Molecular Heterojunctions of Oligo(phenylene ethynylene)s with Linear to Cruciform Framework

2015 ◽  
Vol 25 (11) ◽  
pp. 1700-1708 ◽  
Author(s):  
Zhongming Wei ◽  
Tim Hansen ◽  
Marco Santella ◽  
Xintai Wang ◽  
Christian R. Parker ◽  
...  
Keyword(s):  
Phenylene Ethynylene ◽  
Molecular Heterojunctions

Self-assembly of chiral oligo(methylene-p-phenylene-ethynylene)s into vesicle-like particles independent of hydrophobicity/hydrophilicity of side chains and solvents

Soft Matter ◽  
2021 ◽  
Author(s):  
Zhiqiang Zhao ◽  
Zheng Bian ◽  
Yu Chen ◽  
Chuanqing Kang ◽  
Lianxun Gao ◽  
...  
Keyword(s):  
Self Assembly ◽  
Molecular Design ◽  
The Self ◽  
Side Chains ◽  
Phenylene Ethynylene

Chiral oligo(methylene-p-phenyleneethynylene)s can form vesicular assemblies no matter whether side chains and solvents are hydrophilic or hydrophobic. The self-assembly processes are highly independent of molecular design and chemical environments.

Naphthalimide-containing conjugated polyelectrolytes with different chain configurations

2019 ◽  
Vol 17 (10) ◽  
pp. 2635-2639 ◽  
Author(s):  
Yu Chen ◽  
Ying Tan ◽  
Chunyan Tan ◽  
Yunpeng Lu ◽  
Yuzong Chen ◽  
...  
Keyword(s):  
Polymer Chain ◽  
Photophysical Properties ◽  
Phenylene Ethynylene ◽  
Conjugated Polyelectrolytes

Different polymer chain configurations along the main chains of poly(naphthalimide and phenylene ethynylene)s lead to dramatic differences in polymer conformations and photophysical properties.

Advancing conjugated polymers into nanometer-scale devices

2006 ◽  
Vol 78 (10) ◽  
pp. 1803-1822 ◽  
Author(s):  
Wenping Hu ◽  
Hiroshi Nakashima ◽  
Erjing Wang ◽  
Kazuaki Furukawa ◽  
Hongxiang Li ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Molecular Level ◽  
Nanometer Scale ◽  
Transport Mechanisms ◽  
Phenylene Ethynylene ◽  
Polymer Molecules ◽  
Polymer Electronics ◽  
End Groups

In this article, we review the possibility of combining conjugated polymers with nanometer-scale devices (nanodevices), in order to introduce the properties associated with conjugated polymers into such nanodevices. This approach envisages combining the highly topical disciplines of polymer electronics and nanoelectronics to engender a new subdirection of polymer nanoelectronics, which can serve as a tool to probe the behavior of polymer molecules at the nanometer/molecular level, and contribute to clarifying transport mechanisms in conjugated polymers. In this study, we exemplify this combination, using a family of linear and conjugated polymers, poly(p-phenylene-ethynylene)s (PPEs) with thiolacetate-functionalized end groups.

A poly(p-phenylene ethynylene vinylene) with pendant fullerenes

2001 ◽  
Vol 119 (1-3) ◽  
pp. 171-172 ◽  
Author(s):  
A. Marcos Ramos ◽  
M.T. Rispens ◽  
J.C. Hummelen ◽  
R.A.J. Janssen
Keyword(s):  
Phenylene Ethynylene

Pyridine-based poly(aryleneethynylene)s: a study on anionic side chain density and their influence on optical properties and metallochromicity

RSC Advances ◽  
2015 ◽  
Vol 5 (116) ◽  
pp. 96189-96193 ◽  
Author(s):  
Markus Bender ◽  
Kai Seehafer ◽  
Marlene Findt ◽  
Uwe H. F. Bunz
Keyword(s):  
Optical Properties ◽  
Water Soluble ◽  
Side Chain ◽  
Phenylene Ethynylene ◽  
Alternating Copolymers

We report the Pd-catalyzed synthesis of six new water soluble, alternating poly(p-phenylene-ethynylene-p-pyridinylene-ethynylene) (abcb-alternating) copolymers and one poly(p-pyridinyleneethynylene).

scholarly journals X-ray spectroscopy characterization of self-assembled monolayers of nitrile-substituted oligo(phenylene ethynylene)s with variable chain length

2012 ◽  
Vol 3 ◽  
pp. 12-24 ◽  
Author(s):  
Hicham Hamoudi ◽  
Ping Kao ◽  
Alexei Nefedov ◽  
David L Allara ◽  
Michael Zharnikov
Keyword(s):  
Chain Length ◽  
Photoelectron Spectroscopy ◽  
Self Assembled Monolayers ◽  
Phenylene Ethynylene ◽  
X Ray ◽  
Molecular Length ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Gold Thiolate

Self-assembled monolayers (SAMs) of nitrile-substituted oligo(phenylene ethynylene) thiols (NC-OPEn) with a variable chain length n (n ranging from one to three structural units) on Au(111) were studied by synchrotron-based high-resolution X-ray photoelectron spectroscopy and near-edge absorption fine-structure spectroscopy. The experimental data suggest that the NC-OPEn molecules form well-defined SAMs on Au(111), with all the molecules bound to the substrate through the gold–thiolate anchor and the nitrile tail groups located at the SAM–ambient interface. The packing density in these SAMs was found to be close to that of alkanethiolate monolayers on Au(111), independent of the chain length. Similar behavior was found for the molecular inclination, with an average tilt angle of ~33–36° for all the target systems. In contrast, the average twist of the OPEn backbone (planar conformation) was found to depend on the molecular length, being close to 45° for the films comprising the short OPE chains and ~53.5° for the long chains. Analysis of the data suggests that the attachment of the nitrile moiety, which served as a spectroscopic marker group, to the OPEn backbone did not significantly affect the molecular orientation in the SAMs.

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