Materials Literature
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The KxWO3 nanosheets consisting of superfine nanowires were successfully synthesized in ambient air. The detailed electron microscopy and X-ray diffraction investigations imply that the nanosheets were obtained by self-assembly of the ordered nanowires with exposed {0110}H facets. The sheet morphology is closely relat…
Überhitzt: Die Umgebung magnetischer Nanopartikel kann durch ein Magnetfeld erhitzt werden. Polymer-beschichtete magnetische Nanopartikel wurden mit Einzelstrang-DNA funktionalisiert, die wiederum an unterschiedliche Fluorophor-modifizierte DNA gebunden wurde. Durch Korrelation des Denaturierungsprofils der DNA mit de…
A new family of manganese(iii) complexes of the type [Mn(L)Cl], where H2L is 1,4-bis(2-hydroxy-benzyl)-1,4-diazepane (), 1,4-bis(2-hydroxy-4-methylbenzyl)-1,4-diazepane (), 1,4-bis(2-hydroxy-3,5-dimethylbenzyl)-1,4-diazepane () and 1,4-bis(2-hydroxy-3,5-di-tert-butylbenzyl)-1,4-diazepane (), has been isolated and stud…
This paper reports for the first time the synthesis and application of miktoarm star copolymers to produce highly ordered honeycomb films using the breath figure technique. Miktoarm star copolymer containing a cross-linked core and two arm species, e.g., polystyrene and poly(t-butyl acrylate), is successfully synthesi…
Be our guest! Silicon clathrate with sodium guest atoms is studied as a potential anode material for lithium-ion batteries. An electrochemical, structural, and first-principles analysis is conducted to understand the phase changes occurring upon lithium insertion and removal from these cage-like silicon structures.
Supramolecular nanofibers (SNFs) composed of low-molecular-weight π-conjugated molecules exhibit attractive optical and electrical properties and are expected to be the next optoelectronic materials. In this work, five crystalline SNFs have been constructed from three dehydrobenzoannulene (DBA) derivatives. The DBAs w…
Liquid–liquid equilibrium (LLE) data for aqueous two-phase systems (ATPS) were discussed through experiment and correlation at 25 °C, in polymer–organic salt ATPS, alcohol–salt ATPS, and polymer–surfactant ATPS, respectively. Various binodal curves empirical equations combined with simple experiments were applied to d…
Nickel-silicon compounds, as most of the transition metal silicides, show peculiar thermodynamic and kinetic behaviours. The reason resides in the metastability of a rich variety of different phases, which are frequently favoured by the interaction with the substrate or by the limited amount of atoms available during…
Thermal oxides on 4H-SiC (0001) (Si-face) and (0001¯) (C-face) grown at 1100 °C were characterized by Fourier transform infrared spectroscopy attenuated total reflection method. For the films thicker than 5 nm on both faces, the structure of oxide was almost the same as that of the thermal oxide on silicon irrespectiv…
Thermoelectric transport in semiconductors is usually considered under small thermal gradients and when it is dominated by the role of the majority carriers. Not much is known about effects that arise under the large thermal gradients that can be established in high-temperature, small-scale electronic devices. Here, w…
The monoclinic and tetragonal phases of bismuth vanadate (BiVO4) have been found to exhibit significantly different photocatalytic activities for water splitting. To assess a possible surface effect on the phase-dependent behavior, we calculate and compare the geometries and electronic structures of the monoclinic and…
In the present investigation, aluminum metal-matrix composite (AMC) is developed using a novel in-situ ceramic composite, converted from waste colliery shale (CS) material by heat treating in a plasma reactor under neutral atmosphere. The developed AMC has shown improved mechanical properties as compared to Al-Al2O3 a…
The main challenges of fabricating diffraction gratings for use in earth monitoring spectrometers are given by the requirements for low stray light, high diffraction efficiency and a low polarization sensitivity. Furthermore the use in space also requires a high environmental stability of these gratings. We found that…
A novel bis(m-phenylene)-32-crown-10-based cryptand 1 with a pyridine nitrogen atom outside on the third arm was designed and synthesized. Subsequently, host-guest complexation between cryptand 1 and a selection of bipyridinium guests has been studied. More interestingly, the [3]pseudorotaxane 2 is a superset of 5(2)…
Hybrid p-n junction diode based on zinc oxide (ZnO) and metal phthalocyanine (MePc) has been demonstrated using highly conducting Al doped ZnO as transparent electrode. Three different MePcs: copper phthalocyanine, zinc phthalocyanine (ZnPc), and cobalt phthalocyanine are used as p-type layer in hybrid p-n junction. I…
Various energetic polynitro esters, carbamates, and nitrocarbamates that were derived from the amino acid glycine were fully characterized by single-crystal X-ray diffraction, vibrational spectroscopy (IR and Raman), multinuclear NMR spectroscopy, elemental analysis, and differential scanning calorimetry (DSC). Owing…
In this report, a novel hierarchical peapoded array with Co3O4 nanoparticles encapsulated in graphitized carbon fiber is introduced for the first time. The unique peapoded structure is suitable for the excellent anode in LIBs and demonstrates enhanced rate capability, cyclability and prolonged lifespan, e.g. the speci…
Randomly textured surfaces are nowadays routinely integrated into solar cells. Nonetheless, their performance is still not optimal. This became obvious while comparing their performance to optimized surfaces. Thus far, however, these optimized surfaces suffer from being either impossible to implement or only with expe…
Exciton delocalization has been proposed to have a strong impact on the performance of organic solar cells. For example, large exciton delocalization estimates have promoted the theory of long-range charge transfer as a mechanism for efficient charge separation. Here, two new computational modeling techniques for anal…
A new type of 3D "strongly" self-catenated metal-organic framework (SDU-9) has been constructed from [Cu2(COO)4] paddlewheel secondary building units and a tripodal carboxylate linker. SDU-9 ([Cu6(H2O)6L4]·24H2O, where [H3L = 4,4',4"-(hydroxysilanetriyl)tris(triphenyl-4-carboxylic acid), represents a rare example of a…