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One-step synthesis of IrO x -decorated ultrathin NiFe LDH nanosheets for efficient oxygen evolution reaction

Depei Liu、Yu Du、Taozhu Li 等 12 位作者2020-01-01Chemical Communications

The oxygen evolution reaction (OER) is a vital proton donor for various clean energy technologies. Here, we synthesized IrOx-decorated ultrathin NiFe-LDH nanosheets (thickness 1-2 nm) by a one-step co-precipitation method. The IrOx was uniformly dispersed on the surface of ultrathin NiFe-LDH nanosheets, greatly increa…

Electrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesLayered Double Hydroxides Synthesis and Applications

Design of nickel cobalt molybdate regulated by boronizing for high-performance supercapacitor applications

Gang Zhao、Yumeng Chen、Pengxiao Sun 等 8 位作者2020-01-01Nanoscale

Here, we have successfully synthesized hierarchical structure by boronizing Ni x Co y MoO 4 nanosheets. Benefitting from the synergistic effect among Ni 3 B, Ni(BO 2 ) 2 and Ni x Co y MoO 4 in hybrid architectures, the electrode material possesses higher energy storage performance.

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationHydrogen Storage and Materials

Recent advances in supramolecular block copolymers for biomedical applications

Wumaier Yasen、Ruijiao Dong、Aliya Aini 等 4 位作者2020-01-01Journal of Materials Chemistry B

Supramolecular block copolymers (SBCs) have received considerable interest in polymer chemistry, materials science, biomedical engineering and nanotechnology owing to their unique structural and functional advantages, such as low cytotoxicity, outstanding biodegradability, smart environmental responsiveness, and so fo…

Advanced Polymer Synthesis and CharacterizationSupramolecular Chemistry and ComplexesSupramolecular Self-Assembly in Materials

Preparing 3D-printable silk fibroin hydrogels with robustness by a two-step crosslinking method

Dafei Gong、Qinrui Lin、Zhengzhong Shao 等 5 位作者2020-01-01RSC Advances

Regenerated silk fibroin (RSF) features excellent biocompatibility and high-strength mechanical properties. However, traditional RSF-based materials can hardly be applied in 3D printing, which has shown great potential in producing artificial implants. In this work, we report a 3D printable RSF hydrogel formed by a we…

Additive Manufacturing and 3D Printing Technologies3D Printing in Biomedical ResearchSilk-based biomaterials and applications

A systematic study on the discrepancy of fluorescence properties between in solutions and in cells: super-bright, environment-insensitive benzocoumarin dyes

Ye Jin Reo、Yong Woong Jun、Seo Won Cho 等 16 位作者2020-01-01Chemical Communications

The benzocoumarin dyes fluoresce negligibly in aqueous media but very strongly in cells, whereas representative conventional dyes display contrasting behaviour; the distinct emission behaviour of the fluorophores in organic solutions, in aqueous media, and in cell convinces the uniqueness of the cellular environment.…

Molecular Sensors and Ion DetectionAdvanced Fluorescence Microscopy TechniquesPhotochromic and Fluorescence Chemistry

Cathodic electrogenerated chemiluminescence of tris(2,2′-bipyridine)ruthenium( ii ) and peroxydisulfate at pure Ti 3 C 2 T x MXene electrodes

Jizhen Zhang、Emily Kerr、Ken Aldren S. Usman 等 7 位作者2020-01-01Chemical Communications

Two-dimensional transition metal carbide (Ti 3 C 2 T x MXene) film as a novel electrode material for electrogenerated chemiluminescence of tris(2,2′-bipyridine)ruthenium( ii ) and peroxydisulfate.

Advanced Photocatalysis Techniques2D Materials and ApplicationsMXene and MAX Phase Materials

Titanium Dioxide Nanoparticles Promote Root Growth by Interfering with Auxin Pathways in Arabidopsis thaliana

Jiali Wei、Ying Zou、Ping Li 等 4 位作者2020-01-01Phyton

TiO2 nanoparticles (nano-TiO2) are widely used in the world, and a considerable amount of nano-TiO2 is released into the environment, with toxic effects on organisms. In the various species of higher plants, growth, including seed germination, root elongation, and biomass accumulation, is affected by nano-TiO2. Howeve…

Nanoparticles: synthesis and applicationsPlant Growth Enhancement Techniques

Highly sensitive optical temperature sensing based on upconversion luminescence in Gd 9.33 (SiO 4 ) 6 O 2 :Yb 3+ –Er 3+ /Ho 3+ phosphors

Jia Zhang、Fangsheng Qian2020-01-01Dalton Transactions

In this paper, new upconversion (UC) phosphors for Yb3+-Er3+- and Yb3+-Ho3+-doped Gd9.33(SiO4)6O2 (GSO) were designed via a solid-state reaction method. The phase purity of the samples was examined using XRD patterns. In Yb3+-Er3+ -doped GSO, the characteristic emission peaks of Er3+ appear upon 980 nm excitation, and…

Luminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsRadiation Detection and Scintillator Technologies

Structure–function correlations in mononuclear manganese( iii ) spin crossover systems with a big conjugated hexadentate Schiff-base ligand

Sheng‐Ze Zhao、Chun-Yan Qin、Shi Wang 等 6 位作者2020-01-01Dalton Transactions

This paper reports the syntheses, crystal structures and magnetic properties of spin crossover (SCO) salts of formulae [Mn(naphth-sal-N-1,5,8,12)]SbF6 (1), [Mn(naphth-sal-N-1,5,8,12)]AsF6 (2), [Mn(naphth-sal-N-1,5,8,12)]PF6·1/2CH3OH (3) and [Mn(naphth-sal-N-1,5,8,12)]ClO4 (4), where (naphth-sal-N-1,5,8,12)2- (2,2'-((1…

Magnetism in coordination complexesLanthanide and Transition Metal ComplexesElectron Spin Resonance Studies

Pickering emulsions of alumina nanoparticles and bola-type selenium surfactant yield a fully recyclable aqueous phase

Shijie Yu、Haojie Zhang、Jianzhong Jiang 等 6 位作者2020-01-01Green Chemistry

We report a redox-responsive Pickering emulsion stabilized by a selenium-based surfactant and alumina nanoparticles, in which separation of oil phase without residual surfactant and recycling of the Pickering emulsifiers from aqueous phase is possible after demulsification.

Proteins in Food SystemsSurfactants and Colloidal SystemsPickering emulsions and particle stabilization

Nitrogenous carbon dot decorated natural microcline: an ameliorative dual fluorometric probe for Fe 3+ and Cr 6+ detection

Souravi Bardhan、Shubham Roy、Dipak Kr. Chanda 等 9 位作者2020-01-01Dalton Transactions

In the modern era, the escalation of heavy metal discharges, especially from the industrial sector, is causing an enormous threat to nature. This article explores the dual sensing of heavy metals (Cr6+ and Fe3+) using a naturally formed microcline based sensor. A nano-sized microcline (M) was obtained via a facile top…

Advanced biosensing and bioanalysis techniquesMolecular Sensors and Ion DetectionCarbon and Quantum Dots Applications

A convenient method for synthesis of terpyridines via a cooperative vinylogous anomeric based oxidation

Fatemeh Karimi、Meysam Yarie、Mohammad Ali Zolfigol2020-01-01RSC Advances

Fe 3 O 4 @O 2 PO 2 (CH 2 ) 2 NH 3 + CF 3 CO 2 − as a retrievable nanocatalyst with magnetic properties was applied for the one pot preparation of terpyridines with good yields and short reaction times via a cooperative vinylogous anomeric based oxidation mechanism.

Mesoporous Materials and CatalysisMulticomponent Synthesis of HeterocyclesOxidative Organic Chemistry Reactions

Thermal treatment of açaí (Euterpe oleracea) fiber for composite reinforcement

Felipe Fernando da Costa Tavares、Marcos Danilo Costa de Almeida、João Antônio Pessoa da Silva 等 6 位作者2020-01-01Polímeros

This work investigated the effect of thermal treatment in an autoclave on the chemical, physical, and morphological properties of lignocellulosic fibers from açaí (Euterpe oleracea Mart), and the behavior of this treated fiber in polypropylene (PP) matrix composites with polypropylene-graft-maleic anhydride (PPgMA) as…

Nanocomposite Films for Food PackagingNatural Fiber Reinforced CompositesAdvanced Cellulose Research Studies

Structure and small molecule activation reactivity of a metallasilsesquioxane of divalent ytterbium

Aurélien R. Willauer、Anna Maria Dąbrowska、Rosario Scopelliti 等 4 位作者2020-01-01Chemical Communications

The first metallasilsesquioxane of a divalent lanthanide was synthetized and structurally characterized. The dinuclear Yb( ii ) complex effects the two electrons reduction of azobenzene, and the selective CO 2 reduction to CO and carbonate.

Organometallic Complex Synthesis and CatalysisSynthesis and characterization of novel inorganic/organometallic compoundsSilicone and Siloxane Chemistry

Photo-physical, theoretical and photo-cytotoxic evaluation of a new class of lanthanide( iii )–curcumin/diketone complexes for PDT application

Dulal Musib、Mrityunjoy Pal、Md Kausar Raza 等 4 位作者2020-01-01Dalton Transactions

Herein we report the synthesis, characterization, photophysical and photocytotoxicity studies of a new class of curcumin-based lanthanide(iii) complexes of general molecular formula [La(1,10-phen)2(L)(NO3)2] (1-4), where L = 1-phenylbutane-1,3-dione (L1, 1), 1-(anthracen-9-yl)butane-1,3-dione (L2, 2), 1-(3a1,5a1-dihyd…

Molecular Sensors and Ion DetectionPorphyrin and Phthalocyanine ChemistryCurcumin's Biomedical Applications

Electro-chemo-mechanical effect in Gd-doped ceria thin films with a controlled orientation

Simone Santucci、Haiwu Zhang、Simone Sanna 等 5 位作者2020-01-01Journal of Materials Chemistry A

Enhanced Gd-doped ceria electrostriction: This study uncovers new anisotropic properties in thin films, enhancing the effect along with the 〈100〉 directions by one order of magnitude and proposing a new microscopic model to explain such findings.

Catalytic Processes in Materials ScienceGas Sensing Nanomaterials and SensorsCatalysis and Oxidation Reactions

Gold nanonails for surface-enhanced infrared absorption

Hang Yin、Nannan Li、Yubing Si 等 6 位作者2020-01-01Nanoscale Horizons

Surface-enhanced infrared absorption (SEIRA) can dramatically enhance the vibrational signals of analyte molecules owing to the interaction between plasmons and molecular vibrations. It has huge potential for applications in various detection and diagnostic fields. High-aspect-ratio rod-like metal nanostructures have…

Gold and Silver Nanoparticles Synthesis and ApplicationsPlasmonic and Surface Plasmon ResearchNonlinear Optical Materials Studies