▎ 摘　　要

NOVELTY - Monolayer black phospholene comprises an oligocrotophosphane and nano-black phosphors. The black phosphorus raw material is provided for preparing monolayers of black phospholene, oligo-black porphyrins and nano-black phosphors. USE - Monolayer black phospholene for use with graphene, nano-graphite sheets and oligo-nano-graphite sheets for electronics, lighting, batteries, building materials, decoration, daily use and other fields. ADVANTAGE - The monolayer black phospholene has good dispersibility, and provided wide application prospects.