Provided are graphene nanoribbon precursors comprising repeated units of the general formula (I) in which R
1
, R
2
are each H, halogen, —OH, —NH
2
, —CN, —NO
2
or a hydrocarbyl radical which has 1 to 40 carbon atoms and may be linear or branched, saturated or unsaturated and mono- or poly-substituted by halogen (F, Cl, Br, I), —OH, —NH
2
, —CN, and/or —NO
2
, where one or more CH
2
groups may also be replaced by —O—, —S—, —C(O)O—, —O—C(O)—, —C(O)—, —NH— or —NR—, in which R is an optionally substituted C
1
C
40
-hydrocarbyl radical, or an optionally substituted aryl, alkylaryl or alkoxyaryl radical.
提供的是
石墨烯纳米带前体,其包含通式(I)的重复单元,其中R1,R2为H、卤素、—OH、—NH2、—CN、—
NO2或具有1至40个碳原子的烃基基团,可以是线性或支链的、饱和或不饱和的、单或多取代的卤素(F、Cl、Br、I)、—OH、—NH2、—CN和/或— ,其中一个或多个
CH2基团也可以被—O—、—S—、—C(O)O—、—O—C(O)—、—C(O)—、—NH—或—NR—所取代,其中R是一个可选择取代的C1C40烃基基团,或一个可选择取代的芳香基、烷基芳香基或烷氧基芳香基。