Direct synthesis of a semiconductive double-helical phosphorus allotrope in a metal-organic framework.

ABSTRACT: There remains much ambiguity regarding the structure of red phosphorus. We report the adsorption and photo-polymerisation of P₄ molecules encapsulated in an indium(III)-based metal-organic framework to afford a double-helical chain composite comprising of [P₈] units. The similarity between the Raman spectrum of bulk red phosphorus and of the metal-organic framework - (P₈)_n adduct suggests the presence of such helical chains in the structure of amorphous red phosphorus. This provides crystallographic evidence of the structural building blocks of the red phosphorus allotrope stabilized within the pores of a metal-organic host. The (P₈)_n inclusion compound is an air-stable semiconductor with a band gap of 2.3 eV, which is relev

SUBMITTER: Sapchenko SA 

PROVIDER: S-EPMC11821825 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature