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السجلات المعروضة 91 -- 100 من 520
Sustainable utilization of waste carbon black in alkali-activated mortar production
(
Elsevier
, 2021 , Article)
This article investigates the potential utilization of waste carbon black (WCB) resulting from the aluminum industry as a by-product material in the fly ash-based geopolymer composites production. Experimental study was ...
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
(
Qatar University Press
, 2021 , Poster)
This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets for thermoelectric applications. Different p-type and n-type bismuth ...
Self-Healing Performance of Smart Polymeric Coatings Modified with Tung Oil and Linalyl Acetate
(
Qatar University Press
, 2021 , Poster)
This work focuses on the synthesis and characterization of polymeric smart self-healing coatings. A comparison of structural, thermal, and self-healing properties of two different polymeric coatings comprising distinct ...
An efficient eco advanced oxidation process for phenol mineralization using a 2D/3D nanocomposite photocatalyst and visible light irradiations
(
Nature Publishing Group
, 2017 , Article)
Nanocomposites (CNTi) with different mass ratios of carbon nitride (C3N4) and TiO2 nanoparticles were prepared hydrothermally. Different characterization techniques were used including X-ray diffraction (XRD), UV-Vis diffuse ...
Highly efficient photocatalytic z-scheme hydrogen production over oxygen-deficient WO3-x nanorods supported Zn0.3Cd0.7S heterostructure
(
Nature Publishing Group
, 2017 , Article)
The demand for clean renewable energy is increasing due to depleting fossil fuels and environmental concerns. Photocatalytic hydrogen production through water splitting is one such promising route to meet global energy ...
Self-repairing composites for corrosion protection: A review on recent strategies and evaluation methods
(
MDPI AG
, 2019 , Article Review)
The use of self-healing coatings to protect metal substrates, such as aluminum alloys, stainless steel, carbon steel, and Mg alloys from corrosion is an important aspect for protecting metals and for the economy. During ...
Aggregated Molecular Fluorophores in the Ammonothermal Synthesis of Carbon Dots
(
American Chemical Society
, 2017 , Article)
Recently, molecular fluorophores were shown to be formed in the bottom-up chemical synthesis, contributing to the emission of carbon dots (CDs), derived from a citric acid precursor. We applied an ammonothermal synthesis ...
Instability in CH3NH3PbI3 perovskite solar cells due to elemental migration and chemical composition changes
(
Nature Publishing Group
, 2017 , Article)
Organic-inorganic halide perovskites have rapidly grown as favorable materials for photovoltaic applications, but accomplishing long-term stability is still a major research problem. This work demonstrates a new insight ...
Photonics and fracture toughness of heterogeneous composite materials
(
Nature Publishing Group
, 2017 , Article)
Fracture toughness measures the resistance of a material to fracture. This fundamental property is used in diverse engineering designs including mechanical, civil, materials, electronics and chemical engineering applications. ...
Using B4C nanoparticles to enhance thermal and mechanical response of aluminum
(
MDPI AG
, 2017 , Article)
In this work, Al-B4C nanocomposites were produced by microwave sintering and followed by hot extrusion processes. The influence of ceramic reinforcement (B4C) nanoparticles on the physical, microstructural, mechanical, and ...