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An Inorganic/Organic Semiconductor “Sandwich” Structure Grown by Molecular Beam Epitaxy
Author(s) -
Blumstengel S.,
Sadofev S.,
Puls J.,
Henneberger F.
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200900703
Subject(s) - materials science , molecular beam epitaxy , semiconductor , optoelectronics , epitaxy , organic semiconductor , nanotechnology , layer (electronics)
Preparation of ZnO/organic/ZnO “sandwich” semiconductor hybrid structures by molecular beam epitaxy is reported. Overgrowth of the organic layer becomes possible because ZnO epitaxy requires exceptionally low substrate temperatures. The molecule, a spirobifluorene derivative, withstands ZnO overgrowth without degradation of its optical properties. Excitonic coupling as well as optical gain in ZnO/organic/ZnO sandwich hybrid structures are demonstrated.