Materials Literature
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Highly aligned carbon nanotube sheets, that are transparent, flexible, and electrically conductive, have been wrapped onto a modified titanium wire to produce novel, fiber-shaped dye-sensitized solar cells. The designed coaxial structure offers a high energy conversion efficiency and stability during the deformation.
Highly dispersed Pd-nanoparticles grafted onto amino-functionalized nanocrystalline starch were found to be excellent heterogeneous catalysts for the aerobic oxidation of a variety of alcohols to their corresponding carbonyl compounds in excellent yields. The prepared catalyst was found to be selective for the oxidati…
We demonstrate that covalently functionalized multiwalled carbon nanotubes (MWCNT) with a silicone copolymer via nitrene chemistry can be used as efficient conductive fillers for silicone dielectric elastomer actuators. The MWCNTs were covalently functionalized with poly(azidopropylmethyl)-co-(dimethylsiloxane) (silic…
The generation and study of metal-hydroperoxo/metal-peroxo (LCu(II)-OOH or LCu(II)-OO˙) complexes is a fascinating area of research of many chemical and biochemical researchers, because of their involvement as active intermediates in many biological and industrial catalytic oxidation processes. For this purpose we hav…
Front-side illuminated solar cells with CdS quantum dots (QDs) incorporated with free-standing through-hole TiO2 nanotube arrays (TNAs) were developed. The solar cells, based on TNAs with different lengths that were sensitized by successive ionic layer adsorption and reaction method (SILAR) with various cycles, have b…
Reactions of lanthanide chlorides, copper hydroxycarbonate and 3,5-pyrazole dicarboxylic acid (H3pdc) under hydrothermal conditions result in six new 3d-4f heterometallic coordination polymers with two types of structures. Compounds [CuLn2(pdc)2(Hpdc)(H2O)4]·2H2O (Ln = Tb (1), Dy (2), Er (3), and Y (4) exhibit a layer…
In this study, we synthesized C–Fe3O4–C core–shell nanotubes through a facile chemical vapor deposition (CVD) method using Fe2O3 nanotubes as the self-templates. The hydrothermal product α-Fe2O3 hematite exhibits a tubular structure with an inner diameter of 70–100 nm, a wall thickness of 10–20 nm, and a length of 300…
Thin film field-effect transistors based on binary blends of poly(3-hexylthiophene) (P3HT) and two perylene diimide (PDI) derivatives with different alkyl substituents have been investigated in terms of device performance, microstructure and molecular organization on the surface. For the same blend ratios the PDIs pha…
An investigation into the substituent effect of halogen atoms (F, Cl, Br) on the crystal structure of indole-3-carboxylic acid (ICA) was prepared in this work. The investigation was done through the aspect of crystal structure, intermolecular interactions and π⋯π stacking motifs with the assistance of infrared spectra…
The self-assembly of transition metal salts with 5-(pyridin-4-yl)isophthalate ligand and N-donor ligands affords a series of entangled coordination frameworks based on different metal cluster cores, namely, [Co(L)(H2O)2]·H2O (1), [Ni(L)(H2O)]·H2O (2), [Co4(L)2(SO4)(H2O)5(OH)2]·15.5H2O (3), [Co2(L)2(2,2′-bpy)2]2·H2O (4…
We report a polymer light-emitting diode (PLED) using solution processed tungsten-oxides (WOx). Coating of a thin WOx layer on PEDOT:PSS increases the current efficiency of PLED from 9.11 to 9.90 cd A−1 because of the improved conductivity of the PEDOT:PSS due to the incorporation of WOx. Improvement of the conductivi…
A new concept of an "oxygen shuttle" type battery for Mg-air solid oxide batteries using a Ca-stabilized ZrO2 electrolyte was proposed and studied. The observed open circuit potential and discharge capacity were 1.81 V and 1154 mA h gMg(-1) (52% of the theoretical capacity), respectively.
To investigate the synergistic effect of multi-nanofillers in a superabsorbent nanocomposite, a poly (sodium acrylate–acrylamide) superabsorbent nanocomposite incorporating graphene oxide and halloysite nanotubes (PAA-AAm–HNT–GO) was synthesized via the inverse suspension polymerization method. Graphene oxide (GO) was…
We demonstrate here a simple one-pot approach to directly fabricate hierarchical hollow anatase TiO2 spheres with a mesoporous shell architecture, which show improved visible light photocatalytic activity owing to their unique structure.
A hydrogen economy is needed, in order to resolve current environmental and energy-related problems. For the introduction of hydrogen as an important energy vector, sophisticated materials are required. This paper provides a brief overview of the subject, with a focus on hydrogen storage technologies for mobile applic…
Six new transition metal coordination polymers, namely, [Co(1,2-BDC)(L)1.5(H2O)] (1), [Co(1,3-BDC)(L)(H2O)2]·H2O (2) [Co(5-AIP)(L)0.5(H2O)]·2H2O (3), [Cu(1,2-BDC)(L)] (4), [Cu(1,3-BDC)(L)(H2O)]·3H2O (5), and [Cu2(5-AIP)2(L)2(H2O)]·6H2O (6) (L = N,N′-di(3-pyridyl)octanediamide, 1,2-H2BDC = 1,2-benzenedicarboxylic acid,…
This paper presents the syntheses and crystal structures of four copper(II)–uranyl(VI) compounds [{CuIILOEt–en}2·{(UVIO2)(NO3)2(H2O)2}] (1), [CuII(MeCN)LOEt–pn(UVIO2)(NO3)2] (2), [(UVIO2)2(μ-H2O)2(NO3)4]∙4[CuIILOEt–py(H2O)]∙2MeCN (3) and {[CuIILOMe–en(UVIO2)(NO3)]2[(UVIO2)2(μ-HO)2(NO3)4]}n (4), where H2LOEt–en, H2LOEt…
The practical application of two different voltammetric ion selective electrodes (VISE) to measure ion activity in complex solutions has been explored. 7,7,8,8-tetracyanoquinodimethane (TCNQ) and tetrathiafulvalene (TTF) microcrystals adhered to an electrode surface act as a low selectivity voltammetric ion sensor. Re…
Wet chemical etching of multicrystalline Si wafer in mixtures of hydrofluoric (HF) and nitric acid (HNO3) combines the removal of the saw damaged silicon lattice on top of the wafer with the creation of a certain surface morphology (texture) on the surface of the underlying bulk silicon. However, it is yet unclear how…
Among various candidate materials, Cu2ZnSnS4 (CZTS) is a promising earth-abundant semiconductor for low-cost thin film solar cells. We report a facile, less toxic, highly concentrated synthetic method utilizing the heretofore unrecognized, easily decomposable capping ligand of triphenylphosphate, where phase-pure, sin…