Materials Literature
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Well-aligned Zn2GeO4 nanorod bundles were successfully prepared via a facile microwave-assisted solution-phase approach. The phase and morphology of the product were characterized by powder X-ray diffraction (XRD), energy dispersive spectrometry (EDS), selected area electron diffraction (SAED), high resolution transmi…
The hydrothermal crystallization of hierarchical Bi₂WO₆ nanostructures has been monitored with in situ energy-dispersive X-ray diffraction (EDXRD). The kinetic data analysis according to the Avrami-Erofe'ev model suggests that the formation of nanostructured Bi₂(2)WO₆ is diffusion controlled with Avrami exponents arou…
Pd/Al(2)O(3) catalysts showed an oscillatory behaviour during the catalytic partial oxidation (CPO) of methane, which was investigated simultaneously by IR-thermography, X-ray absorption spectroscopy, and online mass-spectrometry to correlate the temperature, state of the catalyst and catalytic performance. The follow…
This article reports the interaction between cysteine-functionalised organogelators and gold nanoparticles. It is clearly demonstrated by transmission electron microscopy that for these gelators, where S–Au interactions can form, the nanoparticles align directly on top of, inside, and along the gel fibres. On the othe…
Ferroelectrics with perovskite structure (ABO3), for example, lead titanate (PbTiO3), are the most studied ferroelectric oxides because of their versatile properties for use in thin film capacitors, electronic transducers, actuators, high-k dielectrics, pyroelectric sensors, and nonlinear optics. The studies on nanost…
Four new isopolymolybdate compounds based on two kinds of isomers, [Cu(I)(2)bte][a-Mo(3)O(10)] (1), [Cu(I)(2)btp][b-Mo(3)O(10)].H(2)O (2), [Cu(II)(bte)(1.5)(H(2)O)][gamma-Mo(8)O(26)](0.5) (3) and [Cu(II)(btp)(2)(H(2)O)][beta-Mo(8)O(26)](0.5).2H(2)O (4) [bte = 1,2-bis(1,2,4-triazol-1-yl)ethane, btp = 1,3-bis(1,2,4-tria…
Herein we report a general synthesis strategy for metallic nanocrystals in a two-phase liquid-liquid system, which involves a quite fast nucleation stage overlapped with the growth stage within 10 min.
Superparamagnetic fluorescent nanocomposites based on doped lanthanide phosphate and magnetite nanoparticles are accessible through a facile one-pot method. The bifunctional nanocomposites adopt a koosh ball structure with both fluorescent and superparamagnetic properties for individual components maintained in the fi…
Droplet-like Fermi surfaces in the anti-ferromagnetic phase of EuFe2As2, an Fe-pnictide superconductor parent compound, de Jong, S., van Heumen, E., Thirupathaiah, S., Huisman, R., Massee, F., Goedkoop, J. B., Ovsyannikov, R., Fink, J., Dürr, H. A., Gloskovskii, A., Jeevan, H. S., Gegenwart, P., Erb, A., Patthey, L.,…
Aluminium hydride is a compound that is well known for its high gravimetric and volumetric hydrogen densities and favorable hydrogen storage properties. Tertiary amine–aluminium hydride complexes have gained interest due to their application as chemical reducing agents and in aluminium thin-film deposition. Various co…
In this study the electrochemically active region of oxygen incorporation into yttria stabilized zirconia (YSZ) was visualized by means of (18)O tracer incorporation experiments on dense Pt thin film microelectrodes combined with ToF-SIMS analysis. The localization and the shape of the incorporation zone were found to…
We describe an enzyme-driven dynamic supramolecular peptide system which displays multiple reversible pathways, giving rise to emergent properties that are dictated by environmental conditions and that can be locked in a gel-state.
A new ammine complex, Li2B12H12·7NH3, that can reversibly release all the NH3 at below 200 °C and reabsorb NH3 at room temperature and 0.5 bar was synthesized and investigated for reversible ammonia storage or indirect hydrogen storage.
We report a facile and highly-controlled approach to fabricating freestanding upconversion multilayer thin films containing homogeneously distributed lanthanide-doped nanocrystals. Citrate-coated NaYF4:17%Yb, 3%Er nanocrystals were synthesized using a single-phase high-boiling-point-solvent method, followed by ligand…
In this work, a new thermal stimuli sensitive multiphase polymer system consisting of a bio-related mixture of poly(lactic acid) (PLA, 85 wt%) and poly(1,4-butylene succinate) (PBS, 15 wt%) was prepared by the controlled incorporation of moderate amounts (<0.2 wt%) of 4,4′-bis(2-benzoxazolyl)stilbene (BBS, a food-grad…
A facile scalable two-step approach based on a low-temperature aqueous electrodeposition and a solid-state crystal phase transformation process was developed to grow rhombus-shaped ZnO nanorod arrays which showed markedly improved hydrogen storage capacity.
Here we present the concept of metallophilic hydrogels, supramolecular systems in which the gelator species are metal-thiolates that self-assemble through metallophilic attractions. The principle is applied for a small drug, the mucolytic agent N-acetyl-l-cysteine (NAC), which readily forms hydrogels in the presence o…
A series of ZnO three-dimensional (3D) structures, including flower-like, star-like, sphere-like and sea urchin-like morphologies, have been fabricated by a hydrothermal method without any catalyst or template. The morphologies of these ZnO structures can be conveniently controlled, by selecting the reactants and cont…
The effect of the carbon source on the optimization of the photoluminescence (PL) performance of boron carbon oxynitride (BCNO) phosphor particles was systematically investigated. Ethylene glycol, tetraethylene glycol (TEG), and poly(ethylene glycol) of various Mw values were used as the organic sources. When TEG was…
This tutorial review discusses the contradictory material properties of electrical conductivity and optical transparency for the examples of graphene films and carbon nanotube networks. It is argued that for homogeneous films both properties are linked by basic laws of physics and that for perfect monoatomic layers co…