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Expression of Concern: Nanostructured magnesium increases bone cell density (2012 Nanotechnology 23 [http://doi.org/10.1088/0957-4484/23/48/485105] 485105 )

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Localized surface plasmon resonance-enhanced solar-blind Al 0.4 Ga 0.6 N MSM photodetectors exhibiting high-temperature robustness

The appealing properties of tunable direct wide bandgap, high-temperature robustness and chemical hardness, make Al x Ga 1− x N a promising candidate for fabricating robust solar-blind photodetectors (PDs). In this work, we have utilized the optical phenomenon of localized surface plasmon resonance (LSPR) in metal nanoparticles (NPs) to significantly...

In-plane InGaAs/Ga(As)Sb nanowire based tunnel junctions grown by selective area molecular beam epitaxy

In-plane InGaAs/Ga(As)Sb heterojunction tunnel diodes are fabricated by selective area molecular beam epitaxy with two different architectures: either radial InGaAs core/Ga(As)Sb shell nanowires or axial InGaAs/GaSb heterojunctions. In the former case, we unveil the impact of strain relaxation and alloy composition fluctuations at the nanoscale...

Melting at Mg/Al interface in Mg–Al–Mg nanolayer by molecular dynamics simulations

The melting at the magnesium/aluminum (Mg/Al) interface is an essential step during the fabrications of Mg–Al structural materials and biomaterials. We carried out molecular dynamics simulations on the melting at the Mg/Al interface in a Mg–Al–Mg nanolayer via analyzing the changes of average atomic potential energy, Lindemann index, heat capacity,...

Conductive bimetal organic framework nanorods decorated with highly dispersed Co 3 O 4 nanoparticles as bi-functional electrocatalyst

The poor electronic conductivity and low intrinsic electrocatalytic activity of metal organic frameworks (MOFs) greatly limit their direct application in electrocatalytic reactions. Herein, we report a conductive two-dimensional π – d conjugated Ni and Co bimetal organic framework (MOF)—NiCo-(2,3,6,7,10,11-hexaiminotriphenylene) (NiCo-HITP) nanorods...

Rare earth doped metal oxide nanoparticles for photocatalysis: a perspective

Metal oxides are well-known materials that have been considered as the prominent photocatalysts. Photocatalysis is a promising way to address the environmental issues which are caused by fossil fuel the combustion and industrial pollutants. Lot of efforts such as doping of metal oxides with metals, non-metals have been made to enhance their photocatalytic...

Small-diameter p-type SnS nanowire photodetectors and phototransistors with low-noise and high-performance

P-type nanostructured photodetectors and phototransistors have been widely used in the field of photodetection due to their excellent electrical and optoelectronic characteristics. However, the large dark current of p-type photodetectors will limit the detectivity. Herein, we synthesized small-diameter single-crystalline p-type SnS nanowires (NWs)...

Poly(butyl cyanoacrylate) nanoparticles-delivered β -nerve growth factor promotes the neurite outgrowth and reduces the mortality in the rat after traumatic brain injury

Several transport vectors, including nanoparticles, have been reported to be used for the delivery of therapeutic medicines crossing the impermeable blood-brain barrier (BBB) to treat the diseases in the central nerve system (CNS), such as traumatic brain injury (TBI). Poly(n-butyl-2-cyanoacrylate) (PBCA) nanoparticles, made from biocompatible...

Degradation performance and mechanism toward methyl orange via nanoporous copper powders fabricated by dealloying of ZrCuNiAl metallic glassy precursors

The catalyst of nanoporous Cu (NP-Cu) powders, with the chemical composition of Cu 79.63 Ni 6.85 O 13.53 (at%), was successfully fabricated by dealloying of Zr–Cu–Ni–Al metallic glassy precursors. The as-prepared NP-Cu powders, co-existing with Cu 2 O phase on Cu ligament surface, had a three-dimensional network porous structure. The NP-Cu powders/H...

Wafer-scale plasmonic metal–dielectric–metal structural color featuring high saturation and low angular dependence

Structural color has been studied through various methods due to its distinguished features of stability, durability, high information storage density and high integration. However, the artificial structural color samples do not exhibit superior performance in color saturation and low angular dependence. Here, we present an approach to acquire...

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