Materials Literature
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Abstract Superelastic materials (crystal‐to‐crystal transformation pseudo elasticity) that consist of organic components have not been observed since superelasticity was discovered in a Au‐Cd alloy in 1932. Superelastic materials have been exclusively developed in metallic or inorganic covalent solids, as represented…
The interaction between a hydrophobic-functionalized PAMAM dendrimer (PAMAM-NH2-C12, 25%, G4) and bovine serum albumin (BSA) has been investigated by circular dichroism (CD), UV-vis, and fluorescence spectroscopic methods and molecular modeling. The analysis of the effects of dendrimer complexation on the stability an…
Layered hydroxides (LHs) have recently fascinated researchers due to their wide application in various fields. These inorganic nanoparticles, with excellent features as nanocarriers in drug delivery systems, have the potential to play an important role in healthcare. Owing to their outstanding ion-exchange capacity, m…
Self-cleaning properties inspired by the structures and functions of some creatures are of great interest since the late 20th century. In this paper, TiO2 coatings with hierarchical rutile TiO2 flowers on fluorine-doped tin oxide substrate are fabricated through a simple one-step hydrothermal method. The flower-like c…
In the present paper, we present results of thermal conductivity measurements in free standing carbon nanotube (CNT) yarn-like fibers. The measurements are made using a T-type experimental configuration utilizing a Wollaston-wire hot probe inside a scanning electron microscope. In this technique, a suspended platinum…
Fluorescence background and problems with proper signal referencing severely disrupt the read-out of luminescence sensors and images. We present a pH sensor film in combination with a simple read-out technique that overcomes issues of background signals and autofluorescence. It consists of micrometer-sized upconversio…
A systematic study has been conducted to examine the thermal stability of layer-by-layer assembled films of perovskite-type nanosheets, (Ca2Nb3O10(-))n (n = 1-10), which exhibit superior dielectric and insulating properties. In-plane and out-of-plane X-ray diffraction data as well as observations by atomic force micro…
The glass‐transition‐, melting, and onset decomposition temperatures of a series of tailored polymethacrylates and polyacrylates are systematically investigated. Application fields of the investigated polymers include coatings, adhesives, textile, paper, cosmetics, electronics, lubricants, fuel additives, and oil‐fiel…
The potential to use ethanol as a fuel places solid oxide fuel cells (SOFCs) as a sustainable technology for clean energy delivery because of the renewable features of ethanol versus hydrogen. In this work, we developed a new class of anode catalyst exemplified by Ni+BaZr0.4Ce0.4Y0.2O3 (Ni+BZCY) with a water storage c…
The development of simulation techniques is more crucial to establish the structure-processing-properties relationship for design and optimization of advanced nanocomposites. In this work, the attempts made for the simulation of modulus in polymer/carbon nanotube (CNT) reinforced nanocomposites and the future challeng…
We report an alternative approach to lower contact resistance and extend charge transfer length by forming graphene antidot arrays under metal electrode to introduce edge contact of graphene. The edge contact resistivity of ∼2.2 × 10−9 Ω·cm2 is experimentally estimated, based on the experiment and one-dimensional equi…
We report herein a high and isotropic critical-current density Jc for BaFe2(As,P)2 epitaxial films. The isotropy of Jc with respect to the magnetic-field direction was improved significantly by decreasing the film growth rate to 2.2 Å/s. The low growth rate served to preferentially align dislocations along the c-axis,…
A synthetic approach has recently been developed which results in Cu(x)In(y)S2 quantum dots (QDs) possessing localized surface plasmon resonance (LSPR) modes in the near-infrared (NIR) frequencies.1 In this study, we investigate the potential benefits of near-field plasmonic effects centered upon light absorbing nanop…
In colloidal nanoparticle (NPs) devices, trap state densities at their surface exert a profound impact on the rate of charge carrier recombination and, consequently, on the deterioration of the device performance. Here, we report on the successful application of a ligand exchange strategy to effectively passivate the…
While boron nitride (BN) substrates have been utilized to achieve high electronic mobilities in graphene field effect transistors, it is unclear how other layered two dimensional (2D) crystals influence the electronic performance of graphene. In this Letter, we study the surface morphology of 2D BN, gallium selenide (…
The integration of high-speed light emitters on silicon chips is an important issue that must be resolved in order to realize on-chip or interchip optical interconnects. Here, we demonstrate the first electrically driven ultrafast carbon nanotube (CNT) light emitter based on blackbody radiation with a response speed (…
The galvanic replacement of sacrificial templates offers one of the most synthetically viable approaches for generating platinum-based nanostructures with impressive catalytic activity. Here, we present template design criteria for the synthesis of morphologically smooth platinum nanoshells which undergo minimal alloy…
Small molecule fluorophores are indispensable tools for modern biomedical imaging techniques. In this report, we present the development of a new class of BODIPY dyes based on an alkoxy-fluoro-boron-dipyrromethene core. These novel fluorescent dyes, which we term MayaFluors, are characterized by good aqueous solubilit…
A dual-layer composite structure composed of a metal-organic framework structure (NiHCF) with tunable open channels and typical pseudocapacitive manganese dioxide is constructed here as an electrode material for supercapacitors. This type of structure shows enhanced specific capacitance, high energy density, and excel…
Herein we describe the synthesis of nitric oxide (NO)-releasing quaternary ammonium (QA)-functionalized generation 1 (G1) and generation 4 (G4) poly(amidoamine) (PAMAM) dendrimers. Dendrimers were modified with QA moieties of different alkyl chain lengths (i.e., methyl, butyl, octyl, dodecyl) via a ring-opening reacti…