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Bright Near‐Infrared Fluorophores Based on Squaraines by Unexpected Halogen Effects
Author(s) -
Mayerhöffer Ulrich,
Fimmel Benjamin,
Würthner Frank
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.201107176
Subject(s) - transparency (behavior) , halogen , infrared , near infrared spectroscopy , computer science , information retrieval , chemistry , optics , physics , organic chemistry , alkyl , computer security
A lucky chance : An unexpected halogen effect afforded novel squaraine‐based bright near‐infrared (NIR) fluorophores with nearly total transparency in the visible region and bright emission in the NIR region beyond 900 nm (see picture).