Materials Literature
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One of the greatest challenges with single-walled carbon nanotube (SWNT) photovoltaics and nanostructured devices is maintaining the nanotubes in their pristine state (i.e., devoid of aggregation and inhomogeneous doping) so that their unique spectroscopic and transport characteristics are preserved. To this effect, w…
Controlling tunneling properties through graphene vertical heterostructures provides advantages in achieving large conductance modulation which has been known as limitation in lateral graphene device structures. Despite of intensive research on graphene vertical heterosturctures for recent years, the potential of spin…
A novel and smart melamine sponge cube with pH-responsive surface and superhydrophilic interior shows a capability for the absorption of subaqueous CCl4 under neutral and acidic conditions. Further, alkaline condition allows a release of the absorbed CCl4, accompanied with autonomous diving-surfacing processes. This d…
Abstract LaMgNi 4− x Co x ( x = 0–0.8) electrode alloys used for MH/Ni batteries were prepared by induction melting. The structures and electrochemical hydrogen storage properties of the alloys were investigated in detail. X‐ray diffraction (XRD) and scanning electron microscopy (SEM) analysis show that LaMgNi 4 phase…
The thermal reactions of surface and subsurface hydrogen atoms on ZnO have been investigated. When the (0001) and surfaces of ZnO are exposed to atomic hydrogen at 370 K, surface-bound hydrogen atoms are formed on both surfaces. As the hydrogen exposure increases, H atoms diffuse into the bulk of ZnO. Upon heating, re…
Silver sulfide (Ag 2 S) nanoparticle (NP) is a promising material for quantum-dot-based hot-carrier solar cell, yet the hot carrier dynamics of the material has not been thoroughly studied for this purpose. In this work, carrier cooling dynamics of Ag 2 S NP thin film were measured and analyzed using the transient abs…
Time-resolved magnetic sensing is of great importance from fundamental studies to applications in physical and biological sciences. Recently, the nitrogen-vacancy defect center in diamond has been developed as a promising sensor of magnetic fields under ambient conditions. However, methods to reconstruct time-resolved…
The use of geometry has always been essential in our understanding of the physics of soft matter. This chapter discusses crystalline, and nematic or liquid crystalline. It also discusses the elasticity of crystals and liquid crystals, and provides a classification of the defects in the phases of matter. The chapter ex…
Raman light scattering measurements in the temperature range from 80 to 830 K were performed on a PbZr0.72Sn0.28O3 single crystal. The frequencies of the Raman lines were analyzed and discussed in terms of the sequence of structural phase transitions. It was found that Raman spectrum displays important changes near 44…
Gelatin powder from goat skin prepared by spray drying at various inlet temperatures (160–200°C) was characterized. Predominant particle sizes were in the range of 4.65–5.14 µm. Gelatin powder was mostly concave in shape with varying sizes, depending on inlet temperatures used. All gelatin powders were creamy whitish.…
Dual Functional Lithium Lead (DFLL) blanket was proposed for its advantages of high energy exchange efficiency and on-line tritium extraction, and it was selected as the candidate test blanket module (TBM) for China Fusion Engineering Test Reactor (CFETR) and the blanket for Fusion Design Study (FDS) series fusion rea…
Nucleodyes, visibly colored chromophoric nucleoside analogues, are reported. Design criteria are outlined and the syntheses of cytidine and uridine azo dye analogues derived from 6-aminouracil are described. Structural analysis shows that the nucleodyes are sound structural analogues of their native nucleoside counter…
Atomic force microscopy (AFM)-based nanolithography is one of the commonly used techniques to fabricate graphene devices on different substrates. However, the patterned graphene varies with different substrate materials. We demonstrate, both experimentally and theoretically, that the required force to pattern graphene…
Targeted killing of cancer cells by engineered nanoparticles holds great promise for noninvasive photothermal therapy applications. We present the design and generation of a novel class of gold nanoshells with cores composed of self-assembled block copolypeptide vesicles with photothermal properties. Specifically, pol…
Motivated by “driving” nanoscopic nanocars on solid substrate surfaces at ambient conditions, we studied the moving kinetics of nanocars on differently modified surfaces. Single molecule fluorescence imaging was used to track the nanocar movement so that the molecules were minimally perturbed. On freshly cleaned, hydr…
The size and density of Ag nanoparticles on n -layer MoS 2 exhibit thicknessdependent behavior. The size and density of these particles increased and decreased, respectively, with increasing layer number ( n ) of n -layer MoS 2 . Furthermore, the surface-enhanced Raman scattering (SERS) of Ag on this substrate was obs…
Abstract A bimetallic Cu/Cu51Zr14 precatalyst, activated in situ, for hydrogen generation from methanol and water provides very high CO2 selectivity (>99.9 %) and high H2 yields. Referenced to the geometric surface area of our model surface, higher activity of at least one order of magnitude was observed in comparison…
In this study, we report on the design, synthesis, photokinetic properties and in vitro evaluation of photoactivatable caged prodrugs for the receptor tyrosine kinase VEGFR-2. Highly potent VEGFR-2 inhibitors 1 and 3 were caged by introduction of a photoremovable protecting group (PPG) to yield the caged prodrugs 4 an…
A facile and environmentally friendly surface-ion adsorption method using CeCO₃OH@C as template was demonstrated to synthesize CeO₂-LaFeO₃ perovskite composite material. The obtained composite was characterized by X-ray diffraction (XRD), fourier transform infrared spectra (FT-IR), field-emission scanning electron mic…
The effects of trace addition of Al on the microstructure and mechanical properties of the as-extruded Mg-6Zn-0.5Er alloy were investigated in the present investigation. The results showed that the trace addition of Al affected the mechanical properties significantly. The elongation of the extruded alloy was improved…