Transfer of Direct to Indirect Bound Excitons by Electron Intervalley Scattering in Cs2AgBiBr6 Double Perovskite Nanocrystals.
Sign Up to like & getrecommendations! Published in 2020 at "ACS nano"
DOI: 10.1021/acsnano.0c00997
Abstract: Lead-free halide double perovskites have emerged as a non-toxic alternative to the heavily researched lead-based halide perovskites. However, their optical properties and the initial charge carrier relaxation processes are under debate. In this study, we… read more here.
Keywords: band gap; intervalley scattering; electron intervalley; bound ... See more keywords
Intrinsic donor-bound excitons in ultraclean monolayer semiconductors.
Sign Up to like & getrecommendations! Published in 2021 at "Nature communications"
DOI: 10.1038/s41467-021-21158-8
Abstract: The monolayer transition metal dichalcogenides are an emergent semiconductor platform exhibiting rich excitonic physics with coupled spin-valley degree of freedom and optical addressability. Here, we report a new series of low energy excitonic emission lines… read more here.
Keywords: donor bound; monolayer; excitons ultraclean; ultraclean monolayer ... See more keywords