NDLI: Fluorene oligomer with tetrathiafulvalenes as pendant groups: synthesis, electrochemical and spectroscopic properties

Content Provider	Springer Nature Link
Author	Zhang, Xue Chao Zhang, Yu Wang, Cheng Yun Lai, Guo Qiao Zhang, Lei Shen, Yong Jia
Copyright Year	2009
Abstract	An oligomeric fluorene with pendant TTF units (OFT) was synthesized by the Yamamoto coupling reaction using Ni(COD)2 as catalyst. The fluorescence spectra of fluorene-TTF (3a) and OFT displayed weak fluorescence intensity because of the photoinduced electron transfer (PET) interaction and energy transfer between the TTF and fluorene, while the fluorescence intensity would enhance significantly after chemical oxidation. The absorption spectra and cyclic voltammetry (CV) showed that an intramolecular interaction existed between the TTF and fluorene moieties in OFT, while in 3a such interaction could not be observed, due to the chain propagation of the fluorene backbone and an enhanced internal charge transfer interaction between the two electroactive moieties. Moreover, the conductivity showed that the doped OFT possessed a higher conductivity (1.4 × 10−3 S cm−1) than the doped 3a (9.8 × 10−5 S cm−1). These results demonstrated that OFT was a good candidate of fluorescence switches and conducting materials.
Starting Page	815
Ending Page	827
Page Count	13
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	63
Issue Number	6
e-ISSN	14362449
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-06-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fluorene TTF Charge transfer Conducting materials Fluorescence switch Physical Chemistry Characterization and Evaluation of Materials Soft and Granular Matter, Complex Fluids and Microfluidics Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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