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43 Results Found

  • Article
  • Open Access
19 Citations
5,932 Views
16 Pages

4 January 2018

In this study, Mo-Cu-V-N composite coatings with high Cu content of ~18 at.% were deposited on 316L stainless steel and YT14 cemented carbide substrates by high power impulse magnetron sputtering in Ar–N2 gas mixtures. The influence of N2 partial pre...

  • Article
  • Open Access
7 Citations
3,611 Views
14 Pages

Effect of Charge Voltage on the Microstructural, Mechanical, and Tribological Properties of Mo–Cu–V–N Nanocomposite Coatings

  • Haijuan Mei,
  • Jicheng Ding,
  • Junfeng Zhao,
  • Ting Wang,
  • Kaijian Huang,
  • Zhaohui Guo,
  • Quanshun Luo and
  • Weiping Gong

20 December 2021

As an important high-power impulse magnetron sputtering (HIPIMS) parameter, charge voltage has a significant influence on the microstructure and properties of hard coatings. In this work, the Mo–Cu–V–N coatings were prepared at vari...

  • Article
  • Open Access
5 Citations
2,420 Views
15 Pages

The Additions of V and Cu on the Microstructure and Mechanical Properties of Mo-N Coatings

  • Haijuan Mei,
  • Zhenhao Cai,
  • Jicheng Ding,
  • Kai Yan,
  • Qiuguo Li,
  • Zhenting Zhao,
  • Junfeng Zhao,
  • Lixia Cheng,
  • Min Liu and
  • Weiping Gong

5 August 2022

Due to the excellent lubricity of V2O5 and soft metals, V and Cu have been added to Mo-N based coatings to further improve the tribological properties. In this study, the Mo-V-Cu-N coatings were deposited by high power impulse magnetron sputtering (H...

  • Article
  • Open Access
26 Citations
3,703 Views
9 Pages

16 April 2020

Cu3N/MoS2 heterojunction was prepared through magnetron sputtering, and its optical band gap was investigated. Results showed that the prepared Cu3N/MoS2 heterojunction had a clear surface heterojunction structure, uniform surface grains, and no evid...

  • Article
  • Open Access
3 Citations
2,506 Views
15 Pages

Substitutional Coinage Metals as Promising Defects for Adsorption and Detection of Gases on MoS2 Monolayers: A Computational Approach

  • Josue Gutierrez-Rodriguez,
  • Miguel Castro,
  • Jose Manuel Nieto-Jalil,
  • Dora Iliana Medina,
  • Saul Montes de Oca,
  • José Andrés García-González,
  • Eduardo Rangel-Cortes and
  • Alan Miralrio

Defective molybdenum disulfide (MoS2) monolayers (MLs) modified with coinage metal atoms (Cu, Ag and Au) embedded in sulfur vacancies are studied at a dispersion-corrected density functional level. Atmospheric constituents (H2, O2 and N2) and air pol...

  • Review
  • Open Access
20 Citations
5,784 Views
24 Pages

28 June 2022

This review addresses the most recent advances in the synthesis approaches, fundamental properties and photocatalytic activity of Cu3N nanostructures. Herein, the effect of synthesis conditions, such as solvent, temperature, time and precursor on the...

  • Article
  • Open Access
1 Citations
1,419 Views
14 Pages

Effect of V/Mo Atomic Ratio on the Microstructure and Mechanical Properties of MoVCuN Coatings

  • Haijuan Mei,
  • Cihong Lin,
  • Yuhang Li,
  • Youqu Shen,
  • Qiuguo Li,
  • Rui Wang,
  • Wenjun Zeng,
  • Wenbao Mei and
  • Weiping Gong

31 December 2023

To improve the gas ionization ratio, the Mo-V-Cu-N coatings were deposited by pulsed dc magnetron sputtering with assistance from an anode layer ion source, and the influence of the V/Mo atomic ratio was explored with regard to the microstructure and...

  • Article
  • Open Access
5 Citations
2,784 Views
16 Pages

25 May 2023

Hydrogen evolution reaction (HER) is a topic of great interest due to its efficient hydrogen production properties, which can address the increasing demand for clean and sustainable energy sources. On the other hand, molybdenum carbide (MoC) has been...

  • Article
  • Open Access
954 Views
26 Pages

Copper-Enhanced NiMo/TiO2 Catalysts for Bifunctional Green Hydrogen Production and Pharmaceutical Pollutant Removal

  • Nicolás Alejandro Sacco,
  • Fernanda Albana Marchesini,
  • Ilaria Gamba and
  • Gonzalo García

1 August 2025

This study presents the development of Cu-doped NiMo/TiO2 photoelectrocatalysts for simultaneous green hydrogen production and pharmaceutical pollutant removal under simulated solar irradiation. The catalysts were synthesized via wet impregnation (15...

  • Article
  • Open Access
7 Citations
2,238 Views
16 Pages

Effect of Adding Cu2O as a Back Surface Field Layer on the Performance of Copper Manganese Tin Sulfide Solar Cells

  • Wafaâ Henni,
  • Wassila Leïla Rahal,
  • G. F. Ishraque Toki,
  • Mustafa K. A. Mohammed,
  • Lamia Ben Farhat,
  • Safa Ezzine,
  • Rahul Pandey,
  • Abdelkader Boukortt and
  • M. Khalid Hossain

28 September 2023

One of the major limitations causing deadlock in solar cells with higher sulfur content in the photovoltaic absorber material is the unintended formation of an uncontrollable MoS2 layer between the absorber material and Mo back contact, which can aff...

  • Article
  • Open Access
8 Citations
3,546 Views
16 Pages

BTO-Coupled CIGS Solar Cells with High Performances

  • Congmeng Li,
  • Haitian Luo,
  • Hongwei Gu and
  • Hui Li

25 August 2022

In order to improve the power conversion efficiency (PCE) of Cu(In,Ga)Se2 (CIGS) solar cells, a BaTiO3 (BTO) layer was inserted into the Cu(In,Ga)Se2. The performances of the BTO-coupled CIGS solar cells with structures of Mo/CIGS/CdS/i-ZnO/AZO, Mo/B...

  • Article
  • Open Access
517 Views
13 Pages

3 December 2025

Defect engineering can effectively regulate the catalytic activity of single-atom catalysts anchored on the graphene substrate. Based on graphene with topological defects consisting of 5,7-membered carbon rings, we designed and investigated twenty tr...

  • Article
  • Open Access
71 Citations
10,924 Views
12 Pages

Copper-Zinc-Tin-Sulfur Thin Film Using Spin-Coating Technology

  • Min-Yen Yeh,
  • Po-Hsun Lei,
  • Shao-Hsein Lin and
  • Chyi-Da Yang

29 June 2016

Cu2ZnSnS4 (CZTS) thin films were deposited on glass substrates by using spin-coating and an annealing process, which can improve the crystallinity and morphology of the thin films. The grain size, optical gap, and atomic contents of copper (Cu), zinc...

  • Article
  • Open Access
7 Citations
6,097 Views
28 Pages

Optimization of Electrochemically Deposited Highly Doped ZnO Bilayers on Ga-Rich Chalcopyrite Selenide for Cost-Effective Photovoltaic Device Technology

  • Dimitra N. Papadimitriou,
  • Georgios Roupakas,
  • Georgios G. Roumeliotis,
  • Patrick Vogt and
  • Tristan Köhler

15 November 2016

High quality polycrystalline bilayers of aluminium doped ZnO (Al:ZnO) were successively electrodeposited in the form of columnar structures preferentially oriented along the ( 10 1 ¯ 1 ) crystallographic direction from aqueous solution...

  • Article
  • Open Access
7 Citations
2,781 Views
11 Pages

Nitrogen Reduction Reaction Catalyzed by Diatomic Metals Supported by N-Doped Graphite

  • Jinrong Huo,
  • Haocong Wei,
  • Kai Zhang,
  • Chenxu Zhao and
  • Chaozheng He

26 December 2022

In this article, for the transition metal-nitrogen ligand Mn-M@N6-C (M = Ag, Bi, Cd, Co, Cr, Cu, Fe, Hf, Ir, Mo, Nb, Ni, Os, Pd, Pt, Re, Rh, Ru, Sc, Ta, Tc, V, Y, Zn, Zr, Ti, W), by comparing the amount of change in the length of the N-N triple-bond,...

  • Article
  • Open Access
31 Citations
5,032 Views
18 Pages

9 July 2021

Recent research is focused on few layered graphene (FLG) with various metal oxides (MOs) as (MOs; CeO2, CuO, SnO2, CdO, ZnO, and TiO2) nanocomposite materials are alternatives to critically important in the fabrication of solar cell devices. In this...

  • Article
  • Open Access
1 Citations
3,111 Views
19 Pages

Internal Cumulated Dose of Toxic Metal(loid)s in a Population Residing near Naturally Occurring Radioactive Material Waste Stacks and an Industrial Heavily Polluted Area with High Mortality Rates in Spain

  • Manuel Contreras-Llanes,
  • Juan Alguacil,
  • Rocío Capelo,
  • José Luis Gómez-Ariza,
  • Javier García-Pérez,
  • Beatriz Pérez-Gómez,
  • Piedad Martin-Olmedo and
  • Vanessa Santos-Sánchez

8 February 2025

Huelva is a city in SW Spain with 150,000 inhabitants, located in the proximity of two heavy chemical industry complexes, the highest naturally occurring radioactive material (NORM) waste (phosphogypsum) stacks of Europe and a highly polluted estuary...

  • Article
  • Open Access
22 Citations
23,800 Views
19 Pages

Merelaniite, Mo4Pb4VSbS15, a New Molybdenum-Essential Member of the Cylindrite Group, from the Merelani Tanzanite Deposit, Lelatema Mountains, Manyara Region, Tanzania

  • John A. Jaszczak,
  • Michael S. Rumsey,
  • Luca Bindi,
  • Stephen A. Hackney,
  • Michael A. Wise,
  • Chris J. Stanley and
  • John Spratt

28 October 2016

Merelaniite is a new mineral from the tanzanite gem mines near Merelani, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. It occurs sporadically as metallic dark gray cylindrical whiskers that are typically tens of micrometers in dia...

  • Article
  • Open Access
8 Citations
3,737 Views
15 Pages

Elemental Metabolomics: Modulation of Egg Metallome with Flavonoids, an Exploratory Study

  • Athanasios C. Pappas,
  • Evangelos Zoidis,
  • Michael Goliomytis,
  • Panagiotis E. Simitzis,
  • Kyriaki Sotirakoglou,
  • Maria A. Charismiadou,
  • Christos Nikitas,
  • George Danezis,
  • Stelios G. Deligeorgis and
  • Constantinos A. Georgiou

1 September 2019

The basic principles of elemental metabolomics were applied to investigate whether alteration of egg metallome could be achieved after two flavonoids addition, namely hesperidin and naringin in diets of laying hens. A total of 72 hens were divided in...

  • Article
  • Open Access
45 Citations
6,111 Views
15 Pages

The levels of trace elements in whole blood and plasma have been widely used for assessing nutritional status and monitoring exposure and can vary widely in populations from different geographical regions. In this study, whole blood samples (n = 120)...

  • Article
  • Open Access
19 Citations
3,879 Views
10 Pages

Fabrication and Characterization of Cu2ZnSnSe4 Thin-Film Solar Cells using a Single-Stage Co-Evaporation Method: Effects of Film Growth Temperatures on Device Performances

  • Muhammad Rehan,
  • Hyeonmin Jeon,
  • Yunae Cho,
  • Ara Cho,
  • Kihwan Kim,
  • Jun-Sik Cho,
  • Jae Ho Yun,
  • Seungkyu Ahn,
  • Jihye Gwak and
  • Donghyeop Shin

12 March 2020

Kesterite-structured Cu2ZnSnSe4 (CZTSe) is considered as one of the Earth-abundant and non-toxic photovoltaic materials. CZTSe films have been prepared using a single-step co-evaporation method at a relatively low temperature (i.e., below 500 °C)...

  • Article
  • Open Access
15 Citations
3,807 Views
18 Pages

The Elemental Fingerprints of Different Types of Whisky as Determined by ICP-OES and ICP-MS Techniques in Relation to Their Type, Age, and Origin

  • Magdalena Gajek,
  • Aleksandra Pawlaczyk,
  • Krzysztof Jóźwik and
  • Małgorzata Iwona Szynkowska-Jóźwik

30 May 2022

A total of 170 samples of whisky from 11 countries were analysed in terms of their elemental profiles. The levels of 31 elements were determined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS): Ag, Al, B, Ba, Be, Bi, Cd, Co, Cr, Cu, Li, Mn,...

  • Article
  • Open Access
1 Citations
1,567 Views
19 Pages

15 August 2024

The research referred to in this study examines the morphological, structural, and optical characteristics of kesterite (Cu1−xAgx)2ZnSnS4 (CAZTS) thin films, which are produced using a process known as thermal evaporation (TE). The study’...

  • Article
  • Open Access
19 Citations
2,577 Views
16 Pages

Study of Wear of an Alloyed Layer with Chromium Carbide Particles after Plasma Melting

  • Antonina I. Karlina,
  • Yuliya I. Karlina,
  • Viktor V. Kondratiev,
  • Roman V. Kononenko and
  • Alexander D. Breki

18 December 2023

Depending on operating conditions, metals and alloys are exposed to various factors: wear, friction, corrosion, and others. Plasma surface alloying of machine and tool parts is now an effective surface treatment process of commercial and strategic im...

  • Article
  • Open Access
11 Citations
5,526 Views
20 Pages

18 July 2021

A method has been developed, optimised and validated to analyse protein powder supplements on an inductively coupled plasma-sector field mass spectrometer (ICP-SFMS), with reference to ICH Guideline Q2 Validation of Analytical Procedures: Text and Me...

  • Article
  • Open Access
3 Citations
4,787 Views
15 Pages

Geometric Shape Induced Small Change of Seebeck Coefficient in Bulky Metallic Wires

  • Gang Li,
  • Xiaohui Su,
  • Fan Yang,
  • Xiaoye Huo,
  • Gengmin Zhang and
  • Shengyong Xu

10 February 2017

In this paper, we report the results of slight changes in the thermopower of long W, Mo, Zn, Cu, brass, and Ti wires, that resulted from changes in the wire’s diameter or cross-sectional area. The samples used in the tests had a round shape with a di...

  • Article
  • Open Access
16 Citations
3,928 Views
14 Pages

12 February 2021

With the increasing acceleration of three-dimensional (3D) printing (for example, powder bed fusion (PBF)) of metal alloys as an additive manufacturing process, a comprehensive characterization of 3D-printed materials and structures is inevitable. Th...

  • Article
  • Open Access
17 Citations
3,966 Views
29 Pages

Trace Element Geochemistry of Sulfides from the Ashadze-2 Hydrothermal Field (12°58′ N, Mid-Atlantic Ridge): Influence of Host Rocks, Formation Conditions or Seawater?

  • Irina Melekestseva,
  • Valery Maslennikov,
  • Gennady Tret’yakov,
  • Svetlana Maslennikova,
  • Leonid Danyushevsky,
  • Vasily Kotlyarov,
  • Ross Large,
  • Victor Beltenev and
  • Pavel Khvorov

22 August 2020

The trace element (TS) composition of isocubanite, chalcopyrite, pyrite, bornite, and covellite from oxidized Cu-rich massive sulfides of the Ashadze-2 hydrothermal field (12°58′ N, Mid-Atlantic Ridge) is studied using LA-ICP-MS. The unders...

  • Article
  • Open Access
26 Citations
5,852 Views
18 Pages

Physico-Chemical Characterization of an Urban Rainwater (Zagreb, Croatia)

  • Palma Orlović-Leko,
  • Kristijan Vidović,
  • Irena Ciglenečki,
  • Dario Omanović,
  • Mathieu Dutour Sikirić and
  • Ivan Šimunić

28 January 2020

The characterization of organic matter (OM) and trace elements (TEs) was conducted in bulk precipitation samples collected in an urban area of Croatia (Zagreb center), from January 2009 to October 2011 (N = 31). Characterization of OM was performed b...

  • Article
  • Open Access
12 Citations
9,134 Views
10 Pages

27 August 2015

A selective separation and recycling system for metal ions was developed by homogeneous liquid-liquid extraction (HoLLE) using a fluorosurfactant. Sixty-two different elemental ions (e.g., Ag, Al, As, Au, B, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cu, Dy, Er...

  • Review
  • Open Access
22 Citations
7,083 Views
21 Pages

2 February 2023

Hypereutectic High Chromium Cast Iron (HHCCI) is a new type of corrosion-wear-resistant material developed from ordinary high chromium cast iron by increasing the chromium and carbon content and is often used in abrasive environments where wear and c...

  • Feature Paper
  • Article
  • Open Access
22 Citations
3,612 Views
14 Pages

17 July 2020

We report on the achievement of novel photovoltaic devices based on the pulsed laser deposition (PLD) of p-type Cu2ZnSnS4 (CZTS) layers onto n-type silicon nanowires (SiNWs). To optimize the photoconversion efficiency of these p-CZTS/n-SiNWs heteroju...

  • Article
  • Open Access
12 Citations
3,384 Views
27 Pages

Enzymatic Antioxidant Defense and Polymorphic Changes in Male Infertility

  • Jędrzej Baszyński,
  • Piotr Kamiński,
  • Maria Bogdzińska,
  • Sławomir Mroczkowski,
  • Marek Szymański,
  • Karolina Wasilow,
  • Emilia Stanek,
  • Karolina Hołderna-Bona,
  • Sylwia Brodzka and
  • Alina Woźniak
  • + 4 authors

The intensification of oxidative stress and destabilization of the antioxidative defenses of an organism is a consequence of many environmental factors. We considered aspects conditioning male reproductive potential and the functionality of enzymatic...

  • Article
  • Open Access
8 Citations
3,510 Views
15 Pages

Effect of the Release of Gravel Elements on Soil Nutrients and Jujube Fruit Yield under Wet-and-Dry Cycles

  • Qiaoling Liu,
  • Yangyang Li,
  • Wangcheng Li,
  • Qikun Su,
  • Bo Ma,
  • Min Mu,
  • Zhenjiang Jia and
  • Guangxing Zhao

17 November 2022

This study sought to evaluate the potential of mulched gravel to release nutrients in the field by conducting trials with three variations of wet-and-dry cycling of the soil beneath gravel mulch and bare soil. The results revealed that quartz, muscov...

  • Article
  • Open Access
11 Citations
4,704 Views
18 Pages

19 October 2019

A two-year greenhouse study was conducted to assess the effects of the application of I (as KIO3), Se (as Na2SeO3), and salicylic acid (SA) in nutrient solutions on the chemical composition of six lettuce cultivars, i.e., two butterhead lettuces (BUT...

  • Article
  • Open Access
6 Citations
4,464 Views
14 Pages

Preparation and Characterization of Thin-Film Solar Cells with Ag/C60/MAPbI3/CZTSe/Mo/FTO Multilayered Structures

  • Tsung-Wen Chang,
  • Chzu-Chiang Tseng,
  • Dave W. Chen,
  • Gwomei Wu,
  • Chia-Ling Yang and
  • Lung-Chien Chen

New solar cells with Ag/C60/MAPbI3/Cu2ZnSnSe4 (CZTSe)/Mo/FTO multilayered structures on glass substrates have been prepared and investigated in this study. The electron-transport layer, active photovoltaic layer, and hole-transport layer were made of...

  • Brief Report
  • Open Access
6 Citations
5,025 Views
10 Pages

21 February 2023

The exposure of plants to weak magnetic fields (MFs) of various intensities and for different times is increasingly adopted to sustainably enhance plant growth in plant-based applications such as modern agriculture, phytoremediation and biogas produc...

  • Article
  • Open Access
5 Citations
5,012 Views
20 Pages

National-Scale Geochemical Baseline of 69 Elements in Laos Stream Sediments

  • Wei Wang,
  • Xueqiu Wang,
  • Bimin Zhang,
  • Qiang Wang,
  • Dongsheng Liu,
  • Zhixuan Han,
  • Sounthone LAOLO,
  • Phomsylalai SOUKSAN,
  • Hanliang Liu and
  • Lanshi Nie
  • + 1 author

26 October 2022

Geochemical baselines are crucial to explore mineral resources and monitor environmental changes. This study presents the first Laos geochemical baseline values of 69 elements. The National-scale Geochemical Mapping Project of Lao People’s Demo...

  • Article
  • Open Access
10 Citations
4,011 Views
17 Pages

20 November 2021

The Yao’an gold deposit is located in the middle of the Jinshajiang-Ailaoshan alkali-rich metallogenic belt, and this belt hosts many porphyry-type Cu-Au-Mo deposits formed at 46–33 Ma. Yao’an porphyry gold-mineralization is intimately associated wit...

  • Review
  • Open Access
30 Citations
6,517 Views
33 Pages

Multifunctional Molecular Magnets: Magnetocaloric Effect in Octacyanometallates

  • Magdalena Fitta,
  • Robert Pełka,
  • Piotr Konieczny and
  • Maria Bałanda

22 December 2018

Octacyanometallate-based compounds displaying a rich pallet of interesting physical and chemical properties, are key materials in the field of molecular magnetism. The [M(CN)8]n− complexes, (M = WV, MoV, NbIV), are universal building blocks as...

  • Article
  • Open Access
12 Citations
2,702 Views
26 Pages

Some Biogeochemical Characteristics of the Trace Element Bioaccumulation in the Benthic Fauna of the Piip Volcano (The Southwestern Bering Sea)

  • Liudmila L. Demina,
  • Sergey V. Galkin,
  • Elena M. Krylova,
  • Dmitry F. Budko and
  • Aleksandra S. Solomatina

6 November 2021

The Piip Volcano is a submarine volcanic edifice occupying the central part of the Volcanologists Massif in the southwestern Bering Sea, with two tops, southern and northern. The minimum depth of the northern top is located at 368 m, and of the south...

  • Article
  • Open Access
18 Citations
12,552 Views
20 Pages

The toxicity of heavy metals such as Hg++ is a serious risk for human health. We evaluated whether 90 days of nutritional supplementation (d90, n = 16) with Chlorella vulgaris (CV) and Fucus sp extracts in conjunction with aminosulphurate (nutraceuti...