Showing papers in "Thin Solid Films in 2013"

TL;DR: In this paper, a review of the present literature indicates that several non-ideal recombination channels pose the main problem: (i) recombination at the interface between the kesterite and the CdS buffer, very likely due to an unfavourable cliff-like band alignment between the absorber and the buffer.

TL;DR: In this article, the authors presented a simplified demonstration model of the SCAPS (Solar Cell Capacitance Simulator), which includes band gap grading, multivalent defects and metastable transitions between defects.

TL;DR: In this article, the impact of different top and bottom electrodes, and different doping elements, on ZrO 2 dielectric properties are described, and a roadmap of the applications of ZRO 2 thin film in future low power, nanoscale microelectronic device applications is realized from this review.

TL;DR: In this paper, a review of the literature on sputter-deposited carbide films based on chemical aspects of the various elements in the films is presented, where the chemical affinities (primarily towards carbon) and structural preferences of different elements are considered.

TL;DR: In this paper, the ferroelectric behavior of silicon doped hafnium oxide has been investigated using metal-insulator-metal capacitor structures for film thicknesses of 9 and 27nm, annealing temperatures between 450 and 1000 ÂC and silicon contents from 0 to 8.5 cat%.

TL;DR: In this article, the effect of thickness on the structural, morphological and optical properties of zinc oxide (ZnO) films was investigated. And the authors found that the thickness of ZnO films varied from 98 to 366 nm with an increase in the number of deposition cycles.

TL;DR: The optical properties and electrical conductivity of highly conducting poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PSS) are reported as a function of the processing additive conditions and the results are consistent with the increase in conductivity upon the addition of DMSO.

TL;DR: In this paper, the effect of the underlying substrate on the phase formation of Ta and the influence of a changing N 2 /Ar flow ratio on hardness, phase and composition of reactively formed tantalum nitride have been investigated.

TL;DR: In this article, a solution-based chemical route for the preparation of CZTS thin film absorbers by spin coating of the precursor inks composed of Cu 3 SnS 4 and ZnS NPs and annealing in Ar/H 2 S atmosphere was proposed.

TL;DR: In this paper, it was shown that monoclinic titanium trisulphide thin films are composed by monocallinic TiS3 and showed the existence of a direct transition with an energy gap between 1.35 and 1.50 eV.

TL;DR: In this paper, the authors demonstrate the coating of graphene films grown by chemical vapor deposition to protect the surface of Ni substrates from air oxidation and demonstrate that the surface is well protected from the oxidation even after heating the specimen upto max. temperature of 500°C in air for 3h.

TL;DR: In this article, the microstructure of glancing angle deposited (GLAD) metal layers is used to extend the qualitative arguments of the structure zone model for physical vapor deposition to growth conditions with exacerbated atomic shadowing.

TL;DR: In this paper, the structural, compositional, electrical, and optical properties of the films were investigated using spin coating process using 0.2 M Zn 2 + precursor salt, monoethanolamine to Zn + ratio of 0.75, and 1 and 2 at.% aluminum as a dopant.

TL;DR: In this paper, the energy band-gap and refractive index were estimated using UV-visible absorption spectra, showing blue-shift typical of electron quantum confinement with grain size.

TL;DR: In this paper, the development of Cr−Al-N based coatings by using three different technologies, namely, conventional direct current (DC) magnetron sputtering ion plating (MSIP), middle frequency pulsed (MF) MSIP and high power pulse magnetron (HPPMS) are used.

TL;DR: In this paper, the authors investigated the change in the Cu 2 ZnSnS 4 band gap energy induced by the dominating isovalent (Zn Cu + ǫ Zn ) and the corresponding larger [(ZnCu +ǫ V Cu )] defect complexes and found that the presence of the Cu-poor defect complex lowers the formation energy of the antisite defect complex.

TL;DR: In this article, an inkjet printing method was proposed to produce three active layers in a smOLED stack: a hole-injection layer, a hole transport layer and an emissive layer.

TL;DR: In this article, the structural, sur- face morphology and oxidation states of vertical copper oxide (CuO) nanoflakes were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and Xray photoelectron spectroscopy (XPS) respectively.

TL;DR: In this article, the influence of anodizing temperature on the structural features and pore arrangement of nanoporous anodic aluminum oxide (AAO) layers was investigated, and it was found that the better nanopore order in AAO is observed, the higher temperature is applied.

TL;DR: In this paper, temperature dependent current-voltage analysis and quantum efficiency measurements were performed to study the dominant recombination pathway and the temperature dependence of the series resistance in thin-film solar cells.

TL;DR: In this paper, a simple sol-gel process for producing vanadium dioxide thin films was developed via thermolysis of V2O5·nH2O (n ≤ 2) VV precursors prepared by dissolving vanadium powder or V 2O5 powder in 30% hydrogen peroxide solutions.

TL;DR: In this article, a spray pyrolysis technique using SnCl 2 ·H 2 O and 1,1-dimethyl-2-selenourea as precursor compounds with a Se:Sn atomic ratio of 1:1 in the starting solution was used.

TL;DR: In this article, the absorbers are analyzed before and after etching by scanning electron microscopy and SIMS, and solar cells by current-voltage measurements, and an efficiency of 5% was obtained in both cases and 5.8% efficiency was the best device obtained after Br 2 -MeOH etching.

TL;DR: In this article, the interfacial contact resistance between samples and carbon paper was measured and found to be 10 and 23mΩ−∗cm 2 for TiN and CrN coating layer respectively under 150 n−cm −2 compaction forces.

TL;DR: In this article, the growth behavior and a variety of optical, structural, and electrical properties of the Ga2O3 atomic layer deposition (ALD) were investigated using gallium tri-isopropoxide (GTIP) as a gallium source and H2O as an oxygen source at a low temperature (150°C).

TL;DR: In this article, the up-to-now developed formaldehyde conductometric gas sensors are reviewed focusing on the strategies employed to enhance their response, and the effect of the grain size of conventional (thick or thin) films and diameter of the nanofibers is discussed.

TL;DR: In this paper, the influence of heterojunction formation temperature on the obtainable conversion efficiency was investigated in different types of solar cells with Al-doped ZnO (AZO)/Cu2O and AZO/non-doping Zn O (ZnO)/ZO (ZO)/C2O structures.

TL;DR: The adsorption of one to three NH 3 molecule(s) on the exterior surface of a carbon nitride nanotube (CNNT) has been investigated using density functional theory as discussed by the authors.

TL;DR: In this paper, the phase formation, stress development, thermal stability and oxidation resistance of two ternary transition metal nitride systems, namely Ti-Zr-N and Ti-Ta-N, in the whole compositional range were comparatively studied.

TL;DR: In this article, the effects of preparing conditions such as the precursor solutions concentration (H+ and Na2WO4), the additive NaCl, growth temperature and reaction time on the morphologies of WO3 nanorod arrays were systematically investigated by scanning electron microscopy, X-ray diffraction, Raman spectrum and ultraviolet visible absorption spectrum.