Results 201 to 210 of about 7,791 (245)
Electrochimica Acta3,4-ethylenedioxythiophene (EDOT) based donor-acceptor-donor (DAD) type conjugated polymers generally have extraordinary electrochromic properties due to the excellent nature of the EDOT unit.
Emine Gul Cansu Ergun, Ahmet M Onal
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Electrochromic Properties of the Multicolored Polyaniline Nanofilms
Advanced Materials Research, 2012In this paper, electrochemical polymerization method was used to prepare electrochromic PANI films with different thicknesses via changing the polymerization time. It is found that the obtained PANI films are uniform and have good adherence with the ITO bases.
Ying Bai, Xin Li, Jian Xin Du
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Synthesis and Electrochromic Properties of Soluble Polythiophenes
Advanced Materials Research, 2012Two kinds of 3-alkoxythiophene monomers were synthesized by the nucleophilic substitution and transetherification reactions. Soluble conjugated polymers based on 3-alkoxythiophene were synthesized by electrochemical polymerization. The process of the electrochemical polymerization, electrochemical redox behaviors and electrochromis of the polymer were ...
Min Su +4 more
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Improving electrochromic properties via copolymerization
Smart Materials and Structures, 2010Copolymers of 5,8-di(1H-pyrrol-2-yl)-2,3-di(thiophen-2-yl)quinoxaline (PTQ) in the presence of 2, 2'-bis(3,4-ethylenedioxythiophene) (BiEDOT) and 4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-2-dodecyl-2H-benzo[1,2,3] triazole (BEBT) were synthesized via the potentiodynamic method in a tetrabutylammonium perchlorate/dichloromethane (TBAP/DCM) (0.1 ...
Balan, Abidin +3 more
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The Preparation and Electrochromism Property of Vanadium Pentoxide
Applied Mechanics and Materials, 2013The V2O5 films were prepared by the (radio frequency)RF sputtering. The transmission of the samples under different deposition pressures and different Ar/O2 flow ratios was investigated to determine the fundamental preparation condition for the further analysis. On the fundamental condition, the security volt of V2O5 was determined.
Yi Xin Wang +7 more
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The electrochromic properties of lutetium and other phthalocyanines
Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1982Abstract The electrochemical properties of thin films of metal phthalocyanines on conducting substrates are investigated. The electrochromism of lutetium diphthalocyanine is discussed and a film electrode model is proposed based on an irreversible charge transfer step.
G.C.S. Collins, D.J. Schiffrin
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Electrochromic properties of tunsgten trioxide nanostructures
2013 IEEE 63rd Electronic Components and Technology Conference, 2013WO3 is the most widely studied electrochromic material because of its high colouration efficiency and high cyclic stability. Use of tungsten hexachloride as precursor synthesizes the highly porous WO3 nanowire networks by hydrothermal method. Color efficiency of 120.3 cm2 C-1 during the coloration/bleaching process, high transmittance contrast(57 ...
Yi-Hsuan Huang +2 more
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Electrochromic Properties of Tetracyanohexatriene Push‐Pull Chromophores
Chemistry – An Asian JournalABSTRACT Tetracyanoethene (TCNE)‐integrated π‐systems exhibit strong donor‐acceptor (D–A) interactions and display intriguing optical and electronic properties, making them ideal candidates for electrochromism. However, such studies have never been carried out.
Abhijeet V. Kamble, Rajeswara Rao M
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Conducting copolymers of polytetrahydrofuran and their electrochromic properties
Journal of Applied Polymer Science, 2005AbstractLiving polytetrahydrofuran (PTHF) was terminated with sodium thiophene methonate to yield a polymer with a thiophene group at one end. Copolymerizations of PTHF with pyrrole and thiophene were achieved in water‐p‐toluene sulfonic acid and acetonitrile‐tetrabutylammonium tetrafluoroborate (TBAFB) solvent‐electrolyte couples via constant ...
Ece Ünür +3 more
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Electrochemical cycling and electrochromic properties of polyindole
Materials Research Bulletin, 1994Polyindole can be obtained after anodic oxidation of indole C8NH7 in acetonitrile - LiClO4 or LiBF4 solutions. This electroactive material presenting an electrical conductivity close to 10−1 S.cm−1 is green in the doped state and yellow in the reduced form.
E.B. Maarouf, D. Billaud, E. Hannecart
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