Recent Progress in High Linearly Fused Polycyclic Conjugated Hydrocarbons (PCHs, <i>n</i> &gt; 6) with Well‐Defined Structures

Chen, Wangqiao; Yu, Fei; Xu, Qun; Zhou, Guofu; Zhang, Qichun

doi:10.1002/advs.201903766

Cited by 96 publications

(41 citation statements)

References 174 publications

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“…Acenes are linearly cata-condensed PA Hs,w hile periacenes consist of two or more rows of peri-fused acenes ( Figure 5). [70] Generally,t he solution synthesis of longer acenes (larger than hexacenes) remains elusive because of their poor stability under ambient conditions, [71] whereas higher acenes up to dodecacene have been achieved through on-surface synthesis. [72][73][74][75] Bisanthene 14can be regarded as alaterally extended perylene (13;F igure 5), and was synthesized for the first time in 1948.…”

Section: Peri-acenesmentioning

confidence: 99%

Synthetic Tailoring of Graphene Nanostructures with Zigzag‐Edged Topologies: Progress and Perspectives

2020

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Experimental and theoretical investigations have revealed that the chemical and physical properties of graphene are crucially determined by their topological structures. Therefore, the atomically precise synthesis of graphene nanostructures is essential. A particular example is graphene nanostructures with zigzag‐edged structures, which exhibit unique (opto)electronic and magnetic properties owing to their spin‐polarized edge state. Recent progress in the development of synthetic methods and strategies as well as characterization methods has given access to this class of unprecedented graphene nanostructures, which used to be purely molecular objectives in theoretical chemistry. Thus, clear insight into the structure–property relationships has become possible as well as new applications in organic carbon‐based electronic and spintronic devices. In this Minireview, we discuss the recent progress in the controlled synthesis of zigzag‐edged graphene nanostructures with different topologies through a bottom‐up synthetic strategy.

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Section: Peri-acenesmentioning

confidence: 99%

Synthetic Tailoring of Graphene Nanostructures with Zigzag‐Edged Topologies: Progress and Perspectives

2020

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“…Acene sind lineare, cata-kondensierte PA Hs,w ogegen peri-Acene aus mehreren Reihen peri-kondensierter,linearer Acene bestehen (Abbildung 5). [70] Die lçsungsvermittelte Synthese hçherer Acene jenseits des Hexacens ist aufgrund ihrer geringen Stabilitätu nter normalen Umgebungsbedingungen nicht mçglich, [71] jedoch konnten diese Strukturen bis hin zum Dodecacen durch oberflächenvermittelte Synthese hergestellt werden. [72][73][74][75] Bisanthen 14k ann als lateral erweitertes Perylen (13;A bbildung 5) aufgefasst werden und wurde 1948 das erste Mal hergestellt.…”

Section: Peri-aceneunclassified

Maßgeschneiderte Synthese von Graphennanostrukturen mit Zickzack‐Rändern

Liu

Feng

2020

Angewandte Chemie

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Experimentelle und theoretische Studien haben die starke Abhängigkeit der physikalischen und chemischen Eigenschaften des Graphens von seiner Topologie nachgewiesen. Daher ist die atomgenaue Synthese von Graphennanostrukturen essenziell. Ein besonderes Beispiel sind Nanographene mit Zickzack‐Muster in ihrer Randstruktur. Durch ihre spinpolarisierten Zustände an den Ecken zeigen sie einzigartige (opto)elektronische und magnetische Eigenschaften. Die Entwicklung neuer Syntheserouten, Strategien und Analysemethoden gibt Zugang zu dieser beispiellosen Klasse von Graphennanostrukturen, die bis dato nur rechnerisch zugänglich waren. Dies ermöglicht tiefe Einblicke in die Struktur‐Eigenschafts‐Beziehungen sowie die Erschließung neuer Anwendungen in der organischen, kohlenstoffbasierten Elektronik und Spintronik. In diesem Kurzaufsatz werden die neuesten Entwicklungen bei der kontrollierten Synthese von Zickzack‐Graphennanostrukturen verschiedener Topologien durch Bottom‐up‐Synthese diskutiert.

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“…To the best of our knowledge, the presented acenoacenes 1-3 are the longest non-substituted derivatives of acenes prepared to date. [22,23]…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Absorption Properties of Long Acenoacenes

Jančařík

Mildner

Nagata

et al. 2021

Chemistry A European J

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Acenes, polyaromatic hydrocarbons composed of linearly fused benzene rings have received immense attention due to their performance as semiconductors in organic optoelectronic applications. Their appealing physicochemical properties, such as extended delocalization, high charge carrier mobilities, narrow HOMO-LOMO gaps and partially radical character in the ground state make them very attractive targets for many potential applications. However, the intrinsic synthetic challenges of unsubstituted members such as high reactivity and poor solubility are still limiting factors for their wider exploitation. Herein, we report a simple general synthesis of a new family of angularly fused acenoacenes with improved stability compared to their isoelectronic linear counterparts. The synthesis and comprehensive characterization of pentacenopentacene, pentacenohexacene and hexacenohexacene, with lengths between decacene and dodecacene, are disclosed.

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Recent Progress in High Linearly Fused Polycyclic Conjugated Hydrocarbons (PCHs, n > 6) with Well‐Defined Structures

Cited by 96 publications

References 174 publications

Synthetic Tailoring of Graphene Nanostructures with Zigzag‐Edged Topologies: Progress and Perspectives

Synthetic Tailoring of Graphene Nanostructures with Zigzag‐Edged Topologies: Progress and Perspectives

Maßgeschneiderte Synthese von Graphennanostrukturen mit Zickzack‐Rändern

Synthesis and Absorption Properties of Long Acenoacenes

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