IF 10.5 4区化学

结构化学 Pub Date : 2026-08-01 Epub Date: 2026-04-20 DOI: 10.1016/j.cjsc.2026.100949

Zhaoke Jin, Weizhou Chen, Yifan Hou, Yuting Ye, Xiuzhen Wang, Xiaofeng Yi, Jian Zhang

{"title":"Alkoxy chain-length engineering in heterometallic In–Sn-oxo clusters for nanolithography","authors":"Zhaoke Jin, Weizhou Chen, Yifan Hou, Yuting Ye, Xiuzhen Wang, Xiaofeng Yi, Jian Zhang","doi":"10.1016/j.cjsc.2026.100949","DOIUrl":"10.1016/j.cjsc.2026.100949","url":null,"abstract":"<div><div>The limited solubility and solution processability of metal-oxo clusters often hinder their practical applications. To address this, we employed a ligand engineering strategy to synthesize a family of In4Sn4-oxo clusters (InOC-31 to InOC-37) sharing an identical core but functionalized with alkoxy ligands of progressively increasing chain lengths (C1–C7). The influence of alkoxy chain length and conformation on solubility, solution processability, patterning mechanism, and lithographic performance is thoroughly investigated. Solubility in 4-heptanone increases monotonically from 14.7 mg/mL (C1, InOC-31) to 31.4 mg/mL (C7, InOC-37). The resulting clusters exhibit excellent stability and tunable solubility, enabling high-quality thin-film fabrication via spin-coating. Four representative clusters (InOC-31 to InOC-34) each achieved fine patterning at 50 nm linewidth, with the propoxy-functionalized InOC-33 exhibiting optimal performance, including high sensitivity and better line edge roughness. Combined experimental and theoretical analyses reveal that the exposure mechanism involves Sn–butylene/phenyl–Sn crosslinking, multipath cleavage of carboxylate ligands, and competing decomposition routes of the alkoxy ligands. Notably, we propose a novel mechanism wherein alkoxy chain length dictates the decomposition route proceeding either via direct dissociation or through β-H elimination to form alkenes which critically governs the observed variations in lithographic performance. This newly elucidated lithographic mechanism provides valuable insights for the design of next-generation metal-based photoresist materials.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 8","pages":"Article 100949"},"PeriodicalIF":10.5,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148710147","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

Mixing enthalpy-induced monodispersed Pb–Zr dual-atomic catalysts for efficient photocatalytic hydrogen peroxide production 混合焓诱导单分散Pb-Zr双原子催化剂用于高效光催化过氧化氢生产

IF 10.5 4区化学

结构化学 Pub Date : 2026-08-01 Epub Date: 2026-03-31 DOI: 10.1016/j.cjsc.2026.100940

Wei Zhang, Dan Liu, Haishan Zhu, Longzhou Jin, Shijie Li, Fang Yang, Yihong Zhang, Chunqiang Zhuang

{"title":"Mixing enthalpy-induced monodispersed Pb–Zr dual-atomic catalysts for efficient photocatalytic hydrogen peroxide production","authors":"Wei Zhang, Dan Liu, Haishan Zhu, Longzhou Jin, Shijie Li, Fang Yang, Yihong Zhang, Chunqiang Zhuang","doi":"10.1016/j.cjsc.2026.100940","DOIUrl":"10.1016/j.cjsc.2026.100940","url":null,"abstract":"<div><div>Efficient separation and utilization of photogenerated carriers remain central challenges in photocatalysis. Dual-atom systems offer unique opportunities to regulate carrier dynamics through synergistic interactions, yet their rational designs are still lacking. Here, we propose a design strategy for dual-atom photocatalysts (DACs) based on mixing enthalpy. Guided by this concept, a PbZr dual-atom system was successfully obtained on a carbon nitride support (C3N4). It exhibits outstanding performance in photocatalytic hydrogen peroxide (H2O2), delivering a yield of 69 mmol/g, which is 2.7 times higher than that of pristine C3N4 and surpasses that of the corresponding single-atom photocatalysts Pb–C3N4 (37.1 mmol/g) and Zr–C3N4 (41.1 mmol/g). Carrier dynamics reveals that synergistic interactions between dual atoms promotes efficient charge separation and transport. Mechanistic investigations demonstrate that H2O2 generation over PbZr–C3N4 proceeds predominantly via an oxygen reduction-driven two-electron pathway. This work establishes a mixing-enthalpy-guided principle for the rational design of efficient DACs for oxygen reduction reactions.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 8","pages":"Article 100940"},"PeriodicalIF":10.5,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148710138","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

Boosting efficient electrocatalytic CO2 reduction by two-dimensional polyoxometalate@metal-organic framework composites with asymmetric sites 具有不对称位点的二维polyoxometalate@metal-organic框架复合材料促进高效电催化CO2还原

IF 10.5 4区化学

结构化学 Pub Date : 2026-08-01 Epub Date: 2026-04-14 DOI: 10.1016/j.cjsc.2026.100948

Teng-Fei Yao, Guo-Ping Yang, Yao-Yu Wang

{"title":"Boosting efficient electrocatalytic CO2 reduction by two-dimensional polyoxometalate@metal-organic framework composites with asymmetric sites","authors":"Teng-Fei Yao, Guo-Ping Yang, Yao-Yu Wang","doi":"10.1016/j.cjsc.2026.100948","DOIUrl":"10.1016/j.cjsc.2026.100948","url":null,"abstract":"<div><div>To address environmental challenges associated with CO2 emissions, the electrocatalytic reduction of CO2 to CO has emerged as a promising strategy. Silver-based catalysts exhibit high selectivity for CO, yet their performance is limited by the high energy barrier of the proton-coupled electron transfer step. Enhancing ∗H generation is therefore key to lowering this barrier and improving catalytic efficiency. Herein, a rational design integrating polyoxometalates (POMs) with controlled solvent ratios is reported to induce asymmetric active sites, enabling the synthesis of two types of two-dimensional silver-based polyoxometalate@metal-organic framework (POM@MOF) composites (Ag-TPT-SiW12-1 and Ag-TPT-SiW12-2, TPT = 2,4,6-tris(4-pyridyl)-1,3,5-triazine). Ag-TPT-SiW12-2 contains asymmetric bifunctional sites (Ag–N2O1 and Ag–N3) that operate synergistically: Ag–N2O1 activates CO2, while Ag–N3 promotes ∗H generation, thereby accelerating the formation of the ∗COOH intermediate and enhancing overall catalytic activity, compared with Ag-TPT-SiW12-1. Ag-TPT-SiW12-2 achieves a CO Faradaic efficiency exceeding 90% over a wide potential range (−0.7 V to −1.2 V vs. RHE), maximum at 94.2% at −1.0 V, which is 120% of that of Ag-TPT-SiW12-1. Theoretical calculations combined with experiments indicate that POMs donate electrons to catalytic centers, while cooperative interaction between the asymmetric bifunctional sites lowers the hydrogenation activation energy barrier. This work presents a new paradigm for designing high-performance electrocatalysts through precise electronic modulation and reaction pathway optimization.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 8","pages":"Article 100948"},"PeriodicalIF":10.5,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148710146","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

Boosting H2S conversion with S-scheme Cd0.5Zn0.5S/TiO2 nanotube arrays photoanode s方案Cd0.5Zn0.5S/TiO2纳米管阵列光阳极提高H2S转化率

IF 10.5 4区化学

结构化学 Pub Date : 2026-08-01 Epub Date: 2026-04-22 DOI: 10.1016/j.cjsc.2026.100961

Wenqi Wang, Xiajie Zhang, Ting Gao, Lin Ju, Dongqiu Zhao, Enzhou Liu

{"title":"Boosting H2S conversion with S-scheme Cd0.5Zn0.5S/TiO2 nanotube arrays photoanode","authors":"Wenqi Wang, Xiajie Zhang, Ting Gao, Lin Ju, Dongqiu Zhao, Enzhou Liu","doi":"10.1016/j.cjsc.2026.100961","DOIUrl":"10.1016/j.cjsc.2026.100961","url":null,"abstract":"<div><div>The development of mild, environmentally-friendly, and low-energy hydrogen sulfide (H2S) conversion technologies is critical for energy and environmental sustainability. Herein, a cadmium zinc sulfide/titanium dioxide (Cd0.5Zn0.5S/TiO2) heterojunction photoanode was fabricated via hydrothermal deposition of Cd0.5Zn0.5S nanoparticles on TiO2 nanotube arrays, Subsequently, it was integrated with an iodide ion/triiodide ion (I−/I3−) redox-mediated system to construct a photoelectrocatalytic (PEC) platform for resource utilization of H2S. At an applied bias of 1.8 V, the Cd0.5Zn0.5S/TiO2 heterojunction achieved a photocurrent density of 1.9 mA·cm−2, which was 5.7 times that of pure TiO2. Moreover, it maintained a stable photocurrent density of 0.98 mA·cm−2 at 0.6 V. Mechanistic analyses indicated that the staggered band structure of the heterojunction enhanced photogenerated carrier separation, while the I−/I3− cycle enabled selective oxidation of H2S to elemental sulfur (S0), thereby preventing the formation of polysulfides and the passivation of the photoanode. A single 5 h PEC cycle yielded 25 mL of H2 and recoverable sulfur, realizing synchronous hydrogen (H2) production and H2S detoxification without the need for complex separation steps. This research offers a novel material design strategy for high-performance PEC-H2S conversion systems and provides technical insights for green valorization of sulfide pollutants.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 8","pages":"Article 100961"},"PeriodicalIF":10.5,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148710149","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

Halogen effect on non-conventional organogel with controlled ultra-long room temperature phosphorescence and fast-response 具有可控超长室温磷光和快速响应的非常规有机凝胶的卤素效应

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-02-28 DOI: 10.1016/j.cjsc.2026.100919

Shuzhan Chen, Yi Shi, Huayang Liang, Huamiao Lin, Peng Geng, Dan Luo, Haichuang Lan, Shuzhang Xiao

{"title":"Halogen effect on non-conventional organogel with controlled ultra-long room temperature phosphorescence and fast-response","authors":"Shuzhan Chen, Yi Shi, Huayang Liang, Huamiao Lin, Peng Geng, Dan Luo, Haichuang Lan, Shuzhang Xiao","doi":"10.1016/j.cjsc.2026.100919","DOIUrl":"10.1016/j.cjsc.2026.100919","url":null,"abstract":"<div><div>Supramolecular gels exhibiting ultra-long organic room temperature phosphorescence (UORTP) are highly sensitive to external stimuli and show great potential for dynamic anti-counterfeiting applications. While our previous work successfully developed several supramolecular organogels with UORTP properties, their phosphorescence quantum yields (QYs) remained relatively low, likely due to comparatively weak intermolecular interactions. In this study, two novel halogen-functionalized UORTP organogelators (m-ClPBCM and m-BrPBCM) were designed and synthesized. The introduction of halogen bonding not only preserves the gelation capability but also enhances the phosphorescence QY. Especially, the m-BrPBCM gel exhibits the highest phosphorescence QY (2.12%, surpassing m-ClPBCM at 1.7% and exceeding the non-brominated m-PBCM by more than eightfold), with a lifetime reaching 203.8 ms. Moreover, both wet and dry m-BrPBCM gels display reversible phosphorescence switching upon rapid heating and cooling, demonstrating second-scale stimuli-responsive performance. This work provides promising candidates for dynamic anti-counterfeiting applications.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 7","pages":"Article 100919"},"PeriodicalIF":10.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148573664","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

Construction of S-scheme CuBi2O4/BiOI heterojunction with oxygen vacancy for efficient photocatalytic CO2-to-CH4 conversion 带氧空位的S-scheme CuBi2O4/BiOI异质结的构建及其光催化co2到ch4的高效转化

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-02-23 DOI: 10.1016/j.cjsc.2026.100913

Weina Shi, Leilei Zhang, Ran Zhang, Baocheng Yang, Jiao Guo, Xiaowei Guo, Haoran Ma, Ji-Chao Wang

{"title":"Construction of S-scheme CuBi2O4/BiOI heterojunction with oxygen vacancy for efficient photocatalytic CO2-to-CH4 conversion","authors":"Weina Shi, Leilei Zhang, Ran Zhang, Baocheng Yang, Jiao Guo, Xiaowei Guo, Haoran Ma, Ji-Chao Wang","doi":"10.1016/j.cjsc.2026.100913","DOIUrl":"10.1016/j.cjsc.2026.100913","url":null,"abstract":"<div><div>S-scheme heterojunction has demonstrated high superiority in the separation and transfer of charge carriers, which is desirable for efficient photocatalytic CO2 reduction into high-value-added chemical feedstocks. Herein, BiOI flake supported on CuBi2O4 rod (CBO/BOI) with oxygen vacancy was in-situ developed. The CBO/BOI composite demonstrates superior photocatalytic performance for CO2 reduction with H2O vapor compared with the individual components. Notably, the product of CO2 reduction changes from CO/CH4 to exclusively CH4 by modulating oxygen vacancies. The CH4 and O2 yields of the optimal CBO/BOI-07 catalyst are 121.7 and 232.6 μmol/gcat/h under visible light illumination, with an apparent quantum yield of 2.25% at 405 nm. The S-scheme charge transfer mode at the CBO/BOI interface is demonstrated through in-situ XPS analysis and theoretical simulations. Furthermore, the presence of oxygen vacancy significantly influences the adsorptive behavior of ∗CO intermediates, which is crucial for selective conversion of CO2 to CH4. Based on the in-situ Fourier transform infrared spectroscopy and adsorption studies, the reaction mechanism of photocatalytic CO2 reduction is speculated and experimentally validated.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 7","pages":"Article 100913"},"PeriodicalIF":10.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148558572","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

Emerging halide perovskite ferroelectric semiconductors: Structural diversity, chemical design and optoelectronic applications 新兴卤化物钙钛矿铁电半导体：结构多样性、化学设计和光电子应用

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-03-10 DOI: 10.1016/j.cjsc.2026.100921

Yating You, Xiaoqi Li, Qianxi Wang, Xitao Liu, Zhihua Sun, Junhua Luo

{"title":"Emerging halide perovskite ferroelectric semiconductors: Structural diversity, chemical design and optoelectronic applications","authors":"Yating You, Xiaoqi Li, Qianxi Wang, Xitao Liu, Zhihua Sun, Junhua Luo","doi":"10.1016/j.cjsc.2026.100921","DOIUrl":"10.1016/j.cjsc.2026.100921","url":null,"abstract":"<div><div>Ferroelectrics, characterized by an electrically switchable spontaneous polarization, have attracted great attention in the past century for their diverse physical properties and widespread application prospects. Particularly, halide perovskite ferroelectric semiconductors have emerged for their distinctive synergistic interaction between ferroelectric polarization and photo-excited properties, providing a versatile platform for boosting photoelectronic functionality. This review provides a comprehensive summary of the recent advancements of emerging halide perovskite ferroelectric semiconductors, focusing on their structural diversity, design strategies and optoelectronic applications. The future development directions and application prospects of this ferroelectric semiconductor material system are also predicted. This review systematically summarizes the recent research advances in the field of halide perovskite ferroelectrics, explicitly identifies the key existing challenges in this area, and proposes the core research directions and development prospects for the future.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 7","pages":"Article 100921"},"PeriodicalIF":10.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148588618","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

Surface confined nano-copper synergistically promotes the Dehydrogenation of cyclohexanol to cyclohexanone 表面约束纳米铜协同促进环己醇脱氢生成环己酮

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-02-26 DOI: 10.1016/j.cjsc.2026.100917

Xue Zhao, Cuiyu Li, Qiao Ye, Hongqin Wang, Yicheng Zhang, Nihong An

引用次数: 0

Innovative plasmonic photocatalysis for biomass upgrading 生物质升级的创新等离子体光催化

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-02-26 DOI: 10.1016/j.cjsc.2026.100918

Ye Su, Han Meng, Hongyi Gao

引用次数: 0

Ternary sulfide/triazinyl COF S-scheme photocatalyst: Enhanced H2O2 production and fs-TA mechanistic study 三元硫化物/三嗪基COF s型光催化剂：促进H2O2生成及fs-TA机理研究

IF 10.5 4区化学

结构化学 Pub Date : 2026-07-01 Epub Date: 2026-03-14 DOI: 10.1016/j.cjsc.2026.100925

Yue Zhao, Shu Lin, Kezhen Qi, Li Zhao

{"title":"Ternary sulfide/triazinyl COF S-scheme photocatalyst: Enhanced H2O2 production and fs-TA mechanistic study","authors":"Yue Zhao, Shu Lin, Kezhen Qi, Li Zhao","doi":"10.1016/j.cjsc.2026.100925","DOIUrl":"10.1016/j.cjsc.2026.100925","url":null,"abstract":"<div><div>The construction of heterojunctions to delay photogenerated electron (e−) and hole (h+) recombination by integrating the advantages of ternary sulfides and two-dimensional (2D) planar covalent organic frameworks (COFs) is an effective strategy for enhancing photocatalytic performance. In this work, CdIn2S4/COF (CIS–COF) composites with an S-scheme heterostructure were fabricated via a self-assembly method. The CIS–COF composites combine the broad light absorption and high specific surface area of COFs with the strong conduction band (CB) reduction capability of CIS, leading to efficient charge separation through the S-scheme mechanism. Compared with pristine CIS (4669.8 μmol g−1 h−1) and COF (1729.8 μmol g−1 h−1), CIS–COF achieved a markedly higher hydrogen peroxide (H2O2) yield of 11889.4 μmol g−1 h−1. Electron paramagnetic resonance (EPR) analysis revealed that superoxide and hydroxyl radicals were the dominant reactive species. The interfacial charge transfer pathway was elucidated using in-situ light-illuminated X-ray photoelectron spectroscopy (XPS), Kelvin probe force microscopy (KPFM), and femtosecond transient absorption spectroscopy (fs-TA). Ultraviolet photoelectron spectroscopy (UPS) confirmed Fermi level alignments consistent with an S-scheme configuration, supporting the proposed photocatalytic mechanism. The enhanced performance is attributed to the built-in electric field at the heterojunction interface, which promotes directional charge transfer and suppresses recombination. This study highlights the crucial role of COFs in constructing efficient S-scheme heterostructures providing new insights into photogenerated carrier dynamics for high-performance photocatalytic H2O2 production.</div></div>","PeriodicalId":10151,"journal":{"name":"结构化学","volume":"45 7","pages":"Article 100925"},"PeriodicalIF":10.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148558573","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

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