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Nanodiamonds from coal under ambient conditions

Jun Xiao、P. Liu、Guokun Yang2015-01-01Nanoscale

Coal is the most abundant energy resource, but it is only useful for producing energy via combustion due to its structural characteristics. However, coal is also inexpensive and is the most plentiful and readily available carbon source material for the production of nanodiamonds compared with the most widely used soli…

Diamond and Carbon-based Materials ResearchLaser-induced spectroscopy and plasmaLaser-Ablation Synthesis of Nanoparticles

Deep-cryogenic-treatment-induced phase transformation in the Al-Zn-Mg-Cu alloy

Chunmei Li、Nanpu Cheng、Zhiqian Chen 等 5 位作者2015-01-01International Journal of Minerals Metallurgy and Materials

Abstract An aluminum alloy (Al-Zn-Mg-Cu) subjected to deep cryogenic treatment (DCT) was systematically investigated. The results show that a DCT-induced phase transformation varies the microstructures and affects the mechanical properties of the Al alloy. Both Guinier-Preston (GP) zones and a metastable η′ phase were…

Aluminum Alloy Microstructure PropertiesAluminum Alloys Composites PropertiesMetal Alloys Wear and Properties

Commercial potato protein concentrate as a novel source for thermoformed bio-based plastic films with unusual polymerisation and tensile properties

William R. Newson、Faiza Rasheed、Ramune Kuktaite 等 7 位作者2015-01-01RSC Advances

Films thermoformed from commercial potato protein concentrate exhibited a constant Young's modulus and increasing strain at break with increasing processing temperature, in contrast to the usually observed behaviour for protein-based materials.

Nanocomposite Films for Food PackagingNatural Fiber Reinforced CompositesAdditive Manufacturing and 3D Printing Technologies

Effect of CaZrO 3 on phase structure and electrical properties of KNN-based lead-free ceramics

Yang Zhang、Lingyu Li、Wangfeng Bai 等 6 位作者2015-01-01RSC Advances

(1 − <italic>x</italic> )[0.93(K <sub>0.5</sub> Na <sub>0.5</sub> )NbO <sub>3</sub> –0.07LiNbO <sub>3</sub> ]– <italic>x</italic> CaZrO <sub>3</sub> (KNN–LN– <italic>x</italic> CZ) lead-free piezoelectric ceramics have been prepared by the conventional solid state reaction method and investigated to differentiate the…

Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesMicrowave Dielectric Ceramics Synthesis

A facile approach to fabricate halloysite/metal nanocomposites with preformed and in situ synthesized metal nanoparticles: a comparative study of their enhanced catalytic activity

Sankar Das、Subhra Jana2015-01-01Dalton Transactions

A widespread study has been carried out by the researcher during the last few decades to improve the properties and performance of halloysite-based inorganic-organic hybrid nanocomposites (NCs) because of their excellent structural features and characteristic properties. Here, we report the fabrication of halloysite/m…

Clay minerals and soil interactionsIron oxide chemistry and applicationsLayered Double Hydroxides Synthesis and Applications

High solid-state luminescence in propeller-shaped AIE-active pyridine–ketoiminate–boron complexes

Yanping Wu、Zhenyu Li、Qingsong Liu 等 8 位作者2015-01-01Organic & Biomolecular Chemistry

Two pyridine-ketoiminate-based organoboron complexes (2 and 3) were developed. 2 and 3 showed very weak emission in low-viscosity organic solvents because of the intramolecular rotation induced non-radiative process. Their emission can be dramatically enhanced by the increase in solvent viscosity or by molecular aggre…

Organic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganoboron and organosilicon chemistry

Bio-functionalized dense-silica nanoparticles for MR/NIRF imaging of CD146 in gastric cancer

Pu Wang、Yazhuo Qu、Chuan Li 等 9 位作者2015-01-01International Journal of Nanomedicine

PURPOSE: Nano dense-silica (dSiO2) has many advantages such as adjustable core-shell structure, multiple drug delivery, and controllable release behavior. Improving the gastric tumor-specific targeting efficiency based on the development of various strategies is crucial for anti-cancer drug delivery systems. METHODS:…

Nanoparticle-Based Drug DeliveryCancer Cells and MetastasisNanoplatforms for cancer theranostics

Supercharged green fluorescent proteins as bimodal reporter genes for CEST MRI and optical imaging

Amnon Bar‐Shir、Yajie Liang、Kannie W. Y. Chan 等 5 位作者2015-01-01Chemical Communications

Superpositively charged mutants of green fluorescent protein (GFP) demonstrated a dramatically improved chemical exchange saturation transfer (CEST) MRI contrast compared to their wild type counterparts. The mutants +36 GFP and +48 GFP were successfully expressed in mammalian cells and retained part of their fluoresce…

Advanced Fluorescence Microscopy TechniquesLanthanide and Transition Metal ComplexesElectron Spin Resonance Studies

Electrochemical Dealloying of Bimetallic ORR Nanoparticle Catalysts at Constant Electrode Potentials

Stefan Rudi、Lin Gan、Chunhua Cui 等 5 位作者2015-01-01Journal of The Electrochemical Society

Dealloyed, that is, selectively leached Pt-based oxygen reduction reaction (ORR) nanoparticle catalysts have demonstrated previously unachieved initial reactivity and performance durability in single cell of PEM fuel cells. Dealloying is typically achieved using free corrosion in acid or electrochemical cycling. Here,…

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationNanoporous metals and alloys

Crystallization of FeOOH via iron salts: an anion-chemoaffinity controlled hydrolysis toward high performance inorganic pseudocapacitor materials

Mu Zhang、Kunfeng Chen、Xu Chen 等 6 位作者2015-01-01CrystEngComm

In this work, we designed a simple hydrolysis reaction to study the chemical roles of anions with different chemoaffinity abilities to iron ions on the crystallization of FeOOH. FeOOH products with different morphologies and sizes can be crystallized by using commercial iron salts such as FeSO4, FeCl2, FeCl3 and Fe(NO…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced battery technologies research

Facile colorimetric detection of nitrite based on anti-aggregation of gold nanoparticles

Yingjie Ye、Yi Guo、Yuan Yue 等 4 位作者2015-01-01Analytical Methods

A sensor for the facile colorimetric detection of nitrite using unmodified gold nanoparticles is developed on the basis of a specific diazo reaction between nitrite and 4-aminothiophenol.

Advanced biosensing and bioanalysis techniquesBiosensors and Analytical DetectionAdvanced Nanomaterials in Catalysis

Quantitative Study for Oxygen Reduction and Evolution in Aprotic Organic Electrolytes at Gas Diffusion Electrodes by DEMS

Christoph J. Bondue、Abdelaziz Abdellatif、P. Hegemann 等 4 位作者2015-01-01Journal of The Electrochemical Society

Cyclic voltammetry and differential electrochemical mass spectrometry (DEMS) have been combined to study the cycling performance of the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) at a gold electrode in non-aqueous dimethyl sulfoxide (DMSO) and N -methyl-2-pyrrolidone (NMP) based LiClO 4 an…

Advanced Battery Materials and TechnologiesConducting polymers and applicationsAdvanced battery technologies research

Controlling intermolecular aurophilicity in emissive dinuclear Au( i ) materials and their luminescent response to ammonia vapour

Ryan Roberts、Debbie Le、Daniel B. Leznoff2015-01-01Chemical Communications

The concept that hydrogen bonding cations can reduce the coulombic repulsion inherent to anionic gold species and thereby trigger aurophilicity is realized with three new photoluminescent compounds of the form [Q]2[Au2(i-mnt)2] (i-mnt = (CN)2C[double bond, length as m-dash]CS2(2-), Q = 3,5-dimethylpyrazolium, piperidi…

Metal-Organic Frameworks: Synthesis and ApplicationsOrganic and Molecular Conductors ResearchNanocluster Synthesis and Applications

Thermoelectric and electrical transport properties of Mg 2 Si multi-doped with Sb, Al and Zn

Jianbao Zhao、Zhenxian Liu、Joel W. Reid 等 8 位作者2015-01-01Journal of Materials Chemistry A

A maximum <italic>ZT</italic> of 0.964 was found for Sb0.5%Zn0.5% doped Mg <sub>2</sub> Si, which is comparable to those of PbTe based thermoelectric materials.

Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsHeusler alloys: electronic and magnetic properties