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Star‐Shaped Oligothiophenes with Unique Photophysical Properties and Nanostructured Polymorphs
Author(s) -
Narita Tomoyuki,
Takase Masayoshi,
Nishinaga Tohru,
Iyoda Masahiko,
Kamada Kenji,
Ohta Koji
Publication year - 2010
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201001413
Subject(s) - solvatochromism , fluorescence , molecule , star (game theory) , absorption (acoustics) , benzene , redshift , materials science , photochemistry , chemistry , crystallography , physics , astrophysics , optics , organic chemistry , composite material , galaxy
Shining star : Star‐shaped hexakis(oligothienylethynyl)benzene with C 6 symmetry shows solvatochromic fluorescence with a marked redshift in emission. Furthermore, the star‐shaped molecule shows a fairly large two‐photon absorption property. Interestingly, the molecule forms fluorescent fibrous materials from hexane, DMF, and isopropyl alcohol owing to its disc‐like structure (see graphic).