Abstract
In the present review article we discuss the progress that has been thus far achieved towards producing graphene nanoribbons (GNRs) with predefined dimensions and, therefore, electronic properties, by using bottom-up approaches. Some selected, representative top-down strategies are also reviewed. GNRs are graphitic carbon-based materials having nano-scale dimensions and semiconducting or metallic electronic properties depending on their geometry and dimensions. These GNRs electronic characteristics are in sharp contrast to those of graphene, the parent graphitic material, which is an atomically-thick carbon sheet with semimetal, zero band gap characteristics.
Keywords: Graphene, graphitic materials, nanoribbons, bottom-up synthesis, top-down preparation, nanostructures.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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