Materials Literature
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Graphene, an extraordinary allotropy of carbon, the 2D nanosheet, have been synthesized through exfoliation of graphite in ortho dichloro benzene by sonication. The morphological changes in different interval of sonication have been investigated by Scanning Electron Microscopy (SEM) andTransmission Electron Microscopy…
Polymer surfaces comprising nanopillars with various geometries were prepared by nanoimprinting the surface using anodic aluminium oxide templates. In particular, a simple fabrication method for long-neck vase-like stepped nanopillars was established, and the surface showed considerable enhancement in the water contac…
Supramolecular polymer nanocomposites represent an attractive alternative to traditional polymers for advanced materials that exhibit stimuli-responsive and self-healing properties. Here, we investigate the effects of specific hydrogen bonding interactions between surface functionalized silica nanoparticles and ureido…
Biomolecule detection using quantum dots (Qdots), nanometer-sized semiconductor crystals, effectively addresses the limitations associated with conventional optical and biochemical techniques, as Qdots offer several key advantages over traditional fluorophores. In this minireview, we discuss the role of Qdots as a cen…
A novel technique for the position-controlled growth of ZnO nanorods is established, by combining ultraviolet-assisted nanoimprint lithography (UV-NIL) and hydrothermal growth. Various ZnO nanorod arrays were obtained on silicon substrates, by UV-NIL of ZnO seed patterns with lines of 200 nm wide at a pitch of 1000 nm…
In this paper, we have developed a facile and general strategy to enhance the stability of multilayers incorporating nanoparticles and the weak polyelectrolyte poly(allylamine hydrochloride) (PAH). Using Fe3O4 nanoparticles (Fe3O4 NPs) and Au nanoparticles (Au NPs) as separate model systems, after multilayers of nanop…
An anti-galvanic replacement reaction (AGRR) of copper(II) ions reduced by ultra-small ssDNA-templated silver nanoclusters forming Ag-Cu alloy nanoparticles was observed. The reaction is against the classic galvanic theory and was monitored sensitively by the light-scattering technique.
Novel hierarchical heterostructures of double-sided ZnO nanorod (NR) arrays grown on single-crystal Ag holed microdisks (HMDs) have been prepared through a two-step aqueous strategy including ZnO seed loading and the subsequent heteroepitaxial growth of ZnO NRs on Ag HMDs. By simply adjusting the synthetic parameters,…
Layered magnesium–aluminum hydrotalcite (HT) were completely intercalated and stabilized with silicate anions. The silicate anion-stabilized HT retained the layered structure and possessed a high surface area of 530–540 m2 g−1 with needle-like particles 60 nm × 4 nm in dimension. The findings of FT-IR, powder XRD, TGA…
We have developed a simple and useful process for fabricating nanodiamond (ND) particles modified with an organogadolinium moiety by chemical modification for their use as a magnetic resonance imaging (MRI) contrast agent. The introduction of the organogadolinium moiety on the surface of the ND particles was performed…
A new thiogermanate–thioantimonate, namely, [AEPH2][GeSb2S6]·CH3OH (1) (AEP = N-(2-aminoethyl)piperazine) has been solvothermally synthesized, whose structure features a one-dimensional anionic ribbon of [GeSb2S6]n2n− built of the firstly observed tetranuclear {GeSb3S11} cluster as secondary building unit. The photoca…
Nanocrystalline Mn-substituted lithium ferrites were synthesized by sol–gel method. The structural data show that, the cubic phase was converted into tetragonal phase observed by XRD analysis. X-ray photoelectron spectroscopy has been used to characterize valence state of materials and the composition of the products.…
An amino-trisulfonate tetraphenylporphyrin was conjugated to carboxylate cellulose nanocrystals giving rise to a new nanomaterial with interesting binding properties.
Activated layered manganese oxides with deposited nano-sized gold or silver were synthesized and characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectrometry, atomic absorption spectroscopy and energy-dispersive X-ray mapping. Here, we report that Au or Ag nanoparticl…
LiH is a highly stable light metal hydride with a hydrogen capacity of 12.5 wt%. However, having a dehydrogenation enthalpy, ΔH(dehy), of 181.2 kJ mol(-1)(H2) and a resultant T(1 bar) of 944 °C, it is not a practical hydride for most hydrogen storage applications. In the work presented here, germanium has been found t…
In this paper, firstly, we systematically explain the deformation mechanism of the high impact polystyrene (HIPS) via pressure-induced-flow (PIF) processing. As indicated by TEM, AFM and SAXS, we find that a single salami domain is intensively deformed into a disk-like shape, and rubber-disk domains form parallel and…
A new organo-inorganic hybrid electrochromic material poly(cyclotriphosphazene-4,4′-bipyridinium)chloride salt was synthesized wherein each phosphorus atom in the triphosphazene core is linked by diquaternized 4,4′-bipyridyls (PPBP). The electrochrome was characterized by 31P nuclear magnetic resonance, Fourier transf…
Janus hollow spheres, with different compositions compartmentalized onto both interior and exterior surfaces of the same shell and P25 nanoparticles encapsulated in the cavities, are synthesized by the ultrasonic spray method to selectively enrich desired reagents in a confined environment for further reaction.
Reaction of (NBu3H)3[W(CN)8]·H2O and linear trinuclear complexes [Cu(II)2L2Ln(III)(NO3)3] (L = 2,6-di(acetoacetyl)pyridine, Ln = Eu (1), Gd (2), Tb (3) and Dy (4)) leads to the formation of four one-dimensional (1D) complexes. Single crystal X-ray analysis reveals that [W(CN)8](3-) bridges between the [Cu(II)2L2Ln(III…
Polyurethane nanoparticles (NPs) are promising candidates for the controlled and targeted delivery of therapeutics in a variety of biomedical applications. In this work, a report is made of NPs produced by miniemulsion polymerization with isophorone diisocyanate (IPDI) and castor oil, glycerol, and poly(ethylene glyco…