Inorganics最新文献_第10页

Significantly Enhanced Self-Cleaning Capability in Anatase TiO2 for the Bleaching of Organic Dyes and Glazes 锐钛矿TiO2在有机染料和釉料漂白中的自清洁能力显著增强

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-18 DOI: 10.3390/inorganics11080341

Tiangui Zhao, T. Cao, Q. Bao, Weixia Dong, Ping Li, X. Gu, Yunzi Liang, Jian-er Zhou

{"title":"Significantly Enhanced Self-Cleaning Capability in Anatase TiO2 for the Bleaching of Organic Dyes and Glazes","authors":"Tiangui Zhao, T. Cao, Q. Bao, Weixia Dong, Ping Li, X. Gu, Yunzi Liang, Jian-er Zhou","doi":"10.3390/inorganics11080341","DOIUrl":"https://doi.org/10.3390/inorganics11080341","url":null,"abstract":"In this study, the Mg2+-doped anatase TiO2 phase was synthesized via the solvothermal method by changing the ratio of deionized water and absolute ethanol Vwater/Vethanol). This enhances the bleaching efficiency under visible light. The crystal structure, morphology, and photocatalytic properties of Mg-doped TiO2 were characterized by X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy, N2 adsorption-desorption, UV-Vis spectroscopy analysis, etc. Results showed that the photocatalytic activity of the Mg2+-doped TiO2 sample was effectively improved, and the morphology, specific surface area, and porosity of TiO2 could be controlled by Vwater/Vethanol. Compared with the Mg-undoped TiO2 sample, Mg-doped TiO2 samples have higher photocatalytic properties due to pure anatase phase formation. The Mg-doped TiO2 sample was synthesized at Vwater/Vethanol of 12.5:2.5, which has the highest bleaching rate of 99.5% for the rhodamine B dye during 80 min under visible light. Adding Mg2+-doped TiO2 into the phase-separated glaze is an essential factor for enhancing the self-cleaning capability. The glaze samples fired at 1180 °C achieved a water contact angle of 5.623° at room temperature and had high stain resistance (the blot floats as a whole after meeting the water).","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45518431","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

In Situ Preparation of 2D Co-B Nanosheets@1D TiO2 Nanofibers as a Catalyst for Hydrogen Production from Sodium Borohydride 二维Co-B Nanosheets@1D二氧化钛纳米纤维的原位制备及其在硼氢化钠制氢中的催化作用

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-18 DOI: 10.3390/inorganics11080342

I. Maafa, N. Zouli, A. Abutaleb, A. Yousef, Isam Y. M. Qudsieh, S. Matar, A. S. M. Adam, M. M. El-Halwany

{"title":"In Situ Preparation of 2D Co-B Nanosheets@1D TiO2 Nanofibers as a Catalyst for Hydrogen Production from Sodium Borohydride","authors":"I. Maafa, N. Zouli, A. Abutaleb, A. Yousef, Isam Y. M. Qudsieh, S. Matar, A. S. M. Adam, M. M. El-Halwany","doi":"10.3390/inorganics11080342","DOIUrl":"https://doi.org/10.3390/inorganics11080342","url":null,"abstract":"In this study, 2D Co-B nanosheet-decorated 1D TiO2 nanofibers (2D Co-B NS-decorated 1D TiO2 NFs) are synthesized via electrospinning and an in situ chemical reduction technique. The as-prepared catalyst showed excellent catalytic performance in H2 generation from sodium borohydride (SBH). When compared to naked Co-B nanoparticles, the catalytic activity of the 2D Co-B NS-decorated 1D TiO2 NFs catalyst for the hydrolysis of SBH is significantly enhanced, as demonstrated by the high hydrogen generation rate (HGR) of 6020 mL min−1 g−1 at 25 °C. The activation energy of hydrolysis was measured to be 30.87 kJ mol−1, which agreed with the reported values. The catalyst also showed good stability. Moreover, the effects of SBH, catalyst concentration, and temperature on the catalytic performance of 2D Co-B NS-decorated 1D TiO2 NFs were studied to gain a comprehensive understanding of the dehydrogenation mechanism of SBH. Based on these findings, we conclude that 2D Co-B NS-decorated 1D TiO2 NFs are effective catalytic materials for the dehydrogenation of SBH.","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44822594","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

Heterotridentate Organomonophosphines in Pt(η3-P1C1C2)(Y) and Pt(η3-P1C1N1)(Y) Derivatives—Structural Aspects Pt（η3-P1C1C2）（Y）和Pt（ω3-P1C1N1）（Y

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-16 DOI: 10.3390/inorganics11080338

M. Melnik, V. Mikušová, P. Mikuš

引用次数: 0

Research and Application Progress of Inverse Opal Photonic Crystals in Photocatalysis 反蛋白石光子晶体在光催化中的研究与应用进展

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-15 DOI: 10.3390/inorganics11080337

Hongming Xiang, Shu Yang, Emon Talukder, Chenyan Huang, Kaikai Chen

引用次数: 0

Sn(IV)porphyrin-Anchored TiO2 Nanoparticles via Axial-Ligand Coordination for Enhancement of Visible Light-Activated Photocatalytic Degradation Sn（IV）卟啉轴向配位锚定TiO2纳米粒子增强可见光活性光催化降解

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-15 DOI: 10.3390/inorganics11080336

N. Shee, Hee-Joon Kim

引用次数: 2

Circular Dichroism Spectroscopic Studies on Solution Chemistry of M(II)-Monensinates in Their Competition Reactions M（II）-莫能酸盐竞争反应溶液化学的圆二色谱研究

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-13 DOI: 10.3390/inorganics11080334

Máté Levente Kis, Bálint Hajdu, P. Dorkov, Ivayla N. Pantcheva, B. Gyurcsik

{"title":"Circular Dichroism Spectroscopic Studies on Solution Chemistry of M(II)-Monensinates in Their Competition Reactions","authors":"Máté Levente Kis, Bálint Hajdu, P. Dorkov, Ivayla N. Pantcheva, B. Gyurcsik","doi":"10.3390/inorganics11080334","DOIUrl":"https://doi.org/10.3390/inorganics11080334","url":null,"abstract":"The chirality of the polyether ionophore monensic acid A can be successfully used to study its coordination ability in solution. A complementary approach to gain new insights into the complexation chemistry of the antibiotic (studied previously by circular dichroism (CD) spectroscopy in the ultraviolet range (UV-CD)) is presented. (1) Methods: The CD spectroscopy in the visible (VIS-CD) and near-infrared (NIR-CD) range is applied to evaluate the affinity of deprotonated monensic acid A (monensinate A) towards Ni(II) or Co(II) cations in methanolic solution. Competition experiments between a variety of colorless divalent metal ions for binding the ligand anion were also performed. (2) Results: The stability constants of the species observed in binary Ni(II)/Co(II)-monensinate systems and their distribution were reevaluated with the VIS- and NIR-CD techniques. The data confirmed the formation of mono and bis complexes depending on the metal-to-ligand molar ratio. The studies on the systems containing two competing divalent metal cations exclude the formation of ternary complex species but provide an opportunity to also calculate the stability constants of Zn(II), Mg(II), and Ca(II) monensinates. (3) Conclusions: The advantages of CD spectroscopy in the VIS-NIR range (“invisible” ligand and metal salts, “visible” chiral complex species) simplify the experimental dataset evaluation and increase the reliability of computed results.","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43022792","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

Matching Polynomial-Based Similarity Matrices and Descriptors for Isomers of Fullerenes 富勒烯同分异构体的匹配多项式相似矩阵和描述符

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-13 DOI: 10.3390/inorganics11080335

K. Balasubramanian

引用次数: 0

Efficient Disposal of Rhodamine 6G and Acid Orange 10 Dyes from Aqueous Media Using ZrO2/CdMn2O4/CdO as Novel and Facilely Synthesized Nanocomposites ZrO2/CdMn2O4/CdO纳米复合材料高效处理水中罗丹明6G和酸性橙10染料

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-12 DOI: 10.3390/inorganics11080333

Ehab A. Abdelrahman, Faisal K. Algethami, H. AlSalem, Mona S. Binkadem, M. Khairy, F. Saad, G. S. El-Sayyad, Z. Alqahtani

{"title":"Efficient Disposal of Rhodamine 6G and Acid Orange 10 Dyes from Aqueous Media Using ZrO2/CdMn2O4/CdO as Novel and Facilely Synthesized Nanocomposites","authors":"Ehab A. Abdelrahman, Faisal K. Algethami, H. AlSalem, Mona S. Binkadem, M. Khairy, F. Saad, G. S. El-Sayyad, Z. Alqahtani","doi":"10.3390/inorganics11080333","DOIUrl":"https://doi.org/10.3390/inorganics11080333","url":null,"abstract":"It is essential to remove rhodamine 6G and acid orange 10 dyes from contaminated water because they can induce cancer and irritate the lungs, skin, mucous, membranes, and eyes. Hence, in the current work, the Pechini sol–gel method was used for the facile synthesis of ZrO2/CdMn2O4/CdO as novel nanocomposites at 600 and 800 °C. The synthesized nanocomposites were used as novel adsorbents for the efficient removal of rhodamine 6G and acid orange 10 dyes from aqueous media. The nanocomposites, which were synthesized at 600 and 800 °C, were abbreviated as EK600 and EK800, respectively. The synthesized nanocomposites were characterized by EDS, XRD, N2 adsorption/desorption analyzer, and FE-SEM. The patterns of XRD showed that the average crystal size of the EK600 and EK800 nanocomposites is 68.25 and 85.32 nm, respectively. Additionally, the images of FE-SEM showed that the surface of the EK600 nanocomposite consists of spherical, polyhedral, and rod shapes with an average grain size of 99.36 nm. Additionally, the surface of the EK800 nanocomposite consists of polyhedral and spherical shapes with an average grain size of 143.23 nm. In addition, the BET surface area of the EK600 and EK800 nanocomposites is 46.33 and 38.49 m2/g, respectively. The optimal conditions to achieve the highest removal of rhodamine 6G and acid orange 10 dyes are pH = 8, contact time = 24 min, and temperature = 298 kelvin. The greatest removal capacity of the EK600 and EK800 adsorbents towards rhodamine 6G dye is 311.53 and 250.63 mg/g, respectively. Additionally, the greatest removal capacity of the EK600 and EK800 adsorbents towards acid orange 10 dye is 335.57 and 270.27 mg/g, respectively. The removal of rhodamine 6G and acid orange 10 dyes using the EK600 and EK800 adsorbents is spontaneous, exothermic, follows the Langmuir adsorption isotherm, and fits well with the pseudo-first-order kinetic model.","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42666093","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: 3

Symmetrical and Unsymmetrical Dicopper Complexes Based on Bis-Oxazoline Units: Synthesis, Spectroscopic Properties and Reactivity 基于双恶唑啉单元的对称和不对称双铜配合物的合成、光谱性质和反应性

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-11 DOI: 10.3390/inorganics11080332

J. Isaac, G. Gellon, F. Molton, C. Philouze, N. le Poul, C. Belle, Aurore Thibon-Pourret

{"title":"Symmetrical and Unsymmetrical Dicopper Complexes Based on Bis-Oxazoline Units: Synthesis, Spectroscopic Properties and Reactivity","authors":"J. Isaac, G. Gellon, F. Molton, C. Philouze, N. le Poul, C. Belle, Aurore Thibon-Pourret","doi":"10.3390/inorganics11080332","DOIUrl":"https://doi.org/10.3390/inorganics11080332","url":null,"abstract":"Copper–oxygen adducts are known for being key active species for the oxidation of C–H bonds in copper enzymes and their synthetic models. In this work, the synthesis and spectroscopic characterizations of such intermediates using dinucleating ligands based on a 1,8 naphthyridine spacer with oxazolines or mixed pyridine-oxazoline coordination moieties as binding pockets for copper ions have been explored. On the one hand, the reaction of dicopper(I) complexes with O2 at low temperature led to the formation of a µ-η2:η2 Cu2:O2 peroxido species according to UV-Vis spectroscopy monitoring. The reaction of these species with 2,4-di-tert-butyl-phenolate resulted in the formation of the C–C coupling product, but no insertion of oxygen occurred. On the other hand, the synthesis of dinuclear Cu(II) bis-µ-hydroxido complexes based on pyridine–oxazoline and oxazoline ligands were carried out to further generate CuIICuIII oxygen species. For both complexes, a reversible monoelectronic oxidation was detected via cyclic voltammetry at E1/2 = 1.27 and 1.09 V vs. Fc+/Fc, respectively. Electron paramagnetic resonance spectroscopy (EPR) and UV-Vis spectroelectrochemical methods indicated the formation of a mixed-valent CuIICuIII species. Although no reactivity towards exogeneous substrates (toluene) could be observed, the CuIICuIII complexes were shown to be able to perform hydroxylation on the methyl group of the oxazoline moieties. The present study therefore indicates that the electrochemically generated CuIICuIII species described herein are capable of intramolecular aliphatic oxidation of C–H bonds.","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47966806","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

Copper(II) and Platinum(II) Naproxenates: Insights on Synthesis, Characterization and Evaluation of Their Antiproliferative Activities Naproxenates铜（II）和铂（II）的合成、表征和抗增殖活性评价

IF 2.9 4区化学

Inorganics Pub Date : 2023-08-10 DOI: 10.3390/inorganics11080331

Amanda A. Silva, S. C. L. Frajácomo, Á. Cruz, Kaio Eduardo Buglio, Daniele Daiane Affonso, M. C. Portes, A. Ruiz, J. D. de Carvalho, W. Lustri, D. Pereira, A. M. da Costa Ferreira, P. Corbi

{"title":"Copper(II) and Platinum(II) Naproxenates: Insights on Synthesis, Characterization and Evaluation of Their Antiproliferative Activities","authors":"Amanda A. Silva, S. C. L. Frajácomo, Á. Cruz, Kaio Eduardo Buglio, Daniele Daiane Affonso, M. C. Portes, A. Ruiz, J. D. de Carvalho, W. Lustri, D. Pereira, A. M. da Costa Ferreira, P. Corbi","doi":"10.3390/inorganics11080331","DOIUrl":"https://doi.org/10.3390/inorganics11080331","url":null,"abstract":"The growth of antibiotic resistance is a matter of worldwide concern. In parallel, cancer remains one of the main causes of death. In the search for new and improved antiproliferative agents, one of the strategies is the combination of bioactive ligands and metals that are already consolidated in the synthesis of metallopharmaceutical agents. Thus, this work deals with the synthesis, characterization, and study of naproxen (Nap)-based complexes of copper(II) and platinum(II) as antiproliferative agents. The copper complex (Cu–Nap) presents a binuclear paddle-wheel structure in a 1 Cu:2 Nap:1 H2O molar composition, in which Cu(II) is bonded to the carboxylate oxygens from naproxenate in a bidentate bridging mode. The platinum complex (Pt–Nap) was identified as the square planar cis-[Pt(Nap)2(DMSO)2] isomer, in which Pt(II) is bonded to the carboxylate oxygen atom of Nap in a monodentate fashion. Both complexes were inactive against the Gram-positive and Gram-negative bacterial strains assessed. Pt–Nap presented low cytostatic behavior over a set of tumor cells, but good viability for normal cells, while Cu–Nap was cytotoxic against all cells, with a cytocidal activity against glioma tumor cells.","PeriodicalId":13572,"journal":{"name":"Inorganics","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48017516","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