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Influence of Voltage and Duration of Plasma Pyrolysis of 1,1,2,2-Tetrachloroethane in the Liquid Phase by the Action of Low-Voltage Discharges 低压放电作用下等离子体热解液相中的 1,1,2,2-Tetrachloroethane 的电压和持续时间的影响
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/S0018143923060036
I. Bodrikov, E. Titov, A. I. Serov, D. Titov, Y. Kurskii, E. G. Ivashkin
{"title":"Influence of Voltage and Duration of Plasma Pyrolysis of 1,1,2,2-Tetrachloroethane in the Liquid Phase by the Action of Low-Voltage Discharges","authors":"I. Bodrikov, E. Titov, A. I. Serov, D. Titov, Y. Kurskii, E. G. Ivashkin","doi":"10.1134/S0018143923060036","DOIUrl":"https://doi.org/10.1134/S0018143923060036","url":null,"abstract":"","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"64 1","pages":"515 - 521"},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139198254","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}
引用次数: 0
Wettability, Drug Delivery, Biodegradability, and Mechanical Strength of Chitosan–Gelatin Polymer Hydrogels Treated with Atmospheric Pressure DBD Plasma 经常压 DBD 等离子处理的壳聚糖-明胶聚合物水凝胶的润湿性、药物输送、生物降解性和机械强度
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/S0018143923060164
Pranita Panda, Rajesh Kumar Mahanta, Smrutiprava Das
{"title":"Wettability, Drug Delivery, Biodegradability, and Mechanical Strength of Chitosan–Gelatin Polymer Hydrogels Treated with Atmospheric Pressure DBD Plasma","authors":"Pranita Panda, Rajesh Kumar Mahanta, Smrutiprava Das","doi":"10.1134/S0018143923060164","DOIUrl":"https://doi.org/10.1134/S0018143923060164","url":null,"abstract":"","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"1 1","pages":"541 - 556"},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139207561","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}
引用次数: 0
Investigation of the Plasma-Chemical Synthesis of Thin Ga2O3 Films Doped with Zn in One Step in Plasma 等离子体一步法合成掺锌Ga2O3薄膜的研究
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060115
L. A. Mochalov, M. A. Kudryashov, I. O. Prokhorov, M. A. Vshivtsev, Yu. P. Kudryashova, E. A. Slapovskaya, A.V. Knyazev
{"title":"Investigation of the Plasma-Chemical Synthesis of Thin Ga2O3 Films Doped with Zn in One Step in Plasma","authors":"L. A. Mochalov, M. A. Kudryashov, I. O. Prokhorov, M. A. Vshivtsev, Yu. P. Kudryashova, E. A. Slapovskaya, A.V. Knyazev","doi":"10.1134/s0018143923060115","DOIUrl":"https://doi.org/10.1134/s0018143923060115","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A process for fabricating Zn-doped (up to 10 at %) β-Ga<sub>2</sub>O<sub>3</sub> thin films by plasma-enhanced chemical vapor deposition has been studied. High-purity gallium, zinc, and oxygen were used as starting materials, and hydrogen was chosen as the carrier and plasma gas. A low-temperature nonequilibrium RF (40.68 MHz) discharge plasma at a reduced pressure (0.01 torr) was used to initiate chemical reactions of precursors. The plasma-chemical process was monitored using optical emission spectroscopy. Structural properties and morphology of the deposited β-Ga<sub>2</sub>O<sub>3</sub> films were studied by various methods.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"40 5","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524163","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}
引用次数: 0
Plasma-Enhanced Chemical Vapor Deposition of Thin GaS Films on Various Types of Substrates 等离子体增强化学气相沉积在各种衬底上的气体薄膜
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060097
M. A. Kudryashov, L. A. Mochalov, I. O. Prokhorov, M. A. Vshivtsev, Yu. P. Kudryashova, V. M. Malyshev, E. A. Slapovskaya
{"title":"Plasma-Enhanced Chemical Vapor Deposition of Thin GaS Films on Various Types of Substrates","authors":"M. A. Kudryashov, L. A. Mochalov, I. O. Prokhorov, M. A. Vshivtsev, Yu. P. Kudryashova, V. M. Malyshev, E. A. Slapovskaya","doi":"10.1134/s0018143923060097","DOIUrl":"https://doi.org/10.1134/s0018143923060097","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Gallium monosulfide (GaS), a representative of Group III monochalcogenide layered materials, is a wide-bandgap semiconductor. It is considered an ideal material for light detectors in the blue and near ultraviolet ranges of the spectrum. In this work, for the first time, the method of plasma-enhanced chemical vapor deposition (PECVD) was applied to obtain thin GaS films on various substrates, where high-purity gallium and sulfur served as starting materials. To initiate the interaction between the reactants, a nonequilibrium RF discharge (40.68 MHz) plasma at a pressure of 0.1 torr was used. The influence of the substrate nature on the stoichiometry, structure, and surface morphology of GaS films has been studied. The plasma-chemical process was monitored using optical emission spectroscopy.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"21 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524173","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}
引用次数: 0
Kinetics of Ibuprofen Degradation in Aqueous Solution by the Action of Direct-Current Glow Discharge in Air 空气中直流辉光放电降解布洛芬的动力学研究
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s001814392306005x
A. A. Ignatiev, P. A. Ivanova, A. N. Ivanov, A. A. Gushchin, D. A. Shutov, V. V. Rybkin
{"title":"Kinetics of Ibuprofen Degradation in Aqueous Solution by the Action of Direct-Current Glow Discharge in Air","authors":"A. A. Ignatiev, P. A. Ivanova, A. N. Ivanov, A. A. Gushchin, D. A. Shutov, V. V. Rybkin","doi":"10.1134/s001814392306005x","DOIUrl":"https://doi.org/10.1134/s001814392306005x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The kinetics of decomposition of ibuprofen in its aqueous solution by the action of atmospheric-pressure direct-current discharge in ambient air has been studied. The treated solution served as both the cathode and the anode of the discharge system. Degradation rates and effective degradation rate constants have been determined. Based on these data, the energy yields and degrees of destruction were calculated for various discharge powers (discharge currents). Discharges in a liquid cathode and anode differ little in the energy yields of degradation. But the rates and rate constants of degradation in the liquid cathode are higher than in the liquid anode. Therefore, the complete destruction of ibuprofen in the liquid cathode is achieved within shorter discharge times. A comparison is made of the destruction efficiencies for the cases of solution treatment using glow, dielectric barrier, and pulsed corona discharges.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"21 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524165","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}
引用次数: 0
Radiation-Induced Alteration of the Reflection Spectra of Diazoquinone–Novolac Photoresist Films by Implantation of Ag+ Ions Ag+离子注入对重氮醌-新伏拉克光刻胶薄膜反射光谱的辐射诱导改变
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060061
A. A. Kharchenko, D. I. Brinkevich, S. D. Brinkevich, V. S. Prosolovich
{"title":"Radiation-Induced Alteration of the Reflection Spectra of Diazoquinone–Novolac Photoresist Films by Implantation of Ag+ Ions","authors":"A. A. Kharchenko, D. I. Brinkevich, S. D. Brinkevich, V. S. Prosolovich","doi":"10.1134/s0018143923060061","DOIUrl":"https://doi.org/10.1134/s0018143923060061","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>FP9120 diazoquinone–novolac positive photoresist films 1.5 µm thick implanted with Ag<sup>+</sup> ions and supported on the surface of KDB-10 (111) silicon wafers by centrifugation have been studied by measuring reflection spectra. It has been shown that ion implantation leads to a decrease in the refractive index of the photoresist due to radiation crosslinking of novolac resin molecules and a decrease in the density ρ and the molecular refraction <i>R</i><sub>M</sub> of the photoresist. It has been established that the reflection coefficient in the opaque region of the photoresistive film increases with the Ag<sup>+</sup> implantation dose. The changes observed in the optical properties of the films under ion implantation conditions are explained taking into account radiation-chemical processes in the phenol–formaldehyde photoresist.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"46 2","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524178","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}
引用次数: 0
Kinetics of Paracetamol Degradation in Aqueous Solution by the Action of Dielectric Barrier Discharge in Oxygen 介质阻挡放电对水溶液中扑热息痛的降解动力学研究
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060048
A. A. Ignatiev, A. A. Gushchin, V. I. Grinevich, E. Yu. Kvitkova, A. A. Izvekova, V. V. Rybkin
{"title":"Kinetics of Paracetamol Degradation in Aqueous Solution by the Action of Dielectric Barrier Discharge in Oxygen","authors":"A. A. Ignatiev, A. A. Gushchin, V. I. Grinevich, E. Yu. Kvitkova, A. A. Izvekova, V. V. Rybkin","doi":"10.1134/s0018143923060048","DOIUrl":"https://doi.org/10.1134/s0018143923060048","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The kinetics of decomposition of paracetamol in its aqueous solution by the action of atmospheric-pressure dielectric barrier discharge (DBD) in oxygen has been studied. Degradation rate constants, energy yields, and degrees of degradation have been determined for various discharge powers and paracetamol concentrations. It is shown that the degradation products are carboxylic acids, aldehydes, CO, and CO<sub>2</sub>.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"34 10","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524169","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}
引用次数: 0
Conformational Rearrangements of Adsorbed Polyampholytes under Periodic Changes in Polarity of a Charged Prolate Gold Nanospheroid 带电长形金纳米球极性周期性变化下吸附多两性电解质的构象重排
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060073
N. Yu. Kruchinin, M. G. Kucherenko, P. P. Neyasov
{"title":"Conformational Rearrangements of Adsorbed Polyampholytes under Periodic Changes in Polarity of a Charged Prolate Gold Nanospheroid","authors":"N. Yu. Kruchinin, M. G. Kucherenko, P. P. Neyasov","doi":"10.1134/s0018143923060073","DOIUrl":"https://doi.org/10.1134/s0018143923060073","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Conformational rearrangements of polyampholytic polypeptides adsorbed on the surface of a charged prolate gold nanospheroid with a periodic change in time of its polarity along the rotation axis have been studied using molecular dynamics simulation. The radial distributions of the density of polypeptide atoms in the equatorial region of the nanospheroid have been calculated, as well as the distributions of the linear density of polypeptide atoms along the major axis of the nanospheroid. At a low simulation temperature, a girdle polyampholytic fringe was formed in the central region of the nanospheroid and its ordering by layers, depending on the type of units, occurred with an increase in the charge of the nanospheroid with a simultaneous increase in the width of the macromolecular fringe along the rotation axis. The thickness of such a fringe along the cross section depends on the distance between the oppositely charged units in the polyampholyte. At high temperatures and high absolute values of the total charge of the spheroidal nanoparticle, there were periodic displacements of the polyampholytic fringe toward the poles of the nanospheroid, being in antiphase for oppositely charged metallic nanospheroids. A mathematical model is presented for describing the conformational structure of a polyampholyte macromolecule on a prolate nanospheroid in an alternating electric field with the approximation of a prolate spheroid by a spherical cylinder.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"166 2","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524176","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}
引用次数: 0
Charge Characteristics of Titanocene Dicarboranyl by the Mulliken Method 用Mulliken法研究二茂钛二硼基的电荷特性
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060103
G. V. Loukova, A. A. Milov
{"title":"Charge Characteristics of Titanocene Dicarboranyl by the Mulliken Method","authors":"G. V. Loukova, A. A. Milov","doi":"10.1134/s0018143923060103","DOIUrl":"https://doi.org/10.1134/s0018143923060103","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>For the first time, charge characteristics of an organometallic complex with a radiative LMCT (ligand-to-metal charge transfer) state have been systematically evaluated using 124 methods at different levels of theory (for Ti(η<sup>5</sup>:η<sup>1</sup>-CpCMe<sub>2</sub>CB<sub>10</sub>H<sub>10</sub>C)<sub>2</sub> taken as an example). Reliability of the results of calculation in the Mulliken approximation was considered.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"26 4","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524160","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}
引用次数: 0
Effects of Azomethine Derivatives of 4,6-Di-tert-Butyl-2,3-Dihydroxybezaldehyde on Radiation-Induced Reactions Involving Alkyl and Alpha-Hydroxyalkyl Radicals 4,6-二叔丁基-2,3-二羟基苯甲醛亚甲胺衍生物对涉及烷基和-羟基烷基自由基的辐射诱导反应的影响
IF 0.7 4区 化学
High Energy Chemistry Pub Date : 2023-11-30 DOI: 10.1134/s0018143923060085
G. A. Ksendzova, N. I. Ostrovskaya, R. L. Sverdlov, V. L. Sorokin
{"title":"Effects of Azomethine Derivatives of 4,6-Di-tert-Butyl-2,3-Dihydroxybezaldehyde on Radiation-Induced Reactions Involving Alkyl and Alpha-Hydroxyalkyl Radicals","authors":"G. A. Ksendzova, N. I. Ostrovskaya, R. L. Sverdlov, V. L. Sorokin","doi":"10.1134/s0018143923060085","DOIUrl":"https://doi.org/10.1134/s0018143923060085","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The effects of azomethine derivatives of 4,6-di-<i>tert</i>-butyl-2,3-dihydroxybenzaldehyde on the formation of radiolysis products of deaerated <i>n</i>-hexane and ethanol have been studied. It was shown that the catechol moiety in the tested compounds did not significantly affect their reactions with carbon-centered radicals. The aldimine group exhibited high activity as an α-hydroxyalkyl radical scavenger and low activity as a scavenger of alkyl radicals. The introduction of additional radical-inhibiting groups –OH, –SH, –NO<sub>2</sub>, and =N–NH– into the side fragment of a molecule led to a significant increase in the antiradical activity with respect to various types of carbon-centered radicals.</p>","PeriodicalId":12893,"journal":{"name":"High Energy Chemistry","volume":"29 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138524162","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}
引用次数: 0
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