▎ 摘 要
NOVELTY - Graphene nanoribbons (I) are new. USE - (I) are useful in the field of effect transistors, photovoltaic cells, nonlinear optical and sensing devices (claimed). DETAILED DESCRIPTION - Graphene nanoribbons of formula (I) are new. R = alkyl group or alkoxy. An INDEPENDENT CLAIM is also included for preparation of (I).