{"title":"Monotiring of Zinc Oxide and Zinc Sulfide-Based as Smart Nanomaterials for Water Treatment Through Electron Transfer Characteristics and Density of States Analysis: A Quantum Chemistry Study","authors":"F. Mollaamin, M. Monajjemi","doi":"10.1134/S1990793125700605","DOIUrl":"10.1134/S1990793125700605","url":null,"abstract":"<p>The world encounters an increasing challenge for adequate clean water owing to threats coming from enhancing request and reducing supply. In nanoscale, zinc oxide and zinc sulfide have indicated antimicrobial properties which make its potential great for different applications. We employ first-principles calculations to investigate the structural stability and electronic properties of cubic zinc oxide (ZnO) and zinc sulfide (ZnS) heteroclusters with H<sub>2</sub>O molecules adsorbed on them. A comprehensive investigation on H<sub>2</sub>O grabbing by ZnO/ZnS heteroclusters was carried out using density functional theory (DFT) computations at the Coulomb-attenuating method–Becke, 3-parameter, Lee<b>–</b>Yang<b>–</b>Parr with Dispersion–corrected (CAM–B3LYP–D3/6–311+G(<i>d</i>, <i>p</i>)) level of theory. The notable fragile signal intensity close to the parallel edge of the nanocluster sample might be owing to H/OH binding induced non-spherical distribution of ZnO or ZnS heterocluster. The hypothesis of the energy adsorption phenomenon was confirmed by density distributions of charge density differences, total density of states and molecular electrostatic potential for ZnO/ZnO(H<sub>2</sub>O) or ZnS/ZnS(H<sub>2</sub>O). A vaster jointed area engaged by an isosurface map for H/OH adsorption on ZnO or ZnS surface towards formation of ZnO(H<sub>2</sub>O) or ZnS(H<sub>2</sub>O) complex. Therefore, it can be considered that zinc in the functionalized ZnO or ZnS might have more impressive sensitivity for accepting the electrons in the process of H/OH adsorption. It is considerable that when all surface atoms of ZnO or ZnS are coated by OH and H groups, the semiconducting behavior is recovered.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"943 - 952"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of an External Electric Field on the Performance of an Electroosmotically-Driven Micromixer with Triangular-Shaped Electrodes: Design and Simulation","authors":"Elnaz Poorreza","doi":"10.1134/S1990793125700642","DOIUrl":"10.1134/S1990793125700642","url":null,"abstract":"<p>An electroosmosis micromixer is an essential element within microfluidic systems, designed to effectively facilitate the mixing of fluids at the microscale. These devices are essential across various scientific disciplines, such as chemistry, biology, and medicine, due to their ability to manipulate minute volumes with extraordinary precision and minimal reagent loss. Electroosmosis can be defined as the movement of fluids through micro/nano-channels, driven by an externally applied electric field. In the current investigation, a micromixer that is driven by electroosmosis phenomena, has been developed to combine two disparate fluids, which are introduced into the system through separate inlets, resulting in a combined microchannel. To improve this mixing system, a sinusoidal electric potential is systematically applied across the triangular-shaped electrodes, characterized by a peak value of 0.1 V and an operational frequency of 8 Hz. The simulation results obtained from this configuration indicate that the micromixer demonstrates an exceptional mixing efficiency approaching a value of 0.96, thereby highlighting its considerable potential for beneficial applications across a diverse array of fields, particularly within microfluidics, biochemistry, and biomedical sciences.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"1003 - 1010"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L. N. Shishkina, P. D. Beletskaya, A. S. Dubovik, A. V. Mashukova, V. O. Shvydkiy
{"title":"Effects of the Divalent Metal Ions on Lecithin Liposomes","authors":"L. N. Shishkina, P. D. Beletskaya, A. S. Dubovik, A. V. Mashukova, V. O. Shvydkiy","doi":"10.1134/S1990793125700575","DOIUrl":"10.1134/S1990793125700575","url":null,"abstract":"<p>The mechanism of participation of MnCl<sub>2</sub>, ZnCl<sub>2</sub>, CdCl<sub>2</sub> and PbCl<sub>2</sub> salts in different stages of lipid peroxidation (LP) processes in liposomes formed from natural lipids (lecithin of soybeans) in distilled water was studied, using mathematical processing of UV-spectra of liposomes and their mixtures of metal ions by the Gauss method in combination with the study of the effect of metal ions on spontaneous aggregation of liposomes (dynamic light scattering method) and the intensity of bacterial bioluminescence. While all metal ions at the studied concentration of 10<sup>–4</sup> mol/L are considered as damaging substances for biological systems, the degree of toxicity of both pollutants (Pb<sup>2+</sup> and Cd<sup>2+</sup>) and biogenic manganese and zinc ions is due to differences in their participation in the regulation of LP processes. Thus, the biological effectiveness of Cd<sup>2+</sup> is mainly related to its ability to initiate LP. The Pb<sup>2+</sup> affects its inhibitory effect on LP by forming complexes with the polar groups of phospholipids, the diene conjugates, and the ketodiene fatty acids found within liposomes. Mn<sup>2+</sup> inhibits LP by forming complexes with ketodiene fatty acids and phosphate groups of phospholipids, while Zn<sup>2+</sup> affects the structural state of liposomes by forming complexes with phosphate groups of phospholipids and diene conjugates.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"914 - 920"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F. H. Huang, F. Yan, Z. J. Jing, J. W. Wen, S. Y. Li, Y. Chen
{"title":"Study on Nitrogen Doped Hollow Cubic Carbon Electromagnetic Wave Absorbing Materials","authors":"F. H. Huang, F. Yan, Z. J. Jing, J. W. Wen, S. Y. Li, Y. Chen","doi":"10.1134/S199079312570054X","DOIUrl":"10.1134/S199079312570054X","url":null,"abstract":"<p>Carbon based materials have the characteristics of light weight, adjustable dielectric and stable performance, so they have become the most concerned wave absorbing materials. In this paper, phenolic resin was prepared with sodium chloride as template, and then L-lysine as nitrogen source was used to add nitrogen into phenolic resin, and the final nitrogen doped hollow cubic carbon material was obtained by etching after carbonization. During the experiment, the material with excellent wave absorbing performance was prepared by controlling the doping amount of nitrogen element. Finally, it was found that the nitrogen-doped hollow cubic carbon wave absorbing material could obtain the best reflection loss of –50.26 dB and the maximum effective bandwidth of 4.68 GHz at the extremely low load of 1.75 wt %. The one-component wave absorbing material can have good absorbing performance under very low load, which can become the best candidate material for lightweight and efficient electromagnetic wave absorber without adding other materials, and achieve the purpose of “wide, strong, light and thin.”</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"844 - 852"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Si Abdallah, B. Zaidi, A. Sait Alali, H. Al-Dmour
{"title":"Probing the Impact of Buffer Layer on CuGaSe2 Based Solar Cells for Photovoltaic Performance","authors":"S. Si Abdallah, B. Zaidi, A. Sait Alali, H. Al-Dmour","doi":"10.1134/S1990793125700526","DOIUrl":"10.1134/S1990793125700526","url":null,"abstract":"<p>With a particular focus on addressing environmental sustainability challenges, this study investigates the impact of buffer layers on the efficiency of CuGaSe<sub>2</sub> based solar cells using SCAPS simulation software program. The research examines how variations in absorber layer thickness, series resistance (<i>R</i><sub>S</sub>), and shunt resistance (<i>R</i><sub>Sh</sub>) affect electrical properties such as open-circuit voltage (<i>V</i><sub>OC</sub>), short-circuit current density (<i>J</i><sub>sc</sub>), and overall efficiency. Additionally, the influence of acceptor density (<i>N</i><sub>A</sub>) and donor density (<i>N</i><sub>D</sub>) on performance was analysed. The increasing the absorber layer thickness improves short-circuit current density (<i>J</i><sub>sc</sub>) by enhancing light absorption, which leads to more electron-hole pairs being generated. However, thicker layers also increase the distance charge carriers must travel, raising the likelihood of recombination, which reduces open-circuit voltage (<i>V</i><sub>oc</sub>). Additionally, thicker layers may introduce higher series resistance and non-ideal contact effects, further lowering <i>V</i><sub>oc</sub>. The optimal thickness was determined to be 0.5 µm, resulting in efficiencies of 21.09% for CdTe cells and 28.58% for CdS cells. Transitioning from CdTe to CdS buffer layers further enhances efficiency, while higher shunt resistance and donor density, alongside lower series resistance, contribute to improved performance. These results emphasize the importance of optimized CuGaSe<sub>2</sub>-based solar cells performance parameters scuh as buffer layer thickness, acceptor defect density, donor defect density, series and shunt resistance on higher efficiency and better performance of the solar cells. The study provides a direction for more efficient renewable energy solutions which hold promise for sustainable future by reducing dependence on fossil fuels and mitigating carbon emissions.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"824 - 829"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Z. Sheibanizadeh, Z. Khalaj, K. Behzad, M. Z. Pedram, M. Monajjemi
{"title":"Synthesis of Phosphorus-Doped MnCo2S4 Nanosheet-Based Porous Spheres for Hybrid Supercapacitors","authors":"Z. Sheibanizadeh, Z. Khalaj, K. Behzad, M. Z. Pedram, M. Monajjemi","doi":"10.1134/S1990793125700678","DOIUrl":"10.1134/S1990793125700678","url":null,"abstract":"<p>Phosphorus-doped MnCo<sub>2</sub>S<sub>4</sub> hollow spheres with a heterogeneous, nanosheet-assembled architecture were synthesized via a simple gas–liquid diffusion method under ambient conditions, in contrast to conventional hydrothermal and gas-phase phosphating techniques. Ammonia diffusion into a homogeneous manganese–cobalt sulfate solution led to the formation of well-dispersed hollow spheres with lamellar structures, promoting efficient electron transport and enhanced electrochemical activity. Phosphorus atoms partially substituted sulfur in the lattice, generating abundant vacancies that improved conductivity and charge transfer kinetics. The resulting electrode exhibited a high specific capacity of 928.2 C g<sup>–1</sup> at 1 A g<sup>–1</sup> and excellent cycling stability, retaining 93.8% of its capacity after 10 000 cycles. A hybrid supercapacitor was assembled using the phosphorus-doped MnCo<sub>2</sub>S<sub>4</sub> as the cathode and activated carbon as the anode in 6 M KOH electrolyte. The device delivered a specific capacity of 225.6 C g<sup>–1</sup> at 1 A g<sup>–1</sup>, retained 75.5% capacity at 30 A g<sup>–1</sup>, and achieved a high energy density of 55.8 Wh kg<sup>–1</sup> with a power density up to 24453.6 W kg<sup>–1</sup>, demonstrating excellent rate performance and long-term stability.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"853 - 867"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. A. C. Jayaseelan, M. A. P. Ashim, S. Srinivas, P. Rajendran
{"title":"Experimental Investigation and Central Composite Design Modeling Optimization of Dual Biodiesel Mixture in CI Engine Parameters","authors":"G. A. C. Jayaseelan, M. A. P. Ashim, S. Srinivas, P. Rajendran","doi":"10.1134/S1990793125700666","DOIUrl":"10.1134/S1990793125700666","url":null,"abstract":"<p>The current study involves the renewed biodiesel derived from non-edible as Juliflora and Candlenut oil into biodiesel using a two-stage trans esterification process. The physiochemical characteristics of biodiesels are analyzed and experiments are carried out employing a single-cylinder four-stroke diesel engine to test several biodiesel blends as B0, B20, B30 and B40 for, performance, and emission characteristics and experimental outcomes were analysed using Central composite modelling optimization. The results indicates the brake specific fuel consumption (0.285 kg/kW h) lower and the Brake thermal efficiency 31.8% higher for the 20% blended diesel. These values are comparable to diesel, with variations of 3.7 and 3.2% respectively. During the experiment, the emission parameters of HC, CO, and smoke were 17.67, 8.2, and 9.45% respectively, lower for CJ20 blend than diesel. Nevertheless, NO<sub><i>x</i></sub> emission is 4.2% higher than base fuel, while minimal difference and among the lower than other blends. Furthermore, the Central composite design was developed and find the optimal results of a CI engine achieved. Overall results confirm that 20% CJ biodiesel blended diesel is the alternate of the standard diesel.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"816 - 823"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Modeling of Cr3+ Doped TiO2 (Rutile) Single Crystals","authors":"M. Bharati, V. Singh, R. Kripal","doi":"10.1134/S1990793125700472","DOIUrl":"10.1134/S1990793125700472","url":null,"abstract":"<p>Crystal field and zero field splitting parameters of Cr<sup>3+</sup> doped titanium oxide, TiO<sub>2</sub> (Rutile) single crystals are calculated employing superposition model. The appropriate sites for Cr<sup>3+</sup> ions in TiO<sub>2</sub> with distortion are taken up for calculation. Splitting parameters of zero fields in theory with local distortion match comparatively well with the values found from the experiment. The optical energy bands for Cr<sup>3+</sup> in TiO<sub>2</sub> are estimated with the Crystal Field Analysis Program and parameters of the crystal field. The results suggest that Cr<sup>3+</sup> ions substitute for one of the Ti<sup>4+</sup> ions in TiO<sub>2</sub> single crystals.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"777 - 782"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mechanical Model of Erythrocyte: Allostery at the Cellular Level?","authors":"S. G. Gevorkian, D. S. Gevorgyan, Y. A. Dyakov","doi":"10.1134/S1990793125700514","DOIUrl":"10.1134/S1990793125700514","url":null,"abstract":"<p>Based on the architecture and coevolution of allosteric materials, a mechanical model of the erythrocyte is proposed. This model is used to explain such phenomena as erythrocyte flickering and phase transitions (morphological changes) at 49.5°C, which are not fully explained from the physical point of view. To describe the viscoelastic properties of proteins (in particular, for hemoglobin), experimental data obtained earlier are taken. The difference in viscoelastic properties between different forms of hemoglobin obtained earlier is used to describe the forces that are necessary to turn on and off the springs in the spectrin network.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"903 - 913"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. H. Han, J. L. Liu, C. Peng, B. Y. Liang, G. T. Zhou, B. T. Hu
{"title":"Rapid Ti–TiC Plating of Diamond Particle Sufraces by Thermal Explosion","authors":"D. H. Han, J. L. Liu, C. Peng, B. Y. Liang, G. T. Zhou, B. T. Hu","doi":"10.1134/S1990793125700654","DOIUrl":"10.1134/S1990793125700654","url":null,"abstract":"<p>This study proposes a method for using thermal explosion to coat the surfaces of diamond particles quickly. This method utilizes the high temperature generated by thermal explosion to promote the rapid sublimation and deposition of Ti powder on the surfaces of diamond particles. This study applied a mixed powder of Ti and diamond particles and conducted vacuum heat treatment. Ni–Al compacts were used for thermal explosion to promote the rapid sublimation and deposition of Ti on the surfaces of diamond particles. Results indicate that Ti rapidly evaporated and deposited on the surfaces of diamond particles after thermal explosion. A composite coating of Ti and TiC on the surfaces of diamond particles formed. The compressive fracture strength and impact toughness index of the prepared Ti–TiC coated diamond particles were 16.0% and 7.4% higher than those of the original diamond particles, respectively.</p>","PeriodicalId":768,"journal":{"name":"Russian Journal of Physical Chemistry B","volume":"19 4","pages":"811 - 815"},"PeriodicalIF":1.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}