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Photophysical Properties of Tolan Wavelength Shifters in Solution and Embedded in Polymeric Organic Thin Films

Aurisicchio C.
•
Ventura B.
•
BONIFAZI, DAVIDE
•
Barbieri A.
2009
  • journal article

Periodico
JOURNAL OF PHYSICAL CHEMISTRY. C
Abstract
Linear organic conjugated molecules, peripherally equipped with electron-donating and electron-accepting moieties, are recognized as one of the most promising classes of nonlinear optical materials for potential application in energy conversion devices, organic electronics, optical communication, information storage, and nuclear medicine techniques. In this work, we have synthesized and photophysically characterized a series of organic molecules constituted by a 1,2-diphenyl acetylene core (tolan) bearing electronically active groups directly linked to the pi-conjugated backbone. Tuning of the absorption and emission energies has been achieved via the push-pull effect. All investigated compounds displayed very high luminescence in condensed media from intramolecular charge transfer excited states with large Stokes shifts. These features revealed to be of particular interest for the engineering of new wavelength shifters for spectral conversion of deep ultraviolet to visible light.
DOI
10.1021/jp9053988
Archivio
http://hdl.handle.net/11368/2342713
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-70449556689
Diritti
metadata only access
Soggetti
  • INTRAMOLECULAR CHARGE...

  • NONLINEAR-OPTICAL-PRO...

  • DONOR-ACCEPTOR MOLECU...

  • EXCITED SINGLET-STATE...

  • RADIATIONLESS DEACTIV...

  • SUBSTITUTED TETRAETHY...

  • TRANSFER CHROMOPHORES...

  • ELECTRONIC-STRUCTURE

  • SOLVENT POLARITY

  • PI-CONJUGATION

  • ORGANIC CHEMISTRY

  • SUPRAMOLECULAR CHEMIS...

Web of Science© citazioni
11
Data di acquisizione
Mar 6, 2024
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Data di acquisizione
Apr 19, 2024
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