Materials Literature
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Multi-walled carbon nanotubes (MWCNTs) have been successfully modified with TiO2 nanoparticles via wet chemical method. For this purpose tetra chloride titanium (TiCl4) was used as titanium source. MWCNTs were exposed at different amount of TiCl4 (0.25 and 0.1 ml) and different soaking times. The modified MWCNTs have…
A simple microwave assisted protocol for the construction of maleimides from various anilines and dialkyl acetylene dicarboxylates has been demonstrated. The AIE property of one of the maleimide derivatives has been studied in detail. The maleimide is AIE-active, and its color, fluorescence efficiency, quantum yield a…
Nanoparticles formed via electrostatic interactions between methoxy-polyethylene glycol-block-poly(glutamic acid) (MPEG-PGA) and a multinuclear platinum(II) drug, di-cisPt, exhibit efficient platinum loading, improved cellular uptake, in vitro cytotoxicity, and enhanced in vivo efficacy.
A series of new chainlike polyoxometalate(POM)-based lanthanide (Ln) complexes, Na10[Ln6(H2O)x{As4W44(OH)2(proline)2O151}]·nH2O (Ln = Tb(III), x = 22 and n = 22 for 1; Ln = Dy(III), x = 22 and n = 25 for 2; Ln = Nd(III), x = 26 and n = 31 for 3) were isolated from a one-pot reaction system. In such a reaction system,…
A novel hybrid Li-ion capacitor has been constructed with a porous NiCo2O4 anode and an activated carbon cathode. The capacitor exhibits an ultrahigh working voltage of 4.5 V, good Ragone performance (39.4 W h Kg−1, 554 W Kg−1) and excellent cycling behavior (no energy loss after 2000 cycles).
Supported nano-alloys have been prepared using the sol-immobilisation method for two bimetallic combinations, namely gold-platinum and palladium-platinum, using activated carbon and titania as supports. Some of the materials were prepared using a method where both metals are simultaneously reduced, thereby leading to…
Nanostructured zinc oxide films were produced through anodization of zinc foil by using different electrolytes at different voltages, temperatures and over different time periods. The ZnO films were characterised by studying their surface morphology using FESEM, crystal structure using XRD, wetting behaviour through c…
Ferrocene was used as a catalyst in a hydrocarbon solution to carry out injection chemical vapour deposition (CVD) growth of carbon nanomaterials in a horizontal tube furnace. The presence and quality of various carbon materials was determined using Raman spectroscopy, thermogravimetric analysis, and electron microsco…
Lotus leaves are well known for their extremely water repellent surfaces. Marine mussels are also a popular research topic when considering biological adhesives. Both organisms have inspired the development of several biomimetic materials. Herein we describe a two-sided film made almost entirely from polystyrene onto…
Chitosan (CS) nanoparticles have several distinct intrinsic advantages; however, their in vivo colloidal stability in biological fluids was not fully explored especially when carrying proteins. The present study aimed to investigate their colloidal stability using an ex vivo physiological model of fetal bovine serum (…
Three novel one-dimensional (1D) lanthanide coordination complexes involving the 4-methyl-3-nitrobenzoic acid (HL) ligand, with the general formulae [Gd(L)3(H2O)(CH3OH)] (1), [Gd(L)3(H2O)2]·(4,4'-bpy)·CH3OH (2), [Dy(L)3(H2O)(CH3OH)] (3), have been synthesized by solvothermal reactions. These complexes have been struct…
We investigated the tracking potential of a magnetic resonance imaging (MRI) probe made of gadolinium-doped mesoporous silica MCM-41 (Gd(2)O(3)@MCM-41) nanoparticles for transplanted bone mesenchymal stem cells (MSCs) and neural stem cells (NSCs) in vivo. The nanoparticles, synthesized using a one-step synthetic metho…
The relationship between the surface segregation, boron poisoning and surface exchange coefficients of La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3−δ , (LSCF) cathodes of solid oxide fuel cells (SOFCs) is studied on dense bar samples using SEM, SIMS and conductivity relaxation method. The SEM results clearly indicate that the segr…
An efficient and facile method was designed to produce an acid–base bifunctional mesoporous silica nanoreactor (MS-SO3H@MS@MS-NH2) with acid sites on the inner core, unfunctionalized silica as the neutral zone shell and basic sites on the outer shell. Such acid core–neutral zone–base shell structure design resulted in…
The complexes [(tbta)Co(μ-CA(-2H))Co(tbta)(CH3CN)](BF4)2 1 and [(tbta)Co(μ-OH)2Co(tbta)](BF4)4 2 (tbta = tris[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]amine and CA = chloranilic acid) were synthesized and characterized by X-ray crystallography, SQUID magnetometry and NMR spectroscopy. The reactions to form these complex…
A simple but effective strategy was introduced to realize color tunability of a composite phosphor Y2SiO5:Ce/Y3Al5O12:Ce (YSO:Ce/YAG:Ce). The main idea was to use the cathodoluminescence of the YSO:Ce phosphor to additionally pump the photoluminescence of the YAG:Ce phosphor based on radiative energy transfer. Morphol…
Here we report a bis(2′-hydroxychalcone)beryllium complex Be(HC)2 that displays yellow fluorescence (λem = 557 nm; Φf = 0.10) in solution. Notably, the solution of this complex produces a non-emissive amorphous thin film (ACQ effect; fluorescent “OFF” state) but brightly emissive crystalline powders (AEE-active; fluor…
Bi-stable molecular systems presenting valence tautomerism are associated with the development of new functional materials, which can be used for applications in organic electric conductors, optoelectronic and molecular magnetic devices. The properties of these materials can be adjusted with slight chemical changes an…
In this work, we prepared large-area, three-dimensional interconnected graphene oxide (GNO) intercalated by self-doped polyaniline nanofibers (SPAN, a copolymer of aniline and m-aminobenzenesulfonic acid) through a simple adsorption and intercalation route via sonication of the mixed dispersions of both components. Th…
Polymer brushes consisting of micrometer-long poly(dodecyl methacrylate) (P12MA) chains can impart very low coefficients of friction to surfaces sliding in oil. Under harsh tribological conditions, however, this behavior can only be maintained for long periods of time in the presence of highly viscous fluids, which ap…