Materials Literature
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Atomically thin two-dimensional nanomaterials such as graphene and transition metal dichalcogenides (TMDCs) have seen a rapid growth of exploration since the isolation of monolayer graphene. These materials provide a rich field of study for physics and optoelectronics applications. Many applications seek to combine a…
A water soluble naphthalenediimide (NDI) selectively interact with small diameter single-walled carbon nanotubes (SWCNTs), as demonstrated by Raman, along with absorption and emission spectroscopies.
Recent studies showed that positron annihilation methods can provide key insights into the nanostructure and electronic structure of thin film solar cells. In this study, positron annihilation lifetime spectroscopy (PALS) is applied to investigate CdSe quantum dot (QD) light absorbing layers, providing evidence of pos…
近年来，多孔配位聚合物在气体储存、分离以及复合光、电、磁等多功能领域具有诱人的前景而备受关注。本文主要采用1-三氮唑-4-四氮唑苯有机配体分别与铜(I)、银(I)离子自组装得到2个新颖的配位聚合物，并对其组装规律和构效关系进行探索。 Recently, porous coordination polymers (PCPs) have attracted great interest on account of their potential application in gas storage and separation, and as optoelectronic and magnetic materials. In this…
This investigation deals with the magneto-optical properties of pure and manganese doped ZnO thin films in the spectral region 600 – 1200 nm. The spectra of Verdet constant (V) are determined in the same spectral region for these thin films. The magneto-optic anomaly factor γ has been expressed. The spectral dependenc…
Unsubstituted phthalocyanines of Co, Fe and Mn supported on zinc oxide nanoparticles were prepared and were well characterized with X-ray diffraction and scanning electron microscopy. The oxidation of alcohols with tert-butylhydroperoxide, in the presence of metallophthalocyanines supported on zinc oxide nanoparticles…
Electricity generation by single-chamber air cathode fuel cells (MFCs) is considerably influenced by power management system(PMS). This study showed that application of PMS connected with a single-chamber air cathode MFC significantly improved its columbic efficiencies (CEs), current, and power output. In MFC tests ba…
The paper presents a solution of the analysis concerning the behavior of the steel lattice girder under a cycle of dynamic impulse I=P·τ 0 . In this analysis I usethe theory of shakedown. I assume that this load causes anon elastic reaction which it contain dissipation of energy, so we have to continue the deformation…
The effects of two thermal annealing steps on the crystallographic orientation, film stress and crystal domain size in RF-magnetron sputtered ZnO thin films for ultrasonic transducers were investigated. As-grown films contained high levels of compressive stress introduced by the sputtering process, as well as low (002…
The physicochemical, thermomechanical, and elastic-strength characteristics of samples based on an oligoetheracrylate binder cured both under the action of only coherent UV radiation and with subsequent aftercuring in a UV oven were studied. It was established by differential scanning calorimetry that full curing of t…
Correction for ‘Enhanced resistive switching effect upon illumination in self-assembled NiWO 4 nano-nests’ by Bai Sun et al., Chem. Commun. , 2014, 50 , 13142–13145.
Zwischenbericht LuFo Verbund AUTOGLARE, Projekt ProfiRumpf Der Einsatz von Fasermetalllaminaten aus glasfaserverstärktem Kunststoff und Aluminium ermöglicht aufgrund der geringen Ermüdung, der hohen Schadenstoleranz und Restfestigkeit wesentliche Vorteile gegenüber einem Rumpfhautfeld aus monolithischen Aluminium-werk…
The use of silver nanoparticles in consumer related products has significantly increased over the last decade, especially due to their antimicrobial properties. Today they are used in a variety of products, which range from textiles to dietary supplements. Thus, investigations on nanoscale silver become increasingly i…
Samples of thin film (d∼40nm) tetrahedral amorphous carbon (ta-C), deposited by filtered cathodic vacuum arc (FCVA), have been implanted with Ga + at ion energy E = 20 keV and ion doses D=3.10 14 ÷3.10 15 cm -2 . The induced structural modification of the implanted material results in a considerable change of its opti…
This work is done to prepare multifunctional fabric by coating with nano composite made of reduced graphene oxide and TiO2 on polyester fabric. The influence of the RGO coatings on polyester fabrics imparts properties such as light absorption, conductivity, electroactivity and photocatalytic properties. With the incre…
At the outset, the primary focus of this Ph.D. project has been directed towards the synthesis of new 2,2’-dipyridylamino(dpa)- and 1,2,4-triazole(trz)- based ligands to be incorporated into spin crossover (SCO) iron(II) complexes. Initial aims sought the synthesis of a wide and diverse range of SCO compounds containi…
The demand for a clean, sustainable energy future has motivated the scientific community to research alternative sources of power. Energy is vital to the growth and quality of our civilization and is the origin of the nexus of major issues facing the world today. Issues such as clean water, adequate food, spread of di…
To improve the plastic instability of a thermoplastic polymer composite under cold forming, a copper mesh was filled into the polypropylene (PP). PP-Cu mesh composite plate specimens with the Cu mesh inclined in various directions were formed by the compression molding of the PP pellet and Cu mesh. First, the tensile…
Based on the discrete element software PFC2D, building background grid model of concrete under simulated different projectile penetration rate, in the process of penetration of concrete target, the expansion of the crack damage, and compared with the cement mortar model. In crushing zone near the projectile formation,…
Self-assembly is a key tool in the design of smart materials.The research of lowmolecular-weight gels research as smart materials has largely focused on the final assembly and its resulting properties.One major problem in this field is the lack of understanding of the relation between the initial gelator molecule and…