Materials Literature
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Anode materials play a key role in the performance, in particular the capacity and lifetime, of lithium ion batteries (LIBs). Silicon has been demonstrated to be a promising anode material due to its high specific capacity, but pulverization during cycling and formation of an unstable solid-electrolyte interphase limi…
Based on an azo-thiol redox reaction, a non-emissive dinuclear iridium(III) complex showed off-on phosphorescent response toward thiols and was developed to image thiol levels in living cells.
We report a nanobelt structured MoO3 intimately wired by carbon nanotube (CNT) networks using a facile hydrothermal synthesis approach. The CNT networks not only serve as a highly conducting and porous scaffold facilitating electron and ion transport but also provided extra space for buffering of strain and stress upo…
In-situ techniques proved to be exceptionally useful tools to understand electrode materials for Li-ion batteries but in-situ neutron diffraction (ND) during battery operation knew a slow development, due to the intrinsic difficulties it held. We have designed a new electrochemical cell, manufactured with a completely…
Nitrogen-doped TiO₂ nanostructures in the form of marigold flowers have been synthesized for the first time using a facile solvothermal method. The structural analysis has shown that such an N-doped TiO₂ system crystallizes in the anatase structure. The optical absorption spectra have clearly shown the shift in the ab…
The aging process causes a number of changes in the skin, including oxidative stress and dyschromia. The kojic acid (KA) is iron chelator employed in treatment of skin aging, and inhibits tyrosinase, promotes depigmentation. Nanotechnology-based drug delivery systems, such as liquid crystalline systems (LCSs), can mod…
Demonstration of Submicron-Gate AlGaN/GaN High-Electron-Mobility Transistors on Silicon with Complementary Metal–Oxide–Semiconductor-Compatible Non-Gold Metal Stack, Arulkumaran, Subramaniam, Ng, Geok Ing, Vicknesh, Sahmuganathan, Wang, Hong, Ang, Kian Siong, Kumar, Chandramohan Manoj, Teo, Khoon Leng, Ranjan, Kumud
The synthesis of zeolitic imidazolate framework-8 (ZIF-8) films in an aqueous system was achieved. ZIF-8 films with controllable thickness were successfully grown on a modified substrate at room temperature. The 3-(2-imidazolin-1-yl)propyltriethoxysilane (IPTES) was used to first form a pseudo-surface of ZIF-8 on a gl…
In this study, a highly soluble poly[quinacridone-alt-quinoxaline] series (PQCQx, PQCTQx, PQCTPz) was synthesized through the Suzuki coupling reaction by introducing planar quinacridone and highly soluble quinoxaline. The polymers were soluble in general organic solvents, and the Mn was 15.6–85.0 kg mol−1. The optical…
Four new fluorescent chemosensors for metal ions based on 8-hydroxyquinoline (8-HDQ) derivatives and sulfur-containing macrocyclic units were synthesized and characterized, namely 1-(5-chloro-8-hydroxy-7-quinolinylmethyl)-1-aza-4,7,10-trithiacyclododecane (L1), 1-(5-chloro-8-hydroxy-7-quinolinylmethyl)-1-aza-4,13-dith…
The electrodeposition of silver nanodendritic structures in the absence of supporting electrolyte is reported. The as-fabricated dendritic Ag causes an enhancement in Raman scattering of rhodamine B. The galvanic replacement of as-deposited silver with Pd resulted in the formation of dendritic Pd/Ag with a different m…
OBJECTIVE: To evaluate the antimicrobial activities of silver inorganic materials, including silver zeolite (AgZ), silver zirconium phosphate silicate (AgZrPSi) and silver zirconium phosphate (AgZrP), against oral microorganisms. In line with this objective, the morphology and structure of each type of silver based po…
Ligands containing first and second generation hole-transport triphenylamino-dendrons have been evaluated as ancillary ligands in copper(I) DSCs yielding an optimal efficiency of 3.77% in unmasked cells. The effects of masking the DSCs on measured parameters are discussed.
Interaction of p3 (Aβ(17-42)) peptides with cell membranes is crucial for the understanding of amyloid toxicity associated with Alzheimer's disease (AD). Such p3-membrane interactions are considered to induce the disruption of membrane permeability and integrity, but the exact mechanisms of how p3 aggregates, particul…
We investigate the self-assembly process of the globular protein bovine serum albumin (BSA) into fibrillar structures upon incubating the protein solution at high temperature (90 degreeC) and in an acidic environment (pH 2) for several days. The investigation is performed by atomic force microscopy (AFM) on the self-a…
Pyrite (FeS2) nanorod arrays were produced on a fluorine doped tin oxide substrate by sulfurizing FeO(OH) nanorods, and then tested as the counter electrode (CE) for dye-sensitized solar cells (DSSCs). FeS2 nanorods show better catalytic properties than the FeS2 film and the Pt film due to their active facets, which h…
We give sufficient conditions for the parameters of the normalized form of the generalized Struve functions to be convex and starlike in the open unit disk.
We report on a novel design of a piezoelectric nanogenerator that is monolithically integrated onto an elastic spring by growing ZnO nanowire arrays on the surface of the spring. Under a cyclic compressive force applied to the spring, the nanogenerator produced a stable AC output voltage and current, which are linearl…
New isoindigo and di(thienyl)ethylene-containing π-extended conjugated polymers with different branched side-chains and molecular weights (MWs) have been synthesized. Octyldodecyl (OD) and decyltetradecyl (DT) groups were employed as side chain moieties tethered to isoindigo units. In addition, the MW of the polymer w…
A composite hydrogel was fabricated by introducing hyaluronic acid (HA) into gelatin (Gel) using 1-ethyl-(3-3-dimethylaminopropyl) carbodiimide (EDC) as a cross-linker. The effects of cross-linking, including cross-linker content and cross-linking time, on the morphology, swelling ratio, compressive strength and cytot…