{"title":"A Precise Microreactor for Ultralong Visible Chemiluminescence","authors":"Yutong Wang, Mingyue Fu, Meng Sun, Fugang Li, Fei Gao, Xiaokang Wang, Xinlei Yang, Hongyan Liu, Zhenyu Xiao*, Weidong Fan* and Daofeng Sun, ","doi":"10.1021/acs.chemmater.4c01126","DOIUrl":null,"url":null,"abstract":"<p >Chemiluminescence microreactors (CLMR) integrate catalytic centers, luminescent centers, and open channels into an atomic-scale platform, which can provide significantly enhanced light emission compared with usual homogeneous solvent systems. Herein, we report a novel metal–organic framework (MOF), UPC-88, which is constructed by a lophinyl-functionalized H<sub>4</sub>L<sup>IM-2H</sup> ligand (4,4′,4″,4‴-((naphthalene-1,4-diylbis(4,1-phenylene))bis(1H-imidazole-2,4,5-triyl))tetrabenzoic acid) with the first double (metal/organic) H<sub>2</sub>O<sub>2</sub> catalytic center for CLMR. Due to the fixed chromophore and integrated dual catalytic sites, the relaxation phenomenon is greatly reduced and the energy transfer efficiency is significantly improved, resulting in the outstanding light emission performance of UPC-88. The visible luminous time of the UPC-88 system up to 1100 min was recorded as one of the highest ever reported for MOF systems. We linearly fitted the fluorescence intensity and fluorescence power for the first time, and the results show that UPC-88 is the MOF chemiluminescent material with the highest fluorescence power reported so far. The exploration of the CL reaction mechanism reveals the key role of the lophine base center in the decomposition of hydrogen peroxide, enabling the efficient conversion of chemical energy to light energy. This platform will provide a theoretical and experimental basis for next-generation CLMR systems and improved CL performance.</p>","PeriodicalId":33,"journal":{"name":"Chemistry of Materials","volume":null,"pages":null},"PeriodicalIF":7.2000,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemistry of Materials","FirstCategoryId":"88","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acs.chemmater.4c01126","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Chemiluminescence microreactors (CLMR) integrate catalytic centers, luminescent centers, and open channels into an atomic-scale platform, which can provide significantly enhanced light emission compared with usual homogeneous solvent systems. Herein, we report a novel metal–organic framework (MOF), UPC-88, which is constructed by a lophinyl-functionalized H4LIM-2H ligand (4,4′,4″,4‴-((naphthalene-1,4-diylbis(4,1-phenylene))bis(1H-imidazole-2,4,5-triyl))tetrabenzoic acid) with the first double (metal/organic) H2O2 catalytic center for CLMR. Due to the fixed chromophore and integrated dual catalytic sites, the relaxation phenomenon is greatly reduced and the energy transfer efficiency is significantly improved, resulting in the outstanding light emission performance of UPC-88. The visible luminous time of the UPC-88 system up to 1100 min was recorded as one of the highest ever reported for MOF systems. We linearly fitted the fluorescence intensity and fluorescence power for the first time, and the results show that UPC-88 is the MOF chemiluminescent material with the highest fluorescence power reported so far. The exploration of the CL reaction mechanism reveals the key role of the lophine base center in the decomposition of hydrogen peroxide, enabling the efficient conversion of chemical energy to light energy. This platform will provide a theoretical and experimental basis for next-generation CLMR systems and improved CL performance.
期刊介绍:
The journal Chemistry of Materials focuses on publishing original research at the intersection of materials science and chemistry. The studies published in the journal involve chemistry as a prominent component and explore topics such as the design, synthesis, characterization, processing, understanding, and application of functional or potentially functional materials. The journal covers various areas of interest, including inorganic and organic solid-state chemistry, nanomaterials, biomaterials, thin films and polymers, and composite/hybrid materials. The journal particularly seeks papers that highlight the creation or development of innovative materials with novel optical, electrical, magnetic, catalytic, or mechanical properties. It is essential that manuscripts on these topics have a primary focus on the chemistry of materials and represent a significant advancement compared to prior research. Before external reviews are sought, submitted manuscripts undergo a review process by a minimum of two editors to ensure their appropriateness for the journal and the presence of sufficient evidence of a significant advance that will be of broad interest to the materials chemistry community.