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·Chemical bath deposition CBD method was used to deposit CdS thin films on soda lime glass substrates by using n methylthiourea NTU as an alternative sulphur source and were compared to typical thiourea TU precursor The sulphur source concentration was varied from M to M and the impact on the microstructural surface morphology optical and
·The interaction between the sulfur molecules is weak in the lightly doped low concentration of impurity films and the impurity gives rise to an impurity level while an impurity band in the band gap of the C 0 lattice is derived from the strong overlap of molecular orbitals of sulfur molecules in the heavily doped high concentration of
·The first mention of the sulfur effect on catalyst particles in the production of carbon material appeared in 1972 [63] However the first attempt to systematically examine the sulfur influence on carbon deposition was realized only twenty one years later in the CVD synthesis Kim et al [64] employed different amounts of hydrogen sulfide for pretreatment of a
1 ·This study reveals the autocatalytic growth of Li2S crystals at the solid liquid interface in lithium sulfur batteries enabling good electrochemical performance under high loading and low
·The second step was a simultaneous decrease in solvent volume sulfur and copper concentrations in order to remove undesirable phases The third step was a vacuum annealing of CMTS thin films at different temperatures 225 300 375 and 450 °C for 1 h in order to improve more physical properties
·The carrier concentration n of graphene can be estimated from the following equation 1 n = C 0 V Dirac e where C 0 is the back gate capacitance of nF/cm 2 for 300 nm SiO 2 /Si [27] In addition the electrical properties of SG film in this work have been compared with those of reported SG films by using sulfur content bonding
·In APT sulfur ion concentration has a profound effect on the growth rate of SnS 2 thin film As the sulfur concentration increases there will be more availability of S 2− ions to interact with the Sn 4 ions in the bath Also with the increase in sulfur ion concentration there will be more dissociation of thioacetamide with the creation of
·Another study with films grown with mixtures of C 2 H 2 and SF 6 gases has indicated the presence of small sulfur concentrations of the order of % leading to films with surface characteristics considerably different from those without sulfur [11] Optical gaps E 03 and E 04 as function of SF 6 concentration in films grown by PECVD
·We have investigated the effect of sulfur concentration [S]/[Mo] = 0 10 at % on nanostructural optical and electrical properties of MoO3 thin films grown on glass substrate by spray pyrolysis
·Sulfur is the most abundant multivalent inorganic non metal on the earth s crust Also more than 60 million tons of elemental sulfur are produced annually the majority of which are produced as a by product of the hydrodesulfurization process in the petroleum refining process [1] Sulfur is the most diverse element used in various biomedical fields due to its
·sulfur concentration in mass percent or mg/kg or both A minimum of three groups of calibration samples are required to span the concentration range % to % by mass % to % by mass and % to % by mass sulfur See Practice D7343 5 Signi cance and Use This test method provides rapid and precise measure
·The XRD analysis confirmed that ZnS films crystallize in the 1 1 1 zinc blende structure and the calculated crystallite sizes were increased for spray deposition and decreased for chemical bath deposition as an increased sulfur amount in the films The higher sulfur concentration using both deposition methods showed small sphere like
·The results show that the doping concentration doping configuration and electrical properties can be effectively tuned via the hydrogen flux The sulfur doping concentration is as high as at% and the maximal mobility of SG can reach up to 270 cm 2 V −1 s −1 which are the highest ever reported for sulfur doped graphene
·The influence of sulfur concentrations on the growth of ZnS thin films were investigated by low cost chemical spray pyrolysis and chemical bath deposition techniques The deposited ZnS films showed the major peaks at 1 1 1 zinc blende structure from X ray diffraction The FESEM analysis resulted that the deposited films were identified as sphere like
·These results are also similar to some sulfur containing thin films in the literature For example Ebrahimi et al investigated the effect of sulfur ratio on ZnS thin films produced by the spray
·A fixed film continuous flow photobioreactor was used for the removal of hydrogen sulfide from synthetic industrial wastewater and conversion of it to elemental sulfur using sixteen 150 mm length Tygon tubes as the active part of the Three different tube sizes internal diameters ID and mm were used to investigate the effect of tube
·The present work is to investigate the influence of CaCO3 in NR latex films on cross link concentrations and to study the relationship between cross link concentrations and CaCO3 loadings NR latex films were prepared from 10 pphr until 40 pphr CaCO3 loadings before evaluating the cross link concentration by the Flory Rehner equation and the samples were
·The surface electron concentration of MoS2 is nearly four orders of magnitude higher than that of its inner bulk Substantial thickness dependent conductivity in MoS2 nanoflakes was observed
·Natural rubber latex NRL films have high elasticity and flexibility and are excellent protection barriers against micro organisms For this reason NRL is often used in the manufacture of medical products such as gloves condoms blood transfusion tubes and catheters The objective of this study was to evaluate the effect of two accelerators ZDEC and
·When the sulphur ion concentrations changed the temperatures and time used to grow the CdS films remained constant in all four cases As Ashok et al 2020 showed at lower temperatures the liberation of cadmium and sulphur ions will be less when using 65 °C and dominated by the ion by ion reaction mechanism whereas the liberation of
·The breakdown of the passive film occurs above a threshold concentration of sulphur at the interface which is of the order of one monolayer EXPERIMENTAL RESULTS AND DISCUSSION Aging of the passive film on sulphur free Ni and Ni Fe alloys The pure Ni and Ni75Fe25 samples were passivated at 900 mV SHE Constant residual currents in the
·To maintain the tendency towards lower cost and sustainability of innovative battery technologies one challenge is the development of high energy ecofriendly devices based on the potassium sulfur K S system using efficient sulfur based cathodes A free standing flexible carbon nanotube/sulfur CNT/S composite cathode based on CNT film to form a
·the concentration range Figure 1 shows the calculated versus given concentrations for the calibration range of 0 1000 mg/kg The R2 value equals with a RMSE root mean square error of ppm A second order calibration curve was used to relate the net sulfur peak intensity to the sulfur concentration Validation and repeatability
·The nanowire structure with a high concentration of sulfur in the solution is a promising way to improve the Bi 2 S 3 thin film solar cell Discover the world s research 25 million members
·An additional increase in the sulfur concentration led to a significant change in CdS morphology The CdS film surface changed from a granular structure to a more compact homogenous and a dense
·The sulfur ion concentration dependent morphological evolution and its subsequent effect on photo electrochemical properties of chemically synthesized CdS thin films have been systematically investigated The plausible growth mechanism for the morphological evolution of CdS thin films due to a change in sulfur ion concentration has been proposed
