Angewandte Chemie International Edition最新文献

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Oxygen-Stable Electrochemical CO2 Capture using Redox-Active Heterocyclic Benzodithiophene Quinone. 利用具有氧化还原活性的杂环苯并二噻吩醌进行氧稳定电化学二氧化碳捕获。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-06 DOI: 10.1002/anie.202412229
Maryam Abdinejad, Michael Massen-Hane, Hyowon Seo, T Alan Hatton
{"title":"Oxygen-Stable Electrochemical CO<sub>2</sub> Capture using Redox-Active Heterocyclic Benzodithiophene Quinone.","authors":"Maryam Abdinejad, Michael Massen-Hane, Hyowon Seo, T Alan Hatton","doi":"10.1002/anie.202412229","DOIUrl":"10.1002/anie.202412229","url":null,"abstract":"<p><p>Electrochemical carbon capture offers a promising alternative to thermal amine technology, which serves as the traditional benchmark method for CO<sub>2</sub> capture. Despite its technological maturity, the widespread deployment of thermal amine technologies is hindered by high energy consumption and sorbent degradation. In contrast, electrochemical methods, with their inherently isothermal operation, address these challenges, offering enhanced energy efficiency and robustness. Among emerging strategies, electrochemical carbon capture systems using redox-active materials such as quinones stand out for their potential to capture CO<sub>2</sub>. However, their practical application is currently limited by their low stability in the presence of oxygen. We demonstrate that benzodithiophene quinone (BDT-Q), a heterocyclic quinone, exhibits high stability in electrochemical carbon capture processes with oxygen-containing feed gas. Conducted in a cyclic flow system with a simulated flue gas mixture containing 13 % CO<sub>2</sub> and 3.5 % O<sub>2</sub> for over 100 hours, the process demonstrates high oxygen stability with an electron utilization of 0.83 without significant degradation, indicating a promising approach for real world applications. Our study explores the potential of new heterocyclic quinone compounds in the context of carbon capture technologies.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412229"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142152658","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
Hemilabile and Redox-Active Quinone Ligands Unlock sp3-Rich Couplings in Nickel-Catalyzed Olefin Carbosulfenylation. 半亲和氧化还原活性醌配体在镍催化的烯烃碳硫化反应中解开 sp3-富耦合。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-07 DOI: 10.1002/anie.202411870
Zi-Qi Li, Turki M Alturaifi, Yilin Cao, Matthew V Joannou, Peng Liu, Keary M Engle
{"title":"Hemilabile and Redox-Active Quinone Ligands Unlock sp<sup>3</sup>-Rich Couplings in Nickel-Catalyzed Olefin Carbosulfenylation.","authors":"Zi-Qi Li, Turki M Alturaifi, Yilin Cao, Matthew V Joannou, Peng Liu, Keary M Engle","doi":"10.1002/anie.202411870","DOIUrl":"10.1002/anie.202411870","url":null,"abstract":"<p><p>A three-component coupling approach toward structurally complex dialkylsulfides is described via the nickel-catalyzed 1,2-carbosulfenylation of unactivated alkenes with organoboron nucleophiles and alkylsulfenamide (N-S) electrophiles. Efficient catalytic turnover is facilitated using a tailored N-S electrophile containing an N-methyl methanesulfonamide leaving group, allowing catalyst loadings as low as 1 mol %. Regioselectivity is controlled by a collection of monodentate, weakly coordinating native directing groups, including sulfonamides, amides, sulfinamides, phosphoramides, and carbamates. Key to the development of this transformation is the identification of quinones as a family of hemilabile and redox-active ligands that tune the steric and electronic properties of the metal throughout the catalytic cycle. Density functional theory (DFT) results show that the duroquinone (DQ) ligand adopts different coordination modes in different stages of the Ni-catalyzed 1,2-carbosulfenylation-binding as an η<sup>6</sup> capping ligand to stabilize the precatalyst/resting state and prevent catalyst decomposition, binding as an X-type redox-active durosemiquinone radical anion to promote alkene migratory insertion with a less distorted square planar Ni(II) center, and binding as an L-type ligand to promote N-S oxidative addition at a relatively more electron-rich Ni(I) center.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202411870"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142102488","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
Outstanding Circularly Polarized TADF in Chiral Cu(I) Emitters: From Design to Application in CP-TADF OLEDs. 手性铜(I)发光体中出色的圆极化 TADF:CP-TADF OLED 从设计到应用。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-26 DOI: 10.1002/anie.202412437
Maxim Yu Petyuk, Lingqiang Meng, Zihao Ma, Alexander M Agafontsev, Irina Yu Bagryanskaya, Alexey S Berezin, Jingzhi Zhang, Anlea Chu, Mariana I Rakhmanova, Hong Meng, Alexey V Tkachev, Vivian Wing-Wah Yam, Alexander V Artem'ev
{"title":"Outstanding Circularly Polarized TADF in Chiral Cu(I) Emitters: From Design to Application in CP-TADF OLEDs.","authors":"Maxim Yu Petyuk, Lingqiang Meng, Zihao Ma, Alexander M Agafontsev, Irina Yu Bagryanskaya, Alexey S Berezin, Jingzhi Zhang, Anlea Chu, Mariana I Rakhmanova, Hong Meng, Alexey V Tkachev, Vivian Wing-Wah Yam, Alexander V Artem'ev","doi":"10.1002/anie.202412437","DOIUrl":"10.1002/anie.202412437","url":null,"abstract":"<p><p>Low-cost molecular emitters that merge circularly polarized luminescence (CPL) and thermally activated delayed fluorescence (TADF) properties are attractive for many high-tech applications. However, the design of such emitters remains a difficult task. To address this challenge, here, we propose a simple and efficient strategy, demonstrated by the design of pseudochiral-at-metal complexes [Cu(L*)DPEPhos]PF<sub>6</sub> bearing a (+)/(-)-menthol-derived 1,10-phenanthroline ligand (L*). These complexes exhibit a yellow CP-TADF with a record-high quantum yield (close to 100 %) and high dissymmetry factor (|g<sub>lum</sub>|~1×10<sup>-2</sup>). Remarkably, the above compounds also show a negative thermal-quenching (NTQ) of luminescence in the 300-77 K range. Exploiting the designed Cu(I) emitters, we fabricated efficient CP-TADF OLEDs displaying mirror-imaged CPL bands with high |g<sub>EL</sub>| factors of 1.5×10<sup>-2</sup> and the maximum EQE of 6.15 %. Equally important, using the (+)-[Cu(L*)DPEPhos]PF<sub>6</sub> complex, we have discovered that an external magnetic field noticeably suppresses CP-TADF of Cu(I) emitters. These findings are an important contribution to the CPL phenomenon and provide access to highly efficient, low-cost and robust CP-TADF emitters.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412437"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131343","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
Fluorinated Squareimines for Molecular Sieving of Aromatic over Aliphatic Compounds. 用于芳香族和脂肪族化合物分子筛分的氟化方形亚胺。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-28 DOI: 10.1002/anie.202418877
Tobias Pausch, Samanta Clopot, Dustin N Jordan, Oliver Weingart, Christoph Janiak, Bernd M Schmidt
{"title":"Fluorinated Squareimines for Molecular Sieving of Aromatic over Aliphatic Compounds.","authors":"Tobias Pausch, Samanta Clopot, Dustin N Jordan, Oliver Weingart, Christoph Janiak, Bernd M Schmidt","doi":"10.1002/anie.202418877","DOIUrl":"10.1002/anie.202418877","url":null,"abstract":"<p><p>The development of more energy-efficient separation technologies is essential. Especially the separation of cyclic aliphatic hydrocarbons from their aromatic counterparts remains a significant challenge due to azeotrope formation and similar physical properties, often requiring energy-intensive processes. Herein, we introduce a novel class of electron-deficient macrocycles with a unique rectangular structure to optimise interactions within the pore, enabling the highly selective molecular sieving of aromatic compounds from mixtures. Utilising dynamic covalent imine chemistry, the squareimine NDI<sup>2</sup>F4<sup>2</sup>-based crystalline functional material is directly obtained from the reaction mixture in a single self-assembly step in high yields of 83 %, alongside the larger NDI<sup>2</sup>F8<sup>2</sup> congener, which can be obtained in 69 % yield. In vapour sorption and diffusion experiments, NDI<sup>2</sup>F4<sup>2</sup> demonstrates rapid adsorption kinetics with selectivities of 97 : 3 for benzene over cyclohexane and 93 : 7 for toluene over methylcyclohexane, while single-crystal and powder X-ray diffraction studies indicate that the selectivity is primarily governed by directed interactions between the electron-deficient panels and aromatic guests.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202418877"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142602510","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
Exploring the Complex Chemistry and Degradation of Ascorbic Acid in Aqueous Nanoparticle Synthesis. 探索水性纳米粒子合成中抗坏血酸的复杂化学性质和降解。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-06 DOI: 10.1002/anie.202412542
Debashree Roy, Hannah M Johnson, Matthew J Hurlock, Kingshuk Roy, Qiang Zhang, Liane M Moreau
{"title":"Exploring the Complex Chemistry and Degradation of Ascorbic Acid in Aqueous Nanoparticle Synthesis.","authors":"Debashree Roy, Hannah M Johnson, Matthew J Hurlock, Kingshuk Roy, Qiang Zhang, Liane M Moreau","doi":"10.1002/anie.202412542","DOIUrl":"10.1002/anie.202412542","url":null,"abstract":"<p><p>Ascorbic acid (AA) is the most widely used reductant for noble metal nanoparticle (NP) synthesis. Despite the synthetic relevance, its aqueous chemistry remains misunderstood, due in part to various assumptions about its reduction pathway which are insufficiently supported by experimental evidence. This study aims to provide an understanding of the complex chemistry associated with AA under aqueous conditions. We demonstrate that (i) AA undergoes appreciable degradation in alkaline solution on a timescale relevant to NP synthesis, (ii) contrary to popular belief, AA does not degrade into dehydroascorbic acid (DHA), nor is DHA the oxidized product of AA under noble metal NP synthetic conditions, (iii) DHA, which readily degrades under alkaline conditions, can also effectively reduce metal salt precursors to metal NPs, (iv) neither ascorbate nor dehydroascorbate act as surface capping agents post-synthetically on the NPs (v) AA degradation time greatly affects the morphology and polydispersity of the resultant NP. Results from our mechanistic investigation enabled us to utilize purposefully-aged reductants to achieve control over shape yield and monodispersity in the seed-mediated synthesis of Au nanorods. Our findings have important implications for achieving monodispersed products in the many metal NP synthesis reactions that make use of AA as a reducing agent.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412542"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141746956","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
In-Situ Construction of Functional Multi-Dimensional MXene-based Composites Directly from MAX Phases through Gas-Solid Reactions. 通过气固反应直接从 MAX 相原位构建功能性多维 MXene 基复合材料。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-10-18 DOI: 10.1002/anie.202412898
Yang Liu, Xinyue Gao, Maoqiang Shen, Yanhao Zhao, Xu Zhang, Sen Liu, Xuesen Liu, Linrui Hou, Changzhou Yuan
{"title":"In-Situ Construction of Functional Multi-Dimensional MXene-based Composites Directly from MAX Phases through Gas-Solid Reactions.","authors":"Yang Liu, Xinyue Gao, Maoqiang Shen, Yanhao Zhao, Xu Zhang, Sen Liu, Xuesen Liu, Linrui Hou, Changzhou Yuan","doi":"10.1002/anie.202412898","DOIUrl":"10.1002/anie.202412898","url":null,"abstract":"<p><p>The weak bonding of A atoms with MX layers in MAX phases not only enables the selective etching of A layers for MXene preparation but brings about the chance to construct A derivatives/MXene composites via in situ conversion. Here, a facile and general gas-solid reaction systems are elegantly devised to construct multi-dimensional MXene based composites including AlF<sub>3</sub> nanorods/MXene, AlF<sub>3</sub> nanocrystals/MXene, amorphous AlF<sub>3</sub>/MXene, A filled carbon nanotubes/MXene, layered metal chalcogenides/MXene, MOF/MXene, and so on. The intrinsic effect mechanism of interlayer confinement towards crystal growth, catalytic behavior, van der Waals-heterostructure construction and coordination reaction are rationally put forward. The tight interface combination and synergistic effect from distinct components make them promising active materials for electrochemical applications. More particularly, the AlF<sub>3</sub> nanorods/Nb<sub>2</sub>C MXene demonstrate bi-directional catalytic activity toward the conversion between Li<sub>2</sub>S and lithium polysulfides, which alleviates the shuttle effect in lithium-sulfur batteries.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412898"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142034604","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
Luminescence Modulation in Boron-Cluster-Based Luminogens via Boron Isotope Effects. 通过硼同位素效应实现硼簇发光剂的发光调制。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-06 DOI: 10.1002/anie.202410430
Wenli Ma, Jianyu Zhang, Jibo Zong, Hongyuan Ren, Deshuang Tu, Qinfeng Xu, Ben Zhong Tang, Hong Yan
{"title":"Luminescence Modulation in Boron-Cluster-Based Luminogens via Boron Isotope Effects.","authors":"Wenli Ma, Jianyu Zhang, Jibo Zong, Hongyuan Ren, Deshuang Tu, Qinfeng Xu, Ben Zhong Tang, Hong Yan","doi":"10.1002/anie.202410430","DOIUrl":"10.1002/anie.202410430","url":null,"abstract":"<p><p>Recent advances in luminescent materials highlight the significant impact of hydrogen isotope effects on improving optoelectronic properties. However, the research on the influence of the boron isotope effects on photophysical properties remains underdeveloped. This study focused on exploring the boron isotope effects in boron-cluster-based luminogens. In doing so, we designed and synthesized carborane-based luminogens containing 98 % <sup>10</sup>B and 95 % <sup>11</sup>B, respectively, and observed distinct photophysical behaviors. Compared to the <sup>10</sup>B-enriched luminogens, the <sup>11</sup>B-enriched counterparts can significantly enhance luminescence efficiency, prolong emission lifetime, and reduce full-width at half-maximum. Additionally, increased thermal stability, redshifted B-H vibrations, and a fourfold enhanced electrochemiluminescence intensity have also been observed. On the other hand, the biological assessments of a <sup>10</sup>B-enriched luminogen reveals low cytotoxicity, high boron uptake, and excellent fluorescence imaging capability, indicating the potential application in boron neutron capture therapy (BNCT). This work presents the first comprehensive exploration on the boron isotope effects in boron clusters, and provides valuable insights into the rational design of organic luminogens for advanced optoelectronic and biomedical applications.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202410430"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379630","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
Oxytocin Analogues for the Oral Treatment of Abdominal Pain. 用于口服治疗腹痛的催产素类似物。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-11-13 DOI: 10.1002/anie.202415333
Thomas Kremsmayr, Gudrun Schober, Matthias Kaltenböck, Bradley L Hoare, Stuart M Brierley, Markus Muttenthaler
{"title":"Oxytocin Analogues for the Oral Treatment of Abdominal Pain.","authors":"Thomas Kremsmayr, Gudrun Schober, Matthias Kaltenböck, Bradley L Hoare, Stuart M Brierley, Markus Muttenthaler","doi":"10.1002/anie.202415333","DOIUrl":"10.1002/anie.202415333","url":null,"abstract":"<p><p>Abdominal pain presents an onerous reality for millions of people affected by gastrointestinal disorders such as irritable bowel syndrome (IBS) and inflammatory bowel diseases (IBD). The oxytocin receptor (OTR) has emerged as a new analgesic drug target with OTR expression upregulated on colon-innervating nociceptors in chronic visceral hypersensitivity states, accessible via luminal delivery. However, the low gastrointestinal stability of OTR's endogenous peptide ligand oxytocin (OT) is a bottleneck for therapeutic development. Here, we report the development of potent and fully gut-stable OT analogues, laying the foundation for a new area of oral gut-specific peptide therapeutics. Ligand optimisation guided by structure-gut-stability-activity relationships yielded highly stable analogues (t<sub>1/2</sub>>24 h, compared to t<sub>1/2</sub><10 min of OT in intestinal fluid) equipotent to OT (~3 nM) and with enhanced OTR selectivity. Intra-colonic administration of the lead ligand significantly reduced colonic mechanical hypersensitivity in a concentration-dependent manner in a mouse model of chronic abdominal pain. Moreover, oral administration of the lead ligand also displayed significant analgesia in this abdominal pain mouse model. The generated ligands and employed strategies could pave the way to a new class of oral gut-specific peptides to study and combat chronic gastrointestinal disorders, an area with substantial unmet medical needs.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202415333"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386575","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
Highly Durable Inverted Inorganic Perovskite/Organic Tandem Solar Cells Enabled by Multifunctional Additives. 采用多功能添加剂的高耐久性反相无机过氧化物/有机串联太阳能电池。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-10-17 DOI: 10.1002/anie.202412515
Yanxun Li, Yichao Yan, Yuang Fu, Wenlin Jiang, Ming Liu, Mingqian Chen, Xiaofeng Huang, Guanghao Lu, Xinhui Lu, Jun Yin, Shengfan Wu, Alex K-Y Jen
{"title":"Highly Durable Inverted Inorganic Perovskite/Organic Tandem Solar Cells Enabled by Multifunctional Additives.","authors":"Yanxun Li, Yichao Yan, Yuang Fu, Wenlin Jiang, Ming Liu, Mingqian Chen, Xiaofeng Huang, Guanghao Lu, Xinhui Lu, Jun Yin, Shengfan Wu, Alex K-Y Jen","doi":"10.1002/anie.202412515","DOIUrl":"10.1002/anie.202412515","url":null,"abstract":"<p><p>Inverted perovskite/organic tandem solar cells (P/O TSCs) suffer from poor long-term device stability due to halide segregation in organic-inorganic hybrid wide-band gap (WBG) perovskites, which hinders their practical deployment. Therefore, developing all-inorganic WBG perovskites for incorporation into P/O TSCs is a promising strategy because of their superior stability under continuous illumination. However, these inorganic WBG perovskites also face some critical issues, including rapid crystallization, phase instability, and large energy loss, etc. To tackle these issues, two multifunctional additives based on 9,10-anthraquinone-2-sulfonic acid (AQS) are developed to regulate the perovskite crystallization by mediating the intermediate phases and suppress the halide segregation through the redox-shuttle effect. By coupling with organic cations having the desirable functional groups and dipole moments, these additives can effectively passivate the defects and adjust the alignment of interface energy levels. Consequently, a record V<sub>oc</sub> approaching 1.3 V with high power conversion efficiency (PCE) of 18.59 % could be achieved in a 1.78 eV band gap single-junction inverted all-inorganic PSC. More importantly, the P/O TSC derived from this cell demonstrates a T<sub>90</sub> lifetime of 1000 h under continuous operation, presenting the most stable P/O TSCs reported so far.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412515"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141998979","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
Programmable In-Situ Co-Assembly of Organic Multi-Block Nanowires for Cascade Optical Waveguides. 用于级联光波导的可编程原位共组装有机多嵌段纳米线。
IF 16.1 1区 化学
Angewandte Chemie International Edition Pub Date : 2024-12-20 Epub Date: 2024-10-17 DOI: 10.1002/anie.202412712
Shuai Zhao, Jia-Xuan Zhang, Chao-Fei Xu, Yingxin Ma, Jia-Hua Luo, Hongtao Lin, Yingli Shi, Xue-Dong Wang, Liang-Sheng Liao
{"title":"Programmable In-Situ Co-Assembly of Organic Multi-Block Nanowires for Cascade Optical Waveguides.","authors":"Shuai Zhao, Jia-Xuan Zhang, Chao-Fei Xu, Yingxin Ma, Jia-Hua Luo, Hongtao Lin, Yingli Shi, Xue-Dong Wang, Liang-Sheng Liao","doi":"10.1002/anie.202412712","DOIUrl":"10.1002/anie.202412712","url":null,"abstract":"<p><p>Organic heterostructures (OHs) with multi-segments exhibit special optoelectronic properties compared with monomeric structures. Nevertheless, the synthesis of multi-block heterostructures remains challenging due to compatibility issues between segment parts, which restricts their application in optical waveguides and integrated optics. Herein, we demonstrate programmable in-situ co-assembly engineering, combining multi-step spontaneous self-assembly processes to promote the synthesis of multi-block heterostructures with a rational arrangement of three or more segments. The rational design of segments enables exciton manipulation and ensures optical waveguides and proper output among the multi-segment OHs. This work enables the controllable growth of segments within multi-block OHs, providing a pathway to construct complex OHs for the rational development of future optical applications.</p>","PeriodicalId":125,"journal":{"name":"Angewandte Chemie International Edition","volume":" ","pages":"e202412712"},"PeriodicalIF":16.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142015704","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
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