scholarly journals PROPERTIES OF CONDUCTING POLYMER DONOR-ACCEPTOR COMPOSITE FILMS AND PHOTOVOLTAIC CHARACTERISTICS OF JUNCTION DEVICES

2001 ◽  
Vol 50 (6) ◽  
pp. 1157
Author(s):  
FENG WEI ◽  
CAO MENG ◽  
WEI WEI ◽  
WU HONG-CAI ◽  
WAN MEI-XIANG ◽  
...  
Keyword(s):  
Conducting Polymer ◽  
Composite Films ◽  
Donor Acceptor ◽  
Photovoltaic Characteristics

scholarly journals Understanding the capacitance of thin composite films based on conducting polymer and carbon nanostructures in aqueous electrolytes

2021 ◽  
pp. 138356
Author(s):  
Anita Cymann-Sachajdak ◽  
Magdalena Graczyk-Zajac ◽  
Grzegorz Trykowski ◽  
Monika Wilamowska-Zawłocka
Keyword(s):  
Conducting Polymer ◽  
Carbon Nanostructures ◽  
Composite Films ◽  
Aqueous Electrolytes

Large enhancement of the transient and steady-state photoconductivity of conducting polymer/C60 composite films

1995 ◽  
Vol 70 (1-3) ◽  
pp. 1353-1356 ◽  
Author(s):  
C.H. Lee ◽  
G. Yu ◽  
K. Pakbaz ◽  
D. Moses ◽  
N.S. Sariciftci ◽  
...  
Keyword(s):  
Steady State ◽  
Conducting Polymer ◽  
Composite Films ◽  
Large Enhancement ◽  
Transient And Steady State

The Effect of Nanotube Loading and Dispersion on the Three-Dimensional Nanostructure of Carbon Nanotube-Conducting Polymer Composite Films

2002 ◽  
Vol 739 ◽  
Author(s):  
Mark Hughes ◽  
George Z. Chen ◽  
Milo S. P. Shaffer ◽  
Derek J. Fray ◽  
Alan H. Windle
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Conducting Polymer ◽  
Polymer Composite ◽  
Electrochemical Polymerization ◽  
Composite Films ◽  
Three Dimensional ◽  
Ionic Diffusion ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

ABSTRACTNanoporous composite films of multi-walled carbon nanotubes (MWNTs) and either polypyrrole (PPy) or poly(3-methylthiophene) (P3MeT) were grown using an electrochemical polymerization technique in which the nanotubes and conducting polymer were deposited simultaneously. The concentration and dispersion of MWNTs in the polymerization electrolyte was found to have a significant effect on the thickness of polymer coated on each MWNT and hence the loading of MWNTs in the films produced. It has been shown that for an increasing concentration of MWNTs in the polymerization electrolyte, the thickness of polymer coated on each MWNT decreases. This relationship made it possible to minimize ionic diffusion distances within the nanoporous MWNT-PPy films produced, reducing their electrical and ionic resistance and increasing their capacitance relative to similarly prepared pure PPy films.

Polarity switching from p- to n-type in a single thermoelectric donor-acceptor copolymer by p-type doping

2021 ◽  
Author(s):  
Jing Wang ◽  
Yizhuo Wang ◽  
Qing Li ◽  
Zhanchao Li ◽  
Liqing Xu ◽  
...  
Keyword(s):  
Conducting Polymer ◽  
High Performance ◽  
High Current Density ◽  
Organic Polymer ◽  
Novel Approach ◽  
Polarity Switching ◽  
Electrical Conductivities ◽  
Planar Film ◽  
Donor Acceptor ◽  
P Type

Abstract The transport mechanism of organic materials is still far away from being well understood and controlled although conducting polymers have been discovered since 1977. It is rare to see conducting polyers possessing high bipolar (p- and n-type) electrical conductivities within a single bulk doped organic polymer without the assistant of gate voltage. Here, we report a novel approach to provide high performance n-type materials by p-type doping. More importantly, the bipolar electrical conductivities of the donor-acceptor conducting polymer are high, resulting high bipolar power factors among the solution-processable ambipolar D-A copolymers. A fully organic p-n junction is created in a planar film, exhibiting a high rectification ratio of 2 x 102 at +5 V with a high current density of 3 A/cm2. Structural and spectroscopic tests have been performed to provide a fundamental understanding of the polarity switching mechanism. The results open the opportunity of making p- and n-type modules with a single conducting polymer for future modern organic electronics.

Fabrication and characterization of organic semiconductor for electromagnetic interference shielding material

2011 ◽  
Vol 31 (4) ◽  
Author(s):  
Habibun Nabi Muhammad Ekramul Mahmud ◽  
Anuar Kassim
Keyword(s):  
Conducting Polymer ◽  
Polymer Composite ◽  
Indium Tin Oxide ◽  
Electromagnetic Interference ◽  
Composite Films ◽  
Oxide Glass ◽  
Poly Vinyl Alcohol ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Shielding Material

Abstract Conducting polymer films produced by electropolymerization technique are highly conductive, simple, and suitable for use especially in electronic devices. An attempt has been made to produce polypyrrole-poly(vinyl alcohol) (PPy-PVA) conducting polymer composite films using 0.1 m p-toluene sulfonate dopant at a potential of 1.2 V (vs. standard calomel electrode) on indium tin oxide glass electrode. The potential application of the prepared PPy-PVA conducting polymer composite films as an electromagnetic interference (EMI) shielding material has been investigated in the present study. The EMI shielding effectiveness of PPy-PVA composite films prepared from different experimental conditions was analyzed in the microwave frequency range of 8–12 GHz. The shielding effectiveness of 45.67–35.7 dB has been demonstrated by PPy-PVA conducting polymer composite films, which appears to be very attractive in any EMI shielding applications where a minimum shielding effectiveness of 35 dB is required.

New Ionic Conducting Polymer Composite Films Based on Partially Phosphorylated Poly(vinyl alcohol) and Poly(acrylic acid)

2000 ◽  
Vol 29 (2) ◽  
pp. 92-93 ◽  
Author(s):  
Masahiro Suzuki ◽  
Naomi Takada ◽  
Toshiki Koyama ◽  
Satoshi Kobayashi ◽  
Mutsumi Kimura ◽  
...  
Keyword(s):  
Acrylic Acid ◽  
Conducting Polymer ◽  
Polymer Composite ◽  
Vinyl Alcohol ◽  
Composite Films ◽  
Poly Vinyl Alcohol ◽  
Ionic Conducting ◽  
Poly Acrylic Acid
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