Supramolecular porphyrin-based photoresponsive cages enable tunable charge transport behaviors in solid-state optoelectronics

https://phys.org/news/2025-05-photoresponsive-cages-tunable-supramolecular-electronics.html

"merges supramolecular chemistry/ molecular electronics... supramolecular assemblies fine-tune electron flow via weak, reversible interactions, spatially precise/ non-invasive external lightwave stimuli... planar aromatic macrocycle porphyrin derivatives, having photostability/ strong visible light absorption, coordinated with a bidentate diplatinum(II) motif, constructing cage-like supramolecular structures (C-TPyP) featuring rigid pillars and a separation distance of ~18.3 Å between the porphyrin faces... molecular switches"