Yijun Dong, Yu-Ping Zhang, Min Tan, Jun Liu, Haie Chen, Pei Yuan
{"title":"A solid waste with special surface wettability under-liquid used for surfactant-stabilized emulsion separation","authors":"Yijun Dong, Yu-Ping Zhang, Min Tan, Jun Liu, Haie Chen, Pei Yuan","doi":"10.1002/jccs.202400296","DOIUrl":"https://doi.org/10.1002/jccs.202400296","url":null,"abstract":"<p>Inspired by the strong adsorption of oil and moisture for the ashes of mosquito-repellent incense (MRI) in daily life, their potential application for the highly efficient separation of water-in-oil (W/O) and oil-in-water (O/W) emulsions was developed. Scanning electron microscopy (SEM) and energy spectrometer (EDS) were used to determine the micromorphology and composition of the MRI ashes. The packed ashes were both superhydrophilicity/superoleophilicity in the air, and underwater superoleophobicity/under-oil superhydrophobicity. Based on the special dual wettability of the ash layer, the resultant packed column was used for the efficient separation of O/W emulsions and the corresponding W/O emulsions, respectively. The separation flux of different types of O/W and W/O emulsions was over 2×10<sup>4</sup> L/m<sup>2</sup>h and their separation efficiencies were maintained at over 95%. The waste MRI ashes without any physical and chemical treatment provided a new idea for the selection of efficient separation materials.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"72 1","pages":"65-71"},"PeriodicalIF":1.6,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117856","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":"Contents and Masthead: Journal of the Chinese Chemical Society 11/2024","authors":"","doi":"10.1002/jccs.1861","DOIUrl":"https://doi.org/10.1002/jccs.1861","url":null,"abstract":"","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1861","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cover: Journal of the Chinese Chemical Society 11/2024","authors":"","doi":"10.1002/jccs.1860","DOIUrl":"https://doi.org/10.1002/jccs.1860","url":null,"abstract":"<p><b>Focus of the figure</b>: The photocatalytic degradation performance of biosynthesized nanoparticles for the eco-purification of pharmaceutical-polluted water was studied and demonstrated to be an economical remediation method with remarkable recyclability potential. Overall, the biogenic entities' oxygenated functional groups employed for nanoparticle biosynthesis contributed to the •OH and O2• dominance in the photocatalytic degradation operation. More details about this figure will be discussed by Dr. Stephen S. Emmanuel and his co-workers on pages 1332-1357 in this issue.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":"1331"},"PeriodicalIF":1.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1860","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preview: Journal of the Chinese Chemical Society 11/2024","authors":"","doi":"10.1002/jccs.202411001","DOIUrl":"https://doi.org/10.1002/jccs.202411001","url":null,"abstract":"","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":"1416"},"PeriodicalIF":1.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.202411001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of the host lattice on crystallographic, Raman, optical, and luminescent properties on the terbium ion","authors":"Anees A. Ansari, M. A. Majeed Khan","doi":"10.1002/jccs.202400314","DOIUrl":"https://doi.org/10.1002/jccs.202400314","url":null,"abstract":"<p>A comparative study of the Gd<sub>2</sub>O<sub>3</sub>:Tb and Y<sub>2</sub>O<sub>3</sub>:Tb nanoparticles (NPs) was presented to examine the influence of the host lattices on the crystallographic phase, surface characteristics, optical properties, Raman effect, and photoluminescence properties. Cubic shapes Gd<sub>2</sub>O<sub>3</sub>:Tb and Y<sub>2</sub>O<sub>3</sub>:Tb NPs with an estimated crystalline size of 17 and 11 nm were recorded from the X-ray diffraction pattern, respectively. Comparative absorption spectra of both oxides NPs were presented to examine the dispersibility, colloidal stability, and optical behavior of the NPs. Energy bandgap values were estimated to monitor the optical characteristics of the metal oxides in the UV/Vis region. Fourier transform infrared was recorded to confirm the surface-attached water and organic moieties. The Raman spectra of metal oxides were recorded to examine the symmetrical dis-order and polarizability of the vibrational bands. The ionic radius of the atoms distorts the bond structure resulting in it greatly influenced the vibrational bands of the materials. The emission spectra certified the effective doping of the luminescent Tb<sup>3+</sup>-ion in the metal oxide host lattices. Raman spectra and emission spectra validated the crystal symmetry imperfections; subsequently, the efficiency of the Raman active modes and emission transitions was greatly influenced. In a comparative analysis, Y<sub>2</sub>O<sub>3</sub>:Tb NPs exhibited higher luminescence intensity in comparison with the Gd<sub>2</sub>O<sub>3</sub>:Tb NPs.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1473-1481"},"PeriodicalIF":1.6,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860453","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":"Phosphine-mediated one-pot reactions: Syntheses of β-acylated alkylidene indandiones and furo[2,3-f]dibenzotropones via MBH-type annulation/acylation or Wittig reaction","authors":"Po-Chung Chien, You-Jie Chen, Gangababu Marri, Yi-Ru Chen, Ching-Fen Chang, Pei-Shan Wu, Wenwei Lin","doi":"10.1002/jccs.202400275","DOIUrl":"https://doi.org/10.1002/jccs.202400275","url":null,"abstract":"<p>Phosphine-mediated one-pot reactions have been developed that involve two mechanistically distinct reactions assembled in one reaction vessel via the sequential addition process. The first step involves MBH-type annulation of <i>α</i>,<i>β</i>-ynones to afford cyclic products in each case, which then engages in subsequent <i>β</i>-acylation or intramolecular Wittig reactions. The reaction conditions are mild and efficient, providing acylated alkylidene indandiones in 70%–99% yields or furo[2,3-<i>f</i>]dibenzotropones in 65%–91% yields, respectively.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1482-1495"},"PeriodicalIF":1.6,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860454","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}
Batoul Makiabadi, Fereshteh Naderi, Mohammad Zakarianezhad
{"title":"Theoretical investigation of Diels–Alder reaction mechanism and regioselectivity with functionalized fullerene derivatives","authors":"Batoul Makiabadi, Fereshteh Naderi, Mohammad Zakarianezhad","doi":"10.1002/jccs.202400206","DOIUrl":"https://doi.org/10.1002/jccs.202400206","url":null,"abstract":"<p>Density functional theory (DFT) was used to study the mechanism of Diels–Alder (DA) reaction between 2-Methyl- 1,3 Butadiene (MBD) with B<sub>12</sub>N<sub>12</sub>, B<sub>6</sub>N<sub>6</sub>C<sub>12</sub> and B<sub>6</sub>C<sub>12</sub>N<sub>6</sub> fullerens in the gas phase. In this mechanism, B-N bonds of four-membered and six-membered rings of nanocages were chosen to react with MBD. Due to the existence of two types of B-N bonds, two competitive pathways (<b><i>a</i></b> and <b><i>b</i></b>) were investigated. The effect of the substitution of carbon atoms instead of boron and nitrogen atoms on the stability of the structures and the regioselectivity of the DA reaction was examined. The potential energy of all structures and the activation barrier for all reaction pathways was evaluated. The chemical reactivity of fullerens using the molecular quantum descriptors was assessed. To evaluate the global electron density transfer in transition states (TS) structures, the natural bond orbital (NBO) analysis was performed.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1418-1426"},"PeriodicalIF":1.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859927","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":"Synthesis, structural characterization, water ad-/de-sorption isotherm, and CO2 uptakes of a 2D Cu(I) metal organic framework with 1,3,5-tris(4-pyridylethynyl)benzene (L) and Tricyanomethanide (tcm−) ligands","authors":"Chih-Chieh Wang, Yu-Ching Wu, Yu-Chen Chung, En-Che Yang, Gene-Hsiang Lee, Su-Ying Chien, Po-Ya Chang, Hwo-Shuenn Sheu","doi":"10.1002/jccs.202400268","DOIUrl":"https://doi.org/10.1002/jccs.202400268","url":null,"abstract":"<p>A d<sup>10</sup> Cu(I) two-dimensional (2D) metal–organic framework (MOF) with chemical formulas, {[Cd(L)(tcm)(H<sub>2</sub>O)]⋅2H<sub>2</sub>O}<sub>n</sub> (<b>1</b>) (L = 1,3,5-tris(4-pyridylethynyl)benzene; tcm<sup>−1</sup> = tricyanomethanide) was synthesized and structurally characterized by single crystal X-ray diffraction method. In <b>1</b>, the coordination geometry of Cu(I) ion is distorted tetrahedral coordinated to four N atoms from three L and one tcm<sup>−</sup> ligands. A 2D puckered honeycomb-like layer is formed via the bridges of Cu(I) ions and L ligands with <i>tris</i>-monodentate coordination mode. Two 2D layers are mutually interpenetrated via the <i>π</i>–<i>π</i> stacking interaction between benzene ring of L ligand and pyridyl ring of neighboring L ligand to form a two-fold interpenetrated 2D net and then arranged orderly to construct its 3D supramolecular network. Thermal stability and in-situ temperature-dependent structural variations of <b>1</b> are performed by TG analysis associated with temperature-dependent PXRD measurement. The water vapor ad-/de-sorption isotherm and CO<sub>2</sub> adsorption isotherm of <b>1</b> are measured and discussed.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1464-1472"},"PeriodicalIF":1.6,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862283","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":"Synthesis of low-cost microporous activated carbon adsorbents for CO2 capture from Palmyra palm fruit shell waste biomass","authors":"Shobanaboyina Swapna, Manne Parusha Ramudu, Police Vishnu Vardhan Reddy, Gande Ravi Kumar, Gaddameedi Hima Bindu, Challa Prathap, Dosali Mallesh","doi":"10.1002/jccs.202400261","DOIUrl":"https://doi.org/10.1002/jccs.202400261","url":null,"abstract":"<p>Using chemical activation techniques at dissimilar carbonization temperatures, activated carbon adsorbents were produced from Palmyra palm fruit biomass in this work. X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, laser Raman spectroscopy, scanning electron microscopy, CHNS-elemental analysis, and N<sub>2</sub> adsorption studies were among the characterization techniques used to assess the characteristics of the carbon adsorbents. The carbon adsorbents from Palmyra palm fruit were used to absorb CO<sub>2</sub> in a temperature range of 25–70°C. The findings of the characterization showed that these carbons have a large surface area and microporosity. The temperature of carbonization and the activating agent had an impact on the surface characteristics. The samples with the highest adsorption capacity, 4.70 mmol/g at 25°C, were the activated carbons made by treating them with KOH and then carbonizing them at 750°C. The physicochemical properties of the adsorbents provided an explanation for their high adsorption capacity. The adsorbents showed simple desorption and maintained constant activity during ten cycles of recycling.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1435-1447"},"PeriodicalIF":1.6,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862303","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":"Basic understanding of Cu-SSZ-13 in catalyzing low-temperature selective catalytic reduction of NOx by ammonia","authors":"Yujie Wang, Tao Zhu, Yunzhe Zhao, Xiaobin Hao","doi":"10.1002/jccs.202400205","DOIUrl":"https://doi.org/10.1002/jccs.202400205","url":null,"abstract":"<p>The development of Cu-SSZ-13 represents a significant breakthrough in the field of NO<sub>x</sub> removal from mobile exhaust, demonstrating excellent selective catalytic reduction (SCR) activity across a broad temperature range (200–500°C). However, the limited reactivity of Cu-SSZ-13 at temperatures below 200°C poses a challenge for the removal of NO<sub>x</sub> emitted during vehicle cold starts. To stimulate new efforts to enhance low-temperature SCR performance, this review provides a fundamental understanding of the nature of Cu-SSZ-13 in catalyzing the SCR reaction. The structures, coordination environments, and oxidation states of Cu<sup>2+</sup> during the SCR reaction, as well as the redox cycle pathway of Cu<sup>2+</sup> ions and the characteristics of the rate-determining step, were discussed. Based on these insights, several strategies for improving the low-temperature activity of Cu-SSZ-13 are proposed. Finally, the review offers a perspective on the future of low-temperature SCR of NO<sub>x</sub> over Cu-SSZ-13.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1448-1463"},"PeriodicalIF":1.6,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142861307","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}