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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zhang, Xi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Origin of the yield stress anomaly in L12 intermetallics unveiled with physically informed machine-learning potentialscitations
- 2024Sc diffusion in HCP high entropy alloyscitations
- 2023Microstructure stability and self-diffusion in the equiatomic HfScTiZr HCP multi-principal element alloycitations
- 2023Solution-Processed Cu$_2$S Nanostructures for Solar Hydrogen Productioncitations
- 2023Solution-processed Cu 2 S nanostructures for solar hydrogen productioncitations
- 2023Strong impact of spin fluctuations on the antiphase boundaries of weak itinerant ferromagnetic Ni3Al
- 2023Interstitials in compositionally complex alloyscitations
- 2023Interstitials in compositionally complex alloys
- 2022Recent advances in understanding diffusion in muti-principal element systems
- 2022Zr diffusion in BCC refractory high entropy alloys: A case of "non-sluggish" diffusion behaviorcitations
- 2022Zr diffusion in BCC refractory high entropy alloys: A case of ‘non-sluggish’ diffusion behaviorcitations
- 2022Recent Advances in Understanding Diffusion in Multiprincipal Element Systemscitations
- 2021Ab initio simulations of the surface free energy of TiN(001)
- 2018A drug eluting poly(trimethylene carbonate)/poly(lactic acid)-reinforced nanocomposite for the functional delivery of osteogenic moleculescitations
- 2018Temperature dependence of the stacking-fault Gibbs energy for Al, Cu, and Nicitations
- 2017Tunable and processable shape memory composites based on degradable polymerscitations
- 2016"Polymer-polymer composites for the design of strong and tough degradable biomaterials"citations
- 2015Self-assembly of a functional oligo(aniline)-based amphiphile into helical conductive nanowirescitations
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article
Self-assembly of a functional oligo(aniline)-based amphiphile into helical conductive nanowires
Abstract
A tetra(aniline)-based cationic amphiphile, TANI-NHC(O)C<sub>5</sub>H<sub>10</sub>N(CH<sub>3</sub>)<sub>3</sub><sup>+</sup>Br<sup>–</sup>(TANI-PTAB) was synthesized, and its emeraldine base (EB) state wasfound to self-assemble into nanowires in aqueous solution. The observedself-assembly is described by an isodesmic model, as shown bytemperature-dependent UV–vis investigations. Linear dichroism (LD)studies, combined with computational modeling using time-dependentdensity functional theory (TD-DFT), suggests that TANI-PTAB moleculesare ordered in an antiparallel arrangement within nanowires, with thelong axis of TANI-PTAB arranged perpendicular to the nanowire long axis.Addition of either <i>S</i>- or <i>R</i>- camphorsulfonic acid (CSA) toTANI-PTAB converted TANI to the emeraldine salt (ES), which retainedthe ability to form nanowires. Acid doping of TANI-PTAB had a profoundeffect on the nanowire morphology, as the CSA counterions’ chiralitytranslated into helical twisting of the nanowires, as observed bycircular dichroism (CD). Finally, the electrical conductivity ofCSA-doped helical nanowire thin films processed from aqueous solutionwas 2.7 mS cm<sup>–1</sup>. The conductivity, control overself-assembled 1D structure and water-solubility demonstrate thesematerials’ promise as processable and addressable functional materialsfor molecular electronics, redox-controlled materials and sensing.