Selective NIR chromophores: Bis(Pyrrolopyrrole) Cyanines | Zendy

Fischer Georg M. | Zendy; Daltrozzo Ewald | Zendy; Zumbusch Andreas | Zendy

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Selective NIR chromophores: Bis(Pyrrolopyrrole) Cyanines

Author(s) -

Fischer Georg M.,

Daltrozzo Ewald,

Zumbusch Andreas

Publication year - 2011

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.201004829

Subject(s) - chromophore , absorption (acoustics) , fluorescence , extinction (optical mineralogy) , narrowband , photochemistry , materials science , near infrared spectroscopy , ideal (ethics) , chemistry , optics , mineralogy , physics , composite material , philosophy , epistemology

Very invisible: Bis(pyrrolopyrrole) cyanines are extended chromophores based on diketopyrrolopyrroles (general structure shown). The compounds are characterized by extremely high extinction coefficients, narrowband absorption in the near‐IR range, and strong fluorescence around 1 μm. Since absorption in the visible region is negligible, they approach the ideal of selective NIR absorbers.

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