Materials Literature
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In this work, we reported a facile chemical passivation strategy for a ZnO mesoporous photoelectrode to improve the performance of a CdS/CdSe quantum dot co-sensitized solar cell (QDSC). The QDSC exhibited a record power conversion efficiency of 4.68%.
The fabrication of tissue engineering scaffolds necessitates amalgamation of a multitude of attributes including a desirable porosity to encourage vascular invasion, desired surface chemistry for controlled deposition of calcium phosphate-based mineral as well as ability to support attachment, proliferation, and diffe…
This communication describes the design and synthesis of anti-sintering and -coke nickel phyllosilicate (PS) nanotubes (Ni/PSn) for hydrogen production via reforming reactions. The introduction of nickel particles in PS nanotubes could effectively maintain the Ni size and increase the resistance of metal particles for…
Hierarchical tantalum-based oxide and (oxy)nitride with hollow urchin-like nanostructures have been synthesized for the first time by an in situ self-assembly wet-chemical route in addition with post-thermal nitridation. Notably, a single-phase metastable γ-TaON with hollow urchin-like spheres among the tantalum (oxy)…
We demonstrate that nanometer-scale TiN coatings deposited by atomic layer deposition (ALD), and to a lesser extent by magnetron sputtering, will significantly improve the electrochemical cycling performance of silicon nanowire lithium-ion battery (LIB) anodes. A 5 nm thick ALD coating resulted in optimum cycling capa…
By means of selected examples taken from the zeolite and zeotype academic literature, the influence of binders and matrix components upon the performance of heterogeneous catalysts is illustrated. Such effects can be significant, showing that the binders and matrices are far from inert components in many systems and t…
OBJECTIVE: To synthesize silver nanoparticles by amla extract, screen the cytotoxic, oxidative stress and apoptotic effect of silver nanoparticles (AgNPs) on Hep2 cell line (laryngeal carcinoma cells) in vitro, and to compare the effect of Phyllanthus emblica (P. emblica) (amla) with AgNPs synthesized by amla and 5-FU…
Carbon-coated hematite nanostructures for solar water splitting were prepared by a simple pyrolysis of ferrocene which showed a remarkable photocurrent of 2.1 mA cm−2 at 1.23 V vs. RHE, compared to a value of 0.5 mA cm−2 for hematite without the carbon layer. The carbon layer is a few nm thick covering the surface of…
Polymersomes are latest entry to the drug carrier systems and have proven their utility to deliver therapeutic agents to specific tissues/organs due to their versatile polymeric architectures and self-assembly of polymeric chains into vesicular containers of therapeutic agents. Recent research has focused on the devel…
A facile method has been demonstrated for the preparation of PdCu nanoparticles (NPs) with various morphologies from Pd2+ and Cu2+ reduced by ascorbate in the presence of dodecyltrimethylammonium chloride (DTAC) at 95 °C. We have found that DTAC is important to assist the growth of PdCu with high-energy surfaces throu…
Autogenous bone grafting remains a gold standard for the reconstruction critical-sized bone defects in the craniomaxillofacial region. Nevertheless, this graft procedure has several disadvantages such as restricted availability, donor-site morbidity, and limitations in regard to fully restoring the complicated three-d…
Novel graphene oxide (GO) tethered Cu(II) and Co(II) salen complexes [M–Salen–GO (M = Cu, Co)] were synthesized via a stepwise procedure and examined as catalysts in the epoxidation of styrene. Acetonitrile was used as a solvent and air as the oxidant in combination with a sacrificial co-reductant isobutyraldehyde. A…
Some racemates including alcohol, ketone, flavone, phenol, base, and amide racemates etc. were successfully separated by using a 3D chiral nanoporous metal-organic framework (MOF) as a new chiral stationary phase in HPLC. The experimental results show that the chiral MOF possesses excellent recognition ability for var…
Highly dispersed Au nanoparticles have been immobilized on the Zr(IV)-based metal–organic framework UIO-66 via a simple one-step chemical wetting method, in which oleylamine used as both a reducing and a stabilizing agent with HAuCl4 as the gold precursor is introduced to embed Au nanoparticles into the framework. The…
A large-area high-density nanoscale Lycurgus cup array is created with 100 times better sensitivity than any other reported nanoplasmonic device. With this device, nanoplasmonic spectroscopy sensing, for the first time, becomes colorimetric sensing requiring only the naked eye or ordinary visible color photography.
A functionalized plasmonic Au/TiO2 photocatalyst with an Ag co-catalyst was successfully prepared by the combination of two types of photodeposition methods, and it quantitatively converted nitrobenzene and 2-propanol to aniline and acetone under irradiation of visible light.
We report a series of solution-processable, small-molecule, donor materials based on an architecture consisting of two diketopyrrolopyrrole (DPP) cores with different aromatic π-bridges between the DPP units and different end-capping groups. In general, this architecture leads to desirable light absorption and electro…
A novel metal-organic framework [Cd3(CPEIP)2(DMF)3]·solvent (1) based on a neutral non-oxo triangular [Cd3(COO)6] secondary building unit (SBU), was synthesized under solvothermal conditions by using a rigid unsymmetrical tricarboxylate ligand 5-((4-carboxyphenyl)ethynyl)isophthalic acid (H3CPEIP). Single-crystal X-ra…
Blindness is a major health concern worldwide that has a powerful impact on afflicted individuals and their families, and is associated with enormous socio-economical consequences. The Middle East is heavily impacted by blindness, and the problem there is augmented by an increasing incidence of diabetes in the populat…
Tapioca is economical crop grown in Thailand and continues to be one of the major sources of starch. Nowadays, tapioca starch has been widely used in industrial applications, however the native form of starch has limited the applications. Thus scientists try to modify the properties of starch for increasing the stabil…