New Soluble, Coplanar Poly(naphthalene-2,6-diyl)-Type π-Conjugated Polymer, Poly(pyrimido[5,4-d]pyrimidine-2,6-diyl), with Nitrogen Atoms at All of theo-Positions. Synthesis, Solid Structure, Optical Properties, Self-Assembling Phenomena, and Redox Behavior

2002 ◽  
Vol 35 (8) ◽  
pp. 2993-2999 ◽  
Author(s):  
Takakazu Yamamoto ◽  
Bang-Lin Lee
Keyword(s):  
Optical Properties ◽  
Conjugated Polymer ◽  
Redox Behavior ◽  
Solid Structure ◽  
Self Assembling

Enhancement of optical properties of poly (9,9′-di-n-octylfluorenyl-2,7-diyl) in conjugated polymer/TiO2 nanocomposites

2014 ◽  
Vol 92 (9) ◽  
pp. 1021-1025 ◽  
Author(s):  
Bandar Ali Al-Asbahi ◽  
Mohammad Hafizuddin Haji Jumali
Keyword(s):  
Optical Properties ◽  
Conjugated Polymer ◽  
Emission Spectra ◽  
Treatment Temperature ◽  
Nanocomposite Films ◽  
Glass Substrates ◽  
Solution Blending ◽  
Heat Treated ◽  
Blending Method ◽  
Splitting Energy

The influence of colloidal TiO2 nanoparticle contents on the optical properties of poly (9,9′-di-n-octylfluorenyl-2,7-diyl) conjugated polymer (PFO) has been investigated. The solution blending method was used to prepare homogenous PFO/TiO2 nanocomposite. The nanocomposite films were prepared on glass substrates using the spin-coating technique. The films were divided into two groups, the first was left to dry at room temperature while the second was heat-treated at 120 °C for 1 h. Absorption and emission spectra showed that the PFO existed in α- and β-phases morphology having monomeric, excimeric, and double excimeric states. In addition, both spectra revealed that TiO2 contents and heat treatment temperature extended the conjugation length of PFO. Finally, emission spectra for both cases exhibited decreasing in the line width of zero-phonon emission spectra and increasing in the vibronic splitting energy, upon increment of the TiO2, led to a significant increase in π-electron delocalization and lower degree in chain disorder.

Conjugated polymer particles: towards self-assembling organic photonics

2013 ◽  
Author(s):  
Alexander J. C. Kuehne ◽  
Tobias Luelf ◽  
Matthias Wessling ◽  
Joris Sprakel
Keyword(s):  
Conjugated Polymer ◽  
Polymer Particles ◽  
Self Assembling ◽  
Organic Photonics

Functionalizable Self-Assembling Polydiacetylenes and Their Optical Properties

1998 ◽  
Vol 10 (1) ◽  
pp. 27-29 ◽  
Author(s):  
M. Sukwattanasinitt ◽  
X. Wang ◽  
L. Li ◽  
X. Jiang ◽  
J. Kumar ◽  
...  
Keyword(s):  
Optical Properties ◽  
Self Assembling

Optical properties of MEH-PPV conjugated polymer covered by silica nanoshells

2006 ◽  
Vol 102 (6) ◽  
pp. 5620-5626 ◽  
Author(s):  
G. A. M. Sáfar ◽  
F. A. C. Oliveira ◽  
L. A. Cury ◽  
A. Righi ◽  
P. L. M. Barbosa ◽  
...  
Keyword(s):  
Optical Properties ◽  
Conjugated Polymer

Aggregation induced emission amphiphile with an ultra low critical micelle concentration: fabrication, self assembling, and cell imaging

2016 ◽  
Vol 4 (2) ◽  
pp. 198-201 ◽  
Author(s):  
Haiyin Li ◽  
Jiafu Chang ◽  
Ting Hou ◽  
Feng Li
Keyword(s):  
Optical Properties ◽  
Critical Micelle Concentration ◽  
Ammonium Salt ◽  
Cell Imaging ◽  
Aggregation Induced Emission ◽  
Self Assembling ◽  
Water Dispersibility

An AIE-active amphiphile containing a tetraphenylethene moiety and a quarternary ammonium salt group, with an ultra low CMC, desirable optical properties, good water dispersibility and excellent biocompatibility, was prepared and investigated, and the as-prepared amphiphile was successfully applied in cell imaging.

Electrical and optical properties of an alcohol soluble aminoalkyl-substituted cationic conjugated polymer

2008 ◽  
Vol 43 (8) ◽  
pp. 2818-2824 ◽  
Author(s):  
Lin Ke ◽  
Vijila Chellappan ◽  
Bin Liu ◽  
Zhen Xian Soh ◽  
Rina Hui Ting Soh ◽  
...  
Keyword(s):  
Optical Properties ◽  
Conjugated Polymer ◽  
Electrical And Optical Properties
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