Royal Society of Chemistry, Faraday Discussions, (237), p. 58-79, 2022
DOI: 10.1039/d2fd00036a
Full text: Unavailable
We show exemplarily for the ZnO surface that photoexcited deep defects act like chemically doped shallow donors in semiconductors. Sufficiently strong “photodoping” makes ZnO a transient metal with influenceable ultrashort to metastable lifetimes.