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Synfacts 2019; 15(09): 0993
DOI: 10.1055/s-0039-1690591
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Reaching the APEX in Controlled Synthesis of 2D Nanomaterials

Rezensent(en):
Timothy M. Swager
,
Darryl Fong
Yano Y, Mitoma N, Matsushima K, Wang F, Matsui K, Takakura A, Miyauchi Y, Ito H. * Itami K. * Nagoya University, JST-ERATO, Nagoya, and Kyoto University, Japan
Living Annulative π-Extension Polymerization for Graphene Nanoribbon Synthesis.

Nature 2019;
571: 387-392
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Publikationsverlauf

Publikationsdatum:
20. August 2019 (online)

 
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Key words

graphene nanoribbons - living annulative π-extension polymerization - block copolymers

Significance

A living method to grow narrow dispersity fjord-type graphene nanoribbons (as low as Đ = 1.03) with controlled degree of polymerization (7–391) is disclosed. Scholl oxidation of this precursor affords armchair-type nanoribbons, whereas further polymerization affords block copolymers.


 

Comment

The precise control over structure affords the opportunity to make block copolymers with conjugated (e.g., different benzonaphthosiloles) or nonconjugated (e.g., functionalized initiators) blocks, which could lead to interesting optoelectronic or physical/self-assembly properties.


 

 


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