Inorganic Chemistry最新文献_第3页

High-Throughput Synthesis and Screening of Cyclometalated Iridium Complexes for Antibacterial Applications 抗菌环金属化铱配合物的高通量合成与筛选

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-28 DOI: 10.1021/acs.inorgchem.6c03421

David R. Husbands, Megan G. Dangerfield, Athi Welsh, Lukas Geciauskas, Çağrı Özsan, Kiera Robinson, Richard Gammons, Angelo Frei

{"title":"High-Throughput Synthesis and Screening of Cyclometalated Iridium Complexes for Antibacterial Applications","authors":"David R. Husbands, Megan G. Dangerfield, Athi Welsh, Lukas Geciauskas, Çağrı Özsan, Kiera Robinson, Richard Gammons, Angelo Frei","doi":"10.1021/acs.inorgchem.6c03421","DOIUrl":"10.1021/acs.inorgchem.6c03421","url":null,"abstract":"The discovery ofnovel antibiotics to address the riseof antimicrobialresistance is an increasingly pressing issue for global health. Inrecent years, transition-metal complexes have gained attention aspotential antibacterial agents. We herein describe a new methodologyto generate novel cyclometalated iridium compounds with bidentateSchiff ligands in a high-throughput combinatorial approach, alongsidethe expansion of an existing approach using bidentate pyridine-triazoleligands, with the aim of finding new metalloantibiotics. A total of552 new complexes were synthesized and evaluated. Variety in the librarieswas introduced by including three cyclometalating phenylpyridine ligands,demonstrating that the synthesis can tolerate both electron-rich andelectron-poor metal scaffolds while using mild and biologically compatibleconditions. Screening of the crude reaction mixtures in a direct-to-biologyapproach revealed a number of highly active complexes against Gram-positivebacteria, which was confirmed by resynthesis and further testing oflead compounds. This approach widens the scope of metal complex combinatorialchemistry, enabling rapid exploration of the chemical space involvingcyclometalated iridium complexes.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"25793–25807"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149281934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

One-Dimensional Semi-Rigid Bis(1H-Benzimidazole)-Functionalized Reduced Phosphomolybdate Complexes with Distinct Bridging Metal Assemblies for Electrochemical Sensing of Trace Cr(VI) 具有不同桥接金属组件的一维半刚性双（1h -苯并咪唑）功能化还原磷钼酸盐配合物电化学传感痕量铬（VI）

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 DOI: 10.1021/acs.inorgchem.6c04415

Feng-Cai Li,Xi-Li Li,Cong-Li Gao,Qing-Xiang Yang,Ling-Yu Yue

{"title":"One-Dimensional Semi-Rigid Bis(1H-Benzimidazole)-Functionalized Reduced Phosphomolybdate Complexes with Distinct Bridging Metal Assemblies for Electrochemical Sensing of Trace Cr(VI)","authors":"Feng-Cai Li,Xi-Li Li,Cong-Li Gao,Qing-Xiang Yang,Ling-Yu Yue","doi":"10.1021/acs.inorgchem.6c04415","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.6c04415","url":null,"abstract":"Rational development of polyoxometalate-based metal–organic complexes (MOCs) for enhanced electrochemical sensing performance in wastewater remains a significant challenge in environmental remediation. Two reduced phosphomolybdate-based MOCs functionalized with a semirigid bis(1H-benzimidazole) ligand, (H2bbix)2[Mn(H2O)3]2{Mn[P4Mo6O31H7]2}·6H2O (1) and (H2bbix)2[Co(H2O)2][Na(H2O)]2{Co[P4Mo6O31H7]2}·6H2O (2) (bbix = 1,4-bis(benzimidazol-1-ylmethyl)benzene), were hydrothermally synthesized. Single-crystal X-ray diffraction reveals adjacent {Mn[P4Mo6O31H7]2}8– polyoxoanions are linked by homometallic {[Mn(H2O)3]2}4+ ions to form 1D inorganic chains in 1. Meanwhile, 2 features 1D chains assembled from {Co[P4Mo6O31H7]2}8– clusters and heterometallic {[Co(H2O)2][Na(H2O)]2}4+ units. The 3D supramolecular frameworks of 1 and 2 are constructed from these 1D chains and protonated [H2bbix]2+ cations via intermolecular hydrogen bonds. Both compounds display excellent reversible redox properties and favorable electrochemical sensing toward trace Cr(VI). 2 exhibits significantly superior performance with a lower limit of detection (LOD) of 38.9 nM (2.01 ppb) and a higher sensitivity of 0.445 mA·μM–1 than that of 1 (LOD: 52.8 nM (2.74 ppb), sensitivity: 0.327 mA·μM–1). Mechanistic studies indicate that the synergistic effects of reduced {Co[P4Mo6O31H7]2}8– clusters, the heterometallic Co–O–Na bridge, and the bbix ligand in 2 collectively accelerate electron-transfer kinetics and mass transport. This study establishes a design strategy for high-performance electrochemical Cr(VI) sensing materials by modulating reduced phosphomolybdate structures, providing new insights for aqueous trace Cr(VI) detection.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"9 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149368339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

From K4SrP2S8 to Na4SrP2S8: Alkali-Metal Cation Substitution Induces Noncentrosymmetric Structure and Moderate Second Harmonic Generation 从K4SrP2S8到Na4SrP2S8：碱金属阳离子取代诱导非中心对称结构和适度二次谐波产生

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 DOI: 10.1021/acs.inorgchem.6c05021

Wenhao Xing,Zhihui Zhang,Jian Tang,Fei Liang,Wenlong Yin

{"title":"From K4SrP2S8 to Na4SrP2S8: Alkali-Metal Cation Substitution Induces Noncentrosymmetric Structure and Moderate Second Harmonic Generation","authors":"Wenhao Xing,Zhihui Zhang,Jian Tang,Fei Liang,Wenlong Yin","doi":"10.1021/acs.inorgchem.6c05021","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.6c05021","url":null,"abstract":"Designing sulfide compounds with noncentrosymmetric structures is an important approach for the development of functional materials. We present the successful preparation of an unreported quaternary sulfide, Na4SrP2S8, through high-temperature solid-state synthesis. Na4SrP2S8 crystallizes in the noncentrosymmetric tetragonal space group P4̅n2. Alongside a wide direct band gap of 3.78 eV, the material shows a moderate phase-matchable second-harmonic generation response reaching 0.58 × AgGaS2─a combination that ensures excellent resistance to two-photon absorption. First-principles calculations reveal that the nonlinear optical (NLO) performance is predominantly governed by the synergistic covalent interactions within the high-dipole-moment [PS4] and [NaS4] units (specifically the S–P and Na–S bonds), while the Sr-related ionic interactions contribute negligibly. Overall, this study validates alkali-metal cation substitution as a promising strategy for constructing noncentrosymmetric chalcogenides, and also provides a promising structural prototype for high-performance infrared NLO materials.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"10 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149368354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Caffeinated-N-Heterocyclic Carbene Ligand at Play in a Molecular H2-Evolving Cobalt Electrocatalyst 咖啡因- n -杂环羰基配体在分子h2演化钴电催化剂中的作用

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-23 DOI: 10.1021/acs.inorgchem.6c03838

Sanajit Kumar Mandal, Saswati Ray, Chandana Sunil, Sheetal Ranaut, Sushanta Talukdar, Shivnath Mazumder, Joyanta Choudhury

{"title":"Caffeinated-N-Heterocyclic Carbene Ligand at Play in a Molecular H2-Evolving Cobalt Electrocatalyst","authors":"Sanajit Kumar Mandal, Saswati Ray, Chandana Sunil, Sheetal Ranaut, Sushanta Talukdar, Shivnath Mazumder, Joyanta Choudhury","doi":"10.1021/acs.inorgchem.6c03838","DOIUrl":"10.1021/acs.inorgchem.6c03838","url":null,"abstract":"Inthis work, we implemented a proton-responsive caffeine wingtipat the strong sigma-donor N-heterocyclic carbene(NHC) ligand in a new cobalt complex C-2 for the hydrogenevolution reaction (HER) with various proton sources. The NHC ligandis expected to boost the hydricity of the Co–H bond for thereaction with H+. In parallel, the proton-responsive functionalityof the caffeine wingtip should help in shuttling protons to the catalyticcenter to facilitate the formation of the Co–H bond and H2 and thereby should improve the rate of the HER. Cyclic voltammetry(CV) and controlled potential electrolysis (CPE) experiments usingCH3CO2H, Et3NHBF4, andCF3CO2H as proton sources showed that C-2 was an efficient HER catalyst, achieving maximum turnoverfrequency (TOFmax) values in the range of 2592–13,270s–1, Faradaic efficiency (FE) values of 75–90%at the overpotential range of 0.40–0.73 V, and turnover number(TON) values of 81–216. Detailed CV analyses highlighted somekey mechanistic insights into the electron- and proton-transfer stepsinvolved in the C-2-based catalytic cycles with acidsubstrates. Overall, the work supports the possibilities of HER catalystdesign using biosourced ligand motifs such as caffeine and many othernucleobases with Earth-abundant transition metals.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"25899–25911"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149241755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Multi-Emission Regulated by Coordination Bonding and Protonation in Chiral Hybrid Zinc(II) Halides for Circularly Polarized Luminescence and Anticounterfeiting 手性杂化锌（II）卤化物的配位键和质子化调控多发射及圆偏振发光及防伪

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-27 DOI: 10.1021/acs.inorgchem.6c04955

Wei-Wei Bai, Ying-Ying Zeng, Ya-Meng Lou, Hong-Ru Fu, Ya-Pan Wu, Dong-Sheng Li

{"title":"Multi-Emission Regulated by Coordination Bonding and Protonation in Chiral Hybrid Zinc(II) Halides for Circularly Polarized Luminescence and Anticounterfeiting","authors":"Wei-Wei Bai, Ying-Ying Zeng, Ya-Meng Lou, Hong-Ru Fu, Ya-Pan Wu, Dong-Sheng Li","doi":"10.1021/acs.inorgchem.6c04955","DOIUrl":"10.1021/acs.inorgchem.6c04955","url":null,"abstract":"Luminescent hybrid metal halides (HMHs) have emergedas promisingplatforms for circularly polarized luminescence (CPL); however, theirrational design remains challenging due to the limited understandingof the relationship between structural chirality and the luminescencedissymmetry factor (glum). Herein, using chiral 2,2′-bipyridine-basedenantiomers and by modulating the synthesis pathways, two pairs ofchiral Zn(II) hybrids ([Zn(R/S-L)3][ZnBr4] (R-HH-1/S-HH-1) and [H2R/S-L][ZnBr4] (R-HH-2/S-HH-2)) were synthesized. In R-HH-1/S-HH-1, [Zn(R/S-L)3] node adopts Λ- and Δ-enantiomorphic configurations, R-HH-1/S-HH-1 exhibited blue fluorescenceand green room-temperature phosphorescence (RTP). The luminescenceof R-HH-2/S-HH-2 is dominated bygreen self-trapped exciton (STE) emission. Importantly, these twopairs of chiral HMHs have high glum values; especially,the glum values of R-HH-2/S-HH-2 are +12.23 × 10–3 and −11.68× 10–3, improved by the hierarchical chiralhydrogen-bonding networks. Meanwhile, these HMHs exhibit photochromicproperties for anticounterfeiting. This work provides an approachfor the design of high-performance chiroptical HMHs.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"26206–26215"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149250962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Crystal Structure and Bioinspired Reactivity of an Ambient-Stable Mononuclear Copper(III)-Azide Complex 环境稳定单核铜（III）叠氮化物配合物的晶体结构和生物激发反应性

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-27 DOI: 10.1021/acs.inorgchem.6c04981

Alok Panigrahi, Chinmay Parida, Prasenjit Mondal

{"title":"Crystal Structure and Bioinspired Reactivity of an Ambient-Stable Mononuclear Copper(III)-Azide Complex","authors":"Alok Panigrahi, Chinmay Parida, Prasenjit Mondal","doi":"10.1021/acs.inorgchem.6c04981","DOIUrl":"10.1021/acs.inorgchem.6c04981","url":null,"abstract":"Thesynthesis, stabilization, and structural characterization ofhigh-valent copper complexes are critical for understanding biologicaland chemical oxidation processes and for developing new catalytictransformations. Herein, we report the ambient generation of a novelterminal mononuclear CuIII–N3 complexsupported by a dicarboxamide ligand, H2L (H2L = N,N′-(2,6-diisopropylphenyl)-2,6-pyridinedicarboxamide).The electronic and structural features of the terminal azide ligandplay a crucial role in controlling the stability and reactivity ofthe CuIII-complex. The high-valent complex [(L)CuIII(N3)] (2) was prepared from Bu4N[(L)CuII(N3)] (1) through a one-electronoxidation process. Both complexes 1 and 2 were characterized by X-ray crystallography and UV–vis, 1H/13C NMR, FT-IR, and EPR spectroscopies, and ESI-MS.The single-crystal X-ray structure of 2─a rareexample of a crystallographically characterized mononuclear CuIII–N3 complex─revealed shortenedCu–N bond distances (Cu–Navg. = 1.878(2)vs 1.972(1) Å). Fascinatingly, 2 performed directazidation of very strong C–H bonds in hydrocarbons (e.g.; cyclohexane).We found that complex 2 drives hydrocarbon azidationvia hydrogen atom abstraction or basicity-driven PCET and a subsequentradical-capture mechanism. 2 also exhibited aldehydedeformylation, and phenol and phosphine oxidation reactions. Our resultsfound a very interesting new class of metal oxidant with diverse bioinspiredreactivity profile.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"26216–26227"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149250964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 Proton Conduction in a Hydrogen-Bonded Co(II) Framework through Pendant Carboxylic Acid-Decorated 1D Channels 通过悬垂羧酸修饰的一维通道在氢键Co（II）框架中的高质子传导

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-29 DOI: 10.1021/acs.inorgchem.6c04748

Rudra Chand, Maniprakundil Neeshma, Punnappadam Rajan Suraj, SantoshKumar D Bhat, Subhadip Neogi

{"title":"High Proton Conduction in a Hydrogen-Bonded Co(II) Framework through Pendant Carboxylic Acid-Decorated 1D Channels","authors":"Rudra Chand, Maniprakundil Neeshma, Punnappadam Rajan Suraj, SantoshKumar D Bhat, Subhadip Neogi","doi":"10.1021/acs.inorgchem.6c04748","DOIUrl":"10.1021/acs.inorgchem.6c04748","url":null,"abstract":"A two-dimensionalCo(II) metal–organic framework, FCG-7 (FCG = FrameworkChemistry Group of CSIR-CSMCRI), containingpendant carboxylic acid (−COOH) groups was rationally constructedto investigate the role of intrinsic proton-donating sites in solid-stateproton transport. Crystallographic study divulged a hydrogen-bondedlayered framework in which the uncoordinated −COOH groups projecttoward one-dimensional channels, providing accessible sites for interactionwith guest water molecules. The activated framework (FCG-7a) exhibits good hydrolytic and thermal stability, a lower water contactangle of 48.6°, and a proton conductivity of 1.25 × 10–3 S cm–1 at 80 °C and 95% relativehumidity (RH). The low activation energy (0.22 eV) is in agreementwith a predominantly Grotthuss-type proton-hopping mechanism. Protontransport is strongly humidity-dependent, with conductivity increasingapproximately 1600-fold from 60% to 95% RH at 80 °C, highlightingthe participation of confined water molecules in establishing extendedhydrogen-bonding pathways. To evaluate the contribution of pendant−COOH groups, a structurally analogous framework, FCG-10, lacking pendant carboxylic acid functionality, was prepared througha molecular-scissoring strategy. FCG-10a exhibits a lowerconductivity of 3.5 × 10–4 S cm–1 under identical conditions. These results highlight a structure-guidedstrategy wherein accessible acidic sites and water-mediated hydrogen-bondingnetworks promote proton transport in crystalline frameworks","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"26195–26205"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149281878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Photoresponsive Ruthenium(II) Isomeric Switches in Solution: Leveraging Asymmetry in Ligand Design for Precision in Photoactivated Chemotherapy 溶液中的光响应性钌（II）异构体开关：利用光激活化疗中配体设计的不对称性

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-29 DOI: 10.1021/acs.inorgchem.6c04011

Pritha Chatterjee, Feven-Alemu Korsaye, Ramranjan Mishra, Ilaria Ciofini, Ashis K. Patra

{"title":"Photoresponsive Ruthenium(II) Isomeric Switches in Solution: Leveraging Asymmetry in Ligand Design for Precision in Photoactivated Chemotherapy","authors":"Pritha Chatterjee, Feven-Alemu Korsaye, Ramranjan Mishra, Ilaria Ciofini, Ashis K. Patra","doi":"10.1021/acs.inorgchem.6c04011","DOIUrl":"10.1021/acs.inorgchem.6c04011","url":null,"abstract":"Ligand orientation is emerging as a powerful, underexploitedleverfor tuning the photoreactivity of Ru(II) complexes, although its mechanisticbasis remains unclear. Herein, we report a systematic isomeric series,[RuII(ptpy)(N^N)(DMSO)]2+ (ptpy = 4′-phenyl-2,2′:6′,2″-terpyridine),based on unsymmetrical picolylamine/picolylimine N^N donors, alongsidethe bpy-based reference complex [3]. Crystal structuresof four geometrical isomers ([1]AMD, [2]AMD,[1]IMD, [2]IMD) pinpoint how donor placement,which possibly could reshape the excited-state behavior. Visible-lightirradiation in acetonitrile triggers clean DMSO photosubstitution,yet the amine and imine platforms diverge sharply in outcome, giving∼3:2 vs. 1:3 Npy-cis-MeCN:Npy-trans-MeCN product ratios. Strikingly,isomers wherein −NH2 /═NH- trans to DMSO react substantially faster despite virtually invariant Ru–DMSObond lengths across the series, showing that kinetic control arisesin the excited state, not from ground-state structural perturbation.Light drives reversible switching between geometrical isomers viaa plausible common pentacoordinate intermediate, revealing previouslyunrecognized structural flexibility in this ligand class. TDDFT calculationsassign the 1MLCT absorptions and rationalize the photosubstitution-inducedred shift to selective access to dissociative 3MC states,identifying this excited-state pathway as the origin of rate differencesand a predictive design principle. Collectively, these findings establishligand orientation as a rational, structure-based handle for engineeringRu(II) excited-state reactivity, positioning this thermally robust,visible-light-responsive scaffold as a promising PACT platform.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"26017–26035"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149281880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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-Entropy MnFeCoNiZn-ZIF Couples Interfacial Hole Transfer with Water Oxidation Kinetics in Metal Oxide Photoanodes 高熵MnFeCoNiZn-ZIF耦合界面空穴转移与金属氧化物光阳极水氧化动力学

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-29 DOI: 10.1021/acs.inorgchem.6c04401

Jinlan Peng, Kewei Wu, Pengcheng Mao, Xiaoqing Qiu, Wenzhang Li

{"title":"High-Entropy MnFeCoNiZn-ZIF Couples Interfacial Hole Transfer with Water Oxidation Kinetics in Metal Oxide Photoanodes","authors":"Jinlan Peng, Kewei Wu, Pengcheng Mao, Xiaoqing Qiu, Wenzhang Li","doi":"10.1021/acs.inorgchem.6c04401","DOIUrl":"10.1021/acs.inorgchem.6c04401","url":null,"abstract":"Photoelectrochemical water oxidationis constrained by inefficientinterfacial hole transfer and sluggish oxygen evolution kinetics insemiconductor photoanodes. Here, a high-entropy MnFeCoNiZn zeoliticimidazolate framework (HEZ) cocatalyst was constructed on BiVO4 by in situ potentiostatic electrodeposition. The ultrathin,structurally disordered HEZ layer integrates compositionally diversemetal sites with an electronically coupled semiconductor/cocatalystinterface. Raman and X-ray photoelectron spectroscopy reveal pronouncedinterfacial electronic redistribution and valence-state regulationof the multimetallic centers, while photoluminescence and modulatedphotocurrent/photovoltage measurements reveal reduced radiative recombinationand accelerated interfacial hole transfer. Density functional theorycalculations further show that Zn incorporation into MnFeCoNi-ZIFlowers the free-energy requirement of the key *O-to-*OOH step from1.28 to 0.95 eV and produces a more balanced oxygen-evolution free-energyprofile. Consequently, HEZ-BiVO4 delivers a photocurrentdensity of 6.23 mA cm–2 at 1.23 V versus the reversiblehydrogen electrode, an applied-bias photon-to-current efficiency of1.91%, a bulk charge-separation efficiency of 99.6%, and a surfacecharge-injection efficiency of 95%. The photoanode retains 94% ofits initial photocurrent after 10 h. Extension of HEZ modificationto Fe2O3 and WO3 demonstrates a transferablestrategy for coupling interfacial charge management with multimetallicwater-oxidation catalysis.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"65 44","pages":"26121–26131"},"PeriodicalIF":4.6,"publicationDate":"2026-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149281935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Correction to “Revisiting the Cocktail Effect in High-Entropy Layered Double Hydroxides: Linear Additivity Rather than Emergent Behavior” 修正“重访高熵层状双氢氧化物的鸡尾酒效应：线性可加性而非涌现行为”

IF 4.6 2区化学

Inorganic Chemistry Pub Date : 2026-11-09 Epub Date: 2026-10-24 DOI: 10.1021/acs.inorgchem.6c05276

Tosapol Maluangnont, Saichon Sriphan, Evgeniy Seliverstov, Olga Lebedeva, Sirapat Tiwtusthada, Piyasan Praserthdam, Supareak Praserthdam

引用次数: 0