RSC Mechanochemistry最新文献_第2页

Coordination polymers containing dimeric Cu2X2 and polymeric (CuI)n clusters linked by unsymmetrical isomeric pyridine-benzimidazole linkers: modulating photophysical properties by mechanical stimuli† 含二聚体Cu2X2和由不对称异构体吡啶-苯并咪唑连接的聚合物（CuI）n簇的配位聚合物：通过机械刺激调节光物理性质

RSC Mechanochemistry Pub Date : 2024-11-05 DOI: 10.1039/D4MR00071D

Prantik Dutta, Abhijit Garai and Kumar Biradha

{"title":"Coordination polymers containing dimeric Cu2X2 and polymeric (CuI)n clusters linked by unsymmetrical isomeric pyridine-benzimidazole linkers: modulating photophysical properties by mechanical stimuli†","authors":"Prantik Dutta, Abhijit Garai and Kumar Biradha","doi":"10.1039/D4MR00071D","DOIUrl":"https://doi.org/10.1039/D4MR00071D","url":null,"abstract":"Two rigid unsymmetrical linkers, 4-PBI and 3-PBI, have been successfully employed to synthesize three CuX cluster-based coordination polymers (CPs). The complexation reaction of 4-PBI with CuI and CuBr resulted in isostructural crystalline CP1 and CP2, respectively, containing Cu2X2 clusters. On the other hand, the isomeric 3-PBI with CuI resulted in crystalline CP3 containing a one-dimensional polymeric (CuI)n cluster. Furthermore, the mechanochromism of the CPs has been examined using DRS, solid state PL, FT-IR and Raman spectroscopy. CP1 and CP2 exhibited mechanochromism as their colours changed from reddish brown to orangish yellow upon grinding. The pressure induced local distortion around the flexible dimeric cores of CP1 and CP2 was responsible for the resultant mechanochromism. The presence of a polymeric CuI cluster with μ3-bridging I atoms within the 2D layer of CP3 renders it rigid, thereby hampering its ability to display mechanochromism.","PeriodicalId":101140,"journal":{"name":"RSC Mechanochemistry","volume":" 1","pages":" 100-107"},"PeriodicalIF":0.0,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/mr/d4mr00071d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142976228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shaking up conjugates between chitosan and aldehydes via mechanochemistry† 壳聚糖和醛之间的偶联物的机械化学研究

RSC Mechanochemistry Pub Date : 2024-11-05 DOI: 10.1039/D4MR00110A

Casper Van Poucke, Sven Mangelinckx and Christian V. Stevens

引用次数: 0

Efficient racemization of the pharmaceutical compound Levetiracetam using solvent-free mechanochemistry† 用无溶剂机械化学研究药物化合物左乙拉西坦的高效消旋作用

RSC Mechanochemistry Pub Date : 2024-10-31 DOI: 10.1039/D4MR00103F

Chrystal Lopes, Lucia Casali, Franziska Emmerling, Tom Leyssens, Valérie Dupray, Clement Brandel and Yohann Cartigny

引用次数: 0

Eco-friendly anaerobic oxidation of aryl diazo esters with heterocyclic N-oxide under ball milling: synthesis of 1,2-dicarbonyl systems† 杂环n -氧化物在球磨下对芳基重氮酯的生态友好厌氧氧化：1,2-二羰基体系的合成

RSC Mechanochemistry Pub Date : 2024-10-25 DOI: 10.1039/D4MR00097H

Souvik Guha, Subhabrata Sen and Ludovic Gremaud

引用次数: 0

Homogenization offers access to quinoxalines in minutes: a solvent-free, catalyst-free protocol with a near-zero E-factor† 均质可在几分钟内获得喹诺啉：无溶剂，无催化剂，e因子†接近零的协议

RSC Mechanochemistry Pub Date : 2024-10-17 DOI: 10.1039/D4MR00100A

Abboy Chatterjee, Didreekshya Mahanta, Shamima Hussain, Amrita Chatterjee and Mainak Banerjee

引用次数: 0

A new planetary ball mill device with adjustable speed ratio for enhanced mechanochemical processes† 一种新型的行星球磨机装置，具有可调的速比，用于增强机械化学过程

RSC Mechanochemistry Pub Date : 2024-10-15 DOI: 10.1039/D4MR00069B

Frank Yntema, Cameron Webster and Emmanouil Broumidis

引用次数: 0

Naloxone-initiated mechanochemical synthesis of poly(lactic acid)† 纳洛酮引发聚乳酸的机械化学合成

RSC Mechanochemistry Pub Date : 2024-10-08 DOI: 10.1039/D4MR00046C

Mohammad A. Ebqa'ai, Sandun Bogahawaththa Kasthuri Dias, Andrew J. Kassick, Saadyah Averick and Toby L. Nelson

引用次数: 0

A method to predict binary eutectic mixtures for mechanochemical syntheses and cocrystallizations† 机械化学合成和共晶二元共晶混合物的预测方法

RSC Mechanochemistry Pub Date : 2024-10-08 DOI: 10.1039/D4MR00080C

Michele Prencipe, Paolo P. Mazzeo and Alessia Bacchi

{"title":"A method to predict binary eutectic mixtures for mechanochemical syntheses and cocrystallizations†","authors":"Michele Prencipe, Paolo P. Mazzeo and Alessia Bacchi","doi":"10.1039/D4MR00080C","DOIUrl":"https://doi.org/10.1039/D4MR00080C","url":null,"abstract":"The prediction of the phase behaviour of a mixture of solid components when they come into contact is of high interest in fast growing research fields such as mechanochemistry and deep eutectic solvents (DESs). This paper provides a friendly predictive tool (PoEM, i.e. Predictor of Eutectic Mixtures), along with some guidelines and quantitative references, to quickly estimate the variation in the melting point due to the mixture of reactants for a mechanochemical process. An empirical model that estimates the ideal eutectic point and includes deviation from ideality based on intermolecular interactions is presented here, allowing for the design of synthetic procedures for solvent-less cocrystallization processes. PoEM calculations are validated by comparing the prediction with experimental behaviour of a number of mixtures with a low melting eutectic mixture. Finally, as a working example we consider how to identify coformers for the synthesis of a cocrystal containing thymol such that the cocrystallization would proceed through the formation of a metastable liquid phase.","PeriodicalId":101140,"journal":{"name":"RSC Mechanochemistry","volume":" 1","pages":" 61-71"},"PeriodicalIF":0.0,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/mr/d4mr00080c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142976287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cathode properties of a controlled crystallinity nano-Li1.2Cr0.4Mn0.4O2 cathode for lithium ion batteries† 锂离子电池用可控结晶度纳米li1.2 cr0.4 mn0.4 o2阴极性能研究

RSC Mechanochemistry Pub Date : 2024-10-08 DOI: 10.1039/D4MR00051J

Ayuko Kitajou, Shohei Matsuda, Koji Ohara, Kazutaka Ikeda and Shunsuke Muto

{"title":"Cathode properties of a controlled crystallinity nano-Li1.2Cr0.4Mn0.4O2 cathode for lithium ion batteries†","authors":"Ayuko Kitajou, Shohei Matsuda, Koji Ohara, Kazutaka Ikeda and Shunsuke Muto","doi":"10.1039/D4MR00051J","DOIUrl":"https://doi.org/10.1039/D4MR00051J","url":null,"abstract":"The milled-Li1.2Cr0.4Mn0.4O2 (milled-LCMO) cathode, a promising material for next-generation Li ion batteries, is prepared by dry ball-milling of layered rocksalt-type Li1.2Cr0.4Mn0.4O2 (layered-LCMO) obtained by solid-state synthesis. Despite undergoing ball-milling treatment, resulting in separation into Cr-rich and Mn-rich phases along with Li2O, milled-LCMO still exhibited a reversible capacity of 277 mA h g−1 at a rate of 16 mA g−1. However, it was also revealed that its cyclability was poor due to the contribution of oxygen redox in the charging process. On the other hand, layered-LCMO exhibited better cyclability because charge and discharge reactions proceeded only through the Cr redox. The thermally treated Li1.2Cr0.4Mn0.4O2 was prepared as a cathode material that combines the favorable properties of these two materials. In fact, each thermally treated sample showed a larger reversible capacity than the layered-LCMO obtained by the solid-phase method, and the cyclability recovered as the heat treatment temperature increased.","PeriodicalId":101140,"journal":{"name":"RSC Mechanochemistry","volume":" 1","pages":" 54-60"},"PeriodicalIF":0.0,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/mr/d4mr00051j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142976286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Vortex mediated fabrication of 2D antimonene sheets from antimony powder† 涡流介导的锑粉二维锑片†制备工艺

RSC Mechanochemistry Pub Date : 2024-09-26 DOI: 10.1039/D4MR00058G

Fayed Abdullah Alrashaidi, Soraya Rahpeima, Xuan Luo, Kasturi Vimalanathan, Abdulrahman S. Alotabi, Thaar Alharbi, Xianjue Chen, Dechao Chen, Youhong Tang, Christopher Gibson, Nadim Darwish, Qin Li and Colin L. Raston

引用次数: 0