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Highly Efficient Ultrafast Electron Injection from the Singlet MLCT Excited State of Copper(I) Diimine Complexes to TiO 2 Nanoparticles
Author(s) -
Huang Jier,
Buyukcakir Onur,
Mara Michael W.,
Coskun Ali,
Dimitrijevic Nada M.,
Barin Gokhan,
Kokhan Oleksandr,
Stickrath Andrew B.,
Ruppert Romain,
Tiede David M.,
Stoddart J. Fraser,
Sauvage JeanPierre,
Chen Lin X.
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201204341
Subject(s) - ultrashort pulse , diimine , singlet state , nanoparticle , electron transfer , copper , excited state , photochemistry , charge (physics) , materials science , chemistry , nanotechnology , physics , optics , atomic physics , quantum mechanics , organic chemistry , laser , catalysis
Cu complexes as photosensitizers : Photoinduced charge‐transfer dynamics from a copper(I) diimine complex to TiO 2 nanoparticles were investigated by combining multiple time‐resolved spectroscopic methods. An efficient and ultrafast electron transfer process from the singlet MLCT state was discovered as a result of structural control owing to the flattening of the tetrahedral geometry in the complex and the bulky groups in the ligands.