scholarly journals A supramolecular polymeric heterojunction composed of an all-carbon conjugated polymer and fullerenes

2021 ◽  
Author(s):  
Shengda Wang ◽  
Xingcheng Li ◽  
Xinyu Zhang ◽  
Pingsen Huang ◽  
Pengwei Fang ◽  
...  
Keyword(s):  
Conjugated Polymer ◽  
Supramolecular Polymer ◽  
Conjugated Macrocycles ◽  
Linear Poly ◽  
Polymer Host

Herein, we design and synthesize a novel all-carbon supramolecular polymer host (SPh) containing conjugated macrocycles interconnected by a linear poly(para-phenylene) backbone.

scholarly journals Supramolecular Polymer Systems: Efficient Aggregation‐Induced Emission Manipulated by Polymer Host Materials (Adv. Mater. 37/2019)

2019 ◽  
Vol 31 (37) ◽  
pp. 1970261
Author(s):  
Xing‐Huo Wang ◽  
Nan Song ◽  
Wei Hou ◽  
Chun‐Yu Wang ◽  
Yan Wang ◽  
...  
Keyword(s):  
Supramolecular Polymer ◽  
Polymer Systems ◽  
Aggregation Induced Emission ◽  
Host Materials ◽  
Polymer Host

The DFT study on non-conjugated polymer host materials based on styrene derivatives for phosphorescent polymer light-emitting diodes

2015 ◽  
Vol 28 (8) ◽  
pp. 554-563 ◽  
Author(s):  
Xiaguang Zhang ◽  
Wei Shen ◽  
Huili Sun ◽  
Pei Yu ◽  
Rongxing He ◽  
...  
Keyword(s):  
Conjugated Polymer ◽  
Light Emitting Diodes ◽  
Dft Study ◽  
Light Emitting ◽  
Host Materials ◽  
Polymer Light Emitting Diodes ◽  
Styrene Derivatives ◽  
Polymer Host

Poly(m-phenylene): Conjugated Polymer Host with High Triplet Energy for Efficient Blue Electrophosphorescence

2010 ◽  
Vol 43 (23) ◽  
pp. 9608-9612 ◽  
Author(s):  
Jun Liu ◽  
Qibing Pei
Keyword(s):  
Conjugated Polymer ◽  
Triplet Energy ◽  
Polymer Host

scholarly journals High efficiency phosphorescence light-emitting diodes with conjugated polymer host

2009 ◽  
Vol 58 (12) ◽  
pp. 8630
Author(s):  
Niu Qiao-Li ◽  
Zhang Yong ◽  
Fan Guang-Han
Keyword(s):  
Conjugated Polymer ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Polymer Host

High efficiency all phosphorescent white light-emitting diodes based on conjugated polymer host

2011 ◽  
Vol 161 (19-20) ◽  
pp. 2149-2153 ◽  
Author(s):  
Qiaoli Niu ◽  
Junbiao Peng ◽  
Yong Zhang ◽  
Yong Zhang ◽  
Bo Liang
Keyword(s):  
White Light ◽  
Conjugated Polymer ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
White Light Emitting Diodes ◽  
Polymer Host

Scanning-tunneling spectroscopy on conjugated polymer films

2003 ◽  
Vol 771 ◽  
Author(s):  
M. Kemerink ◽  
S.F. Alvarado ◽  
P.M. Koenraad ◽  
R.A.J. Janssen ◽  
H.W.M. Salemink ◽  
...  
Keyword(s):  
Polymer Films ◽  
Conjugated Polymer ◽  
Three Dimensional ◽  
Field Enhancement ◽  
Direct Consequence ◽  
Scanning Tunneling Spectroscopy ◽  
Tunneling Spectroscopy ◽  
Band Alignment ◽  
Scanning Tunneling ◽  
Order Of Magnitude

AbstractScanning-tunneling spectroscopy experiments have been performed on conjugated polymer films and have been compared to a three-dimensional numerical model for charge injection and transport. It is found that field enhancement near the tip apex leads to significant changes in the injected current, which can amount to more than an order of magnitude, and can even change the polarity of the dominant charge carrier. As a direct consequence, the single-particle band gap and band alignment of the organic material can be directly obtained from tip height-voltage (z-V) curves, provided that the tip has a sufficiently sharp apex.

Optical and Electrical Properties of Organic Conducting Polymers

2014 ◽  
Vol 8 (1) ◽  
pp. 1457-1463
Author(s):  
Salah Abdulla Hasoon
Keyword(s):  
Electrical Properties ◽  
Conjugated Polymer ◽  
Polymeric Materials ◽  
Quantum Mechanical ◽  
Optical And Electrical Properties ◽  
Electrically Conducting ◽  
Temperature Ranges ◽  
Lithium Tetrafluoroborate ◽  
Absorbance Peak ◽  
Polymerization Method

Novel electrically conducting polymeric materials are prepared in this work. Polythiophene (PT) and poly (3-Methelthiophene) (P3MT) films were prepared by electro-polymerization method using cyclic voltammetry in acetonitrile as a solvent and lithium tetrafluoroborate as the electrolyte on a gold electrode. Electrical properties of P3MT have been examined in different environments using UV-Vis absorption spectroscopy and quantum mechanical ab initio calculations, The observed absorption peaks at 314 and 415 nm, were attributed to the n-π* and π-π* transitions, respectively in the conjugated polymer chain, in contrast, the observed absorbance peak at 649 nm, is responsible for electric conduction. The temperature dependence of the conductivity can be fitted to the Arrhenius and the VTF equations in different temperature ranges.

Dissolution and Performing Homogeneous Photocatalysis of Polymeric Carbon Nitride

2018 ◽  
Author(s):  
Chaofeng Huang ◽  
Jing Wen ◽  
Yanfei Shen ◽  
Fei He ◽  
Li Mi ◽  
...  
Keyword(s):  
Conjugated Polymer ◽  
Carbon Nitride ◽  
Heterogeneous Catalysts ◽  
Methane Sulfonic Acid ◽  
Environment Friendly ◽  
The Poor ◽  
Catalytic Sites ◽  
Homogeneous Photocatalysis ◽  
Polymeric Carbon ◽  
First Time

<a></a><a>As a metal-free conjugated polymer, carbon nitride (CN) has attracted tremendous attention as heterogeneous (photo)catalysts. </a><a></a><a>By following prototype of enzymes, making all catalytic sites of accessible via homogeneous reactions is a promising approach toward maximizing CN activity, but hindered due to </a><a></a><a>the poor insolubility of CN</a>. Herein, we report the dissolution of CN in environment-friendly methane sulfonic acid and the homogeneous photocatalysis driven by CN for the first time with the activity boosted up to 10-times, comparing to the heterogeneous counterparts. Moreover, facile recycling and reusability, the <a>hallmark</a> of heterogeneous catalysts, were kept for the homogeneous CN photocatalyst via reversible precipitation using poor solvents. It opens new vista of CN in homogeneous catalysis and offers a successful example of polymeric catalysts in bridging gaps of homo/heterogeneous catalysis.

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