NDLI: Photophysical properties of a conjugated poly(1-dodecyl-2,5-pyrrylene vinylene)

Content Provider	Springer Nature Link
Author	Choi, Chang Shik Kim, In Tae Lee, Sang Woo Lee, Ha Hyeong Lee, Young Nam Jeon, Ki Seok Lee, Ki Hwan Sung, Nack Do Kil, Mun Jae Lee, Yong Ill
Copyright Year	2004
Abstract	Poly(1-dodecyl-2,5-pyrrylene vinylene) (PDPV) has an extended π-conjugated structure and exhibits characteristic spectroscopic features. The PDPV we prepared has an absorption maximum at 510 nm and its long absorption tail at ca. 750 nm in methylene chloride is due to the long π-conjugated system connected to vinyl group. The large red-shift of emission was 625 nm upon excitation at 480 nm, which suggests the existence of a low emissive state. The emission of PDPV in less-polar solvents decreased markedly relative to that in the more-polar solvents; this observation was ascribed possibly to quenching by a strong vibrational mode of the dodecyl groups of PDPV in less-polar solvents. Furthermore, the emission from the high-energy side had a single decay component (0.1 ns, 49.96%), while that from the low-energy side had two components (0.6 ns, 27.1%; 2.7 ns, 22.87%). We characterized the redox properties of PDPV by cyclic voltammetry. Every redox peak showed irreversible behavior; the oxidation peaks appeared at 1.7, 0.8, and 0.6 V and the reduction peak at −0.5 V.
Starting Page	322
Ending Page	324
Page Count	3
File Format	PDF
ISSN	15985032
Journal	Macromolecular Research
Volume Number	12
Issue Number	3
e-ISSN	20927673
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PDPV π-conjugated structure absorption emission time-resolved emission spectroscopy redox properties Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Physical Chemistry Characterization and Evaluation of Materials Nanochemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Chemical Engineering Polymers and Plastics

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