Materials Literature
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We performed glow discharge N 2 or Ar plasma treatments of thin layers of graphene oxide (GO) deposited from slurry in alcohol onto stainless steel substrates. The treatment was performed in the preparation chamber of the x‐ray photoelectron spectrometer, allowing reliable in situ characterization of the treated surfa…
Although stimuli-responsive structural transformations of inorganic materials have attracted considerable attention because of their potential use as functional switchable materials, multinuclear metal cores frequently suffer from unexpected dissociation of metal cations and/or irreversible transformations into infini…
Contact-passivated sensor devices allow one to measure the response of individual ultraclean single-walled carbon nanotubes to 1 ppm NO2, and show that the activation energies for desorption from nanotubes of diameters in the 1.5–3.5 nm range are of the order of 1 eV. DFT calculations based on several exchange-correla…
Metasurfaces allow for advanced manipulation of optical signals by imposing phase discontinuities across flat interfaces. Unfortunately, these phase shifts remain restricted to values between 0 and 2π, limiting the delay-bandwidth product of such sheets. Here, we develop an analytical tool to design metasurfaces that…
Nowadays, transdermal drug delivery has become a hot topic with regard to delivery. Also, the percutaneous microneedle patch made of water-soluble material makes this technique one step closer to clinical application. The process of the microneedle patch penetrates and dissolves in the animal skin can directly reflect…
The inorganic layered crystal (ILC) MoS2 in low dimensions is considered as one of the most promising and efficient semiconductors. To enable the magnetism and keep intrinsic crystal structures, we carried out a first-principles study of the magnetic and semiconductive monolayer MoS2 adsorbed with the Mnn (n = 1-4) cl…
La0.7Ca0.3MnO3 (LCMO) thin films on (LaAlO3)0.3(Sr2AlTaO6)0.7 (001) [LSAT (001)] single crystal substrates have been prepared by high magnetic field assisted pulsed laser deposition (HMF-PLD) developed by ourselves. Uniformly sized and vertically aligned nanorod structures can be obtained under an applied high magneti…
The performances of graphene sheet in micro- and nano-electronics and devices are significantly affected by its morphology, which depends on the surface features of the supporting substrate. The substrates with non-developable concave surface are widely used with graphene sheet in applications but rarely studied. Ther…
We investigate the dynamical formation of an exciton from photo-excited electron-hole plasma and its subsequent decay dynamics in monolayer MoS 2 grown by chemical vapor deposition (CVD) using ultrafast pump and terahertz probe spectroscopy. Different photo-excited electron-hole states are resolved based on their dist…
In this study, the wetting behaviors of single droplet on a micro square-post patterned surface with different geometrical parameters are investigated theoretically and numerically. A theoretical model is proposed for the prediction of wetting transition from the Cassie to Wenzel regimes. In addition, due to the limit…
ABSTRACT Redox‐active 6‐oxoverdazyl polymers were synthesized via ring‐opening metathesis polymerization (ROMP) and their solution, bulk, and thin‐film properties investigated. Detailed studies of the ROMP method employed confirmed that stable radical polymers with controlled molecular weights and narrow molecular wei…
A series of six new subphthalocyanines (SubPcs) bearing an ethynylcarboxyphenyl anchoring unit and decorated with a variety of substituents at the peripheral position of the macrocycle have been synthesized in order to investigate the effect of the peripheral substituent on the performance of dye-sensitized solar cell…
ZrO 2 –ZrC (ZrCO) ceramic microspheres were fabricated by combination of internal gelation and carbothermal reduction process. The internal gelation broth containing carbon powders was prepared and stored at room temperature of 25°C to form a precursor of microspheres. By dropping droplets of the broth into hot silico…
Synthetic multifunctional electrospun composites are a new class of hybrid materials with many potential applications. However, the lack of an efficient, reactive large-area substrate has been one of the major limitations in the development of these materials as advanced functional platforms. Herein, we demonstrate th…
A first-order antiferromagnetic (AFM)-paramagnetic (PM) phase transition has been confirmed by systematic magnetic measurements in GeNCr3, and it does not depend on the applied magnetic fields. Interestingly, a structural transition from space group P-421m to I4/mcm without breaking tetragonal symmetry appears around…
In the present work, the damping behavior of multiwall carbon nanotubes/polymer nanocomposites has been studied by aligning the carbon nanotubes (CNTs) in the matrix using DC electric field during the curing of composite. Nanocomposite specimens have been fabricated for three different CNT loadings (0.1, 0.2, and 0.3…
Enhanced sheet conductivity of Langmuir–Blodgett assembled graphene thin films by chemical doping, Matković, Aleksandar, Milošević, Ivana, Milićević, Marijana, Tomašević-Ilić, Tijana, Pešić, Jelena, Musić, Milenko, Spasenović, Marko, Jovanović, Djordje, Vasić, Borislav, Deeks, Christopher, Panajotović, Radmila, Belić,…
Few-layer MoS2 prepared by the chemical vapor deposition method was treated with nitrogen plasma under different radio-frequency (rf) power conditions in order to experimentally study the change in the electrical property. Control of the rf power could change the work function of MoS2 from 5.40 eV to 5.06 eV. It is sh…
Anodic aluminum oxide (AAO) ceramic membranes with macroscopically aligned and hexagonally packed nanopore architecture are attractive substrates for forming nanotubular lipid bilayers as well as sorption and catalytic media because of a tunable pore diameter, robust pore structure, and low fabrication cost. Here we e…
Swelling of block copolymers by selective solvents has emerged as an extremely simple and efficient process to produce nanoporous materials with well-controlled porosities. However, the role of the swelling agents in this pore-making process remains to be elucidated. Here we investigate the evolution of morphology, th…