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Brownian Photomotors Based on Organic Compounds: A Review 基于有机化合物的布朗光电二极管研究进展
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-08-25 DOI: 10.1007/s11237-022-09726-5
M. L. Dekhtyar
{"title":"Brownian Photomotors Based on Organic Compounds: A Review","authors":"M. L. Dekhtyar","doi":"10.1007/s11237-022-09726-5","DOIUrl":"10.1007/s11237-022-09726-5","url":null,"abstract":"<div><div><p>The main prerequisites necessary for the construction of molecular motors, in particular, organic compound-based light-driven motors, are considered and universal requirements for their operation are formulated. Various types of Brownian motors differing in the forms of directed motion are analyzed. Development prospects and molecular design strategies are provided for such nanodevices.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 2","pages":"90 - 104"},"PeriodicalIF":1.0,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4958614","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: 1
Kinetics of Low-Temperature Conversion of Carbon Monoxide with Water Vapor on Cu-Zn-Al Oxide Catalysts Cu-Zn-Al氧化物催化剂上一氧化碳与水蒸气低温转化动力学
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-08-25 DOI: 10.1007/s11237-022-09730-9
O. Ya. Loboiko, L. L. Tovazhnyanskyy, V. O. Loboiko
{"title":"Kinetics of Low-Temperature Conversion of Carbon Monoxide with Water Vapor on Cu-Zn-Al Oxide Catalysts","authors":"O. Ya. Loboiko,&nbsp;L. L. Tovazhnyanskyy,&nbsp;V. O. Loboiko","doi":"10.1007/s11237-022-09730-9","DOIUrl":"10.1007/s11237-022-09730-9","url":null,"abstract":"<div><div><p>According to the analysis of literature data and our experimental results, a kinetic equation for the low-temperature conversion of carbon monoxide with water vapor over a highly active copper–zinc–aluminum oxide catalyst is proposed. It is shown that the obtained kinetic parameters can be used to calculate the reaction rate and optimize the process.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 2","pages":"130 - 133"},"PeriodicalIF":1.0,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4959935","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 Cooperative Interactions on the Spin Crossover Phenomenon in Iron(II) Complexes: A Review 协同相互作用对铁(II)配合物中自旋交叉现象的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-08-25 DOI: 10.1007/s11237-022-09725-6
M. L. Seredyuk, K. O. Znovjyak, I. O. Fritsky
{"title":"Influence of Cooperative Interactions on the Spin Crossover Phenomenon in Iron(II) Complexes: A Review","authors":"M. L. Seredyuk,&nbsp;K. O. Znovjyak,&nbsp;I. O. Fritsky","doi":"10.1007/s11237-022-09725-6","DOIUrl":"10.1007/s11237-022-09725-6","url":null,"abstract":"<div><div><p>The theoretical principles of a spin transition phenomenon in pseudo-octahedral iron(II) complexes are summarized. The intrinsic transfer of electrons between d-orbitals of a central ion under the action of external factors and the corresponding changes in the structural, spectral, and magnetic characteristics of matter are considered. Cooperative interactions that lead to the appearance of hysteresis of physical properties have been studied in detail. Perspective areas of practical applications of compounds with spin transitions have been provided.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 2","pages":"75 - 89"},"PeriodicalIF":1.0,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4964416","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
Phase Composition and Catalytic Properties of MnNaW/SiO2 Oxide System in Oxidative Conversion of Methane MnNaW/SiO2氧化体系在甲烷氧化转化中的相组成及催化性能
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-02 DOI: 10.1007/s11237-022-09723-8
E. H. Ismailov, D. B. Taghiyev, S. M. Zulfugarova, S. N. Osmanova, G. R. Azimova, J. W. Thybaut
{"title":"Phase Composition and Catalytic Properties of MnNaW/SiO2 Oxide System in Oxidative Conversion of Methane","authors":"E. H. Ismailov,&nbsp;D. B. Taghiyev,&nbsp;S. M. Zulfugarova,&nbsp;S. N. Osmanova,&nbsp;G. R. Azimova,&nbsp;J. W. Thybaut","doi":"10.1007/s11237-022-09723-8","DOIUrl":"10.1007/s11237-022-09723-8","url":null,"abstract":"<div><div><p>MnNaW/SiO<sub>2</sub> oxide system based on a mesoporous silica matrix synthesized using tetraethoxysilane and cetyltrimethylammonium bromide as precursors were prepared and characterized by SEM/EDS, XRD, EPR, N<sub>2</sub> adsorption-desorption measurements and studied in the oxidative conversion of methane (OCM). It is shown that MnNaW/SiO<sub>2</sub> catalyst consists of MnO<sub>x</sub>, Na<sub>2</sub>WO<sub>4</sub>, MnWO<sub>4</sub>, and SiO<sub>2</sub> phases. At the reaction temperature of 750-850°C the molten Na<sub>2</sub>WO<sub>4</sub> phase covers the surface of crystalline SiO<sub>2</sub>, and the interaction of MnO<sub>x</sub>, Na<sub>2</sub>WO<sub>4</sub> and SiO<sub>2</sub> matrix forms “liquid glass”. It is assumed that Na<sub>1–y</sub>MnO<sub>x</sub> particles formed as a result of the interaction of the system components during catalyst formation and characterized by the presence of ion-radical lattice oxygen are catalytically active sites in the OCM process.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"61 - 69"},"PeriodicalIF":1.0,"publicationDate":"2022-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4090976","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 Conditions of Preparation of C,N,F-TiO2 Nanostructures on Their Photocatalytic Activity in Doxycycline Photodegradation Process C、N、F-TiO2纳米结构制备条件对强力霉素光降解光催化活性的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09720-x
N. I. Romanovska, V. M. Grebennikov, O. V. Shulzshenko, P. S. Yaremov, O. V. Selyshchev, D. R. T. Zahn, P. A. Manoryk
{"title":"Influence of Conditions of Preparation of C,N,F-TiO2 Nanostructures on Their Photocatalytic Activity in Doxycycline Photodegradation Process","authors":"N. I. Romanovska,&nbsp;V. M. Grebennikov,&nbsp;O. V. Shulzshenko,&nbsp;P. S. Yaremov,&nbsp;O. V. Selyshchev,&nbsp;D. R. T. Zahn,&nbsp;P. A. Manoryk","doi":"10.1007/s11237-022-09720-x","DOIUrl":"10.1007/s11237-022-09720-x","url":null,"abstract":"<div><div><p>It is established that the change in molar ratio (X) of NH<sub>4</sub>(HF<sub>2</sub>) and Ti(BuO)<sub>4</sub> precursors in the reaction mixture affects the crystallite sizes of the prepared co-doped C,N,F-TiO<sub>2</sub> nanostructures, their S<sub>BET</sub>, S<sub>meso</sub>, interstitial carbon content and photocatalytic activity in the doxycycline photodegradation processes under UV light irradiation. At small X (X ≤ 0.05) co-doped anatase/brookite heterostructures with the highest photocatalytic activity are formed under visible light irradiation.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"40 - 47"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4037473","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
Processes of Propene Production from Ethanol: Catalysts, Reaction Pathways and Thermodynamic Aspects: A Review 乙醇制丙烯工艺:催化剂、反应途径及热力学研究进展
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09717-6
Y. I. Pyatnitsky, L. M. Senchylo, L. Yu. Dolgikh, P. E. Strizhak
{"title":"Processes of Propene Production from Ethanol: Catalysts, Reaction Pathways and Thermodynamic Aspects: A Review","authors":"Y. I. Pyatnitsky,&nbsp;L. M. Senchylo,&nbsp;L. Yu. Dolgikh,&nbsp;P. E. Strizhak","doi":"10.1007/s11237-022-09717-6","DOIUrl":"10.1007/s11237-022-09717-6","url":null,"abstract":"<div><div><p>Reaction pathways of catalytic conversion of ethanol into propene are considered. It is shown that the highest propene yield is achieved over catalysts that direct the process in the following reaction pathway: ethanol → acetaldehyde → acetone → propene. A new promising propene production method that involves a two-stage process is discussed; ethanol is converted into acetone in the first stage while acetone is converted into propene in the second stage.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"15 - 28"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4037471","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: 1
Initiation of Polymerization of Vinyl Monomers by Copper(II) Glycylglycinate and Aminoacetate Complexes with 4-Phenylthiosemicarbazide 甘氨酸铜和氨基乙酸与4-苯基硫脲配合物引发乙烯基单体聚合的研究
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09724-7
A. V. Grekova, P. O. Ivanchenko, T. V. Koksharova, Ya. F. Burdina
{"title":"Initiation of Polymerization of Vinyl Monomers by Copper(II) Glycylglycinate and Aminoacetate Complexes with 4-Phenylthiosemicarbazide","authors":"A. V. Grekova,&nbsp;P. O. Ivanchenko,&nbsp;T. V. Koksharova,&nbsp;Ya. F. Burdina","doi":"10.1007/s11237-022-09724-7","DOIUrl":"10.1007/s11237-022-09724-7","url":null,"abstract":"<div><div><p>The ability of copper(II) complexes with 4-phenylthiosemicarbazide and amino acid anions to act as initiators of polymerization of methyl methacrylate and styrene is shown. It was found that the activation energies of polymerization and initiation in the presence of copper(II) complexes are significantly reduced in comparison with the process of thermal initiation. It is established that polymerization of methyl methacrylate initiated by the studied complexes resulted in the formation of syndiotactic polymer.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"70 - 74"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4028147","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 Chemical Structure of Molecules on Blood–Brain Barrier Permeability on the Pampa Model 分子化学结构对Pampa模型血脑屏障通透性的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09718-5
G. P. Kosinska, L. M. Ognichenko, A. O. Shyrykalova, Ya. F. Burdina, A. G. Artemenko, V. E. Kuz’min
{"title":"Influence of Chemical Structure of Molecules on Blood–Brain Barrier Permeability on the Pampa Model","authors":"G. P. Kosinska,&nbsp;L. M. Ognichenko,&nbsp;A. O. Shyrykalova,&nbsp;Ya. F. Burdina,&nbsp;A. G. Artemenko,&nbsp;V. E. Kuz’min","doi":"10.1007/s11237-022-09718-5","DOIUrl":"10.1007/s11237-022-09718-5","url":null,"abstract":"<div><div><p>2D PLS QSPR models for analyzing substance permeability across the blood-brain barrier (BBB) using PAMPA (artificial membrane permeability assay) are developed. Physico-chemical and structural interpretation of the constructed models is performed. It is shown that nitrogen-containing fragments and a significant part of oxygen-containing functional groups negatively affect the permeability of compounds across BBB. At the same time, aromatic fragments and halogens positively affect permeability. It is found that electrostatic factors have the highest effect on BBB permeability.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"29 - 33"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4036909","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: 1
Photocatalytic Obtaining and Optical Properties of Composites Based on Layered Niobates and Silver Nanoparticles 层状铌酸盐与纳米银复合材料的光催化制备及其光学性能
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09719-4
V. V. Shvalagin, G. Ya. Grodzyuk, S. Ya. Kuchmiy, M. A. Skoryk
{"title":"Photocatalytic Obtaining and Optical Properties of Composites Based on Layered Niobates and Silver Nanoparticles","authors":"V. V. Shvalagin,&nbsp;G. Ya. Grodzyuk,&nbsp;S. Ya. Kuchmiy,&nbsp;M. A. Skoryk","doi":"10.1007/s11237-022-09719-4","DOIUrl":"10.1007/s11237-022-09719-4","url":null,"abstract":"<div><div><p>The photocatalytic properties of layered semiconductors, namely KNb<sub>3</sub>O<sub>8</sub>, and a product of its acid treatment, namely K<sub>3</sub>H<sub>3</sub>Nb<sub>10.8</sub>O<sub>30</sub> in the reduction reaction of silver ions with the formation of the corresponding metal-semiconductor nanostructures are established. Electron microscopy has shown that silver nanoparticles are deposited mainly on the edges of niobate rods and plates when potassium niobate suspensions are irradiated with UV light in the presence of AgNO<sub>3</sub>. Silver nanoparticles of 10-30 nm are formed when K<sub>3</sub>H<sub>3</sub>Nb<sub>10.8</sub>O<sub>30</sub> is used as a photocatalyst; they are deposited on the niobate surface and practically do not have a surface plasmon resonance band in the visible range of the spectrum, which may be associated with the formation of Ag<sub>2</sub>O on the surface of silver nanoparticles or the formation of their chain aggregates.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"34 - 39"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4037472","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
Complexation on the Oxide Surfaces: Adsorption of Biomolecules from Aqueous Solutions: A Review 氧化物表面的络合:水溶液中生物分子的吸附:综述
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-06-01 DOI: 10.1007/s11237-022-09716-7
N. M. Vlasova, O. V. Markitan
{"title":"Complexation on the Oxide Surfaces: Adsorption of Biomolecules from Aqueous Solutions: A Review","authors":"N. M. Vlasova,&nbsp;O. V. Markitan","doi":"10.1007/s11237-022-09716-7","DOIUrl":"10.1007/s11237-022-09716-7","url":null,"abstract":"<div><div><p>Available approaches for quantitative description of the complexation processes on the surfaces of oxides in solutions are analyzed. The equilibrium constants for adsorption interactions of a number of amino acids with titanium and cerium dioxides in aqueous solutions are determined using these approaches. The mechanism of sorption of amino acids on TiO<sub>2</sub> and CeO<sub>2</sub> is proposed and features of protein sorption on the oxide sorbents are specified.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"58 1","pages":"1 - 14"},"PeriodicalIF":1.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4037470","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: 2
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