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A Dendritic Antenna for Near‐Infrared Emission of Nd 3+ Ions
Author(s) -
Vögtle Fritz,
Gorka Marius,
Vicinelli Veronica,
Ceroni Paola,
Maestri Mauro,
Balzani Vincenzo
Publication year - 2001
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/1439-7641(20011217)2:12<769::aid-cphc769>3.0.co;2-6
Subject(s) - fluorescence , dendrimer , photochemistry , ion , infrared , energy transfer , chemistry , visible spectrum , antenna effect , amide , near infrared spectroscopy , analytical chemistry (journal) , materials science , optoelectronics , luminescence , optics , molecular physics , physics , organic chemistry
An interior of 18 amide groups and a periphery functionalized with 24 dansyl groups forms a light‐harvesting dendrimer which features intense absorption bands in the near‐UV spectral region and a strong fluorescence band in the visible region. Upon encapsulation of Nd 3+ ions, the fluorescence of the dansyl groups is quenched and an intense sensitized near‐infrared emission of Nd 3+ is observed. The associated energy transfer is shown in the cartoon.