Science China Chemistry最新文献_第6页

Intramolecular dearomative [2π + 2σ] photocycloadditions of bicyclo[1.1.0]butanes with (benzo)furans and (benzo)thiophenes initiated by energy transfer or single electron transfer 以能量转移或单电子转移引发双环[1.1.0]丁烷与（苯并）呋喃和（苯并）噻吩的分子内脱芳[2π + 2σ]光环加成反应

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-23 DOI: 10.1007/s11426-025-2704-x

Yuyue Li, Xintao Gu, Yin Wei, Min Shi

引用次数: 0

A two-dimensional mechanically interlocked polymer crosslinked by [c2]daisy chains 一种由[c2]菊花链交联的二维机械互锁聚合物

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-19 DOI: 10.1007/s11426-025-2797-4

Nima Khaleghi, Samantha A. Mason, Maham Saqib Saeed, Yuanning Feng

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The secret of the magic gourd (II): zinc-silicate integrated with gourd leaf-derived biomass carbon for high-performance supercapacitors 神奇葫芦的秘密（二）：硅酸锌与葫芦叶衍生的生物质碳集成用于高性能超级电容器

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-16 DOI: 10.1007/s11426-025-2769-6

Shaoqing Zhang, Xinyu Sun, Guozhong Zhang, Xiang Ke, Yougui Li, Tianming Lv, Jiqi Zheng, Xuchun Wang, Miao Cui, Changgong Meng

{"title":"The secret of the magic gourd (II): zinc-silicate integrated with gourd leaf-derived biomass carbon for high-performance supercapacitors","authors":"Shaoqing Zhang, Xinyu Sun, Guozhong Zhang, Xiang Ke, Yougui Li, Tianming Lv, Jiqi Zheng, Xuchun Wang, Miao Cui, Changgong Meng","doi":"10.1007/s11426-025-2769-6","DOIUrl":"10.1007/s11426-025-2769-6","url":null,"abstract":"<div><p>As a significant role in the human body, zinc ions were used to prepare the electrodes and devices of the supercapacitors with the amorphous carbon obtained from planted gourd leaves by <i>in situ</i> hydrolysis and <i>in situ</i> hydrothermal treatment. Herein, sandwich structure Zn<sub>2</sub>SiO<sub>4</sub>·H<sub>2</sub>O@C@Zn<sub>2</sub>SiO<sub>4</sub>·H<sub>2</sub>O (C@ZnSi and C@ZnSi@ZnSi) prepared by <i>in-situ</i> growth strategy is facilitated by the insertion and removal of OH<sup>−</sup> adsorption for energy storage. As the conductive core, the internal amorphous C can facilitate the rapid transfer of electrons, thus significantly enhancing the conductivity of the materials. In detail, in the three-electrode system, C@ZnSi@ZnSi exhibited high electrochemical performance (591 F g<sup>−1</sup> at 0.5 A g<sup>−1</sup> and the capacitance retention of 98.7% after 10,000 cycles). The HSC devices also achieve very excellent electrochemical properties (the areal specific capacitance with 714 mF cm<sup>−2</sup> at 2 mA cm<sup>−2</sup>, the energy density with 4.65 Wh m<sup>−2</sup> at the power density of 15.24 W m<sup>−2</sup> and the cycle stability with 75.8% after 10,000 cycles. Additionally, it opens up a new territory for the preparation of supercapacitors, which enhances electrochemical performance while reducing environmental pollution and lowering costs. Due to the high electrochemical performance of the supercapacitors, it may serve as a possible explanation for the superpowers of the Calabash Brothers, especially the Red Boy and Orange Boy.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"4867 - 4879"},"PeriodicalIF":9.7,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Fundamentals and challenges for indirect and direct photocatalytic conversion of plastic wastes into valuable fuels 塑料废物间接和直接光催化转化为有价值燃料的基本原理和挑战

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-13 DOI: 10.1007/s11426-025-2631-5

Qinyuan Hu, Jiawei Xie, Dongpo He, Zhixing Zhang, Jinyu Ding, Mengqian Li, Wenya Fan, Piming Ma, Xingchen Jiao

{"title":"Fundamentals and challenges for indirect and direct photocatalytic conversion of plastic wastes into valuable fuels","authors":"Qinyuan Hu, Jiawei Xie, Dongpo He, Zhixing Zhang, Jinyu Ding, Mengqian Li, Wenya Fan, Piming Ma, Xingchen Jiao","doi":"10.1007/s11426-025-2631-5","DOIUrl":"10.1007/s11426-025-2631-5","url":null,"abstract":"<div><p>Nowadays, plastic wastes have seriously endangered human health and ecological safety. Recycling plastics is a promising approach to achieve multiple uses of carbon resources. In this review, photocatalysis is introduced for the conversion of plastics into various valuable chemicals. The state-of-the-art photocatalytic techniques for plastic conversion are divided into two categories: direct and indirect photoconversion. We summarize in detail the photocatalytic small organic molecules conversion from polyethylene terephthalate, polylactic acid and polyethylene through the alkaline-assistant and hydrothermal pretreatments. Then, we overview the effective strategies of direct photoconverting polyethylene, polylactic acid and polyvinyl chloride into chemicals via the two-step process, amination strategy, and single reactive oxygen species-assistant strategy. Finally, we present some outlook on the current challenges and propose some potential solutions in the future.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"4733 - 4745"},"PeriodicalIF":9.7,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Synergistic catalytic synthesis of chiral γ-butenolides by trapping carboxylic oxonium ylides with enones and isatins 用烯酮和isatins捕获羧基氧鎓化物协同催化合成手性γ-丁烯内酯

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-05 DOI: 10.1007/s11426-025-2665-x

Xinpeng Sang, Wentao Xu, Yuqiao Zhou, Min Chen, Lili Lin, Minghui Ji, Fei Wang, Shunxi Dong, Xiaoming Feng

{"title":"Synergistic catalytic synthesis of chiral γ-butenolides by trapping carboxylic oxonium ylides with enones and isatins","authors":"Xinpeng Sang, Wentao Xu, Yuqiao Zhou, Min Chen, Lili Lin, Minghui Ji, Fei Wang, Shunxi Dong, Xiaoming Feng","doi":"10.1007/s11426-025-2665-x","DOIUrl":"10.1007/s11426-025-2665-x","url":null,"abstract":"<div><p>Enantioenriched γ-butenolides constitute the structural core of many natural products and biologically active molecules, but their direct and atom-economical asymmetric assembly from simple starting materials remains quite limited. Here, we describe a facile and atom-efficient synthesis of enantioenriched α-aryl-γ-butenolides from cyclopropenyl carboxylic acid and electrondeficient olefins or isatins. The reaction proceeds via carboxylic acid insertion of carbenoid initiated by an achiral rhodium salt, followed by chiral Lewis acid-mediated enantioselective trapping of the resulting carboxylic oxonium ylides with enones and isatins. Various enantioenriched γ-butenolides were obtained in high yields (up to 99%) with excellent stereoselectivities (up to >19:1 dr and up to 96% ee) under mild conditions by low catalyst loading (S/C = 200). The potential application of these methods was demonstrated by the gram-scale synthesis of γ-butenolides and their further transformations into other bioactive molecules.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"5007 - 5015"},"PeriodicalIF":9.7,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Non-equivalent terminating roles of hydroxyl and fluorine in hydroxy/fluorooxo-borate optical functional materials 羟基和氟在羟基/氟硼酸盐光学功能材料中的非等效终止作用

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-03 DOI: 10.1007/s11426-025-2660-6

Huanhuan Cheng, Shilie Pan, Zhihua Yang

{"title":"Non-equivalent terminating roles of hydroxyl and fluorine in hydroxy/fluorooxo-borate optical functional materials","authors":"Huanhuan Cheng, Shilie Pan, Zhihua Yang","doi":"10.1007/s11426-025-2660-6","DOIUrl":"10.1007/s11426-025-2660-6","url":null,"abstract":"<div><p>Nonlinear optical/birefringent crystals as important optical functional materials have been widely applied in optical communication, laser information processing, and laser polarization technology. In recent decades, hydroxyborates, fluorooxoborates and hydroxyfluorooxoborates have attracted significant interest as key branches of the borate family because of their outstanding (deep-) ultraviolet nonlinear optics or other optical functional performances. Negatively charged terminal groups OH<sup>−</sup> and F<sup>−</sup> can regulate the structure and the material characteristics. OH<sup>−</sup> and F<sup>−</sup> have the same valence and both appear in the terminal position of the anionic framework, which can be substituted by each other theoretically. However, it is found that the introduction of OH<sup>−</sup> and F<sup>−</sup> is apparently different in structure and properties. In this mini-review, a variety of theoretical and experimental characterization methods to identify OH<sup>−</sup> and F<sup>−</sup> was discussed. The different role of OH<sup>−</sup> and F<sup>−</sup> in involved systems’ microstructures and macro-properties including nonlinear optics was comprehensively analyzed. We aim to provide guidance for designing and synthesizing novel materials with balanced properties used in deep-ultraviolet applications.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"4761 - 4770"},"PeriodicalIF":9.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Conductive hydrogels with photothermal effects: material design, mechanisms, and multifunctional applications 具有光热效应的导电水凝胶：材料设计、机理及多功能应用

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-03 DOI: 10.1007/s11426-025-2654-5

Mengchao Wang, Ruizhuo Ouyang, Yuqin Jiang, Zhengang Liu, Xun Zhou, Yulong Shi, Cheng He, Liangliang Zhu, Bingbing Yue

{"title":"Conductive hydrogels with photothermal effects: material design, mechanisms, and multifunctional applications","authors":"Mengchao Wang, Ruizhuo Ouyang, Yuqin Jiang, Zhengang Liu, Xun Zhou, Yulong Shi, Cheng He, Liangliang Zhu, Bingbing Yue","doi":"10.1007/s11426-025-2654-5","DOIUrl":"10.1007/s11426-025-2654-5","url":null,"abstract":"<div><p>Conductive hydrogels with near-infrared (NIR) photothermal effects are a promising class of smart materials. They integrate the unique properties of hydrogels—such as flexibility and biocompatibility—with enhanced electrical conductivity and photothermal responsiveness. These materials use NIR light to induce localized heating through photothermal conversion, enabling precise control over physicochemical properties, including conductivity, mechanical strength, and antibacterial activity. However, comprehensive reviews in this field are limited. This article systematically classifies photothermal materials into four categories: conjugated polymers, carbon-based nanomaterials, inorganic nanomaterials, and metal-phenolic networks, and explains their mechanisms. We highlight recent advancements in applications such as smart wound dressings, soft actuators, and responsive sensors, while addressing challenges like optimizing photothermal efficiency, balancing biocompatibility with conductivity, and scaling up production. By providing a comprehensive analysis of material design strategies and applicationspecific innovations, this review aims to guide future research toward next-generation multifunctional hydrogels for advanced biomedical and technological applications.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"4693 - 4711"},"PeriodicalIF":9.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Iminodibenzyl[n]arenes: prismatic structure, selective binding, and room-temperature phosphorescence prolonged by molecular rivet 亚氨基二苄基芳烃：柱状结构、选择性结合及分子铆钉延长室温磷光

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-06-03 DOI: 10.1007/s11426-025-2659-3

Nan Pan, Ziyan Wu, Hao Hu, Linbin Yao, Jialin Xie, Kelong Zhu, Chunman Jia

{"title":"Iminodibenzyl[n]arenes: prismatic structure, selective binding, and room-temperature phosphorescence prolonged by molecular rivet","authors":"Nan Pan, Ziyan Wu, Hao Hu, Linbin Yao, Jialin Xie, Kelong Zhu, Chunman Jia","doi":"10.1007/s11426-025-2659-3","DOIUrl":"10.1007/s11426-025-2659-3","url":null,"abstract":"<div><p>Macrocyclic hosts capable of specific molecular recognition are crucial for advancing supramolecular chemistry, but rarely display phosphorescent activity. Herein, we report a new class of macrocycles, iminodibenzyl[<i>n</i>]arenes (<b>IB[</b><b><i>n</i></b><b>]As</b>, <i>n</i> = 3, 4), that exhibit unusual green room-temperature phosphorescence (RTP). The uniqueness of <b>IB[4]A</b> is a concave double-cavity structure with an RTP lifetime of 3.82 ms. Although <b>IB[3]A</b> has a shorter RTP lifetime of 1.91 ms, it features outstanding size-selective binding for guest molecules due to its tendency for prismatic cavity formation. This was supported by single-crystal analysis, density functional theory calculations, and host-guest binding experiments involving eight different-sized cationic guests. The structural complementarity between <b>IB[3]A</b> and 1,4-diazabicyclo[2.2.2]octane cation <b>G4</b> is particularly notable, affording a stronger affinity (<i>K</i> = 2524 M<sup>−1</sup>) compared to others. Accordingly, encapsulating this suitable “guest rivet” induces a more rigid microenvironment, prolonging the RTP lifetime to 8.99 ms. This study bridges selective molecular recognition and RTP modulation in macrocyclic hosts, facilitating the architectural design of complex molecules and offering diverse post-synthetic tunability for phosphorescent compounds.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"5032 - 5038"},"PeriodicalIF":9.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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High-index faceted jagged PtPdTe nanotubes for methanol oxidation reaction 用于甲醇氧化反应的高指数多面锯齿状PtPdTe纳米管

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-05-30 DOI: 10.1007/s11426-024-2641-0

Qing Hu, Peipei Li, Mengqian Li, Jiacong Wu, Jinyu Ding, Wenya Fan, Qinyuan Hu, Qingxia Chen, Xingchen Jiao

{"title":"High-index faceted jagged PtPdTe nanotubes for methanol oxidation reaction","authors":"Qing Hu, Peipei Li, Mengqian Li, Jiacong Wu, Jinyu Ding, Wenya Fan, Qinyuan Hu, Qingxia Chen, Xingchen Jiao","doi":"10.1007/s11426-024-2641-0","DOIUrl":"10.1007/s11426-024-2641-0","url":null,"abstract":"<div><p>Rationally designing the surface structure with desirable facets has been demonstrated as an effective approach to regulating the catalytic activity and anti-CO poisoning capability of Pd-based catalysts for methanol oxidation reaction (MOR). However, the synthesis of Pd-based alloy with high-index facets to further improve Pd utilization remains a fundamental challenge. Herein, a simple solvothermal method was proposed to synthesize the jagged PtPdTe nanotubes (NTs) with abundant zigzag atomic steps on their surfaces. These zigzag facets are more favorable for both the adsorption of OH and the desorption of CO during MOR. Compared with the smooth PtPdTe NTs, the jagged PtPdTe NTs exhibit an enhanced mass activity of 4201.6 mA mg<sup>−1</sup> and specific activity of 4.12 mA cm<sup>−2</sup>, which are 6.7 and 3.2 times higher than those of commercial Pd/C catalysts, respectively. This work not only advances the understanding of surface engineering in catalysis but also extends the novel design of highly efficient and durable Pd-based catalysts for fuel cells.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 9","pages":"4216 - 4223"},"PeriodicalIF":9.7,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Methylammonium intercalation reorienting aromatic amine cations in 2D multilayered perovskite toward efficient self-driven X-ray detection 二维多层钙钛矿中甲基铵插层重定向芳胺阳离子的高效自驱动x射线探测

IF 9.7 1区化学

Science China Chemistry Pub Date : 2025-05-27 DOI: 10.1007/s11426-025-2630-x

Yaru Geng, Qianwen Guan, Ruiqing Li, Huang Ye, Xinling Li, Daohua Wang, Junhua Luo

{"title":"Methylammonium intercalation reorienting aromatic amine cations in 2D multilayered perovskite toward efficient self-driven X-ray detection","authors":"Yaru Geng, Qianwen Guan, Ruiqing Li, Huang Ye, Xinling Li, Daohua Wang, Junhua Luo","doi":"10.1007/s11426-025-2630-x","DOIUrl":"10.1007/s11426-025-2630-x","url":null,"abstract":"<div><p>Two-dimensional (2D) multilayered perovskites are poised to revitalize the field of efficient X-ray detection due to their strong X-ray absorption ability and excellent carrier transport. However, 2D alternating cations intercalation (ACI) type multilayered perovskites, which hold promise as potential X-ray detection materials, still remain largely unexplored in X-ray detection capabilities. Herein, through methylammonium intercalation reorienting aromatic amine cations, an ACI multilayered perovskite (NMA)<sub>3</sub>(MA)<sub>3</sub>Pb<sub>4</sub>I<sub>14</sub> (<b>NMPI</b>, NMA = <i>N</i>-methylbenzylaminium, MA = methylammonium) is successfully constructed for efficient self-driven X-ray detection. Specifically, the reconstructed <b>NMPI</b> has a smoother multilayered inorganic framework with an enhanced mobility-lifetime product compared with the prototype (NMA)<sub>4</sub>Pb<sub>3</sub>I<sub>10</sub>. Notably, based on polar structure-induced radiation photovoltage (1.2 V), <b>NMPI</b> exhibits a high sensitivity of 113.78 μC Gy<sup>−1</sup> cm<sup>−2</sup> and a low detection limit of 162 nGy s<sup>−1</sup> under zero bias. This work first explores sensitive self-driven X-ray detection in ACI-type multilayered perovskite, shedding light on future exploration for high-performance X-ray detection.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"68 10","pages":"4803 - 4809"},"PeriodicalIF":9.7,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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