RESEARCH
Interlayer Excitons: When Electrons and Holes Live Apart
In stacked two-dimensional crystals, the electron and hole can live in different layers — creating excitons with permanent dipoles, long lifetimes, and tunable interactions.
Topic
Excitons
3 stories on this topic, across the desks.
RESEARCH
Trions, Biexcitons, and the Exciton Zoo
Beyond the simple electron-hole pair lies a zoo of bound complexes — trions, biexcitons, and more — each with its own spectral fingerprint.
RESEARCH
What Is an Exciton? The Bound Pair That Makes Light Into Matter
An exciton is an electron and a hole bound by attraction — a neutral quasiparticle that lets semiconductors absorb, emit, and briefly store light.