Materials Literature
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We have developed an algorithm for the numerical simulation of the electrical and optical properties of a thin-film silicon solar cell. The intrinsic layer in the p-i-n solar cell is nonhomogeneous in the thickness direction. This nonhomogeneity is to be engineered via variations in the composition of the amorphous si…
Mechanical strength is one of the biggest limitations of practical application for tellurite fiber. In this study, we design and fabricate a single mode tellurite composite fiber to overcome the flaw. The fiber has a double cladding structure with tellurite core and inner cladding, the outer cladding, which is made of…
A major issue concerning many adults worldwide is obesity [1]. The goal of this work is to address this problem by designing a novel swallowable microrobotic capsule that will attach a sensor to the lining of the gastrointestinal (GI) tract that will detect mass flow rate. Mass flow rate reflects the food intake and i…
The solubilities of 1-fluoro-4-(methylsulfonyl)benzene in five pure organic solvents (ethanol, ethyl acetate, acetone, toluene, and chloroform) at temperatures ranging from (288.40 to 331.50) K under atmospheric pressure were measured experimentally by the dynamic method with a laser monitoring apparatus. It was found…
Abstract This work aims at studying the corrosion behavior of electroless Ni-P coating on mild steel substrate heat-treated by microwave and conventional furnace (muffle) annealing. The corrosion behavior of the deposits has been evaluated by potentiodynamic polarization studies in 3.5 wt% sodium chloride solution. Th…
The conventional synthesis of heterogeneous catalysts usually is a complex and time-consuming process. PECVD proves to be a promising technique for a one-step synthesis of heterogeneous catalysts. In the present paper, the production efficiency for hybrid silica-based powders is optimized using a DoE approach. Afterwa…
The successful synthesis of highly crystallized cuprous oxide nanoparticles using long chained alcohol reduction method is reported. The purity of copper oxide obtained by this method greatly depends on the synthesis conditions such as reaction temperature, reaction duration, and hydroxyl ion concentration that assist…
A recent development in cooling and lubrication technology for micromachining processes is the use of atomized spray cooling systems. These systems have been shown to be more effective than traditional methods of cooling and lubrication for extending tool life in micromachining. Typical nozzle systems for atomization…
Dy 3+ :Ca 3 La 2 (BO 3 ) 4 crystal has been grown by the Czochralski method. The polarized absorption, emission spectra and decay lifetime measurements of Dy 3+ -doped Ca 3 La 2 (BO 3 ) 4 crystal have been performed at room temperature. Based on the Judd–Ofelt theory, the spectroscopic parameters Ω t ( t = 2,4,6), rad…
Energy conversion technologies are aiming to extremely high power capacities per year. Nontoxicity and abundance of the materials are the key requirements to a sustainable photovoltaic technology. Oxides are among the key materials to reach these goals. We investigate the influence of thin buffer layers on the perform…
We investigated the blue excitable persistent luminescence properties in the Ce3+-doped garnet ceramics with the composition of Y3Al5-xGaxO12:Ce3+ (x=0, 1, 2, 3, 3.5, 4). The persistent luminescence was observed in the sample with x=3 and 3.5 by the blue excitation. In these materials, the energy gap between the lowes…
Description Featuring 10 symposium papers presented in Indianapolis, IN in June 2013. These papers have a rich history having evolved from five decades of tradition, from a symposium that has provided an international forum for the presentation of current research results, applications studies, and open discussion. Pa…
In this work, we report on ∼4% power conversion efficiency (PCE) depleted bulk heterojunction (DBH) solar cells based on a high-quality electrode with a three-dimensional nanoscale architecture purposely designed so as to maximize light absorption and charge collection. The newly conceived architecture comprises a mes…
An aero-self-assembly to fabricate Au-SiO2/IBU-PLL functional nanobunches is introduced for the first time for the efficient inhibition of cell proliferation through NIR-induced chemo-thermal therapy. This functional nanoparticle design approach provides useful insights for improving the applicability of Au-based hyb…
Although piezoelectric ceramics are widely used, the structural reliability of these materials in long‐term service is still a concern. In this study, a nondestructive method for assessing material strength reliability using partial discharge ( PD ) tests is proposed. The PD inception electric field and the flexure st…
Fluorescence microscopy is used to explore the efficacy of surface acoustic waves (SAWs), as generated by a pulsed laser “tapping” a surface, to enhance the surface mobility of molecular adsorbates. The candidate adsorbate system under investigation comprises a series of gold clusters that are directly prepared on a s…
The oxidation state of the surfaces of titanium-based biomaterials strongly depends on their previous history. This factor affects the titanium wettability and it probably conditions the success of the implanted biomaterials. However, the separate role of the pollution and oxidation states of metallic titanium surface…
Concrete, a mixture of cement, coarse aggregate, sand and filler material (if any), is widely used in the construction industry. Cement, mainly composed of Tricalcium Silicate (C3S) and Dicalcium Silicate (C2S) reacts readily with water, a process known as hydration. The hydration process forms a solid material known…
A 30 Gb/s Ge waveguide photodetector was demonstrated and its reliability under elevated temperatures and high stress biases were investigated. For different reverse biases, the slopes of the dark current increment versus stress bias time curves were initiatively found to be the same and made the lifetime extrapolatio…
Electrochemical deposition (ECD) is a versatile technique for the preparation of ZnO nanowires (NWs) and nanorods (NRs) with high structural and optical quality. The bandgap of the ZnO NWs can be engineered by doping. Depending on the doping cation and concentration, the bandgap is increased or decreased in a controll…