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Showing 1 to 19 of 19 for “"tetrathiafulvalene"”.
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Synthesis and characterisation of new tetrathiafulvalene-oligofluorene derivatives for moisture indicators
… systems wherein redox-active dithiophene-tetrathiafulvalene is used as a core unit, providing an increase in dimensionality to a plurality of hexylated oligofluorenespores. The synthesis and properties of the oligofluorene systems are discussed. The photophysical behaviour, thermal and …
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Scanning Electron Microscope Technique for Measuring Electrical Conductivity: Application to Tetrathiafulvalene - Tetracyanoquinodimethane
Made available in DSpace on 2015-05-13T15:22:09Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7804075.PDF: 7196688 bytes, checksum: 41d300b7ff4dfe87ffc32a857d78ce6a (MD5) Previous issue date: 1977
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Scanning electron microscope technique for measuring electrical conductivity: Application to tetrathiafulvalene-tetracyanoquinodimethane
… and its application to the organic conductor tetrathiafulvalenetetracyanoquinodimethane (TTF-TCNQ) is reported. A movable current sour(:e provided by the electron beam of a scanning electron microscope is used to map out the potential distribution on crystal faces containing the a-b …
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A Modified Procedure for the Synthesis of Bis(phenylenedioxy)tetrathiafulvalene (BPDO-TTF): an Electron Donor for Charge Transfer Organic Complexes.
<p>Iminium salt dimethyliminium hexafluorophosphate <em><strong>(5)</strong></em>, a precursor of the target compound BPDO-TTF, was synthesized in five steps with significant modifications in the previously worked out scheme. 2,3-Dihydrobenzo-1, 4-dioxin<em><strong>(1)</strong></em> was synthesized …
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The synthesis and characterization of porous, conductive, and ordered materials
… were made with hexaazatrinaphthylene- and dibenzotetrathiafulvalene-based precursors with boronic acids to prepare covalent-organic frameworks (COFs) possessing boroxole linkages. After preparing the precursors, several different reaction conditions were attempted, but the desired COFs proved …
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Polianilino ir pilipirolo, aukso nanodalelių bei įvairių elektronų pernašos tarpininkų taikymas gliukozės biologiniuose jutikliuose /
… transport, compared electron transfer mediators tetrathiafulvalene, phenazine methosulfate, 5,6-diamin-1,10-phenanthroline, tetrathiafulvalene - tetracyanoquinodimethane complex, methylene blue, toluidine blue and potassium ferrocyanide ability to transfer electrons from the glucose oxidase redox …
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Polianilino ir polipirolo, aukso nanodalelių bei įvairių elektronų pernašos tarpininkų taikymas gliukozės biologiniuose jutikliuose /
… transport, compared electron transfer mediators tetrathiafulvalene, phenazine methosulfate, 5,6-diamin-1,10-phenanthroline, tetrathiafulvalene - tetracyanoquinodimethane complex, methylene blue, toluidine blue and potassium ferrocyanide ability to transfer electrons from the glucose oxidase redox …
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Metal-organic nanowires
… metal ions and organic ligands including tetrathiafulvalene (TTF) and tetracyanoquinodimethane (TCNQ) were focused in this thesis. Concerning the synthesis of metal-organic nanowires, microfluidics offers various benefits, e.g. laminar flow, reduced sample/reagent consumption and control …
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End-capped oligothiophene dimers incorporating TTF, metal dithiolene and spirocentric cores
… of oligothiophene precursors for unique tetrathiafulvalene, metal dithiolene, and spirocyclic dimers, the synthesis and properties of which are discussed in chapters 3, 4, and 5 respectively.
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The preparation of organosulfur derived electron transfer salts
… salts formed are based on the bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF or ET) framework, and are produced using the technique of electrocrystallisation. In attempts to control the crystal packing arrangements observed, a number of approaches have been explored including the incorporation of …
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Investigation on the Morphology of Charge-Transfer Complexes in Low Density Polyethylene
… low loading levels. In this study, the effect of tetrathiafulvalene (TTF) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) CTC crystallites of various shapes and sizes on composite mechanical properties was investigated in an LDPE (low density polyethylene) polymer matrix. The CTC morphology was …
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Novel approaches to engineer glucose biosensors
… by a simple coupling technique together with a tetrathiafulvalene mediator entrapped in an epoxy-polyurethane permselective membrane. Functional testing revealed that such modified sensors are capable of detecting glucose concentration within the clinically relevant range. This was followed by …
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Ligand design for molecule-based magnetic and/or conducting materials
… and characterization of a new family of tetrathiafulvalene derivatives VIII – XII, where a heterocyclic chelating ligand is appended to a TTF donor via an imine linker. The coordination chemistries of these ligands with M(hfac)2.H2O (M( = Co, Ni, Mn, Cu) have been explored and the …
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N-type doping of organic thin films using a novel class of dopants
… of NTCDA doped with (bis(ethylenedithio)-tetrathiafulvalene (BEDT- TTF) as investigated previously [A. Nollau, M. Pfeiffer, T. Fritz, K. Leo, J. Appl. Phys. 87, 4340 (2000)], and four orders of magnitude higher than nominally undoped NTCDA films. The experimental trends in the field effect …
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Enhancing the oxidation of Li₂O₂ in Li-O₂ batteries : mechanistic and chemical efficacy probing
… of Li₂O₂ is observed with benchmark mediator tetrathiafulvalene. On charge substoichiometric O₂ regeneration is observed for both mediators; however, improved oxygen regeneration is seen using TTF.
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Studies in clay chemistry
… the conducting properties by intercalation of tetrathiafulvalene, - to study the electrochemistry of redox-active coordination compounds immobilised on clay coated electrodes, and - to study the role of clays as reagents in inorganic glass forming reactions using mainly solid-state …
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Under the influence: Understanding the thermodynamic and optical properties of stimuli-responsive complex organic systems
… by incorporation of the organosulfur compound tetrathiafulvalene (TTF) or by complexation with a redox-active molecule such as cobaltocene. A variety of different quantum-chemical methods based on DFT and time-dependent DFT (TD-DFT) is employed in the course of part B to study switching …
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NMR studies of slow motion in the organic superconductors k-(BEDT-TTF)2Cu[N(CN)2]X, X= Br, Cl
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-05-10T21:50:06Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Lui_TakKei.pdf: 11830561 bytes, checksum: 5477b7fed52668dabb3a0d337cc0bf19 (MD5)
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Strong electronic correlations in low-dimensional systems
Understanding strongly correlated systems is one of the most challenging problems of physics. Their properties often sensitively depend on the delicate interplay of kinetic and Coulomb energy rendering them susceptible to external perturbations. To understand and predict experimental results we …