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Chalcogenide Letters最新文献

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(Z)-2-(pyrrolidin-2-ylidene) thiourea based nickel (II) complex as a single source precursor for the synthesis of NiS nanoparticles and thin films (Z)-2-(吡咯烷-2-酰基)硫脲基镍(II)配合物作为单源前驱体用于合成NiS纳米颗粒和薄膜
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-07-01 DOI: 10.15251/cl.2023.207.497
A. M. Jawore, T. Xaba, M. Moloto
{"title":"(Z)-2-(pyrrolidin-2-ylidene) thiourea based nickel (II) complex as a single source precursor for the synthesis of NiS nanoparticles and thin films","authors":"A. M. Jawore, T. Xaba, M. Moloto","doi":"10.15251/cl.2023.207.497","DOIUrl":"https://doi.org/10.15251/cl.2023.207.497","url":null,"abstract":"Nickel sulfides nanocrystals may be regarded as promising of materials in different research areas such as catalysts, solar cells, and electrode-materials. (Z)-2-(pyrrolidin-2-ylidene) thiourea ligand and (Z)-2-(pyrrolidin-2-ylidene) thiourea based nickel (II) complex have been prepared and utilized as single source molecular precursor for the synthesis of nickel sulfide nanoparticles and thin films. The effect of temperature was studies during the synthetic processes. The synthesized nanomaterials were characterized with various instruments. UV-Vis spectroscopy results of the nanoparticles were red shifting when the reaction temperature was increased whereas the blue shift was observed when the temperature was elevated during the preparation of the NiS thin films with the optical band gap energies ranging from 2.79 eV - 3.56 eV. All the XRD patterns for the NiS thin films confirm the predominance of pure hexagonal phase.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47209910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and tribological properties of the novel tubular MoS2/GR nanocomposite 新型管状MoS2/GR纳米复合材料的合成及其摩擦学性能
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-07-01 DOI: 10.15251/cl.2023.207.469
E. Lu, M. Q. Wu, L. Dai, X. Xu
{"title":"Synthesis and tribological properties of the novel tubular MoS2/GR nanocomposite","authors":"E. Lu, M. Q. Wu, L. Dai, X. Xu","doi":"10.15251/cl.2023.207.469","DOIUrl":"https://doi.org/10.15251/cl.2023.207.469","url":null,"abstract":"This study used a simple one-step hydrothermal method to synthesize the MoS2/GR composites with a new morphology composed of graphene nanotubes and ultra-thin molybdenum disulfide with the help of sodium chloride. The composites were characterized by XRD, XPS, SEM, TEM, and a series of characterization methods. Meanwhile, the tribological properties of the composites were studied. The results show that the addition of 1% MoS2/GR composite nanotubes has excellent tribological properties. In addition, the structure and excellent tribological properties of MoS2-C- nanocomposite lubrication materials will be conducive to designing new nanomaterials with 2D/3D structures, enhancing the anti-friction and anti-wear properties, and expanding their practical applications in industrial and agricultural fields.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45811028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of metal cations on the conductivity and interfacial stability of Li7P3S10.7Br0.3 sulfide solid-state electrolytes 金属阳离子对Li7P3S10.7Br0.3硫化固态电解质电导率和界面稳定性的影响
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-05-01 DOI: 10.15251/cl.2023.204.301
J. -. Zhou, S. Cao, X. Li, C. Shen, M. Cong
{"title":"Effect of metal cations on the conductivity and interfacial stability of Li7P3S10.7Br0.3 sulfide solid-state electrolytes","authors":"J. -. Zhou, S. Cao, X. Li, C. Shen, M. Cong","doi":"10.15251/cl.2023.204.301","DOIUrl":"https://doi.org/10.15251/cl.2023.204.301","url":null,"abstract":"The development of sulfide solid electrolyte is limited by the interface instability with lithium metal and low ionic conductivity. In this work, the effects of doping SiS2, SnS, ZnS and MnS on the ionic conductivity and interfacial stability of sulfide electrolytes are systematically investigated. The conductivity of Li7P2.9Sn0.1S10.7Br0.3 solid electrolyte was as high as 1.67 mS cm-1 . Furthermore, it is found that the critical current density was proportional to the resistivity of the doping element. The critical current density of the electrolyte was significantly increased by electronically insulating Si doping, reaching 0.858 mA cm-2 .","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42623314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical model for studying the role of ZnS-doped CdS on the performance of CZTSSe solar cells zns掺杂CdS对CZTSSe太阳能电池性能影响的分析模型
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-05-01 DOI: 10.15251/cl.2023.205.333
H. Mohamed, Shazia Ali, M. R. Ahmed, W. S. Mohamed
{"title":"Analytical model for studying the role of ZnS-doped CdS on the performance of CZTSSe solar cells","authors":"H. Mohamed, Shazia Ali, M. R. Ahmed, W. S. Mohamed","doi":"10.15251/cl.2023.205.333","DOIUrl":"https://doi.org/10.15251/cl.2023.205.333","url":null,"abstract":"This study focuses on thin-film structures made of ITO, CdS, ZnS, CZTSSe, and Mo (i.e., ITO/CdS:ZnS/CZTSSe/Mo) for solar cell applications. The effect of ZnS content on the performance of this cell has been theoretically investigated. The optical losses caused by reflection at various interfaces and absorption in ITO and CdS:ZnS layers have been calculated using the current structure's experimental data. The losses due to charge carrier recombination at the front and back surfaces of the CZTSSe absorber have been calculated using the absorber layer and depletion region parameters. It was discovered that increasing the ZnS content causes more photons to enter the absorber layer, causing the short-circuit current density to increase. Under consideration of optical and recombination losses, a maximum efficiency of about 13.75%, a fill factor of 81.6%, and an open-circuit voltage of 808 mV were obtained for ZnS-content = 0.5.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42067213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Synthesis of Mn2+ modified CdS nanoparticles and its application as catalyst in photodegradation of methyl red dye Mn2+修饰CdS纳米颗粒的合成及其在甲基红染料光降解中的应用
4区 材料科学
Chalcogenide Letters Pub Date : 2023-05-01 DOI: 10.15251/cl.2023.204.251
R. Ranjan, C. M. S. Negi, K. P. Tiwary
{"title":"Synthesis of Mn2+ modified CdS nanoparticles and its application as catalyst in photodegradation of methyl red dye","authors":"R. Ranjan, C. M. S. Negi, K. P. Tiwary","doi":"10.15251/cl.2023.204.251","DOIUrl":"https://doi.org/10.15251/cl.2023.204.251","url":null,"abstract":"Photocatalytic degradation of methyl red dye using Mn(5%) doped CdS nanoparticles was studied.Mn doped CdS nanoparticles was synthesized by microwave assisted solvo thermal method where the chemicals used wereCadmium Acetate [(CH3COO)2Cd, H2O], Manganese Chloride [MnCl2.2H2O] and Sodium Sulfide [Na2S.xH2O]. X-Ray diffraction(XRD) analysis was carried out in order to analyze the structural dimensions of the synthesized nanoparticles and the average crystallite size has been calculated at the full width half maximum (FWHM) of the diffraction peaks using Debye-Scherer equation and it was found to be around2.3nm. FTIR spectra analysis was done in order to analyze different functional and vibrational groups present in the as synthesized sample of Mn doped CdSnanoparticles.The morphology of sample wasstudied by scanning electron microscope. The aqueous solution of methyl red[C15H15N3O2] has been prepared and was mixed with the as synthesized Mn doped CdSnanoparticles and was exposed for photocatalytic degradation using 100 W bulb. UV-visible spectra of the light irradiated methyl red solutions were studied at different interval of time and no red shift was observed with increase of exposure time. The intensity of the absorption peak was also found to be reduced with the increasing time interval. The photo degradation of methyl red dye was observed up to 90% at the exposure time of 90 minutes.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136272722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of annealing on the properties of chemically prepared SnS thin films 退火对化学制备的SnS薄膜性能的影响
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-05-01 DOI: 10.15251/cl.2023.205.315
S. John, M. Francis, A. P. Reena Mary, V. Geetha
{"title":"Influence of annealing on the properties of chemically prepared SnS thin films","authors":"S. John, M. Francis, A. P. Reena Mary, V. Geetha","doi":"10.15251/cl.2023.205.315","DOIUrl":"https://doi.org/10.15251/cl.2023.205.315","url":null,"abstract":"Thin films of SnS were deposited chemically, and they are annealed at four different temperatures: 100 °C, 150 °C, 200 °C, and 250 °C. X-ray diffraction, Raman analysis, UV-visible spectroscopy, field emission scanning electron microscopy, and energy dispersive spectroscopy were used to investigate the impact of annealing temperature on the structural, optical, morphological, and chemical properties of thin films. As the annealing temperature rose, it was seen from the XRD patterns that the crystallinity of SnS films improved. At 250 °C, the film was almost evaporated, and the XRD pattern showed no peaks at all. The lattice strain and crystallite size were computed from the WilliamsonHall plots. The crystallite size increased and the lattice strain decreased with the increase in the annealing temperature. According to optical investigations, the samples' optical bandgap shrank as the annealing temperature rose. Morphological studies showed the formation of well-adhered films, and as the annealing temperature increased, the film became denser and more continuous with larger grains. The atomic weight percentage of sulphur decreased as the annealing temperature increased, according to the EDS analysis. Photovoltaic structures with the configuration ITO/SnS/CdS/Ag were fabricated. From the I-V characteristics, it was observed that the cell structure formed with SnS annealed at 200 °C showed better cell performance.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49251597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gamma irradiation effects on Ag based ternary and quaternary chalcogenide films γ辐照对Ag基三元和四元硫族化合物薄膜的影响
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-05-01 DOI: 10.15251/cl.2023.205.325
N. Yaduvanshi, R. Pandey, V. Khemchandani
{"title":"Gamma irradiation effects on Ag based ternary and quaternary chalcogenide films","authors":"N. Yaduvanshi, R. Pandey, V. Khemchandani","doi":"10.15251/cl.2023.205.325","DOIUrl":"https://doi.org/10.15251/cl.2023.205.325","url":null,"abstract":"In this work the effect of gamma irradiation (50 kGy and 100 kGy) on properties of InxSb20-x Ag10Se70 (x= 0,10,20) films has been discussed. X ray diffraction, Transmission Electron Microscopy, Optical properties and Electrical properties have been successfully studied. X Ray diffraction and TEM images reveal the amorphous nature of thin films. A change in the optical energy gap is observed after irradiation.The optical band gap increases accompanied with increase in tailing parameter.The value of N decreases with irradiation dose.It is found that crytallinity is higher for ternary system as compare to quarternary system. From electrical measurements it has been that conduction is in the localised state and the DC activation energy decrease upon gamma irradiations.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48577368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural, optical and electrical properties of CuO thin films deposited by spray pyrolysis technique: influence annealing process 喷雾热解法制备CuO薄膜的结构、光学和电学性能:退火工艺的影响
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-04-01 DOI: 10.15251/cl.2023.204.277
R. Daira, B. Boudjema, A. Mohammedi
{"title":"Structural, optical and electrical properties of CuO thin films deposited by spray pyrolysis technique: influence annealing process","authors":"R. Daira, B. Boudjema, A. Mohammedi","doi":"10.15251/cl.2023.204.277","DOIUrl":"https://doi.org/10.15251/cl.2023.204.277","url":null,"abstract":"In this work, CuO thin films about the synthesis of the thin films are prepared on glass substrate using spray pyrolysis technique at room temperature different annealing times in temperature 450 0 C.In order to study the effect of annealing times onthe structural, optical and electrical properties.XRD analysis has shown that films with a polycrystalline structurehave a(Monoclinic) structure.In addition, the crystallite phase CuO increases with increasing of annealing temperature.Moreover, with a preferred orientation along (002) peak.The optical properties confirmed that the elaborated films have a transmittance of 70%. We have found that the band gap energy (Eg) is a decreasing function with respect to the annealing temperature time. In addition, the electrical resistivity varies from 18.97 to 4.58 KOhm.cm for the films grown at different annealing times.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48119922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study and modeling of a CdS /PbS betavoltaic cell by Monte Carlo simulation CdS /PbS倍他伏打电池的蒙特卡罗模拟研究与建模
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-04-01 DOI: 10.15251/cl.2023.203.227
H. Moughli, B. Azeddine, Z. Tiouti, M. Rajczyk
{"title":"Study and modeling of a CdS /PbS betavoltaic cell by Monte Carlo simulation","authors":"H. Moughli, B. Azeddine, Z. Tiouti, M. Rajczyk","doi":"10.15251/cl.2023.203.227","DOIUrl":"https://doi.org/10.15251/cl.2023.203.227","url":null,"abstract":"In this paper, we present simulations of the concentration of electron-hole pairs generated from each point in solid targets under Ni-63 source bombardment of a CdS/PbS-based betavoltaic cell. This model is an accurate representation of the electronic interaction has been reported. We can obtain the distribution of the electron-hole pairs generated in the CdS/PbS junction as a function of the depth by Monte Carlo simulation, this distribution allowed us to find the concentrations of excess minority carriers as a function of the thickness, which can be function and injection into the continuity equations to determine the diffusion current and then the selected petavoltage properties. The model was tested for the Ni-63 CdS/PbS structure, with energy of 17 keV.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41633840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling and simulation of PN junction CdS/CdTe for betavoltaic cell 用于贝塔伏打电池的PN结CdS/CdTe的建模与仿真
IF 1 4区 材料科学
Chalcogenide Letters Pub Date : 2023-04-01 DOI: 10.15251/cl.2023.204.243
A. Talhi, B. Azeddine, Z. Tiouti, M. Rajczyk
{"title":"Modelling and simulation of PN junction CdS/CdTe for betavoltaic cell","authors":"A. Talhi, B. Azeddine, Z. Tiouti, M. Rajczyk","doi":"10.15251/cl.2023.204.243","DOIUrl":"https://doi.org/10.15251/cl.2023.204.243","url":null,"abstract":"The method for producing power by integrating a beta source to semiconductors junction’s devices is called as betavoltaic energy conversion. [1]. In this study by using Monte Carlo (MC) method to simulate the distribution of electron- hole pairs (EHP) generated at each point in the cell under bombardment of 63Ni source for betavoltaic cell then the result of that Monte Carlo simulation will be used in the modelling and simulation of a betavoltaic cell CdS/CdTe heterojunction and their characteristics.","PeriodicalId":9710,"journal":{"name":"Chalcogenide Letters","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41771353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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