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Photocatalytic Oxidation of Benzyl Alcohol to Benzaldehyde with the Participation of Crystalline Carbon Nitride Doped with Oxygen 掺杂氧的结晶氮化碳参与光催化氧化苯甲醇制苯甲醛
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-14 DOI: 10.1007/s11237-025-09820-4
G. V. Korzhak, A. S. Kutsenko, V. V. Shvalagin, S. Ya. Kuchmiy
{"title":"Photocatalytic Oxidation of Benzyl Alcohol to Benzaldehyde with the Participation of Crystalline Carbon Nitride Doped with Oxygen","authors":"G. V. Korzhak,&nbsp;A. S. Kutsenko,&nbsp;V. V. Shvalagin,&nbsp;S. Ya. Kuchmiy","doi":"10.1007/s11237-025-09820-4","DOIUrl":"10.1007/s11237-025-09820-4","url":null,"abstract":"<p>Samples of crystalline carbon nitride doped with oxygen were obtained, which exhibit high photocatalytic activity in the oxidation of benzyl alcohol to benzaldehyde under the action of visible light. The quantum yield of benzaldehyde formation with the participation of the optimal photocatalyst can reach Φ ≈ 49% at λ<sub>irr</sub> = 405 nm, which is almost twice as high as when using undoped crystalline carbon nitride. This effect can be associated both with more intense absorption of light in the visible range of the spectrum due to the appearance of the n → π* band of the electronic transition, and with a better separation of photogenerated charges and inhibition of their recombination.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"185 - 193"},"PeriodicalIF":0.7,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361904","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
Effect of Phase Composition of the Hybrid Electrocatalysts Based on Nickel Phosphides and N,P-Doped Carbon on the Activities in the Processes of Hydrogen and Oxygen Evolutions From Water 磷化镍与N， p掺杂碳杂化电催化剂相组成对水析氢和析氧活性的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-14 DOI: 10.1007/s11237-025-09819-x
D. O. Mazur, O. O. Pariiska, Ya.I. Kurys, V. G. Koshechko, V. D. Pokhodenko
{"title":"Effect of Phase Composition of the Hybrid Electrocatalysts Based on Nickel Phosphides and N,P-Doped Carbon on the Activities in the Processes of Hydrogen and Oxygen Evolutions From Water","authors":"D. O. Mazur,&nbsp;O. O. Pariiska,&nbsp;Ya.I. Kurys,&nbsp;V. G. Koshechko,&nbsp;V. D. Pokhodenko","doi":"10.1007/s11237-025-09819-x","DOIUrl":"10.1007/s11237-025-09819-x","url":null,"abstract":"<p>The effect of the formation temperature of the composites based on Ni phosphides and N,P-doped carbon (Ni<sub><i>x</i></sub>P<sub><i>y</i></sub>/N,P-C) obtained by pyrolysis of a mixture of H<sub>3</sub>PO<sub>4</sub>-doped polyaniline and Ni(II) salt on their phase composition and electrocatalytic properties in the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) has been established. It is shown that increasing the pyrolysis temperature from 800 to 900 and 1000°C leads to an increasing in the content of the Ni<sub>2</sub>P phase in the composites with simultaneously Ni<sub>12</sub>P<sub>5</sub> decreasing and NiP eliminating. It is found that the highest activity in HER in an acidic electrolyte, as well as in OER, is inherent to Ni<sub><i>x</i></sub>P<sub><i>y</i></sub>/N,P-C formed at 900°C (with a close ratio of Ni<sub>2</sub>P and Ni<sub>12</sub>P<sub>5</sub> particles). The best performance in HER in an alkaline electrolyte is revealed by the obtained at 800°C analogue with dominant NiP particles and the highest N,P-doping level of the carbon.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"177 - 184"},"PeriodicalIF":0.7,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361903","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
Obtaining, Structure, and Optical and Electrical Properties of Chiral Perovskites: A Review 手性钙钛矿的制备、结构和光电性质综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-14 DOI: 10.1007/s11237-025-09818-y
P. V. Torchyniuk, O. I. V’yunov, A. A. Ishchenko, A. G. Belous
{"title":"Obtaining, Structure, and Optical and Electrical Properties of Chiral Perovskites: A Review","authors":"P. V. Torchyniuk,&nbsp;O. I. V’yunov,&nbsp;A. A. Ishchenko,&nbsp;A. G. Belous","doi":"10.1007/s11237-025-09818-y","DOIUrl":"10.1007/s11237-025-09818-y","url":null,"abstract":"<p>General data on features of obtaining, structure, and optical and electrical properties of chiral perovskites of different dimensional structures (0D-3D) have been analyzed and summarized. The application of chiral perovskites in optoelectronics, spintronics, and nonlinear optics is considered. An analysis of organic molecules, which are perspective for the synthesis of chiral 3D perovskites is performed. The possibility of the use of chiral dyes for improving the optical characteristics of hybrid perovskite materials is considered.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"155 - 176"},"PeriodicalIF":0.7,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361905","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
Initiation of Radical-Chain Aerobic Oxidation of Cumene by Potassium Permanganate and N-Hydroxysuccinimide 高锰酸钾和 N-羟基琥珀酰亚胺引发的茚的自由基链有氧氧化作用
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-11-04 DOI: 10.1007/s11237-024-09815-7
L. I. Opeida, R. B. Sheparovych, O. Y. Havunko, L. K. Volkova
{"title":"Initiation of Radical-Chain Aerobic Oxidation of Cumene by Potassium Permanganate and N-Hydroxysuccinimide","authors":"L. I. Opeida,&nbsp;R. B. Sheparovych,&nbsp;O. Y. Havunko,&nbsp;L. K. Volkova","doi":"10.1007/s11237-024-09815-7","DOIUrl":"10.1007/s11237-024-09815-7","url":null,"abstract":"<p>The kinetics of the liquid-phase oxidation of cumene (RH) with molecular oxygen in the presence of KMnO<sub>4</sub> and <i>N</i>-hydroxysuccinimide (NHSI) is studied. An increase in the reaction rate when adding acetic acid is established. An synergistic effect of KMnO<sub>4</sub> and NHSI in aerobic oxidation of RH is found. This can be associated with the formation of C-centered (R<sup>⦁</sup>) and O-centered (SINO<sup>⦁</sup>) radicals that participate in the chain initiation stage and the catalysis of the chain propagation stage by the SINO<sup>⦁</sup> radical.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"133 - 140"},"PeriodicalIF":0.7,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595994","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
High-Temperature Spiro-(1,1′)-Bipyrrolidinium Tetrafluoroborate-Based Organic Electrolytes for Supercapacitors 用于超级电容器的高温螺-(1,1′)-联吡咯烷四氟硼酸盐基有机电解质
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09816-6
N. G. Stryzhakova, S. O. Zelinskyi, S. G. Kozachkov, Y. A. Maletin
{"title":"High-Temperature Spiro-(1,1′)-Bipyrrolidinium Tetrafluoroborate-Based Organic Electrolytes for Supercapacitors","authors":"N. G. Stryzhakova,&nbsp;S. O. Zelinskyi,&nbsp;S. G. Kozachkov,&nbsp;Y. A. Maletin","doi":"10.1007/s11237-024-09816-6","DOIUrl":"10.1007/s11237-024-09816-6","url":null,"abstract":"<p>Organic electrolytes based on different solvents (propylene carbonate, γ-butyrolactone, sulfolane, and benzonitrile) with high boiling points have been studied in supercapacitors. The cyclic voltammetry data, dependence of capacitance, internal resistance on voltage, and endurance tests indicate that a solution of spiro-(1,1′)-bipyrrolidinium tetrafluoroborate (SBP-BF4) in benzonitrile is one of the most reliable electrolytes in a voltage range of about 2.5 V up to temperature of 100-110°C . The high electrochemical stability of benzonitrile under such harsh conditions can be explained by the absence of an SEI film formation process on the electrode surface that doesn’t cause a noticeable internal resistance increase and capacity decrease when voltage is increased.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"141 - 145"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595987","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
Spin-Orbit Interaction During the Activation of Molecular Oxygen by Oxidases and Cofactor-Free Oxygenases: A Review 氧化酶和无辅因子氧化酶活化分子氧过程中的自旋轨道相互作用：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09812-w
B. P. Minaev, T. V. Sakhno, O. O. Panchenko, Y. E. Sakhno
{"title":"Spin-Orbit Interaction During the Activation of Molecular Oxygen by Oxidases and Cofactor-Free Oxygenases: A Review","authors":"B. P. Minaev,&nbsp;T. V. Sakhno,&nbsp;O. O. Panchenko,&nbsp;Y. E. Sakhno","doi":"10.1007/s11237-024-09812-w","DOIUrl":"10.1007/s11237-024-09812-w","url":null,"abstract":"<p>The current state of research on spin-orbit interaction in cofactor-free oxidases and dioxygenases during oxygen activation is considered. The spin activation of triplet oxygen during combustion and respiration is analyzed in comparison with the reactions of flavin-containing enzymes, as well as important cofactor-independent dioxygenases. The mechanism of the triplet-singlet transition in glucose oxidase and a number of dioxygenases, including the RuBisCo oxygenase pathway and chirality-induced spin selectivity, is considered.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"91 - 107"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595984","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
Electrochemical Properties of Composites Based on Carbon Nanomaterials: A Review 基于碳纳米材料的复合材料的电化学性能：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09813-9
M. O. Danilov, I. A. Rusetskyi, S. S. Fomanyuk, G. Ya. Kolbasov
{"title":"Electrochemical Properties of Composites Based on Carbon Nanomaterials: A Review","authors":"M. O. Danilov,&nbsp;I. A. Rusetskyi,&nbsp;S. S. Fomanyuk,&nbsp;G. Ya. Kolbasov","doi":"10.1007/s11237-024-09813-9","DOIUrl":"10.1007/s11237-024-09813-9","url":null,"abstract":"<p>Electrochemical properties of composites based on metals, metal oxides, and carbon nanotubes and nanofibers in the reaction of oxygen reduction in oxygen (air) electrodes of fuel cells, the reaction of hydrogen oxidation in hydrogen electrodes of fuel cells, and the reaction of electrochemical storage of hydrogen in a hydride electrode of a nickel-metal hydride battery are considered It is shown that new composites with high electrocatalytic characteristics can be created by changing a route of electrochemical reactions from a catalyst to a support. Prospects of an electrochemical method for the synthesis of graphene oxide, graphene, and partially unzipped carbon nanotubes are discussed. Nanocomposites of carbon nitride and partially unzipped carbon nanotubes are considered as promising materials for a metal-free catalyst of oxygen electrodes.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"108 - 124"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595986","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
Influence of Composition and Structure of Charge Transfer Complexes of Tioconazole on Their Spectral Properties and Anticancer Activity 硫康唑电荷转移配合物的组成和结构对其光谱特性和抗癌活性的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09817-5
Eman Yossri Frag, Asmaa M. Mahmoud, Marwa El-Badry Mohamed
{"title":"Influence of Composition and Structure of Charge Transfer Complexes of Tioconazole on Their Spectral Properties and Anticancer Activity","authors":"Eman Yossri Frag,&nbsp;Asmaa M. Mahmoud,&nbsp;Marwa El-Badry Mohamed","doi":"10.1007/s11237-024-09817-5","DOIUrl":"10.1007/s11237-024-09817-5","url":null,"abstract":"<p>It is shown that interaction of electron donor tioconazole (TCZ) with π acceptors chloroanilic acid, 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, and picric acid leads to formation of the charge transfer complexes. The obtained complexes are characterized by spectral methods, and specific features of their structure are revealed by DFT. It is found that such complexes possess cytotoxic activity against breast cancer line (MCF-7), and their efficiency on IC<sub>50</sub> criterion exceeds the efficiency of the individual TCZ.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"146 - 153"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142596109","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
Influence of Particle Sizes of Zinc and Titanium Oxides on Their Activity in Metronidazole Photocatalytic Oxidative Degradation in Water 氧化锌和氧化钛的粒度对它们在水中光催化氧化降解甲硝唑活性的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09814-8
V. O. Zazhigalov, E. V. Zabolotnii, V. M. Kordan, M. M. Kurmach
{"title":"Influence of Particle Sizes of Zinc and Titanium Oxides on Their Activity in Metronidazole Photocatalytic Oxidative Degradation in Water","authors":"V. O. Zazhigalov,&nbsp;E. V. Zabolotnii,&nbsp;V. M. Kordan,&nbsp;M. M. Kurmach","doi":"10.1007/s11237-024-09814-8","DOIUrl":"10.1007/s11237-024-09814-8","url":null,"abstract":"<p>Mechanochemical (MCT) and ultrasonic (UST) treatments have been used to change the particle sizes of photoactive oxides ZnO and TiO<sub>2</sub> and their mixtures with inert oxides (MgO, Al<sub>2</sub>O<sub>3</sub>, and SiO<sub>2</sub>). It is shown that MCT leads to a significant decrease in the size of particles, while UST either does not affect their size or leads to an insignificant increase in their size due to aggregation. It is established that a decrease in particle size is accompanied by an increase in the band gap. The dilution of photoactive oxides decreases the metronidazole oxidative destruction rate constant. The reaction rate constant, which refers to a unit mass of a photoactive oxide, and metronidazole conversion decrease for all samples when the size of photoactive oxide particles is decreased (in the range of 20-50 nm).</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"125 - 132"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142596108","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
Vapor-Phase Carbonylation of Methanol with the Obtaining of Acetyls on Solid-Phase Catalysts: A Review 在固相催化剂上气相羰基化甲醇并获得乙酰基：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-10-31 DOI: 10.1007/s11237-024-09811-x
A. Y. Kapran, Y. I. Pyatnitsky, V. I. Chedryk, S. M. Orlyk
{"title":"Vapor-Phase Carbonylation of Methanol with the Obtaining of Acetyls on Solid-Phase Catalysts: A Review","authors":"A. Y. Kapran,&nbsp;Y. I. Pyatnitsky,&nbsp;V. I. Chedryk,&nbsp;S. M. Orlyk","doi":"10.1007/s11237-024-09811-x","DOIUrl":"10.1007/s11237-024-09811-x","url":null,"abstract":"<p>The thermodynamic and kinetic aspects of vapor-phase carbonylation of methanol are considered, in particular the effect of temperature on the equilibrium yield of products and probable routes of acetyls production. The influence of the catalyst composition on the course of the target process, the influence of hydrogen as a gas promoter on the selectivity/yield of acetyls, the peculiarities of the course of the tandem process (coupling of decomposition and carbonylation of methanol) are analyzed.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 2","pages":"77 - 90"},"PeriodicalIF":0.7,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595988","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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