Chemical Communications最新文献

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Ferromagnetic and plastically deformable organic-inorganic hybrid crystal: (C₇H₉NH₃)₂CuCl₄. （C7H9NH3）2CuCl4有机无机杂化晶体。

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02170g

Sotaro Kusumoto, Sakura Nagasawa, Ryo Suzuki, Masaru Tachibana, Yuta Tsuji, Hikaru Zenno, Yuto Nakashima, Shinya Hayami, Yang Kim, Yoshihiro Koide

We report a plastically deformable organic-inorganic hybrid crystal, (C₇H₉NH₃)₂CuCl₄, exhibiting ferromagnetism below 8 K. Its 2D layered structure enables stress-induced plastic bending via van der Waals slip between alkyl chains. Nanoindentation reveals exceptional mechanical compliance, and magnetic studies confirm long-range ordering. This represents the first known example of a ferromagnetic crystal with plastic deformability.

我们报道了一种可塑性变形的有机-无机杂化晶体（C7H9NH3）2CuCl4，表现出低于8 K的铁磁性。它的二维层状结构可以通过烷基链之间的范德华滑移实现应力诱导的塑性弯曲。纳米压痕显示了特殊的机械顺应性，磁性研究证实了远程有序。这是已知的第一个具有塑性变形能力的铁磁晶体的例子。

引用次数: 0

Inherent Enantioselective Adsorption and Photocatalytic Removal of L-Phenylalanine on Cerium Phosphate Films 磷酸铈膜上l -苯丙氨酸的固有对映选择性吸附及光催化去除

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc01514f

Nitai Arbell, Shoval Gilboa, Yaron Paz

Chiral-surface interactions are of immense importance in the field of enantioseparation, as a way of obtaining chirally-pure compounds. Films of both rhabdophane and monazite-phase cerium phosphate in a silica binder were found to exhibit enantioselective adsorption of the chiral amino acid phenylalanine, purifying racemic solutions to 100% of the D-enantiomer. Likewise, using the photocatalytic properties of cerium phosphate led to enriching racemic mixtures to a D-L ratio of 9:1.

手性表面相互作用作为获得手性纯化合物的一种途径，在对映体分离领域具有重要意义。在二氧化硅粘合剂中发现横纹石和一氮石相磷酸铈的膜对手性氨基酸苯丙氨酸具有对映选择性吸附，将外消旋溶液净化为100%的d -对映体。同样地，利用磷酸铈的光催化特性，使外消旋混合物富集到D-L比为9:1。

引用次数: 0

Steric hindrance regulation in hydrogen-bonded organic frameworks: from nonporous to microporous 氢键有机骨架中的位阻调节：从无孔到微孔

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02617b

Xiaokang Wang, Hongyan Liu, Meng Sun, Fei Gao, Xueying Feng, Mingming Xu, Weidong Fan, Daofeng Sun

Steric hindrance regulation is key for adjusting pore environment of crystalline porous materials, yet few cases show notable structural changes affecting porosity in hydrogen-bonded organic frameworks (HOFs). Herein, we report two HOFs, UPC-HOF-15 and UPC-HOF-16, constructed with methyl- and methoxy-modified isoreticular tricarboxylic acids, respectively. Due to the distinct steric hindrance, UPC-HOF-15 with hydrogen-bonding between carboxyl groups in two peripheral phenyl rings is nonporous, whereas the hydrogen-bonding in microporous UPC-HOF-16 exists between carboxyl groups in the central phenyl ring and one peripheral phenyl ring, both leaving the rest carboxyl group forming hydrogen-bonding with solvent molecules. In addition, UPC-HOF-16 exhibits potential for methane purification. This work can provide insights into the discovery of new HOFs via steric hindrance regulation, boosting the diversification of structures and functions.

空间位阻调节是晶体多孔材料调节孔隙环境的关键，但在氢键有机骨架（HOFs）中，很少有明显的结构变化影响孔隙度。在此，我们报道了两个hof， UPC-HOF-15和UPC-HOF-16，分别由甲基和甲氧基修饰的异孔三羧酸构建。由于明显的位阻作用，UPC-HOF-15的两个外围苯基环之间的氢键是无孔的，而微孔UPC-HOF-16的氢键存在于中心苯基环和一个外围苯基环之间，其余的羧基都与溶剂分子形成氢键。此外，UPC-HOF-16还具有甲烷净化的潜力。这项工作可以为通过空间位阻调节发现新的hof提供见解，促进结构和功能的多样化。

引用次数: 0

Methyl-functionalized anionic MOFs for charge- and shape-selective adsorption of dyes in water remediation. 甲基功能化阴离子mof在水修复中对染料的电荷和形状选择性吸附。

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02426a

Qiuxia Wu, YuYang Liu, Ruiqi Zhu, Lin Zhang, Dian Zhao, Yabing He, Banglin Chen

A methyl-functionalized MOF exhibits dual-selective adsorption of linear cationic dye molecules via electrostatic attraction and steric discrimination, which are based on the anionic framework and methyl-induced pore confinement of the MOF. Its capacity to adsorb methylene blue is as high as 232.98 mg g^-1, surpassing that of the parent MOF. These results offer a robust strategy for targeted pollutant removal and guidance for the design of water-stable MOFs having multiple functions.

甲基功能化的MOF通过静电吸引和空间分辨对线性阳离子染料分子具有双重选择性吸附，这是基于MOF的阴离子框架和甲基诱导的孔限制。其对亚甲基蓝的吸附量高达232.98 mg g-1，超过母体MOF。这些结果为有针对性地去除污染物提供了强有力的策略，并为设计具有多种功能的水稳性mof提供了指导。

引用次数: 0

Group 13 Lewis acid-mediated formation of 5-oxazolone derivatives from tert-butyl isocyanoacetate† 基团13:Lewis酸介导异氰乙酸叔丁酯生成5-恶唑酮衍生物

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02623g

Zhou He, Shaoying Ju, Ting Chen, Xinghua Zhang, Douglas W. Stephan, Yile Wu

Tert-butyl isocyanoacetate 1 reacted with B(C₆F₅)₃ to give a Lewis acid-base adduct 2. GaCl₃ and GaI₃ promoted cyclization affording the N-bound Lewis acid adducts of the cyclized product 5-oxazolone derivatives 3 and 4 resulting from isocyano insertion into the ester C–O bond, with loss of isobutylene. In contrast, InBr₃ and InI₃ the analogous adducts of 5(4H)-oxazolone derivatives 5 and 6 were formed without loss of the tert-butyl group. A proposed reaction mechanism is provided for these reactions of 1.

异氰乙酸叔丁酯1与B（C₆F₅）₃反应生成刘易斯酸碱加合物2。GaCl₃和GaI₃促进了环化，使环化产物5-恶唑酮衍生物3和4的n键路易斯酸加合物由异氰基插入酯C-O键而产生，同时损失了异丁烯。相反，5(4H)-恶唑酮衍生物5和6的类似加合物InBr₃和InI₃的形成没有损失叔丁基。提出了这些反应的反应机理。

引用次数: 0

Robust engineered catalyst for the conversion of brown grease to renewable diesel via decarboxylation/decarbonylation 通过脱羧/脱羰基将棕色油脂转化为可再生柴油的强大工程催化剂

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc01451d

Great C Umenweke, Brian Hogston, Olivier Heintz, Gilles Caboche, Robert Pace, E. Santillan-Jimenez

A novel engineered Ni-Cu/Al₂O₃ decarboxylation/decarbonylation catalyst achieved quantitative conversion of brown grease, excellent yield of diesel-like hydrocarbons, effective heteroatom removal, and remarkable resistance to deactivation for hundreds of hours on stream. This offers an industrial alternative to hydrotreating for transforming waste oleaginous feedstocks into renewable diesel and sustainable aviation fuel.

一种新型Ni-Cu/Al₂O₃脱羧/脱羰基化催化剂实现了棕色油脂的定量转化、优异的类柴油烃收率、有效的杂原子去除和数百小时的抗钝化性能。这为将废油质原料转化为可再生柴油和可持续航空燃料的加氢处理提供了工业替代方案。

引用次数: 0

Coordination-tuned Na₃V₂(PO₄)₃ cathodes for low-temperature sodium-ion batteries. 低温钠离子电池用配位调谐Na3V2(PO4)3阴极。

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc00580a

Quan Yuan, Zhushun Zhang, Zhiguang Zhang, Tianyi Wang, Chengyin Wang, Likun Pan, Jiabao Li

In this work, we developed a synergistic Nb⁵⁺ doping and SiO₄^4- substitution strategy to precisely tune the local coordination environment in Na₃V₂(PO₄)₃ (NVP), achieving simultaneous structural optimization and enhanced low-temperature performance. The optimized cathode demonstrates exceptional cycling stability (96% capacity retention after 3000 cycles at 10 A g^-1 and -20 °C) and remarkable fast-charging capability (60% state of charge in 14.1 minutes at -20 °C).

在这项工作中，我们开发了一种协同Nb5+掺杂和SiO44-取代策略，以精确调整Na3V2(PO4)3 （NVP）中的局部配位环境，同时实现结构优化和低温性能增强。优化后的阴极具有出色的循环稳定性（在10 A g-1和-20°C下循环3000次后容量保持96%）和出色的快速充电能力（在-20°C下14.1分钟内充电60%）。

引用次数: 0

Metal-Nitrogen-Carbon Catalysts for Electrochemical CO₂ Reduction: From Design to Industrial Applications 电化学CO 2还原金属-氮-碳催化剂：从设计到工业应用

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02297e

Shengyao Wang, Ahmed Badreldin, Ying Li

Electrochemical CO₂ reduction reaction (eCO₂RR) offers a promising route for converting CO₂ into value-added chemicals and fuels using renewable electricity. Developing efficient, stable, and scalable catalysts is key to advancing this technology for commercialization. As non-precious metal catalysts, transition metal-nitrogen-doped carbon (M-N-C) materials have demonstrated excellent catalytic performance due to their tunable electronic structure, high activity, and structural stability. Herein, we provide a comprehensive overview of our group’s work in designing and optimizing M-N-C catalysts for eCO₂RR, focusing on metal site engineering, carbon substrate modification, and heteroatom doping strategies to enhance electrocatalytic efficiency and selectivity. We have also discussed the challenges and progresses in scaling up M-N-C catalysts synthesis, integrating M-N-C materials into membrane electrode assembly (MEA) electrolyzers, and employing tandem electrocatalytic systems to achieve multi-carbon products. Comparisons between tandem catalysts and tandem electrolyzers based on M-N-C materials are presented. The potential of coupling eCO₂RR with thermocatalysis for producing other high-value products is also briefly discussed. We envision that M-N-C catalysts based eCO₂RR will offer a viable pathway for cost-effective CO₂ utilization, while future research may focus on demonstrating long-term stability in large-scale electrolyzers and development of efficient tandem reactor systems to further validate the commercialization potential.

电化学CO₂还原反应（eCO₂RR）为利用可再生电力将CO₂转化为增值化学品和燃料提供了一条有前途的途径。开发高效、稳定、可扩展的催化剂是推进该技术商业化的关键。作为非贵金属催化剂，过渡金属-氮掺杂碳（M-N-C）材料由于其可调谐的电子结构、高活性和结构稳定性而表现出优异的催化性能。在此，我们全面概述了我们团队在设计和优化eCO₂RR M-N-C催化剂方面的工作，重点是金属位点工程，碳衬底改性和杂原子掺杂策略，以提高电催化效率和选择性。我们还讨论了扩大M-N-C催化剂合成规模，将M-N-C材料集成到膜电极组装（MEA）电解槽中，以及采用串联电催化系统实现多碳产品的挑战和进展。对M-N-C材料的串联催化剂和串联电解槽进行了比较。还简要讨论了eCO₂RR与热催化耦合生产其他高价值产品的潜力。我们设想基于M-N-C催化剂的eCO₂RR将为具有成本效益的CO₂利用提供可行的途径，而未来的研究可能侧重于证明大型电解槽的长期稳定性和高效串联反应器系统的开发，以进一步验证商业化潜力。

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引用次数: 0

Perylene diimide-based indicator displacement assays 基于苝酰亚胺的指示剂置换测定

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc01757b

Prabhpreet Singh, Lalit Singh Mittal, Kapil Kumar

The design of the indicator displacement assay (IDA) relies on displacement of the prebound chromogenic analyte, by competing analyte. The IDA concept has outgrown its domain to include a metal complex for the detection of the target analyte. The perylene diimide (PDI) possesses excellent photophysical, electronic and self-assembly properties; chemical and photostability; and biocompatibility for integration in the IDA. In this review, we discussed PDI-based IDAs for the detection of chemical and biological species such as thiols, (bio)genic amines, polyphosphates, enzymes, proteins, DNA/RNA, mycotoxins, metal ions, anions and several other miscellaneous analytes. In this review, examples of PDI-based IDAs have been discussed with focus on design, optical properties, applications and sensing mechanisms. This review will inspire the researchers to contribute and provide a basis to facilitate further research on PDI-based IDA in future.

指示剂置换法（IDA）的设计依赖于前结合显色分析物被竞争分析物置换。IDA概念已经超出了它的范围，包括用于检测目标分析物的金属配合物。苝二酰亚胺（PDI）具有优异的光物理、电子和自组装性能；化学和光稳定性；以及在IDA中整合的生物相容性。在这篇综述中，我们讨论了基于pdi的IDAs检测化学和生物物种，如硫醇、（生物）胺、多磷酸盐、酶、蛋白质、DNA/RNA、真菌毒素、金属离子、阴离子和其他一些杂项分析物。本文综述了基于pdi的IDAs的设计、光学特性、应用和传感机制。本文综述将为今后进一步开展基于pdi的IDA研究提供参考和基础。

引用次数: 0

Turing-Structured Catalysts for Electrochemical Catalytic Reaction 电化学催化反应中的图灵结构催化剂

IF 4.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications

Pub Date : 2025-06-12 DOI: 10.1039/d5cc02539g

Lizhou Zhu, SiZhuo Feng, Longlu Wang, Jianmei Chen

With the development of phase engineering, precise phase control has become a key strategy for optimizing the best performance of advanced catalysts. Compared to the traditional method of constructing new phase topology on nano-scale organic materials, Turing-structured catalysts (TSCs) provide a unique method for constructing special phase topology, which expands the scope of phase engineering. Therefore, there is an urgent need to systematically review the advanced progress of TSCs. In this review, we first provide a comprehensive discussion on the fundamental concepts of TSCs, including their synthesis mechanisms such as reaction-diffusion process, synthesis methods and twin boundary effects. Next, we present the applications of TSCs in electrochemical catalytic reaction such as oxygen evolution reaction/hydrogen evolution reaction, CO2 reduction reaction and sulfur oxidation reaction. By analyzing the complex mechanisms behind these applications, we provide new insights for their systematic implementation. Finally, we look ahead to the potential of TSCs, aiming to drive major breakthroughs in a wide range of catalytic applications and offer profound guidance for the further development of precise phase control in the field of advanced catalysts.

随着相工程的发展，精确的相控制已成为优化先进催化剂性能的关键策略。与传统的在纳米尺度有机材料上构建新相拓扑的方法相比，图灵结构催化剂（tsc）提供了一种独特的构建特殊相拓扑的方法，扩大了相工程的范围。因此，迫切需要系统地回顾tsc的最新进展。本文首先对TSCs的基本概念、反应扩散过程、合成方法和双边界效应等合成机理进行了综述。其次，介绍了tsc在电化学催化反应中的应用，如析氧/析氢反应、CO2还原反应和硫氧化反应。通过分析这些应用程序背后的复杂机制，我们为它们的系统实现提供了新的见解。最后，我们展望了tsc的潜力，旨在推动tsc在广泛的催化应用中取得重大突破，并为先进催化剂领域的精确相控制的进一步发展提供深刻的指导。

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引用次数: 0

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