Materials Literature
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X-ray photoelectron spectroscopy reveals spontaneous atom diffusion from a Mo(001) support into a MgO thin film doped with transition-metal ions. The amount of interfacial mixing depends on the nature of the dopants and is considerably larger for Fe than for Cr impurities. DFT calculations find the reason for Mo diffu…
Plasmonic nanogaps serve as a useful configuration for light concentration and local field amplification owing to the extreme localization of surface plasmons. Here, a smart plasmonic nanogap device is fabricated by the dynamic response of an Ag decorated hierarchically structural vertical polymer nanorod array under…
The simultaneously oleophobic/hydrophilic coatings are highly desirable in antifogging, oil-water separation, and detergent-free cleaning. However, such coatings require special chemical structure, i.e., perfluorinated backbone and polar end-groups, and are too expensive for real-life application. Here, we have develo…
ABSTRACT Renewable resource‐based polyesters, poly(trimethylene malonate) (PTM) and poly(trimethylene itaconate) (PTI), were synthesized from 1,3‐propanediol, malonic acid, and itaconic acid via melt polycondensation using green chemistry principles. Aluminum chloride, a Lewis acid, was used as the catalyst at differe…
d -Glucaric acid (GA), an aldaric acid isolated from various vegetables and fruits, is an important biobased building block. Glucaric acid acetate (GAA), which is acyclic, was synthesized in an acetic anhydride/sulfuric acid mixture. GAA was converted to glucaric acid chloride acetate (GACA) and then polymerized with…
Novel stable carboxylic acid derivatized alkoxy silanes are co-condensed with tetraethyl orthosilicate in the presence of a structure-directing agent in a direct “one-pot” synthesis to porous carboxy-modified silica particles. Special emphasis is given to the influence of an increasing amount of 5-(triethoxysilyl)pent…
The superhydrophobicities and the contact time of lotus leaf and reed leaf were investigated. The results indicated that both lotus leaf and reed leaf have good superhydrophobic properties, and the water contact time was 12.7 and 14.7 ms on the surface of lotus leaf and reed leaf, respectively. Surface structure plays…
A nematic liquid crystal (LC) was doped with a reactive mixture of a mesogenic diacrylate monomer, a monofunctional acrylate monomer, and photoinitiator. This mixture was filled in transparent test cells with planar electrodes and uniform director alignment. Photopolymerization of the monomers was excited by exposure…
We present a framework for physically motivated models of adsorbate–adsorbate interaction between small molecules on transition and coinage metals based on modifications to the substrate electronic structure due to adsorption. We use this framework to develop one model for transition and one for coinage metal surfaces…
Abstract Chemically prepared λ‐MnO 2 has not been intensively studied as a material for metal–air batteries, fuel cells, or supercapacitors because of their relatively poor electrochemical properties compared to α‐ and δ‐MnO 2 . Herein, through the electrochemical removal of lithium from LiMn 2 O 4 , highly crystallin…
We previously reported the coassembly of various proteins with poly(4-vinylpyridine) (P4VP) to form core-shell nanoparticles (CSNPs). However, P4VP suffers from its cytotoxicity and in vivo toxicity, which prohibit it from many potential biomedical applications. Here, pyridine-grafted diblock copolymer poly(caprolacto…
Reported here is the facile fabrication of all-reduced graphene oxide (RGO) field-effect-transistor (FET) on flexible substrates using a solo femtosecond laser direct writing (FsLDW) technology. By simply tuning the intensity of a femtosecond laser pulse, GO could be reduced in a controlled manner. Metallic and semico…
A comparison of melamine salt of pentaerythritol phosphate (MPP), and a synergistic agents, iron–graphene (IG) was performed in thermoplastic polyurethane (TPU) by masterbatch-melt blending on thermal and flame retardant properties. The flame retardant properties of TPU composites were characterized by limiting oxygen…
Ceria-platinum-based bilayered thin films deposited by magnetron sputtering were developed and tested in regard to their catalytic activity for methanol oxidation by employing a temperature-programmed reaction (TPR) technique. The composition and structure of the samples were characterized by X-ray photoelectron spect…
Styrene–ethylene–butylene–styrene and its blends containing 10, 30 and 50 wt% polystyrene were subjected to batch foaming using physical blowing agent carbon dioxide. At higher foaming temperatures (80–110℃), complex viscosity ( η*) and storage modulus ( E′) were found to control the volume expansion ratio and the shr…
Nanoparticle (NP) association with macromolecules in a physiological environment forms a biocorona (BC), which alters NP distribution, activity, and toxicity. While BC formation is dependent on NP physicochemical properties, little information exists on the influence of the physiological environment. Obese individuals…
Carbon nanotube (CNT) is believed to be the most promising material for next generation IC industries with the prerequisite of chirality specific growth. For various approaches to controlling the chiral indices of CNTs, the key is to deepen the understanding of the catalytic growth mechanism in chemical vapor depositi…
Biological methods of nanoparticles synthesis are ecologically sound and sustainable alternative to the conventional methods. On the basis of aforesaid premise, the present study deals with the optimization and fabrication of gold nanoparticles (Au-NPs) using easily available bio-resource, Delonix regia leaf extract.…
We report a one-phase aqueous growth of fluorescent gold nanoclusters (AuNCs) with tunable emission in the visible spectrum, using a ligand scaffold that is made of poly(ethylene glycol) segment appended with a metal coordinating lipoic acid at one end and a functional group at the other end. This synthetic scheme exp…
A series of white emitting phosphor of KMgLa (PO 4 ) 2 :Dy 3+ were synthesized via high temperature solid-state method, and the luminescence properties were systematically investigated. Under the 349 nm ultraviolet excitation, KMgLa(PO 4 ) 2 :Dy 3+ shows the 481 nm (blue) and 575 nm (yellow) emission peaks, which are…