Room temperature light-switchable ferrocene-based single-molecule device

https://phys.org/news/2024-03-precisely-molecule-devices.html

"light controls molecular binding of single-molecule circuit within gap between 2 metal electrodes and between metal electrodes and graphene... organo-metallic iron-containing ferrocene molecules... then used light to form bond between ferrocene iron center and gold electrode when molecule was in oxidized state... ability to turn on/ off contact using light to change ferrocene's oxidation state... highly conductive, tunable single-molecule sensors and switches responding to specific light wavelengths"

Related:

Carbon-free ferrocene alternative opens up new possibilities for future materials
https://phys.org/news/2026-05-carbon-free-ferrocene-alternative-possibilities.html

Light-controlled molecular switches offer exciting possibilities for future electronics, data storage
https://phys.org/news/2026-08-molecular-possibilities-future-electronics-storage.html