نتایج جستجو برای: conducting polymers

تعداد نتایج: 126424  

2013
Hyeonseok Yoon

Conducting polymers represent an important class of functional organic materials for next-generation electronic and optical devices. Advances in nanotechnology allow for the fabrication of various conducting polymer nanomaterials through synthesis methods such as solid-phase template synthesis, molecular template synthesis, and template-free synthesis. Nanostructured conducting polymers featuri...

2012
WooSeok Choi

The advancement of nanotechnology provides opportunities for fabrication of nanoscale materials and higher performance devices using nanomaterials with high precision. Currently, various nanomaterials and nanostructures in the range of 1 to 100 nm have been produced by chemical and physical methods. Among various nanostructured materials, one-dimensional (1D) materials, such as nanowires, nanot...

2010
TETSUYA OSAKA SHINICHI KOMABA TOSHIYUKI MOMMA Milan Paunovic

Electron-conductive polymers were first reported in 1971 by Shirakawa and co-workers [1]. They synthesized conducting polyacetylene and found that it had a considerably high conductivity relative to other organic compounds, 10 S cm 1 [1–3]. Since 1971, various conducting polymers and their synthesis mechanisms have been studied actively by many researchers [4]. The conductivities of these polym...

Composites of polyaniline with calcium carbonate particles (PANI/CaCO3) with <span style="font-size: 10p...

H. Aghaiel K. Zare M. Aghaie M. Banimahd Keivani R. Ansari

Practical applications of conducting polymers such as polyaniline as membranes are particulary limitedbecause of their poor mechanical properties. However by mixing polyaniline with some conventional insulatingpolymers such as nylon and preparation composite films through solvent casting or blending, it seems to be asuitable way in order to increase the mechanical properties of the conducting p...

2006
Saulius Grigalevicius Michael Forster Stefan Ellinger Katharina Landfester Ullrich Scherf

Excitation energy transfer from semi-conducting polymers to fluorescent dyes (or dye-labeled analytes) is commonly used in sensor applications, e.g., for DNA and protein sensing. Semi-conducting polymers show rather high absorption cross-sections and a high intra-chain mobility of the delocalized excitations leading to a high sensitivity for the excitation light. However, sensing of biological ...

2014
Bindu S M S Suresh

Measurement of bulk resistance/resistivity of conducting polymers is very common and an important requirement. Conducting polymers are semiconductors and four probe measurements are needed to avoid errors due to contact resistance and spreading resistances. However, in a device it is convenient to make two probe measurements rather than four probe measurement. It has been shown here that the bu...

2007
Ray H. Baughman

The various types of natural muscle are incredible material systems that enable the production of large deformations by repetitive molecular motions. Polymer artificial muscle technologies are being developed that produce similar strains and higher stresses using electrostatic forces, electrostriction, ion insertion, and molecular conformational changes. Materials used include elastomers, condu...

2008
S. Ashok Kumar Shen-Ming Chen

Past few decades, conducting and redox active polymers play a critical role in the development of transducers for biosensing. It has been evidenced by increasing numerous reports on conducting and redox active polymers incorporated electrodes for assay of biomolcules. This review highlights the potential uses of electrogenerated polymer modified electrodes and polymer/carbon nanotubes composite...

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