination cages consisting of redoxactive chromophors were synthesized in a single assembly step starting from easily accessible ligands and Pd(II) cations. Two backbones consisting of electron rich phenothiazine (PTZ) and electron deficient anthraquinone (ANQ) were used to assemble either homo-octameric or mixed-ligand double cages. The electrochemical and spectroscopic properties of the pure cages, mixtures of donor and acceptor cages and the mixed-ligand cages were compared by steady-state UV-vis and transient absorption spectroscopy, supported by cyclic voltammetry and spectroelectrochemistry. Only the mixed-ligand cages, allowing close intra-assembly communication between the donors and acceptors, showed the characteristic PTZ radical cation and ANQ radical anion features upon excitation in the transient spectra. In contrast, excitation of the mixtures of the homo-octameric donor and acceptor cages in solution did not lead to any signs of electron transfer. Densely packed photo- and redox-functional self-assemblies promise molecular-level control over the morphology of the charge separation layer in future photovoltaic applications."],["dc.description.sponsorship","Evonik Foundation; FCI; DFG [SFB 1073, CL 489/2-1]"],["dc.identifier.doi","10.1021/jacs.6b04609"],["dc.identifier.isi","000379455600035"],["dc.identifier.pmid","27258549"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/40105"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area B: Umwandlung von optischen Schwingungen"],["dc.relation","SFB 1073 | Topical Area B | B05 Energy conversion processes underlying the light-powered reversible guest exchange of photochromic coordination cages"],["dc.relation.issn","0002-7863"],["dc.title","Light-Induced Charge Separation in Densely Packed Donor Acceptor Coordination Cages"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","5848"],["dc.bibliographiccitation.issue","26"],["dc.bibliographiccitation.journal","European Journal of Organic Chemistry"],["dc.bibliographiccitation.lastpage","5853"],["dc.bibliographiccitation.volume","2013"],["dc.contributor.author","Johnstone, Mark D."],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Clever, Guido H."],["dc.contributor.author","Pfeffer, Frederick M."],["dc.date.accessioned","2018-11-07T09:20:36Z"],["dc.date.available","2018-11-07T09:20:36Z"],["dc.date.issued","2013"],["dc.description.abstract","A solvent-free multicomponent protocol for the rapid (<30 min) synthesis of pyridyl-functionalised [5]polynorbornane ligands is described in which both 1,3-dipolar cycloaddition and imide formation occur. The ligands produced by this approach have been incorporated into new Pd and Pt M1L2 chelate complexes as well as an M2L4 cage as elucidated from NMR spectroscopy, ESI-MS and computational data."],["dc.identifier.doi","10.1002/ejoc.201300647"],["dc.identifier.isi","000323883300010"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/28919"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1099-0690"],["dc.relation.issn","1434-193X"],["dc.title","Rapid Solvent-Free Synthesis of Pyridyl-Functionalised [5]Polynorbornane-Based Ligands for Metal-Organic Rings and Cages"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","10102"],["dc.bibliographiccitation.issue","38"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.lastpage","10106"],["dc.bibliographiccitation.volume","52"],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Hey, Jakob"],["dc.contributor.author","Balcioglu, Ilker"],["dc.contributor.author","Chen, Yu-Sheng"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Suenobu, Tomoyoshi"],["dc.contributor.author","Fukuzumi, Shunichi"],["dc.contributor.author","Frauendorf, Holm"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:19:53Z"],["dc.date.available","2018-11-07T09:19:53Z"],["dc.date.issued","2013"],["dc.identifier.doi","10.1002/anie.201302536"],["dc.identifier.isi","000324309900050"],["dc.identifier.pmid","23881819"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/28748"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1521-3773"],["dc.relation.issn","1433-7851"],["dc.title","Assembly and Stepwise Oxidation of Interpenetrated Coordination Cages Based on Phenothiazine"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1598"],["dc.bibliographiccitation.issue","8-9"],["dc.bibliographiccitation.journal","Zeitschrift für anorganische und allgemeine Chemie"],["dc.bibliographiccitation.lastpage","1605"],["dc.bibliographiccitation.volume","639"],["dc.contributor.author","Pereira, Fernanda A."],["dc.contributor.author","Fallows, Thomas"],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Chen, Anqi"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:22:36Z"],["dc.date.available","2018-11-07T09:22:36Z"],["dc.date.issued","2013"],["dc.description.abstract","In contrast to the large number of self-assembled ring and cage structures based on cis-chelated square-planar metal complexes as connecting nodes, the use of trans-chelated square-planar building blocks is vastly underrepresented in supramolecular coordination chemistry. We here report of a strategy for the formation of self-assembled ring structures based on the trans-chelating ligand 1,2-bis(2-pyridylethinyl)-benzene coordinated to Pd-II in a 1:1 fashion and bis-monodentate pyridyl bridging ligands. Depending on the angle be-tween the two N-donor functionalities of the bridging ligands, three- or two-membered rings are quantitatively formed in solution. Whereas the former species show a high thermodynamic stability, the latter rings are of only kinetic stability if the bridging ligand is also able to form a coordination cage as an alternative product. The assembly and transformation of the supramolecular structures was characterized by H-1 NMR spectroscopy and high-resolution FTICR-ESI mass spectrometry, augmented by semiempiric PM6 geometry optimizations."],["dc.identifier.doi","10.1002/zaac.201300168"],["dc.identifier.isi","000330180900039"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/29386"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1521-3749"],["dc.relation.issn","0044-2313"],["dc.title","Stable and Metastable Self-Assembled Rings based on trans-chelated Pd-II"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","14104"],["dc.bibliographiccitation.issue","40"],["dc.bibliographiccitation.journal","Chemistry - A European Journal"],["dc.bibliographiccitation.lastpage","14125"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Johnstone, Mark D."],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T10:09:16Z"],["dc.date.available","2018-11-07T10:09:16Z"],["dc.date.issued","2016"],["dc.description.abstract","This Review covers design strategies, synthetic challenges, host-guest chemistry, and functional properties of interlocked supramolecular cages. Some dynamic covalent organic structures are discussed, as are selected examples of interpenetration in metal-organic frameworks, but the main focus is on discrete coordination architectures, that is, metal-mediated dimers. Factors leading to interpenetration, such as geometry, flexibility and chemical makeup of the ligands, coordination environment, solvent effects, and selection of suitable counter anions and guest molecules, are discussed. In particular, banana-shaped bis-pyridyl ligands together with square-planar metal cations have proven to be suitable building blocks for the construction of interpenetrated double-cages obeying the formula [M4L8]. The peculiar topology of these double-cages results in a linear arrangement of three mechanically coupled pockets. This allows for the implementation of interesting guest encapsulation effects such as allosteric binding and template-controlled selectivity. In stimuli-responsive systems, anionic triggers can toggle the binding of neutral guests or even induce complete structural conversions. The increasing structural and functional complexity in this class of self-assembled hosts promises the construction of intelligent receptors, novel catalytic systems, and functional materials."],["dc.description.sponsorship","Evonik Foundation; Alexander von Humboldt Foundation; DFG [CL 489/2-1]"],["dc.identifier.doi","10.1002/chem.201601752"],["dc.identifier.isi","000384698200004"],["dc.identifier.pmid","27417259"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/39626"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1521-3765"],["dc.relation.issn","0947-6539"],["dc.title","Interpenetrated Cage Structures"],["dc.type","review"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]