Mercaptophosphonic acids as efficient linkers in quantum dot sensitized solar cells
New mercaptophosphonic linkers are presented for the attachment of ternary quantum dots to ZnO and TiO2 for photovoltaic applications.
Materials Literature
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Towards a better understanding of honeycomb alternating magnetic networks
Two new two-dimensional homometallic compounds {[M2(bpm)(ox)2]n·5nH2O} with M = Co(II) (1) and Zn(II) (2) and the mononuclear nickel(II) complex [Ni(bpm)2(ox)]·2H2O (3) [bpm = 2,2'-bipyrimidine and ox = oxalate] have been prepared and structurally characterized. 1 and 2 are isostructural compounds whose structures are…
Scaling of correlation length in lamellae forming PS-b-PMMA thin films upon high temperature rapid thermal treatments
Highly ordered lamellar grains were produced by thermal treatment of the samples in a rapid thermal processing machine. The processing parameters that maximize the lateral order avoiding any degradation of the macromolecules were identified.
In situ thermal synthesis of novel polyimide nanocomposite films containing organo-modified layered double hydroxide: morphological, thermal and mechanical properties
An organic–inorganic hybrid compound comprised of a Zn/Al layered double hydroxide (LDH) intercalated with citric acid (LDH–CA) was dispersed in polyimide (PI) with an <italic>N</italic> -benzonitrile side group, through <italic>in situ</italic> polymerization.
Controlled growth of in situ silica in a NR/CR blend by a solution sol–gel method and the studies of its composite properties
Controlled loading of <italic>in situ</italic> silica in NR/CR blend by solution sol–gel method for enhancing the reinforcement.
Largely improved fracture toughness of an immiscible poly( l -lactide)/ethylene-co-vinyl acetate blend achieved by adding carbon nanotubes
Through the bridging effect of CNTs, the fracture toughness of the immiscible PLLA/EVA blend was greatly improved.
Synthesis of ZnO nanorods on a flexible Phynox alloy substrate: influence of growth temperature on their properties
A novel flexible alloy substrate (Phynox, 50 μm thick) was used for the synthesis of zinc oxide (ZnO) nanorods <italic>via</italic> a low-temperature solution growth method.
Anti-Fouling Control of Plug-Flow Crystallization via Heating and Cooling Cycle
Plug-flow crystallization (PFC) is a promising continuous pharmaceutical crystallization process but is prone to fouling due to uncontrolled crystallization on the reactor surface (encrustation). This results in operational issues such as (1) flow blockage, (2) increased thermal resistance, and (3) reduced supersatura…
Mechanical degradation of graphene by epoxidation: insights from first-principles calculations
Oxidation is a major cause for the degradation of materials including graphene, where epoxidation (forming the C-O-C bond) is very common. In addition, graphene oxide, in which the epoxy group is one of the two major functional groups (the other is hydroxy), is an important precursor material used for the bulk synthes…
A study on tunable AIE (AIEE) of boron ketoiminate-based conjugated polymers for live cell imaging
In this study, four boron ketoiminate-based conjugated polymers <bold>P1–P4</bold> are designed and synthesized <italic>via</italic> Suzuki polymerization.
Light-harvesting antennae based on photoactive silicon nanocrystals functionalized with porphyrin chromophores
Silicon nanocrystals functionalized with tetraphenylporphyrin Zn(II) chromophores at the periphery perform as light harvesting antennae: excitation of the porphyrin units in the visible spectral region yields sensitized emission of the silicon nanocrystal core in the near infrared with a long lifetime (λ(max) = 905 nm…
Incompletely condensed POSS-based spin-on-glass networks for impeccable ultra low-k integration
The integration reliability of mechanically robust, ultra low- <italic>k</italic> spin-on-glass poly(methyl)silsesquioxanes incorporating incompletely condensed methyl-POSS were examined for next generation microelectronics.
A facile method to control the structure and morphology of α-calcium sulfate hemihydrate
Synergy effect of CaCl <sub>2</sub> and Na <sub>2</sub> EDTA on the structure and morphology control of α-HH by regulating G/W.
Nonlinear optical chromophores based on Dewar's rules: enhancement of electro-optic activity by introducing heteroatoms into the donor or bridge
In this work, we investigated the enhancement of the electro-optic response by introducing electron-rich heteroatoms as additional donors into the donor or bridge of a conventional second-order nonlinear optical chromophore. A series of chromophores C2-C4 based on the same tricyanofuran acceptor (TCF) but with differe…
Open-shell doublet character in a hexaazatrinaphthylene trianion complex
Three-electron reduction of hexaazatrinaphthylene (HAN) with a magnesium(I) reagent leads to [(HAN){Mg(nacnac)}3] (1), containing a [HAN](3-) ligand with a spin of S = 1/2. Ab initio calculations reveal that the [HAN](3-) ligand in 1 has a ground-state wave function with multiconfigurational properties, and can be des…
A new perspective on the process of intrinsic point defects in α-Al 2 O 3
First-principles plane-wave pseudopotential calculations have been performed to study the charge states and energetics of intrinsic point defects as vacancies, interstitials and antisite atoms in α-Al2O3, and thus a new perspective on the process of intrinsic point defects has been proposed. Considering the various ch…
Effect of donor doping in B sites on the electrocaloric effect of BaTi 1−x Nb x O 3 ceramics
The donor doping of Nb <sup>5+</sup> for Ti <sup>4+</sup> in the B sites of BaTiO <sub>3</sub> rapidly shifts the ferroelectric phase transition to a lower temperature and diffuses it, so that the electrocaloric Δ <italic>T</italic> <sub>max</sub> gradually reduces and the temperature window becomes much wider.
Structural and Optical Investigation of ZnO Nanopowders Synthesized from Zinc Chloride and Zinc Nitrate
ZnO Nanopowders were synthesized from Zinc Chloride and Zinc Nitrate by Co-precipitation Method. The synthesized ZnO nanopowders were further characterized using X Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Fourier Transform Infrared (FTIR) Spectroscopy. The Structure, Morphology and Optical propert…
Soft Errors : from particles to circuits
<![CDATA[<P>"<B>Soft Errors: From Particles to Circuits</B> covers all aspects of the design, use, application, performance, and testing of parts, devices, and systems and addresses every perspective from an engineering, scientific, or physical point of view. … Many good texts have been written on…
Multivalent manganese complex decorated amphiphilic dextran micelles as sensitive MRI probes
Manganese complex decorated amphiphilic dextran micelles were prepared and have a high <italic>T</italic> <sub>1</sub> relaxivity in MRI.