Homomolecular Photon Upconversion in a Perylene-Decorated Iron(III) Complex.

ABSTRACT: Classical upconversion employs sensitizers and annihilators as two distinct molecular species and is, therefore, classified as heteromolecular. Homomolecular upconversion, the unification of both roles inside one molecular species, is attractive from both fundamental and applied perspectives yet remains vastly underrepresented. Herein, we report a molecular compound (FePer), composed of an Fe^III carbene complex that acts as red-light absorber and a doublet-state energy donor to covalently attached perylene triplet-acceptors. This compound enables homomolecular photon upconversion, a behavior made possible because the perylene fluorescence falls within a spectral window, where the Fe^III carbene complex absorbs only very weakly. Consequently, FePer feature

SUBMITTER: Doettinger F 

PROVIDER: S-EPMC12636030 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature