Optical cooling by interfacial charge transfer in 2D heterostructures

Nature, Published online: 24 June 2026; doi:10.1038/s41586-026-10662-wOptical cooling in two-dimensional semiconductor heterostructures is demonstrated through phonon-assisted interfacial charge transfer, enabling cryogen-free thermal …

Nature, Published online: 24 June 2026; doi:10.1038/s41586-026-10662-w

Optical cooling in two-dimensional semiconductor heterostructures is demonstrated through phonon-assisted interfacial charge transfer, enabling cryogen-free thermal management without stringent quantum-efficiency requirements.