Poly(p-phenylene vinylene)
Poly(p-phenylene vinylene) (PPV, or polyphenylene vinylene) is a conducting polymer of the rigid-rod polymer host family.
PPV is the only polymer of this type that has so far been successfully processed into a highly ordered crystalline thin film. PPV and its derivatives are conducting polymers of rigid-rod polymer family. They are the only conducting polymers that have been successfully processed in film with high levels of crystallinity. PPV is easily synthesized in good purity and high molecular weight. Although insoluble in water, its precursors can be manipulated in aqueous solution. The small optical band gap and its bright yellow fluorescence makes PPV a candidate in many electronic applications such as light-emitting diodes (LED) and photovoltaic devices. Moreover, PPV can be easily doped to form electrically conductive materials. Its physical and electronic properties can be altered by the inclusion of functional side groups.

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Poly(p-phenylene vinylene) - Wikipedia, the free encyclopedia
Poly(p-phenylene vinylene) (PPV, or polyphenylene vinylene) is a conducting polymer of the rigid-rod polymer host family. PPV is the only polymer of this type ...
Synthesis of poly (p-phenylene vinylene) materials via the precursor ...
Poly(p-phenylene vinylene)s (PPVs) are an important class of conjugated polymer materials that have in the last few years gained significant interest in the ...
Poly(p-phenylene vinylene)
Oct 23, 1997 ... Poly(p-phenylene vinylene). PPV is the only other member within this family of conducting polymers that has been successfully processed in ...
Poly[(p-phenylenevinylene)-alt-(2-methoxy-5-(2 ... - Sigma-Aldrich
Sigma-Aldrich offers Aldrich-594199, Poly[(p-phenylenevinylene)-alt-(2-methoxy- 5-(2-ethylhexyloxy)-p-phenylenevinylene)] for your research needs.
Light-Emitting Diodes from Partially Conjugated Poly(p-phenylene ...
conditions onon the the device device characteristics characteristics ofof poly (p-phenylene vinylene) vinylene) (PPV) light-emitting light-emitting diodes. diodes.
The photovoltaic response in poly(p-phenylene vinylene) - IOPscience
We report measurements of the photovoltaic effect in diode structures formed with thin films (100 nm) of the conjugated polymer Poly(p-phenylene vinylene), ...
Multifunctional Cationic Poly(p-phenylene vinylene) Polyelectrolytes ...
Sep 21, 2011 ... A multifunctional cationic Poly(p-phenylene vinylene) derivate with polyethylene glycol (PEG) side chains is used for selective recognition, ...
Electron-Deficient Poly(p-phenylene vinylene) Provides Electron ...
May 15, 2013 ... Poly(p-phenylene vinylene) derivatives (PPVs) are one of the most widely investigated p-type polymers in organic electronics. PPVs generally ...
The optical spectroscopy of poly(p-phenylene vinylene)/polyvinyl ...
Keywords: Polymer; Polyvinyl alcohol; Poly(p-phenylene vinylene). 1. Introduction. The ability to process electroluminescent conjugated polymers at low cost ...
High-efficiency poly(p-phenylenevinylene)-based copolymers ...
J Am Chem Soc. 2004 Mar 3;126(8):2474-80. High-efficiency poly(p-phenylenevinylene)-based copolymers containing an oxadiazole pendant group for ...
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Poly(p-phenylene vinylene) in science
Preparation and characterisation of poly(p-phenylene ... - Emerald
... and characterisation of Poly(p-phenylene vinylene)/semiconductor nanofibres ... (School of Chemistry and Materials Science, Heilongjiang University, Harbin, ...
Frank C. Spano - Department of Chemistry | Temple University
Postdoctoral Fellow (1988-1990) University of Rochester ... polyarenes as well as substituted and unsubstituted oligomers of poly-p-phenylene vinylene (PPV), ...
[PDF]A New Family of Highly Emissive Soluble Poly(p-phenylene vinylene)
Department of Chemistry, Wright State UniVersity. Dayton, Ohio 45435. ReceiVed October 13, 1997. Poly(p-phenylene vinylene) (PPV) is the first conjugated ...
[PDF]Electron-Deficient Poly(p‑phenylene vinylene) Provides Electron ...
Apr 11, 2013 ... College of Chemistry and Chemical Engineering, Xiamen University, Xiamen ... Poly(p-phenylene vinylene) derivatives (PPVs) are among ...
Fluorescence spectroscopy of poly(p-phenylenevinylene ...
Fluorescence spectroscopy of poly(p-phenylenevinylene) derivatives in flow Full Written ... Intelligent Polymer Research Institute, University of Wollongong ...
[PDF]Formation of layer structures in H_ {2} SO_ {4} intercalated poly (p ...
Formation of layer structures in H2SO4 intercalated poly„p-phenylene vinylene… Guomin Mao and M. J. Winokur. Department of Physics, University of ...
Conjugated polymer network films of poly(p-phenylene vinylene ...
Mar 2, 2012 ... Conjugated polymer network films of Poly(p-phenylene vinylene) with ... Case Western Reserve University, Cleveland, Ohio 44106, USA.
Synthesis and characterization of poly(p-phenylene vinylene).
Material Science Laboratory, Physics Department, University of Malaya, 50603 Kuala Lumpur. Poly (p-phenylene vinylene) (PPV) was synthesized from ...
A Method for Fabricating an Ultrathin Multilayer Film Composed of ...
Apr 16, 2013 ... A Method for Fabricating an Ultrathin Multilayer Film Composed of Poly(p-phenylenevinylene) and Reduced Graphene Oxide on a Plastic ...
[PDF]PDF (1367 KB) - World Scientific
Peking University, Beijing 100871, China. Abstract Novel shish-kebab type liquid crystalline poly( p-phenylenevinylene) derivatives were synthesized by Stille ...
Books on the term Poly(p-phenylene vinylene)
Chemical Vapor Deposition and Characterization of Poly(p-phenylene ...
Chemical Vapor Deposition and Characterization of Poly(p-phenylene ...
Cynthia Ann Gedelilan, 2008
Photodegradation of PPV films due to incorporation of oxygen during light exposure can be reduced from 80% to 30% under UV light and nearly prevented under blue light when encapsulated with 10 nm aluminum oxide.
Silicon Polymers
Silicon Polymers
Aziz M. Muzafarov, 2010
Ahn T, Ko SW, Lee J, Shim HK (2002) Novel cyclohexylsilyl- or phenylsilyl- substituted Poly(p-phenylene vinylene)s via ... Chen ZK, Wang LH, Kang ET, Huang W (1999) Intense green light from a silyl-substituted poly(p-phenylenevinylene)- ...
Conjugated Polymer Synthesis: Methods and Reactions
Conjugated Polymer Synthesis: Methods and Reactions
Yoshiki Chujo, 2011
... dichroism (CD) spectra 142 poly(methyl methacrylate) 91 poly(naphtalene-2,6- diyl) 17 poly(naphthalene-1,4-diyl) 17 poly(p-benzoquinone) 17 polyphenylenes 48–50, 54, 55, 92, 93. see also poly(p-phenylene) poly(phenylenevinylene-alt-2 ...
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Poly(p-phenylene vinylene)
Poly(p-phenylene vinylene)(PPV)and its derivatives have special optoelectronics properties and have aroused great interest in the world as excellent electroluminescent materials up to now.
Charge transport in poly(p-phenylenevinylene) at low temperature and high electric field
Materials | Free Full-Text | Fluorinated Poly(p-phenylenevinylene)s: Synthesis and Optical Properties of an Intriguing Class of Luminescent Polymers
Materials, an international, peer-reviewed Open Access journal.
Gil Claudio | UA&P Profiles
Gil Claudio, Assistant Professor, Department of Science Excitation energy transfer in conducting polymers; Poly-ferrocenes’ synthesis Education Post-doctoral research, Max Planck Institute for Polymer Research, Mainz, Germany. Doctor of Philosophy in Chemistry, University of Houston, Houston, Texas Master of Science in Chemistry, Ateneo de Manila University Bachelor of Science in Chemistry, Ateneo de Manila University Professional awards Department of Science and Technology Scholarship Awardee, 1992 to 1996.
N-Type Conjugated Polymer: Synthesis of Regioregular Poly(p-phenylenevinylene)s by Horner Reaction and Their Regioregularity Characterization
A new synthetic route was developed to obtain highly regioregular poly[(2-methoxy-5-alkyloxy)-1,4-phenylenevinylene]s (PPVs) by the Horner reaction using asymmetrically functionalized monomers. The polymers showed good solubility in chlorobenzene at over 100 C.
"Spectroscopic characterisation of SWNT polymer composites" by Sinead Keogh (Thesis)
In this study hybrid systems of the conjugated organic polymer poly(p-phenylene vinylene-co-2,5-dioctyloxy-m-phenylene vinylene) (PmPV) with single-walled carbon nanotubes synthesised by the Arc discharge method and by gas-phase catalytic decomposition of carbon monoxide at high pressure (HiPco process) are explored using a wide variety of spectroscopic, microscopic and thermal techniques. Diameter dependent solubilisation has been previously shown in solutions of such composites. Firstly the selective interaction is investigated using UV/Vis/NIR absorption and Raman spectroscopy at an excitation wavelength 514.5nm. Examination of the radial breathing modes (RBMs) shows similar tube diameters of 1.2nm and 1.35nm were selected for both the Arc discharge and HiPco composites. The corresponding G-lines of both composites shows no specific type of tubes being selected. At 514.5nm the G-line of the HiPco composite (1%mass fraction) shows contributions from semiconducting and metallic tubes, while the Arc discharge composite (1% mass fraction) is dominated by semiconducting nanotubes. At 632.8nm the G-line of the HiPco composite (1%mass fraction) is dominated by semiconducting tubes, while the Arc discharge composite (1% mass fraction) shows strong contributions from metallic tubes. This finding is a strong indication that the selection process is dependent on tube diameter rather than backbone structure. The solubility limits of both composites are determined by investigating the G-lines of both composites and have been found to be greater than 1% mass fraction by weight for the Arc discharge composite and greater than 0.1% mass fraction by weight for the HiPco system. For the HiPco composite the greatest G-line downshift (~12 cm -1) occurred between 1% and 0.1% mass fraction. This downshift in the G-line, which also experience a decrease in full width at half maximum, results from the polymer intercalating into the nanotube ropes thus causing them to debundle. For this reason temperature dependant measurements were carried out at 0.1%mass fraction to further investigate this interaction. An endothermic transition is observed in the differential scanning calorimetry (DSC) studies of both the polymer and 0.1% HiPco composite in the region of 50°C. Also observed in the DSC of the composite is a double peaked endotherm at -39°C and -49°C which does not appear in the polymer. The Raman spectrum of the polymer upon increasing the temperature to 60°C shows a diminished cis-vinylene mode at 1575cm-1., with an increase in relative intensity of the trans-vinylene mode at 1630cm-1. Partially irreversible changes in isomerisation suggest increased order in the polymer. This change in the
Synthesis and Physicochemical Characterization of Chitin Derivatives
Journal of Chemistry is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of chemistry.
Polymers Adding to High-Tech Lighting | Polymer Solutions Newsblog
The light bulb industry is evolving, going high-tech, some would say. And polymers are pushing the trend along with polymer light-emitting diodes (PLEDs.)