507 Result(s)
within
**an Zheng
Materials Science
Nanoscale Science and Technology
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Article
Open AccessMicrowave assisted low temperature synthesis of MnZn ferrite nanoparticles
MnZnFe2O4ferrite nanoparticles were prepared by co-precipitation method using a microwave heating system at temperature of 100 °C. X-ray diffraction reveals the samples as prepared are pure ferrite nanocrystallin...
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Article
Open AccessDouble Rashba Quantum Dots Ring as a Spin Filter
We theoretically propose a double quantum dots (QDs) ring to filter the electron spin that works due to the Rashba spin–orbit interaction (RSOI) existing inside the QDs, the spin-dependent inter-dot tunneling ...
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Article
Open AccessIonic Liquid-assisted Synthesis of Polyaniline/Gold Nanocomposite and Its Biocatalytic Application
In this report, a novel chemical synthesis of polyaniline/gold nanocomposite is explored using ionic liquid (IL) 1-Butyl-3-methylimidazolium hexafluorophosphate. The direct chemical synthesis of polyaniline/go...
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Article
Synthesis and electrochemical properties of Li[Ni x Co y Mn1−x−y ]O2(x, y = 2/8, 3/8) cathode materials for lithium ion batteries
The uniform layered Li(Ni2/8Co3/8Mn3/8)O2, Li(Ni3/8Co2/8Mn3/8)O2, and Li(Ni3/8Co3/8Mn2/8)O2 cathode materials for lithium ion batteries were prepared using the hydroxide co-precipitation method. The effects of ca...
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Article
Tribological properties of TiAlN-coated cermets
Ti(C,N)-based cermets were coated with TiAlN using multi-arc ion plating technology. Sliding wear tests were performed on the coated cermets. The microstructure and morphologies of the coated cermets before an...
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Article
Preparation and microstructure characterization of a nano-sized Ti4+-doped AgSnO2 electrical contact material
A Ti4+-doped nano-structured AgSnO2 material was prepared using sol-gel method and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The res...
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Article
Open AccessAdvances and Prospect of Nanotechnology in Stem Cells
In recent years, stem cell nanotechnology has emerged as a new exciting field. Theoretical and experimental studies of interaction between nanomaterials or nanostructures and stem cells have made great advance...
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Open AccessModulation of Transmission Spectra of Anodized Alumina Membrane Distributed Bragg Reflector by Controlling Anodization Temperature
We have successfully prepared anodized alumina membrane distributed Bragg reflector (DBR) using electrochemical anodization method. The transmission peak of this distributed Bragg reflector could be easily and...
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Article
Effect of mixed rare earth oxides and CaCO3 modification on the microstructure of an in-situ Mg2Si/Al-Si composite
The effects of mixed rare earth oxides and CaCO3 on the microstructure of an in-situ Mg2Si/Al-Si hypereutectic alloy composite were investigated by optical microscope, scanning electron microscope, and energy dis...
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Open AccessA Novel Approach to Molecular Recognition Surface of Magnetic Nanoparticles Based on Host–Guest Effect
A novel route has been developed to prepared β-cyclodextrin (β-CD) functionalized magnetic nanoparticles (MNPs). The MNPs were first modified with monotosyl-poly(ethylene glycol) (PEG) silane and then tosyl un...
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Article
Open AccessWater-Driven Assembly of Laser Ablation-Induced Au Condensates as Mesomorphic Nano- and Micro-Tubes
Reddish Au condensates, predominant atom clusters and minor amount of multiply twinned particles and fcc nanoparticles with internal compressive stress, were produced by pulsed laser ablation on gold target in...
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Article
Open AccessEnhanced Field Emission from Argon Plasma-Treated Ultra-sharp α-Fe2O3Nanoflakes
Hematite nanoflakes have been synthesized by a simple heat oxide method and further treated by Argon plasmas. The effects of Argon plasma on the morphology and crystal structures of nanoflakes were investigate...
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Article
Open AccessStructural Characterization of Mesoporous Silica Nanofibers Synthesized Within Porous Alumina Membranes
Mesoporous silica nanofibers were synthesized within the pores of the anodic aluminum oxide template using a simple sol–gel method. Transmission electron microscopy investigation indicated that the concentrati...
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Article
Cr do** effect in B-site of La0.75Sr0.25MnO3 on its phase stability and performance as an SOFC anode
La0.75Sr0.25Cr y Mn1−y O3 (LSCM) (y = 0.0–0.6) composite oxides were synthesized by a complexing process of combining ethylene diamine tetraacetic acid (E...
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Article
Open AccessSynthesis of Novel Flower-Like Zn(OH)F via a Microwave-Assisted Ionic Liquid Route and Transformation into Nanoporous ZnO by Heat Treatment
Zinc hydroxide fluoride (Zn(OH)F) with novel flower-like morphology has been prepared via a microwave-assisted ionic liquid route. The flower-like Zn(OH)F particle has six petals and every petal is composed of...
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Article
Open AccessA Novel Docetaxel-Loaded Poly (ε-Caprolactone)/Pluronic F68 Nanoparticle Overcoming Multidrug Resistance for Breast Cancer Treatment
Multidrug resistance (MDR) in tumor cells is a significant obstacle to the success of chemotherapy in many cancers. The purpose of this research is to test the possibility of docetaxel-loaded poly (ε-caprolact...
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Open AccessInteraction Between Nano-Anatase TiO2 and Liver DNA from Mice In Vivo
Nano-TiO2 was shown to cause various toxic effects in both rats and mice; however, the molecular mechanism by which TiO2 exerts its toxicity is poorly understood. In this report, an interaction of nano-anatase Ti...
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Open AccessTemplate Synthesis of Three-Dimensional Cubic Ordered Mesoporous Carbon With Tunable Pore Sizes
Three-dimensional cubic ordered mesoporous carbons with tunable pore sizes have been synthesized by using cubic Ia3d mesoporous KIT-6 silica as the hard template and boric acid as the pore expanding agent. The pr...
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Article
Open AccessOne-Step Synthesis of Monodisperse In-Doped ZnO Nanocrystals
A method for the synthesis of high quality indium-doped zinc oxide (In-doped ZnO) nanocrystals was developed using a one-step ester elimination reaction based on alcoholysis of metal carboxylate salts. The res...
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Open AccessNonstoichiometric Titanium Oxides via Pulsed Laser Ablation in Water
Titanium oxide compounds TiO,Ti2O3, and TiO2 with a considerable extent of nonstoichiometry were fabricated by pulsed laser ablation in water and characterized by X-ray/electron diffraction, X-ray photoelectron s...
