J - aggregates are specific supramolecular assemblies discovered by jelly and scheibe , which are characterized by a sharp , intensive absorption band with a bathochromic shift compared to a monomer band 20世纪30年代末期, jelly和scheibe发现一种特殊的超分子聚集体? j -聚集体,它具有尖锐且相对其单体红移的吸收带的独特光学特性。