Chemistry - An Asian Journal最新文献

{"title":"Hydrogenated Cardanol-Based Azo and Xanthene Dyes for Petroleum Authentication.","authors":"Suthikorn Jantra, Pimjai Rattanamunee, Paitoon Rashatasakhon, Mongkol Sukwattanasinitt, Sumrit Wacharasindhu","doi":"10.1002/asia.202401947","DOIUrl":"10.1002/asia.202401947","url":null,"abstract":"<p><p>Conventional petroleum markers used to prevent fuel smuggling and unauthorized mixing often involve complex dye synthesis and require inconvenient two-phase liquid-liquid extraction for detection. In this work, we developed two azo dyes (AzoHc, diAzoHc) and two xanthene dyes (FHc, RHc) based on hydrogenated cardanol (Hc). The dyes were synthesized in 50-70 % yields via one or two reaction steps. The hydrophobic Hc group significantly enhance the solubility of these dyes, enabling excellent compatibility with organic solvents and diesel fuel. These petroleum dye markers exhibit either colorimetric or fluorescent responses and remain miscible with diesel fuel upon treatment with appropriate bases or acids in common fuel-miscible organic solvents. This fuel miscibility allows simple one-phase detection without further extraction process. All dyes demonstrated high sensitivity, with detection limits as low as 0.02-0.68 ppm, and exhibited excellent stability in diesel fuel for at least one month without significant degradation.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401947"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143490271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bubble Evolution in Rechargeable Zinc-Air Batteries: Mechanisms, Mitigation Strategies, and Future Prospects.","authors":"Jiangfeng Huang, Zhongxi Zhao, Jianwen Yu, Yi He, Peng Tan","doi":"10.1002/asia.202401792","DOIUrl":"https://doi.org/10.1002/asia.202401792","url":null,"abstract":"<p><p>Rechargeable zinc-air batteries (ZABs) are considered among the most promising power sources for portable electronic devices and electric vehicles due to their high energy density, environmental friendliness, and low production costs. However, a major challenge hindering their commercialization is the issue of gas evolution during operation. The electrochemical reactions at both the zinc electrode (hydrogen evolution reaction, HER) and the air electrode (oxygen evolution reaction, OER) result in the formation of gas bubbles. These bubbles reduce the active surface area, increase internal resistance, and disrupt the uniformity of electrochemical reactions, ultimately causing a decrease in battery performance or even failure. This work summarizes the mechanisms behind gas evolution in ZABs and explores various strategies to mitigate bubble formation, including optimizing electrode materials, pulse strategies, and structure designs. Finally, we discuss approaches to suppress gas evolution reactions and outline future research directions to enhance the performance of ZABs.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401792"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143490269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tunable Dual-emission of Mixed-lanthanide MOFs with no Antenna Effect.","authors":"Franco Castro, Fernando Igoa Saldaña, Mariela Pistón, Javier González-Platas, Carlos Kremer, Leopoldo Suescun, Julia Torres","doi":"10.1002/asia.202401496","DOIUrl":"10.1002/asia.202401496","url":null,"abstract":"<p><p>Heteronuclear zinc(II):mixed-lanthanide(III) metal organic frameworks (MOFs) bearing the formula [ <math> <semantics> <mrow> <msubsup><mrow><mi>L</mi> <mi>n</mi></mrow> <mrow><mi>x</mi></mrow> <mi>A</mi></msubsup> <msubsup><mrow><mi>L</mi> <mi>n</mi></mrow> <mrow><mi>y</mi></mrow> <mi>B</mi></msubsup> </mrow> <annotation>${{{rm L}{rm n}}_{{rm x}}^{{rm A}}{{rm L}{rm n}}_{{rm y}}^{{rm B}}}$</annotation> </semantics> </math> Zn₃(oda)₆(H₂O)₆]⋅nH₂O (Ln = lanthanide(III) ion, <math> <semantics> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>B</mi></msup> <annotation>${{{rm L}{rm n}}^{{rm B}}}$</annotation> </semantics> </math> is smaller than <math> <semantics> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>A</mi></msup> <annotation>${{{rm L}{rm n}}^{{rm A}}}$</annotation> </semantics> </math> , x+y=2, n=13 or 14) were obtained by direct reaction of the corresponding metal ion salts and oxydiacetate (^-OOC-CH₂-O-CH₂-COO^-) in aqueous solution, followed by slow solvent diffusion. This strategy led to the isolation of thirteen pure crystalline samples of isostructural hexagonal compounds (space group P6/mcc). Characterization by single-crystal X-ray diffraction was complemented by the analytical determination of the final <math> <semantics> <mrow> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>B</mi></msup> <mo>/</mo> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>A</mi></msup> </mrow> <annotation>${{{rm L}{rm n}}^{{rm B}}/{{rm L}{rm n}}^{{rm A}}}$</annotation> </semantics> </math> molar ratio by microwave induced plasma atomic emission spectrometry. Results show that the experimentally determined <math> <semantics> <mrow> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>B</mi></msup> <mo>/</mo> <msup><mrow><mi>L</mi> <mi>n</mi></mrow> <mi>A</mi></msup> </mrow> <annotation>${{{rm L}{rm n}}^{{rm B}}/{{rm L}{rm n}}^{{rm A}}}$</annotation> </semantics> </math> molar ratio is systematically higher than that set out in the synthesis, especially for combinations of Ln that have larger size differences. Dual emission luminescence is observed for the compounds containing a combination of the more efficient visible-emitting Ln (Sm, Eu, Tb, Dy). The selected aliphatic ligand does not promote antenna effect. Thus, tunable color luminescence can be achieved by selectively targeting each Ln preferential excitation wavelength. Dual emission is also observed for CeEu mixed-MOF since the simultaneous excitation of both Ln is possible. Interestingly, GdEu mixed-MOF also shows dual emission when only Gd is directly excited.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401496"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143490202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ionic Liquid-Functionalized Periodic Mesoporous Organosilica: A Robust Support for Palladium Nanoparticles in Carbonylative Suzuki Coupling Reactions.","authors":"Manan Sohanwal, Suheir Omar, Raed Abu-Reziq","doi":"10.1002/asia.202401802","DOIUrl":"10.1002/asia.202401802","url":null,"abstract":"<p><p>This study presents the synthesis and application of palladium nanoparticles (Pd NPs) supported on ionic-liquid-functionalized periodic mesoporous organosilica (PMO-IL) as an efficient heterogeneous catalyst for carbonylative Suzuki coupling reactions. The PMO-IL material was prepared via a sol-gel polycondensation process using tetraethyl orthosilicate (TEOS) and a bis-silylated ionic liquid monomer. The ionic liquid groups within the PMO framework facilitated the adsorption of palladium salts through ion exchange, followed by reduction to form Pd NPs. Comprehensive characterization of the Pd_(np)@PMO-IL system, including high-resolution microscopy (HR-SEM and HR-TEM), X-ray diffraction (XRD), solid-state NMR, FT-IR, and nitrogen adsorption-desorption (BET) analyses, confirmed its structure, morphology, and high surface area. The catalytic system demonstrated remarkable activity, selectivity, and recyclability in the carbonylative Suzuki coupling reaction, achieving high turnover numbers (TON) and turnover frequencies (TOF) under mild conditions. This hybrid material highlights the potential of ionic liquid-functionalized PMOs as versatile supports for metal nanoparticles in sustainable catalytic applications.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401802"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hypervalent Iodine(III)-Mediated Oxidative Cyclization of Exo-Cyclic Ene-Carbamate to Tetrahydroisoquinoline-Oxazol-2(3H)-one Derivatives.","authors":"Suphaporn Limjirawatthana, Poonsakdi Ploypradith, Somsak Ruchirawat, Chatphorn Theppitak, Winai Ieawsuwan","doi":"10.1002/asia.202401754","DOIUrl":"10.1002/asia.202401754","url":null,"abstract":"<p><p>The new development of a transition-metal-free method for the synthesis of THIQ-oxazol-2(3H)-one motif from exo-cyclic ene-carbamates by using hypervalent iodine as an oxidant is reported. Various functional groups substituted on the aryl rings of the ene-carbamate substrates as well as the N- and S-heterocyclic substrates afforded the corresponding THIQ-oxazol-2(3H)-one products in up to 91 % yield. Moreover, the synthetic utility was highlighted for the synthesis of phthalide-THIQ natural product, (±)-corlumine.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401754"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cu(I) - doping Induced Suppression in Multiexciton Auger Recombination in CdS Quantum Dots.","authors":"Gourab Rana, Sharmistha Das, Anindya Datta","doi":"10.1002/asia.202500220","DOIUrl":"https://doi.org/10.1002/asia.202500220","url":null,"abstract":"<p><p>Metal chalcogenide quantum dots (QDs) are attractive because of their application in photovoltaics and light emitting devices (LEDs). Non-radiative Auger recombination is a major hindrance in this regard. Doping with metal ions is an effective modality to overcome this issue. In the present work, the effect of Cu(I) doping in supressing the nonradiative Auger recombination in MPA-capped CdS QDs in aqueous medium is examined as is evidenced by ultrafast transient absorption spectroscopy and femtosecond optical gating. Doped QDs have shown a significant longer bi-exciton lifetime. This observation has proven that hole trapping to dopant energy level reduce the Auger process. This comparative study elucidates the understanding and set the practical guidelines for controlling the multicarrier Auger recombination in similar QDs.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202500220"},"PeriodicalIF":3.5,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magneto-Structural Correlations, Substitution Effects and Slow Relaxation of the Magnetization on Trinuclear Linear Ni(II) Complexes: An Experimental and Theoretical Study.","authors":"María A Palacios, María Mar Quesada-Moreno, Shefa' F Alrebei, Cristina Cuesta, Enrique Colacio, Antonio J Mota","doi":"10.1002/asia.202401565","DOIUrl":"10.1002/asia.202401565","url":null,"abstract":"<p><p>We report the preparation of three neutral linear trinuclear Ni(II) complexes [Ni₃(LX)₂] (1-3) by self-assembly of Ni(II) ions and N₃O₃-tripodal Schiff base ligands, LX, which were obtained by condensation between the triamine tris(methylhydrazine)phosphorylsulfide and salicylaldehyde derivatives with substituents X=H (L1) (1), Br (L2) (2) and NO₂ (L3) (3) in para position to the phenoxo group. Experimental magneto-structural studies carried out on these complexes indicate that the magnetic exchange interactions between the neighboring Ni(II) ions are ferromagnetic in nature, moderate in magnitude and clearly dependent of the electronic properties of the substituent in para position. Thus, the electron-withdrawing NO₂ group decreases the ferromagnetic coupling, whereas the Br substituent, with small electronic effects, does not significantly vary the exchange coupling observed for the unsubstituted complex. Theoretical calculations performed on these complexes, containing ligands with a variety of electron-donating and withdrawing groups in para position to the phenoxo group, support that the ferromagnetic coupling decreases on passing from strong electron-donating to electron-withdrawing groups. Interestingly, complexes 1-3 show weak slow relaxation of the magnetization, with relaxation times (τ) decreasing in the order: 1>2>3. These compounds represent some of the few examples of Ni(II) complexes exhibiting slow magnetic relaxation.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401565"},"PeriodicalIF":3.5,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hierarchically Ordered Macro-/Mesoporous N,P-Codoped Carbon with Fe-Co Dual Sites for Efficient Electrocatalytic Oxygen Reduction.","authors":"Fulin Li, Jing Dong, Tingting Sun, Pianpian Zhang, Yixin Zhang, Anvar A Zakhidov, Ray H Baughman, Lianbin Xu","doi":"10.1002/asia.202401761","DOIUrl":"10.1002/asia.202401761","url":null,"abstract":"<p><p>The development of high-performance, low-cost non-precious-metal electrocatalysts as alternatives to Pt-based catalysts for the oxygen reduction reaction (ORR) is crucial for promoting the commercial application of fuel cells and metal-air batteries. In this work, we report a novel type of ORR electrocatalyst with Fe and Co sites anchored on N,P-codoped hierarchically ordered macro-/mesoporous carbon (FeCo/NP-HOMMC) through a facile one-pot, controllable synthesis method with the aid of dual-templating technique. The FeCo/NP-HOMMC catalyst shows robust ORR performance under alkaline conditions with a half-wave potential (E_1/2) of 0.90 V vs. reversible hydrogen electrode (RHE), significantly surpassing the commercial 20 wt% Pt/C catalyst, while also exhibiting remarkable long-term stability and great methanol tolerance. Control experiments reveal that the superior performance of the FeCo/NP-HOMMC catalyst for ORR benefits from the synergistic catalysis of highly dispersed Fe and Co dual active sites, and the advantages of the unique hierarchically ordered macro-/mesoporous structure, which can provide improved active site accessibility, excellent conductivity, and maximized mass/charge transport.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401761"},"PeriodicalIF":3.5,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Highly Efficient Orange Phosphorescent Organic Light Emitting Diodes with Reduced Roll-Off Using Xanthene-Conjugated Carbazole and Acridone as Host Materials.","authors":"Thamodharan Viswanathan, Nisha Yadav, Nandish S H, Sandhyarani Pal, Ashish Kumar Mazumdar, Pachaiyappan Rajamalli","doi":"10.1002/asia.202401439","DOIUrl":"10.1002/asia.202401439","url":null,"abstract":"<p><p>The development of high-efficiency orange phosphorescent organic light-emitting diodes (PhOLEDs) with reduced efficiency roll-off offers significant benefits, enabling a more simplified method for producing white-OLEDs through the combination of sky blue and orange OLEDs, in contrast to the conventional use of three primary colors. Herein, we have designed and synthesized two hosts with 9-(4-(14H-dibenzo[a,j]xanthen-14-yl)phenyl)-9H-carbazole (XaPCz) and 10-(4-(14H-dibenzo[a,j]xanthen-14-yl)phenyl)acridin-9(10H)-one (XaPAc) derivatives. The singlet and triplet energies for XaPCz and XaPAc are S₁=3.65, 3.12 eV, and T₁=2.67, 2.70 eV, respectively. These materials are employed as hosts for orange PhOLEDs using bis(2-phenylquinoline) (acetylacetonate) iridium (III) [Ir(pq)₃] as an emitter. XaPCz demonstrates maximum external quantum efficiency (EQE_max) of 20.5 %, and XaPAc shows EQE_max of 22.3 % with Commission Internationale de l'Eclairage (CIE) coordinates of (0.53, 0.46) and (0.54, 0.45), respectively. In addition, the XaPAc-based device shows a lower turn-on voltage (2.5 V) and high-power efficiency of 60.0 lm/W. More importantly, both device shows reduced roll-off and retain more than 94 % of EQE_max at 1,000 cd/m². The XaPAc-based device maintains an EQE of 17.9 % even at 10,000 cd/m².</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401439"},"PeriodicalIF":3.5,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recycled Rare Earth Ions From E-Waste In Borogermanate Glasses For Magneto-Optical Applications.","authors":"Ana Elisa Berno, Fábio J Caixeta, João Pedro C Ruzene, Aline M Feltran, Leonardo V Albino, Marina P Abuçafy, Otávio de B Silva, João Pedro P Rodrigues, Elias P Ferreira-Neto, Amauri P A Rosa, Denise Bevilaqua, Marcelo Nalin, Sidney J L Ribeiro, Douglas F Franco","doi":"10.1002/asia.202401613","DOIUrl":"10.1002/asia.202401613","url":null,"abstract":"<p><p>Magneto-optical borogermanate glasses were developed by incorporating electro-electronic waste recovered from fluorescent lamps. Glasses with a composition of (41GeO₂-25B₂O₃-4Al₂O₃-10Na₂O-20BaO)-x%wst, (x=0, 10, 20, 30, and 50 wt% of waste) were prepared. The final chemical composition was determined, and the glasses were characterized through thermal, structural, morphological, optical, and magneto-optical analyses. The addition of lamp waste to the glass matrix did not induce crystallization and stable glass materials were obtained, as confirmed by thermal analysis. Raman spectroscopy has shown that the addition of different amounts of waste into the vitreous matrix induces structural rearrangements as evidenced by the vibration bands of non-bridging B-O^- bonds. Regarding optical properties, the transmittance of the glasses slightly decreased with waste incorporation. Photoluminescence showed electronic transitions attributed to the Tb³⁺ and Eu³⁺ ions and non-radiative energy transfer from the host to both Ln³⁺ ions and between them was observed. Finally, a Verdet constant value of -40.9 rad. T^-1 m^-1 at 632.8 nm was obtained, highlighting the potential of these sustainable glasses as Faraday rotators.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401613"},"PeriodicalIF":3.5,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}