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The electrical conductivity of mantle and transition zone minerals is known with reasonable precision and can be used to model the deep Earth. In olivine, small polarons (Fe3+ on an Mg-site) and magnesium vacancies govern the conductivity at oxygen fugacities of the mantle. Their relative importance varies with tempera... | 1 |
DNA biosensors have gained increased attention over traditional diagnostic methods due to their fast and responsive operation and cost-effective design. The specificity of DNA biosensors relies on single-stranded oligonucleotide probes immobilized to a transduction platform. Here, we report the development of biosensor... | 1 |
We report an efficient sample preparation method (freezing) for onsite fat and meat analysis via a specially designed thermoelectric cooling and temperature-controlling system. This investigation also focused on the effect of phase change on the sensitivity and reproducibility of LIBS emission signals and plasma parame... | 1 |
Since, the majority of the Algerian desert area enjoys plenty of sun and abundance of huge underground water sources, the stand alone photovoltaic pumping system (PVPS) is an appropriate solution to supply water for domestic, livestock and irrigation in remote locations. In this view, a comparison study has been carrie... | 0 |
Indium-free and acid-resistant anatase Nb-doped TiO2 (NTO) electrodes are promising as economical substitutes for high-cost Sn-doped In2O3 (ITO) films used in organic photovoltaics. By rapid-thermal annealing under an ambient vacuum, an insulating amorphous NTO film of low transparency was changed dramatically into a t... | 0 |
The capability to functionalize the interior channels and/or high internal surface areas of mesostructured inorganic–organic or porous inorganic solids with specific organic or inorganic moieties has dramatically expanded the potential applications for these versatile materials in catalysis, separations, optical and op... | 0 |
Resistance to antimicrobial therapies poses a serious threat to health and socioeconomic development. To counter this, various strategies are often explored, including multiple barrier protection, such as high hygiene standards and a number of control measures. Currently, a lot of attention is being focused on developi... | 1 |
The low potentials generated by individual thermoelectric and thermogalvanic ‘heat to electricity’ elements necessitate that numerous cells be placed electrically in series to generate useful voltages. The thermoelectrochemistry of two redox couples with opposite signs for their Seebeck coefficients have therefore been... | 1 |
In order to characterize the electron and thermal transport properties in splat-cooled U-T alloys (T is transition metal), we measured the thermopower S and thermal conductivity κ of selected splat-cooled U-Mo alloys with 0, 11, 12.5, 15 and 17at % Mo concentrations, as a function of temperature. Additionally, we compa... | 1 |
Stand-alone hybrid renewable energy systems usually incur lower costs and demonstrate higher reliability than photovoltaic (PV) or wind systems. The most usual systems are PV–Wind–Battery and PV–Diesel–Battery. Energy storage is usually in batteries (normally of the lead-acid type). Another possible storage alternative... | 0 |
Novel hyperbranched polythiophenes containing unsymmetrically substituted thiophene units have been synthesized. These materials are designed to have conjugation gradient in their structure and be capable of light harvesting. Study of their optical properties shows a broad-band absorption, strong fluorescence, and an e... | 0 |
The present work reports the facile and cost-effective synthesis of rod like structured nickel doped bismuth sulphide (Ni-Bi2S3) via the ultrasonication process. The sonochemical synthesis technique is rapid, simple, non-explosive, and harmless than other conventional synthesis technique. After the synthesis, the resul... | 1 |
Using bulk crystals of CuInSe2 (CIS) grown in an evacuated sealed quartz ampoule, diffusion of zinc in the temperature range (550–700°C) was investigated. The computation of the parameters showed a coefficient of diffusion D Zn varying from 10−11 to 10−10 cm2 s−1 and an energy of activation of 0.41eV. The results of op... | 0 |
A kinetic analysis has been made of the interaction of α-Hb chains with a mutant α-hemoglobin stabilizing protein, AHSPV56G, which is the first case of an AHSP mutation associated with clinical symptoms of mild thalassemia syndrome. The chaperone AHSP is thought to protect nascent α chains until final binding to the pa... | 1 |
Benefiting from molten salts as reaction media, molten salt synthesis (MSS) offers advantages such as control of local reaction conditions to tailor material characteristics, the production of uniform and homogeneous crystallites, as well as reduced energy consumption and emissions. In this study, we successfully synth... | 1 |
Photovoltaic (PV) has recently undergone impressive growth and substantial cost decreases. A single-crystal silicon (mono-Si) or polycrystalline (poly-Si) have been dominant for solar rooftop and in commercial buildings installation in the past years. However until recently thin-film PV modules both amorphous silicon (... | 0 |
Germanium antimony tellurium (GeSbTe) thin film has been deposited by the RF magnetron sputtering from the initial material target of the 1:1:1 atomic ratio. The GeSbTe thin film was annealed by furnace at 473K, 523K, 573K and 623K samples for 1h under ultra-high vacuum. The samples were analyzed by X-ray diffraction (... | 1 |
We investigated an inverted organic photovoltaic device structure in which a densely packed ~100nm thin TiO2 layer on fluorine doped conducting glass serves as anode and poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate)/Au layer on top of the active layer serves as cathode. The active layer is comprised of a ble... | 0 |
As part of the Pacific '93 Oxidant Study that took place in the summer in the Lower Fraser Valley of British Columbia, we conducted measurements of isoprene, and its oxidation products methyl vinyl ketone (MVK) and methacrolein (MACR) at a surface site about 40 km east of the city of Vancouver. Hourly measurements were... | 1 |
Electronic, thermodynamic, transport, and thermoelectric properties of pristine graphene (C8) and graphene doped with dual nitrogen (N) atoms in three different configurations were theoretically studied. All three configurations display a direct band gap and are n-type semiconductors. Notably, at room temperature, N3-d... | 1 |
Photovoltaic (PV) applications, gaining worldwide interest during the last years, comprise a promising renewable energy based solution, able to considerably contribute to the constantly increasing energy demand of our planet. Currently, residential applications possess a considerable share of the global PV market since... | 0 |
We have detected voltages between ohmic electrodes on Si wafers when a cleavage occurs at one of the contacts. Samples were measured at room temperature (RT) in air and under liquid nitrogen. The detected signals are positive for p-type and negative for n-type samples, show a temporal decay profile consistent with cool... | 1 |
Polycrystalline silicon (poly-Si) thin-films have the potential to overcome the limits of today's silicon thin-film solar cell technology because of the chance to grow high-quality material by low-cost deposition techniques. As poly-Si thin-film fabrication is independent of rather slow and costly PECVD processes, it i... | 0 |
The sports facilities are characterized by special energy needs different from any other user and they are characterized by high heat and electricity loads. For this reason, the aim of this work has been to propose a tool to provide a preliminary estimation of the power and energy required by the sports centres. In add... | 0 |
Three conjugated copolymers containing thiadiazolo[3,4-c]pyridine as electron- withdrawing unit were synthesized. The introduction of thiadiazolo[3,4-c]pyridine led to enhanced π–π stacking of the polymer in film and an unexpected non-ohmic contact on the interface of the polymer and hole extraction layer. PBDTT-T-DTPy... | 0 |
We have fabricated polymer solar cell devices based on poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) and incorporating one-dimensional nanostructured acid-doped polyaniline nanotubes (a-PANINs) as an interfacial layer. The power conversion efficiency of an annealed device incorporating t... | 0 |
Thin film coating technology has leveraged different characteristics of an element deposited on a substrate by altering or improving its performance. The improvements in transparency, scratch-resistant, conductivity of electricity, transmission of signals, durability, which are typical in applications such as optoelect... | 1 |
The integration between biofuels and chemicals production from biomass stimulates the transition to the inevitable bioeconomy era; this era can be achieved by implementing new technologies in existing industrial units where waste streams and by-products can be used as a renewable source of raw materials for the product... | 1 |
Thermodynamic quantities (including Debye temperature and frequency, atomic mean-square displacement, specific heats at constant volume and constant pressure, linear thermal expansion coefficient, and total entropy) of face-centered cubic ytterbium metal have been studied by means of the statistical moment method in st... | 1 |
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This paper studies the impact of large-scale photovoltaic (PV) generation, up to 50% penetration level, on distribution system voltage regulation and voltage stability. The system voltage profiles are computed using power-flow calculations with load variation of a 24-h time scale. The steady-state voltage stability is ... | 0 |
A chromatographic technique is introduced based on single-walled carbon nanotubes (SWCNTs) as stationary phase for separation of Ar, CO2 and H2 at parts per million (ppm) levels. The efficiency of SWCNTs was compared with solid materials such as molecular sieve, charcoal, multi-walled carbon nanotubes and carbon nanofi... | 1 |
The flash evaporation method was used to fabricate high-performance p- and n-type Bi2Te3-based thermoelectric (TE) thin films. Optimized technological conditions of film preparation, as well as subsequent annealing, give the possibility to achieve a significant improvement in the TE properties of the designed TE films,... | 1 |
In this paper, a novel phase change material (PCM) based Thermoelectric (TE) food storage refrigerator incorporating an integrated solar-powered energy source is introduced. The novelty aspects of this research lie in the unique combination of PCM with solar energy, not only to maintain temperatures below 5 °C, vital f... | 1 |
The maximum temperature difference, which is corresponding to the optimal current, is important for evaluating the performance of thermoelectric coolers (TECs). As a representative of the thermoelectric leg with non-constant cross-section, the pyramidal thermoelectric leg has more advantages than the traditional cuboid... | 1 |
In this paper, two control strategies involving “continuous” and “ON/OFF” operation of the diesel generator in the solar photovoltaic–diesel–battery hybrid systems are modeled. The main purpose of these developed models is to minimize the hybrid system's operation cost while finding the optimal power flow considering t... | 0 |
The literature on vibrational thermodynamics of materials is reviewed. The emphasis is on metals and alloys, especially on the progress over the last decade in understanding differences in the vibrational entropy of different alloy phases and phase transformations. Some results on carbides, nitrides, oxides, hydrides a... | 1 |
Successful development of renewable energy technologies like solar photovoltaic energy (SPV) critically relies on its understanding and acceptance by consumers and institutional customers. Even in contexts of favorable support at the general level like in Brazil, their implementation faces multiple challenges, includin... | 0 |
We report on the electrical and optical characteristics of a-Si:H/c-Si heterojunction solar cells with point-contact junction via patterned SiO2 layer at the interface. The new structure showed improved electrical properties, having a smaller leakage current and a larger shunt resistance. The electrical conduction of t... | 0 |
Cu2SnSe3 nanocrystals was successfully synthesized by a “hot-injection” protocol in the presence of oleylamine (OLA). The as-synthesized nanocrystals were single phase crystalline, cubic crystal structure, and high monodispersity with an average diameter of 5nm. The thermoelectric properties of these dense materials co... | 1 |
New dithienogermole-based conjugated polymers were synthesized by the Stille coupling reactions of distannyldithienogermole and dibromoarene, and their photovoltaic properties were studied. These polymers possess low band gaps with broad absorptions covering the 400–800 nm range, and exhibit good film forming propertie... | 0 |
To address the challenge of the growing global energy crisis and the greenhouse effect, employing the thermoradiative effect of photodiodes to harvest radiative energy from colder outer space is considered a promising approach for direct nighttime renewable energy generation. By considering the coupled effect of the at... | 1 |
We present a short summary of experimental and theoretical studies on the isostructural intermetallics Ce5CuM3 (M=Sn, Pb and Bi), crystallizing in the hexagonal Hf5CuSn3-type structure (space group P63/mcm). The investigated compounds are found to undergo multiple magnetic phase transitions at low temperatures. We disc... | 1 |
A new class of organometallic/inorganic hybrid Langmuir–Blodgett (LB) films, consisting of rigid-rod alkynylplatinum(II)–zinc(II) porphyrinate complex (OMA) as the π-conjugated donor–acceptor-type molecule and tungsto(molybdo)phosphoric heteropolyacids (HPA) (HPA = H3PMo12O40 and H3PW12O40, abbreviated as HPMo12 and HP... | 0 |
This paper describes a low-speed wind energy harvesting system that transfers aerodynamically induced flutter energy into electrical energy. A random airflow generates mechanical vibrations due to the fluid–structure interaction between a flexible belt and the airflow. An electromagnetic resonator with copper coils and... | 1 |
This article reports on the use of ZnO films in silicon thin film p–i–n solar cells and modules. It summarizes the status in the final phase of a joint research project aiming at the development of high-quality ZnO/glass substrates feasible for an industrial solar module production. The samples were prepared by reactiv... | 0 |
The design of supercapacitor materials with both high areal capacity (C) and high mass loading is vitally important for enhancing energy density (E). Herein, we prepared a NiCoOH/NiCoOOH composite film consisting of NiCoOH/NiCoOOH nanosheets on an expanded graphite paper (EGP) by using a facial anodization method. The ... | 1 |
Measurements of particle size distribution was made in one location of an urban area in the period January–September/2015 in order to understand the sources and mechanisms influencing ultrafine particle (UFP) number concentrations (PNC2.5-250) using a Scanning Mobility Particle Sizer Spectrometer (SMPS). k-means cluste... | 1 |
A new instrument for production and analysis of samples created by mass-selected ion beam deposition is described. The deposition beamline makes use of a novel phase-space compressor that improves the focusability of the beam at low energies, allowing use with low current cluster ion sources. To illustrate the method, ... | 0 |
Self-consistent scalar relativistic band structure calculations for AMO (A=Li, Na, K and Rb; M=Ag and Cu) compounds have been performed using the tight-binding linear muffin-tin orbital (TB-LMTO) method within the local density approximation (LDA). At ambient conditions, these compounds are found to crystallize in tetr... | 1 |
This chapter focuses on number of major trends underlying the continuing effort to realize practical optoelectronic, electronic, and information-processing devices based on ensembles of quantum dots assembled in a variety of matrix materials. The great diversity of such structures has opened the possibility of numerous... | 1 |
Polyethylene glycol (PEG) and trimethylolpropane triacrylate (TMPTA) were used as photo-crosslinkable polymer electrolytes for dye-sensitized solar cells (DSSCs). PEG and trifunctional TMPTA formed a crosslinked structure upon light illumination, as confirmed by the solubility test and FTIR spectroscopy. In order to ma... | 0 |
Passive personal thermal management based on radiative cooling textiles is emerging as a facile, cost-effective, and energy-efficient way for outdoor human body thermal comfort. Existing passive radiative cooling textiles are mainly built from synthetic polymers that are usually nonrenewable and non-degradable, and lac... | 1 |
In distribution system planning with photovoltaic generations (PVGs), if load is not properly modeled in the simulation, the accuracy of results will be affected. A large number of studies show that load characteristics play a impotrant role in the system analysis. This paper presented the resultant load model, and on ... | 0 |
This work investigates the electrodeposition of CdSe photonic nanostructures into two dimensional (2D) resist templates generated by X-ray lithography. This templated electrolytic infiltration process is particularly interesting for photonic and photovoltaic applications. Both current and voltage controlled electrochem... | 0 |
The use of industrial solid wastes with a high content of SiO 2 and Al 2 O 3 , called “precursors”, is often studied in the construction industry when combined with NaOH as “activator”. The precursor and activator system is generally proposed as a binder material with similar characteristics to Portland cement. In this... | 1 |
We present a novel method to remove the unwanted covellite (CuS) in Cu-rich prepared CuInS2–CdS–ZnO photovoltaic cells by a combined chemical/electrochemical procedure. Our treatment results in a solid state transformation by electrochemical reduction in an alkaline electrolyte with subsequent chemical dissolution. The... | 0 |
The objective of this paper is to compare the economics of using solar energy to operate small, multiple-effect seawater distillation systems in remote areas with the conventional method of using fossil fuels. The particular multiple-effect system used is an advanced horizontal-tube, falling-film system called “multipl... | 0 |
Highlights • UV-excited (325 nm) Raman spectra reveal leucoemeraldine form of polyaniline. • Blue line (442 nm) excited spectra are in resonance with intermediate redox form. • Green line (532 nm) excited spectra reveal all redox forms and their interconversion. | 1 |
The capacitive mixing procedure for energy extraction based on double layer expansion (CDLE) belongs to the group of so-called capmix techniques. CDLE takes advantage of the voltage rise that occurs when seawater is exchanged for river water by simply using a pair of porous electrodes that jointly behave as an electric... | 1 |
Highlights ► The modeling method for PV dc building module based BIPV system is presented. ► The coordinate control strategy for PV-DCBM based BIPV system is presented. ► The accurate small-signal model of the PV-DCBM based BIPV system is built. | 0 |
Ternary bi-metallic borides have been prepared by administrating two different solvent media utilized through co-precipitation process with particles dimension ranging from 3 to 5 nm. The X-ray photoelectron spectroscopy suggests the presence of redox states in the cobalt-nickel based bi-metallic borides that promotes ... | 1 |
Research highlights ▸ Verifying correct operation-energy yield and safety- of PV plants: crucial issue. ▸ We propose a checking procedure that completes the existing IEC 62446 standard. ▸ PV generator peak power, inverter response and earth electrode are also measured. ▸ This procedure was carried out in six PV plants ... | 0 |
Employment of renewable energy instead of fossil fuels in the textile factory reduces the problems caused by fossil fuels. This paper conducts detailed modeling of a novel integrated textile factory and power system using geothermal energy. Energy and exergy analysis are done, and the effects of changes in critical par... | 1 |
This chapter presents a theoretical thermal analysis performed for a photovoltaic (PV) module cooled by circulating water on the back side of a serpentine tube. The simulation was developed using the software Malhematica 3.0, able to interact by symbolic and numerical calculation. The hybrid collector increases solar e... | 0 |
Understanding how to influence ice adhesion to structures and prevent icing catastrophes is a paramount research question. Conventional industrial anti-icing methods are active, requiring an energy source. However, active strategies are energy intensive. Passive anti-icing surfaces have thus become an area of engineeri... | 1 |
The semiconductor band gap of the Cu(In,Ga)Se2 (CIGSe) compound can be varied by the In to Ga ratio. This composition variation determines the photovoltaic properties of CIGSe thin films. Their composition depth profile has to be optimized in order to obtain maximum efficiencies in solar cell applications. Synchrotron-... | 0 |
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We investigated Si core approximants completely terminated with hydroxyl (OH) groups for emulating a SiO2 environment by Density Functional–Hartree–Fock (DF–HF) calculations. As approximants we chose Si10(OH)16, Si35(OH)36 and Si84(OH)64, having quantum dot (QD) diameters of d QD7.3, 11 and 14.8Å, respectively. The imp... | 0 |
Excess molar enthalpies, H m E , of binary mixtures containing ethylene glycols and poly(glycols)+ethyl alcohol were measured by a flow microcalorimeter at 308.15K and at atmospheric pressure over the whole composition range. Binary mixtures contain ethyl alcohol+ethylene glycol, +di(ethylene glycol), +tri(ethylene gly... | 1 |
Recently a novel concept of water-sorbing heat exchanger has been proposed, which can independently handle latent and sensible loads at the same time and provide a very promising high-efficient solution for temperature and humidity control. Obviously, moisture uptake behavior has great influence on heat exchanger's per... | 1 |
The mechanical, electrical and thermal properties as well as thermal expansion of Al/SiC/RHA (rice husk ash) monolayer and bilayer composite have been studied using the Taguchi method and analysis of variance (ANOVA). The parameter that most significantly affects the modulus of elasticity of Al/SiC/RHA bilayer composit... | 1 |
The performance of an alkali metal thermoelectric converter (AMTEC) is restricted by the generation of surplus waste heat, so utilizing waste heat is a potential way to enhance the energy exchange efficiency of AMTEC. In this work, a novel coupling system comprised of an AMTEC, thermally regenerative electrochemical cy... | 1 |
The resistivities for carbon nanotube networks and highly conducting polymers show similar behaviour, which we ascribe to metallic conduction interrupted by barriers, but the thermopower of the two types of material is very different. The almost linear temperature dependence of the thermopower of highly conducting poly... | 1 |
Cu1.8Se1−x S x (0 ≤ x ≤ 1) thermoelectric alloys were prepared by mechanical alloying (MA) combined with spark plasma sintering (SPS) technology. The phase structure and morphologies of all the samples were characterized by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). The electrical ... | 1 |
We report the photovoltaic properties of an n-ZnSe/p-GaAs heterostructure. The n-type ZnSe films were grown by molecular beam epitaxy using Zn and Se effusion cells and ZnCl2 as an n-type dopant source. Dark and illuminated I–V characteristics, as well as the spectral response are presented. Two transport mechanisms (r... | 0 |
Maximum power point tracking (MPPT) must usually be integrated with photovoltaic (PV) power systems so that the photovoltaic arrays are able to deliver the maximum power available. The present paper proposes a maximum power point tracker (MPPT) method, based on fuzzy logic controller (FLC), applied to a stand-alone pho... | 0 |
The development of photovoltaic technology has brought in clean energy production. However, silicon is the most commonly used semiconductor in photovoltaics with power conversion efficiency (PCE) of about 18% to 22% under standard conditions. Recently, the chalcopyrite structure of I-III-VI2 constitutes ternary chalcog... | 1 |
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Poly(p-phenylene vinylene) (PPV) belongs to the class of electroluminescent conjugated polymers. They emit light when electric current is passed through them. Monomers for PPV are 1, 4-Bis-(dichloromethyl)-benzene; α, α-Dibromo-p-xylene; and chlorinated cyclophanes. Polymer cannot be processed without precursor polymer... | 0 |
The widespread use of PbTe nanocomposites requires knowledge regarding the composition of their grain boundaries. Cathodoluminescence (CL), TOF-SIMS and Rutherford backscattering spectroscopy (RBS) were used to explore the composition of surface layers formed via thermal, electrochemical, and wet chemical oxidation of ... | 1 |
We have succeeded in growing semiconductor (BaSi2)/metal (CoSi2) hybrid structures epitaxially on Si(111) by molecular beam epitaxy for the first time. When the thickness of CoSi2 was approximately 55nm, the interface between the CoSi2 and BaSi2 layers was found to be rough from transmission electron microscopy observa... | 0 |
Man's use of pigments goes back to cave-dwellings, and it is only in the last century or so that colour has become one of the foundation stones of the modern chemicals industry. The development of the plastics industry, however, brought colour to levels, which could never have been attempted before. It has also raised ... | 0 |
Highlights • YBa2Cu3O7 ceramics with c-axis preferred orientation have been prepared by sol–gel method. • c-axis preferred orientation ceramic were obtained only when calcined at 930°C and sintered at 950°C. • X-ray diffraction patterns show that the relative intensity of c-axis (00 l) is much stronger than the standar... | 1 |
Spark plasma sintering (SPS) is an emerging powder consolidating technique which promises high potential capabilities to process refractory ceramics with properties previously unattainable. As the first step in studying the applicability of this technique to the processing of tailored ceramic structures, the validity o... | 1 |
This study presents and demonstrates a methodology for calculating the economic potential of photovoltaic installations in urban areas including the previously often disregarded potential on building façades. The analysis of a 2km2 urban area has shown that building façades there provide almost triple the area of build... | 0 |
This chapter presents the current state of knowledge on tribological phenomena in cutting. The focus is on the presentation of design solutions of tribometers reflecting the frictional conditions during cutting proposed by various scientists. The analysis of the scope of research carried out by various groups of scient... | 1 |
PbTe–InSe multilayer nanocomposite structures were prepared by thermal evaporation method using layer by layer assembly with different PbTe nanocrystal (NCs) layer thicknesses ranges from 5 to 20 nm. Cross sectional transmission electron microscopy images divulge the formation of PbTe NCs embedded within InSe matrix as... | 1 |
90Sr and 137Cs activity concentrations in surface waters of the Sea of Japan (SOJ) decreased during the period of 1993–2010 with effective half-lives of 18 and 15 y, respectively. The longer effective half-life of 90Sr in the SOJ may suggest a surplus of 90Sr to SOJ surface waters, however, no clear evidence of possibl... | 1 |
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With depleting natural resources and the effects of conventional energy sources like coal and petroleum on the environment, clean energy sources have been gaining prominence in recent times. Renewable sources are abundant and improving the efficiency of renewable technologies will provide a viable solution to meet the ... | 1 |
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Cu(In,Al)Se2 thin films are investigated for their application as absorber layer material for solar cells. Films are elaborated by selenisation of multilayer metallic precursors deposited by thermal evaporation. In order to minimize the oxidation of the aluminium during the precursor deposition, an alternative depositi... | 0 |
A quasi-solid-state dye-sensitized solar cells (DSSCs) employing a commercial glue (“SuperGlue®”) as electrolyte matrix was fabricated. The cyano groups of the cyanoacrylate can form a supramolecular complex with tetrapropylammonium cations. This immobilizes the cations and therefore might lead to a favored anionic cha... | 0 |
The composite diamond/titanium electrode which has been investigated here is characterized by a multilayer structure. Termination of the diamond surface in aqueous electrolytes by CH2 and CO is supported by electrochemical measurements. A TiC-layer is formed at the phase boundary between the diamond and the titanium... | 0 |
With the increasing use of photovoltaic (PV) systems, the research studies to improve the efficiency of PV systems have gained greater interest in recent years, especially under non-uniform operating conditions and failed operation. The aim of this paper is the study, the optimization and the analysis of behavior of a ... | 0 |
We demonstrate efficient noncollinear low-threshold optical parametric oscillation in periodically poled KTP crystal pumped by the second harmonic of the Q-switched Nd:YAG laser. The noncollinear geometry provides an angular frequency tuning at fixed temperature. | 1 |
A laboratory-based closure study was completed to compare measured and modeled optical properties and their dependence on controlled relative humidity (RH) for inorganic salts, dicarboxylic acids, and their mixtures. The closure between measured and modeled values of the light scattering coefficients were evaluated by ... | 1 |
Highlights • PEDOT/rGO nanocomposite bulk is prepared by in situ micro-emulsion polymerization followed by cold-pressing and annealing. • Thermal treatment and rGO doping lead to enhanced electrical conductivity and thermoelectric power factor. • The enhanced electrical properties are mainly due to the optimized micros... | 1 |
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