Materials Literature
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A non-destructive Raman spectroscopy has been widely used as a complimentary method to X-ray diffraction characterization of Cu2ZnSnS4 (CZTS) thin films, yet our knowledge of the Raman active fundamental modes in this material is far from complete. Focusing on polarized Raman spectroscopy provides important informatio…
Sarin, used as chemical warfare agents (CWAs) for terrorist attacks, can induce a number of virulent effects. Therefore, countermeasures which could realize robust and convenient detection of sarin are in exigent need. A concise charge-transfer colorimetric and fluorescent probe (4-(6-(tert-butyl)pyridine-2-yl)-N,N-di…
To resolve an increasing global demand in energy, a source of sustainable and environmentally friendly energy is needed. Microbial fuel cells (MFC) hold great potential as a sustainable and green bioenergy conversion technology that uses waste as the feedstock. This work pursues the development of an effective small-s…
Anatase:rutile TiO2 junctions are often shown to be more photocatalytically active than anatase or rutile alone, but the underlying cause of this improvement is not fully understood. Herein, we employ transient absorption spectroscopy to study hole transfer across the anatase:rutile heterojunction in films as a functi…
To enhance the photocatalytic activity of monoclinic BiVO 4 for O 2 evolution from water, Ce-doped BiVO 4 was prepared using the one-pot facile solvothermal method and characterized via XRD, Raman, XPS, and electrochemical impedance spectroscopy (EIS). The XPS spectra confirm that Ce component is Ce 3+ ions instead of…
Heterostructured TiO2 nanorod@nanobowl (NR@NB) arrays consisting of rutile TiO2 nanorods grown on the inner surface of arrayed anatase TiO2 nanobowls are designed and fabricated as a new type of photoanodes for photoelectrochemical (PEC) water splitting. The unique heterostructures with a hierarchical architecture are…
An etching-in-a-box strategy is developed to synthesize unique Fe3O4@C yolk-shelled nanocubes. Interestingly, inner cavities are generated in Fe3O4 cores during the etching process. With an optimized etching time of 2 h, an ultralong cycling life is achieved, in which even after 8000 cycles the material can still deli…
The effect of relative density on the hardness and fracture toughness of Al‐substituted cubic garnet Li 6.19 Al 0.27 La 3 Zr 2 O 12 ( LLZO ) was investigated. Polycrystalline LLZO was made using solid‐state synthesis and hot‐pressing. The relative density was controlled by varying the densification time at fixed tempe…
In situ gel delivery systems are preferred over conventional systems due to sustained and prolonged release action of therapeutic payload onto the targeted site. Thermogel, a form of in situ gel-forming polymeric formulation, undergoes sol-gel transition after administration into the body. At room temperature, the sys…
The rostrocaudal (head-to-tail) axis is supplied by populations of progenitors at the caudal end of the embryo. Despite recent advances characterising one of these populations, the neuromesodermal progenitors, their nature and relationship to other populations remains unclear. Here we show that neuromesodermal progeni…
Bi2WO6 as a high visible-light-driven catalyst has been aroused broad interest. However, it can only be excitated by the light with λ < 450 nm and the solar energy utilization need to be improved. Here, the wide-range-visible photoresponse Bi2WO6-x nanoplates were fabricated by introducing surface oxygen vacancies thr…
Perovskite LaFeO3/montmorillonite nanocomposites (LaFeO3/MMT) have been successfully prepared via assembling LaFeO3 nanoparticles on the surface of montmorillonite with citric acid assisted sol-gel method. The results indicated that the uniform LaFeO3 nanoparticles were densely deposited onto the surface of montmorill…
A silk nanofiber-networked bio-triboelectric generator (Silk Bio-TEG) is developed using an eco-friendly and sustainable silk biomaterial with strong hydrogen bonding between peptide blocks. The electrospun Silk Bio-TEG shows highly durable and reliable energy harvesting performances due to its notably high surface-to…
Multifunctional nickel sulfide superstructures (h-NiSx) with 3D hierarchically porosity are prepared by template-free electrodeposition of porous metallic Ni microspheres arrays on a nickel foam and subsequent low-temperature sulfurization. With the designed nanoscale architecture, the resulting h-NiSx exhibit superio…
A simple, low-cost blade-coating method is developed for the large-area fabrication of single-crystalline aligned CH3NH3PbI3 microwire (MW) arrays. The solution-coating method is applicable to flexible substrates, enabling the fabrication of MW-array-based photodetectors with excellent long-term stability, flexibility…
Flexible and stretchable electronics and optoelectronics configured in soft, water resistant formats uniquely address seminal challenges in biomedicine. Over the past decade, there has been enormous progress in the materials, designs, and manufacturing processes for flexible/stretchable system subcomponents, including…
ABSTRACT Polyethylene (PE) is one of the most widely produced and widely used plastics in the world. Saturated hydrocarbons cannot absorb the energy of the light reaching earth, so the degradation process is rather slow; this, in return, causes disposal problems. On the other hand, it was observed that in the presence…
Effects of Ru and Re promoters on Co-CoOx catalysts supported on γ-Al2O3, TiO2 and SiC were investigated to improve the understanding of the role of promoters of the active phase of Co-CoOx-Ru and Co-CoOx-Re. The influence of promoter addition on the composition and activity of the catalysts was characterized by sever…
The polymeric materials are characterized by high flammability.The use of flame retardants in order to reduce the flammability of polymers can lead to the formation of toxic gaseous products under fire conditions.In this work we studied the effect of boric acid on the volatile products of thermooxidative degradation o…
Structure and morphology determine the properties of polymeric materials. This atlas provides, with over 2000 high-quality micrographs a comprehensive overview of the structural/morphological diversity of all classes of plastics. All microscopic techniques from light microscopy through scanning and transmission electr…