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High‐Rate Unidirectional Energy Transfer in Directly Assembled CdTe Nanocrystal Bilayers
Author(s) -
Franzl Thomas,
Shavel Alexey,
Rogach Andrey L.,
Gaponik Nikolai,
Klar Thomas A.,
Eychmüller Alexander,
Feldmann Jochen
Publication year - 2005
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200400074
Subject(s) - nanocrystal , cadmium telluride photovoltaics , materials science , planar , energy transfer , nanotechnology , linker , self assembly , layer (electronics) , chemical physics , optoelectronics , chemistry , computer graphics (images) , computer science , operating system
Unidirectional energy transfer is achieved in bilayers of CdTe nanocrystals of two different sizes produced by electrostatic assembly of oppositely charged particles without the need for an intermediate linker. Within these planar structures with reduced inter‐layer distance, transfer rates up to (50 ps) −1 are demonstrated which are 2.4 times faster than the fastest rates reported to date.