Materials Literature
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Thermoplastic starch was prepared from potato starch using Glycerol as the plasticizer. It was shown to have modified crystallinity and better thermal stability as compared to native starch. The complexation of the plasticizer with the starch also resulted in a shift of the O-H and C-H bands on the FT-IR spectra indic…
In this work, MoS 2 microsphere was synthesized by hydrothermal reaction, in which thiourea (CS(NH 2 ) 2 ) was used as S-source and reducing agent, ammonium heptamolybdate ((NH 4 ) 6 Mo 7 O 24 .4H 2 O) was used as Mo-source. The influence of temperature, as well as different dispersing agents, on the reaction product’…
Polypyrrole (PPy) coated cotton yarns were prepared by the vapour phase polymerisation technique at various initiator concentrations. Iron (III) chloride (FeCl3) was used as the initiator at four different concentrations (0.2, 0.4, 0.6 & 0.8 mol/l) respectively. In this work, the effects of initiator concentration on…
ZnS nanoparticles were synthesized by Microwave assisted irradiation method. The obtained ZnS nanoparticles were characterized by XRD, SEM and UV-Vis spectroscopy. XRD characterization of the samples were taken which verify the crystalline form of the samples and also the average size of the nanocrystallites were meas…
A p-CuO/n-ZnO:Sn heterojunction solar cell has been fabricated on glass substrate in steps using Edwards AUTO 306 vacuum coater system.Copper oxide has energy band gap of the range 1.21-2.1 eV while tin doped zinc oxide (TZO) has good transmittance properties.A solar cell with thickness of 250nm of p-type copper oxide…
Cubic α- and hexagonal β-phase lanthanide luminescent NaYF4:Eu3+/Tb3+ nanostructures with diverse morphologies were successfully synthesized via a mild solvothermal method. The effects of the synthetic parameters on the crystal phase structure, size and morphology of NaYF4:Eu3+/Tb3+ nanostructures were systematically…
Four cost effective organoclays were synthesized, characterized, and studied for the sorption of hydrophobic compounds (edible oil/grease and hydrocarbon oil) from aqueous solutions. Organoclays were prepared by cation exchange reaction of lattice ions (present onto the surface of laterite and bentonite clay minerals)…
Series of manganese clusters derived from 2-pyridylcyanoxime with Mn3(II) (1), Mn4(II) (2a, b), Mn(II)4Mn(III)4 (3), Mn(II)2Mn(III)6Mn(IV)2 (4) and Mn(II)3Mn(III)6Mn(IV) (5) cores have been characterized. Dc magnetic measurements reveal antiferromagnetic coupling for 1-4 and dominant ferromagnetic interactions for 5 w…
Although chrome is considered as the major tanning agent in the production of all types of hides and leather worldwide, it represents a serious source of environmental pollution. Therefore, polyamidoamine hyperbranched polymer (HPAM) was involved in pretanning of the depickled hides to enhance the chromium uptake duri…
Graphene decorated with ZnO nanoparticles (G–ZnO hybrids) were prepared on n-Si substrates. The microstructures and chemical states of these hybrids were analyzed. Based on these experimental results, a field emission enhanced mechanism of the G–ZnO hybrids related to stable oxygen groups in the form of cyclic edge et…
Plasmonics have been proven to be an effective way to harness more incident light to achieve high efficiency in photovoltaic devices. Herein, we explore the possibility that plasmonics can be utilized to enhance light trapping and power conversion efficiency (PCE) for polymer-quantum dot (QD) hybrid solar cells (HSCs)…
Fluorescent bis(pyridinylvinyl)anthracene (An2Py) with two pyridine terminals was synthesized and used to prepare miscible blends with hydroxyl-containing components (organic bisphenol A (BPA) and polymeric poly(vinyl phenol) (PVPh)) through the facile intermolecular hydrogen-bond (H-bond) interactions between the pyr…
Building controlled and tunable multiplex nanoheterostructures (NHSs) is critical for renewable energy and biosensor applications. In this paper, we demonstrate a facile and highly efficient method to functionalize one-dimensional (1D) colloidal II–VI semiconductor nanowires with a high coverage of single-stranded DNA…
Four kinds of nanostructural morphologies, ribbons, orderly patterned threads, tubes and vesicles, were obtained in a two-component self-assembly system of an adamantane based gelator and β-cyclodextrins (CD) via host–guest interactions and solvent tuning. First, the gelator was gelled in DMF giving a nanoribbon struc…
Uniform chain-like GeO2–Zn2GeO4 nanostructures were fabricated in a high yield by a vapor-phase reaction of Ge vapor and Zn vapor in a tube furnace system. In this structure, numerous GeO2 nanobeads attached the long Zn2GeO4 nanowires to form the hybrid GeO2–Zn2GeO4 nanochains. The formation process, structure and mor…
An intrinsic shortcoming of self-organizing materials is their susceptibility to structural changes by mechanical forces and exposure to chemicals and radiation. Cross-linking of the molecules in the desired supramolecular structure is a generally applicable pathway to structurally more stable materials but is difficu…
We investigated optical properties of three‐dimensional (3D) assemblies of Au nanoparticles (NPs), which were fabricated by dewetting of thin Au layers on anodic aluminum oxides (AAO). The NP assembly had hexagonal array of repeated multiparticle structures, which consisted of six trimers on the AAO surface and one la…
The growth conditions required to obtain high-quality layered-perovskite Nd2Ti2O7 thin films with a monoclinic structure on both (100)- and (110)-oriented SrTiO3 substrates by pulsed laser deposition are investigated. To synthesize the expected ferroelectric crystalline phase (and optimize the crystallization), two ma…
This paper reports on fabrication of water-compatible palladium nanoparticle (PdNP) catalysts supported on microporous polymers, which show high activity and extremely low Pd leaching behaviour in the usage for carbon cross-coupling reactions. The supported PdNP catalysts were fabricated by utilizing the polymerizatio…
The corrosion inhibition effect of Rabeprazole sulfide (RS) on mild steel in 1 M hydrochloric acid (HCl) was investigated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and chronoamperometric measurements. Protection efficiency of RS increases with the concentration and…