Covalent Functionalization of Exfoliated Arsenic with Chlorocarbene

Few‐layer and monolayer arsenic (arsenene) materials have been attracting great attention mainly from a theoretical perspective. Chemical modification of these materials would expand significantly the range of their applications. Here, we describe a chlorocarbene‐mediated modification of exfoliated...

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Bibliographic Details
Published in:Angewandte Chemie 2018-11, Vol.130 (45), p.15053-15056
Main Authors: Sturala, Jiri, Ambrosi, Adriano, Sofer, Zdeněk, Pumera, Martin
Format: Article
Language:English
Subjects:
2D-Materialien
Arsen
Arsenic
Carben
Chemical modification
Chemistry
Dichloromethane
Oberflächenchemie
Optoelectronic devices
Organic chemistry
Schichtmaterialien
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Summary:Few‐layer and monolayer arsenic (arsenene) materials have been attracting great attention mainly from a theoretical perspective. Chemical modification of these materials would expand significantly the range of their applications. Here, we describe a chlorocarbene‐mediated modification of exfoliated layered arsenic materials. Carbene‐based species are highly reactive and offer further possibilities of functionalization. Our approach for modifying the arsenic surface by chlorocarbene generated from organolithium and dichloromethane resulted in a large surface coverage and a highly luminescent functionalized material, opening the door for its application in modern optoelectronic devices. Exfoliierte Arsen‐Schichten wurden durch Behandlung mit Chlorcarben modifiziert, das aus Organolithiumverbindungen und Dichlormethan erzeugt wurde. Carbenspezies sind hochreaktiv und bieten weitere Möglichkeiten, die Struktur zu verändern. Dieser Ansatz ermöglicht die Modifizierung der Arsenoberfläche mit großer Flächenabdeckung und liefert hoch lumineszierende Materialien.
ISSN:0044-8249
1521-3757
DOI:10.1002/ange.201809341