POLYMERIC PRECURSORS FOR PRODUCING GRAPHENE NANORIBBONS AND METHODS FOR PREPARING THEM

摘要

An oligophenylene monomer of general formula (I) wherein Rand Rare independently of each other H halogene  OH  NH  CN  NOor a linear or branched saturated or unsaturated C Chydrocarbon residue which can be substituted 1 to 5 fold with halogene (F Cl Br I)  OH  NH  CN and/or NO and wherein one or more CH groups can be replaced by O or S  or an optionally substituted aryl alkylaryl or alkoxyaryl residue; and m represents 0 1 or 2.