ACS Materials Letters最新文献_第5页

Luminescent Radicals Based on the Tris(trichlorophenyl)methyl acceptor: How to Choose the Donor Component 基于三（三氯苯基）甲基受体的发光自由基：如何选择给体组分

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-27 DOI: 10.1021/acsmaterialslett.5c0031410.1021/acsmaterialslett.5c00314

Eunkyung Cho, Qi Sun, Eleanor Patricia McBride, Jean-Luc Brédas* and Veaceslav Coropceanu*,

{"title":"Luminescent Radicals Based on the Tris(trichlorophenyl)methyl acceptor: How to Choose the Donor Component","authors":"Eunkyung Cho, Qi Sun, Eleanor Patricia McBride, Jean-Luc Brédas* and Veaceslav Coropceanu*, ","doi":"10.1021/acsmaterialslett.5c0031410.1021/acsmaterialslett.5c00314","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00314https://doi.org/10.1021/acsmaterialslett.5c00314","url":null,"abstract":"The donor–acceptor (D-A•) radicals containing the tris(2,4,6-trichlorophenyl)methyl (TTM•) acceptor have recently received much attention in view of their efficient luminescence. Since TTM• is structurally alternant, based on the orbital-pairing features described for alternant hydrocarbons, it was proposed that the D-A• molecule could exhibit emissive properties only when the donor component is nonalternant. This hypothesis seemed to be validated by the synthesis of the alternant TTM•-tetracene system, which was measured to be nonemissive. While some experimental findings have deviated from the alternant rule, the underlying mechanism remains unclear. Here, we investigate quantum mechanically the excited-state properties of a series of TTM•-acene radicals. The results of our high-level calculations highlight that alternant hydrocarbons should not be disregarded in the design of radical emitters, rationalize the absence of emission in TTM•-tetracene, and lead to a set of simple rules to obtain highly luminescent TTM-D emitters.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1620–1625 1620–1625"},"PeriodicalIF":9.6,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143785037","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

Artificial Human Blood Vessels for Tissue Engineering 用于组织工程的人造血管

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-27 DOI: 10.1021/acsmaterialslett.5c0003810.1021/acsmaterialslett.5c00038

Yi Zhang, Lina Lin, Mengying Niu, Feika Bian*, Weijian Wang* and Yan Zu*,

{"title":"Artificial Human Blood Vessels for Tissue Engineering","authors":"Yi Zhang, Lina Lin, Mengying Niu, Feika Bian*, Weijian Wang* and Yan Zu*, ","doi":"10.1021/acsmaterialslett.5c0003810.1021/acsmaterialslett.5c00038","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00038https://doi.org/10.1021/acsmaterialslett.5c00038","url":null,"abstract":"Vasculature occupies a crucial position in maintaining human life. However, repairing vascular injuries remains an essential challenge in clinical treatment. In recent years, vascular tissue engineering has undergone rapid progress. Compared with traditional autogenous vessel grafting, artificial blood vessels have diverse advantages, benefiting from excellent biocompatibility, mechanical properties, and controllable structures. This review focuses on the recent development of artificial engineered blood vessels to offer a systematic review of fabrication and applications of this technique. Initially, preparation materials of artificial vessels are introduced. In addition, manufacturing methods of artificial vessels are discussed, including casting, spinning, 3D printing, and microfluidics. Then, the applications in vascular replacement therapy, vascular access for hemodialysis, and peripheral arterial disease are depicted. Finally, the recent challenges and prospects of this technique are described. It is hoped that this systematic review provides valuable information to relevant researchers and encourages advancements in the creation of tissue-engineered blood vessels.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1626–1645 1626–1645"},"PeriodicalIF":9.6,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143785014","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

Surface Planarization and Chemical Adhesion Enable 25.0% Efficient Perovskite Single-Crystal Solar Cells 表面平面化和化学粘附使25.0%高效钙钛矿单晶太阳能电池成为可能

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-26 DOI: 10.1021/acsmaterialslett.4c0254910.1021/acsmaterialslett.4c02549

Mudeha Shafat Khan, Partha Maity, Khulud Almasabi, Bashir E. Hasanov, Muhammad Naufal Lintangpradipto, Renqian Zhou, Wasim J. Mir, Tariq Sheikh, Abdul-Hamid Emwas, Mohamed Nejib Hedhili, Mutalifu Abulikemu, Omar F. Mohammed and Osman M. Bakr*,

{"title":"Surface Planarization and Chemical Adhesion Enable 25.0% Efficient Perovskite Single-Crystal Solar Cells","authors":"Mudeha Shafat Khan, Partha Maity, Khulud Almasabi, Bashir E. Hasanov, Muhammad Naufal Lintangpradipto, Renqian Zhou, Wasim J. Mir, Tariq Sheikh, Abdul-Hamid Emwas, Mohamed Nejib Hedhili, Mutalifu Abulikemu, Omar F. Mohammed and Osman M. Bakr*, ","doi":"10.1021/acsmaterialslett.4c0254910.1021/acsmaterialslett.4c02549","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02549https://doi.org/10.1021/acsmaterialslett.4c02549","url":null,"abstract":"Polycrystalline perovskite solar cells (PSCs) have achieved record efficiencies through facile passivation strategies during crystallization. By contrast, single-crystal PSCs face unique challenges. Their growth requires pristine, additive-free conditions, and controlling facet passivation remains difficult both during and after crystallization. These limitations primarily manifest as higher trap density at interfaces with charge-transport layers rather than within the crystal bulk. To address this challenge in single-crystal PSCs, we modified the hole-transport layer (HTL) surface by using a hydrophilic dielectric polymer. This treatment prevents charge leakage near pinholes while maintaining the single crystal adhesion. Our champion device achieved a high fill factor of 0.82, a large Voc of 1.08 V, and a record-setting power-conversion efficiency of 25.0% for single-crystal PSCs. Furthermore, the polymer’s hydrophilic properties, combined with strong crystal adhesion, enhanced the device’s operational stability. This work advances single-crystal PSC technology by addressing critical interfacial engineering challenges through a strategic HTL surface modification.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1603–1611 1603–1611"},"PeriodicalIF":9.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmaterialslett.4c02549","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143785012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Camouflaging Attenuated Salmonella by Detachable Metal Polyphenol Nanoshells for Enhanced Bacteria-Based Cancer Immunotherapy 可分离的金属多酚纳米壳伪装减毒沙门氏菌用于增强基于细菌的癌症免疫治疗

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-26 DOI: 10.1021/acsmaterialslett.5c0001210.1021/acsmaterialslett.5c00012

Bin Zhang, Rui-Mei Jin, Xiao-Ting Xie, Lin-Fang Tan, Meng-Wen Ma, Chao-Qin Li, Yuan-Di Zhao, Qiong Wang*, Jia-Hua Zou* and Bo Liu*,

{"title":"Camouflaging Attenuated Salmonella by Detachable Metal Polyphenol Nanoshells for Enhanced Bacteria-Based Cancer Immunotherapy","authors":"Bin Zhang, Rui-Mei Jin, Xiao-Ting Xie, Lin-Fang Tan, Meng-Wen Ma, Chao-Qin Li, Yuan-Di Zhao, Qiong Wang*, Jia-Hua Zou* and Bo Liu*, ","doi":"10.1021/acsmaterialslett.5c0001210.1021/acsmaterialslett.5c00012","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00012https://doi.org/10.1021/acsmaterialslett.5c00012","url":null,"abstract":"We developed Salmonella typhimurium VNP20009 camouflaged biodegradable metal polyphenol nanoshells for efficiently reducing bacterial virulence and prolonging bacterial in vivo circulation time to increase bacterial tumor enrichment. The four-layer nanoshell-encapsulated VNP20009 (M4@V) ensured the safety of treatment by effectively inhibiting bacterial proliferation and significantly reducing the toxicity in vivo. Moreover, the nanoshells significantly enhanced the biocompatibility of VNP20009 to protect it from phagocytosis, resulting in a 4-fold in vivo circulation time and a 1.97-fold increase in peak accumulation at the tumor sites. After the M4@V colonized in the tumor microenvironment, physiologically relevant levels of ascorbic acid (AA) triggered the degradation of the nanoshells to restore the proliferation of VNP20009 at the tumor sites. Within 4T1 tumor-bearing mouse models, the AA+M4@V showed remarkable efficacy in suppressing both primary and metastatic tumors and was accompanied by a highly specific immune response.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1593–1602 1593–1602"},"PeriodicalIF":9.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784923","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

Sustainability Meets Functionality: Green Design Approaches to Cellulose-Based Materials 可持续性满足功能：纤维素基材料的绿色设计方法

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-26 DOI: 10.1021/acsmaterialslett.4c0259110.1021/acsmaterialslett.4c02591

Yongjun Cho, Pham Thanh Trung Ninh, Sunoo Hwang, Shinhyeong Choe and Jaewook Myung*,

{"title":"Sustainability Meets Functionality: Green Design Approaches to Cellulose-Based Materials","authors":"Yongjun Cho, Pham Thanh Trung Ninh, Sunoo Hwang, Shinhyeong Choe and Jaewook Myung*, ","doi":"10.1021/acsmaterialslett.4c0259110.1021/acsmaterialslett.4c02591","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02591https://doi.org/10.1021/acsmaterialslett.4c02591","url":null,"abstract":"Cellulose has gained significant attention as a sustainable resource due to its abundance, renewability, and biodegradability, making it a promising alternative to nonbiodegradable materials. Various cellulose-based materials (CBMs) have been engineered to improve the properties of natural cellulose. However, achieving full sustainability of CBMs remains challenging, primarily on account of the intensive pretreatment and fabrication processes involved. Therefore, this review highlights recent advances in balancing functionality and sustainability in CBMs. The first section examines the key parameters and mechanisms that influence the mechanical, thermal, barrier, and optical properties of CBMs, alongside their promising applications. Additionally, this review offers a comprehensive discussion on the sustainability of CBMs, focusing on (nano)cellulose extraction from renewable sources using green solvents, eco-friendly and scalable fabrication processes, and sustainable end-of-life strategies such as biodegradation and recycling. Overall, this review offers guidelines for designing functional and green CBMs, contributing to the broader goal of a circular, zero-waste society.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1563–1592 1563–1592"},"PeriodicalIF":9.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784911","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

High Thermal Conductivity in Nano/Micro-Biphasic Liquid Metal/Carbon Nanofiber/Diamond Composite 纳米/微双相液态金属/碳纳米纤维/金刚石复合材料的高导热性

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-25 DOI: 10.1021/acsmaterialslett.4c0244910.1021/acsmaterialslett.4c02449

Chengzong Zeng*, Shiyueyan Lan, Mengyi Yang, Guangyin Liu, Qin Tang and Jun Shen,

{"title":"High Thermal Conductivity in Nano/Micro-Biphasic Liquid Metal/Carbon Nanofiber/Diamond Composite","authors":"Chengzong Zeng*, Shiyueyan Lan, Mengyi Yang, Guangyin Liu, Qin Tang and Jun Shen, ","doi":"10.1021/acsmaterialslett.4c0244910.1021/acsmaterialslett.4c02449","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02449https://doi.org/10.1021/acsmaterialslett.4c02449","url":null,"abstract":"Ga-based liquid metal (LM) composites incorporated with nanofillers hold substantial promise for application in the micro/submicron scale thermal management of electronic devices. However, the uniform compounding of LM with carbon nanofibers (CNFs) without phase separation is challenging. Herein, ultrasonic dispersion and in situ surface modification (phenolic resin, PR) were conducted to obtain a eutectic Ga–In (EGaIn)/CNF@PR compound. To further improve the low out-of-plane thermal conductivity of EGaIn/CNF, 27 wt % diamond microparticles were compounded with EGaIn/CNF containing 0.027 wt % CNF. A high thermal conductivity of 100 W m–1 K–1 was obtained, which was 384% higher than that of EGaIn. Combining the interfacial adsorption energy analysis, the bonding microstructure in the composite was CNF(/diamond)@PR@(Ga,In)2O3/EGaIn. Additionally, the composite exhibited excellent thermal performance as a thermal interface material in practical CPU tests. This indicates that combined use of micro and nano fillers can remarkably augment LM’s thermal conductivity at a relatively low filler content.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1555–1562 1555–1562"},"PeriodicalIF":9.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784910","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

Tuning Hot Carrier Dynamics in Vacancy-Ordered Halide Perovskites through Lattice Compression: Insight from ab Initio Quantum Dynamics and Machine Learning 通过晶格压缩调整空位有序卤化物钙钛矿中的热载流子动力学：从头算量子动力学和机器学习的见解

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-25 DOI: 10.1021/acsmaterialslett.5c0000110.1021/acsmaterialslett.5c00001

Bhawna Kamboj, Nikhil Singh, Pabitra Kumar Nayak and Dibyajyoti Ghosh*,

{"title":"Tuning Hot Carrier Dynamics in Vacancy-Ordered Halide Perovskites through Lattice Compression: Insight from ab Initio Quantum Dynamics and Machine Learning","authors":"Bhawna Kamboj, Nikhil Singh, Pabitra Kumar Nayak and Dibyajyoti Ghosh*, ","doi":"10.1021/acsmaterialslett.5c0000110.1021/acsmaterialslett.5c00001","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00001https://doi.org/10.1021/acsmaterialslett.5c00001","url":null,"abstract":"The efficient harvesting of hot carriers (HCs) from high-energy photons can significantly enhance the optoelectronic performances. However, ultrafast HC cooling through intraband transitions poses a significant challenge for extraction using traditional semiconductor absorbers. The stable and compressible vacancy-ordered halide perovskites with isolated octahedra exhibit discrete electronic states at the conduction band edge, indicating the possible slow cooling of hot electrons (HEs). Using state-of-the-art ab initio quantum dynamics simulations and unsupervised machine learning (ML), we investigate the effect of lattice stress on HE dynamics in vacancy-ordered Cs2SnBr6. The moderate stress enhances structural rigidity and weakens dynamic electron–phonon interactions at the conduction bands. Such modifications and the widened energy gap at the conduction band edge partially suppress intraband nonadiabatic transitions, eventually elongating the HE lifetime. The pairwise mutual information extracts hard-to-find highly nonlinear dynamic structure-excited state property correlations, offering the unique opportunity to design efficient lead-free halide perovskites for HE-based optoelectronics strategically.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1547–1554 1547–1554"},"PeriodicalIF":9.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784870","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

Multiple Ferroic Orderings in Lead-Free Hybrid Material Induced by Molecular Asymmetric Modification 分子不对称修饰诱导无铅杂化材料中的多重铁序

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-24 DOI: 10.1021/acsmaterialslett.5c0040010.1021/acsmaterialslett.5c00400

Bo Zhuang, Lei Pan, Zhi-Long Li, Jiu-Yang Liu, Zhi-Xu Zhang, Kun Ding*, Yi Zhang*, Zunqi Liu* and Da-Wei Fu*,

{"title":"Multiple Ferroic Orderings in Lead-Free Hybrid Material Induced by Molecular Asymmetric Modification","authors":"Bo Zhuang, Lei Pan, Zhi-Long Li, Jiu-Yang Liu, Zhi-Xu Zhang, Kun Ding*, Yi Zhang*, Zunqi Liu* and Da-Wei Fu*, ","doi":"10.1021/acsmaterialslett.5c0040010.1021/acsmaterialslett.5c00400","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00400https://doi.org/10.1021/acsmaterialslett.5c00400","url":null,"abstract":"The characteristics of multiple ferroic orderings can afford potential applications such as mechanical switches, energy conversion, and pressure sensors. However, it remains a tremendous challenge to achieve multiple ferroic orderings due to rigorous requirements for certain symmetry in the crystal lattice and symmetry breaking. The organic–inorganic halide material has been regarded as possessing great potential for ferroelectric and ferroelastic phase transition for its unique structures. Herein, by modifying molecular symmetries, we successfully obtained the lead-free hybrid halide material (AMP)2SbBr5 (AMP = 2-Amino-2-methyl-1-propanol). With the help of hydroxyl insertion, the mirror symmetry was broken, realizing ferroelectric and ferroelastic phase transitions. The lone-pair electron activity as well as the directional ordering of the organic cations triggered the saturated polarization of 11.28 μC cm–2, which is the largest polarization ever found in antimony-based molecular ferroelectrics. This study enhanced lead-free molecular ferroelectric development and offers instructive inspiration for designing multiple ferroic orderings.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1540–1546 1540–1546"},"PeriodicalIF":9.6,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784875","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

Light-Controlled Switch for Divergent Coupling of Thiols to Disulfides/Thioethers over CdS Quantum Dots CdS量子点上硫醇到二硫化物/硫醚发散耦合的光控开关

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-24 DOI: 10.1021/acsmaterialslett.5c0014210.1021/acsmaterialslett.5c00142

Ming-Yu Qi, Xin-Ni Shao, Zi-Rong Tang* and Yi-Jun Xu*,

{"title":"Light-Controlled Switch for Divergent Coupling of Thiols to Disulfides/Thioethers over CdS Quantum Dots","authors":"Ming-Yu Qi, Xin-Ni Shao, Zi-Rong Tang* and Yi-Jun Xu*, ","doi":"10.1021/acsmaterialslett.5c0014210.1021/acsmaterialslett.5c00142","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00142https://doi.org/10.1021/acsmaterialslett.5c00142","url":null,"abstract":"Switchable divergent organic transformations represent a straightforward but challenging method to synthesize structurally varied compounds starting from the same set of raw materials. Herein, we report the divergent dehydrocoupling of thiols into tunable disulfides/thioethers and H2 in response to the visible or ultraviolet (UV) light, over CdS quantum dots. Regulating the irradiation wavelength allows disulfides and thioethers to be synthesized in moderate to high yields with good functional group tolerance. Mechanistic studies reveal that thiols are oxidized to produce sulfur-centered radicals by photogenerated holes under visible light irradiation, which then undergo S–S coupling to form disulfides. While under UV light irradiation, the cleavage of C–S bonds in thiols occurs readily to afford aryl radicals, which interact with sulfur-centered radicals, undergoing C–S coupling to obtain thioethers. This work is expected to open an avenue of light-controlled switch to maneuver a radical conversion route for divergent synthesis of value-added fine chemicals.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1533–1539 1533–1539"},"PeriodicalIF":9.6,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784915","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

Probing the Critical Metal Node and Ligand Concentrations for MOF Nucleation on a Substrate 探测基体上MOF成核的关键金属节点和配体浓度

IF 9.6 1区化学

ACS Materials Letters Pub Date : 2025-03-24 DOI: 10.1021/acsmaterialslett.5c0036110.1021/acsmaterialslett.5c00361

Sijie Xie, Xiaoyu Tan*, Xuan Zhang* and Jan Fransaer*,

{"title":"Probing the Critical Metal Node and Ligand Concentrations for MOF Nucleation on a Substrate","authors":"Sijie Xie, Xiaoyu Tan*, Xuan Zhang* and Jan Fransaer*, ","doi":"10.1021/acsmaterialslett.5c0036110.1021/acsmaterialslett.5c00361","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00361https://doi.org/10.1021/acsmaterialslett.5c00361","url":null,"abstract":"Determining the critical concentrations of metal nodes and ligands required for metal–organic framework (MOF) nucleation on a substrate remains a fundamental challenge. Here we propose an electrochemical method to address this issue by integrating in situ surface mass change analysis with in situ surface pH measurement during a cathodic deposition process. Taking UTSA-280 ([Ca(C4O4)]n) as an example, the critical metal ion (c(Ca2+)) and deprotonated ligand (c(C4O42–)) concentrations for UTSA-280 nucleation on a gold substrate are determined. It is found that the values of c(Ca2+) × c(C4O42–) in different electrolytes with varied bulk Ca2+ concentrations are similar, which can be seen as an analogue of the solubility product of UTSA-280 considering its chemical formula. Also, a simple yet previously overlooked strategy to shorten the incubation time for MOF nucleation in cathodic deposition is proposed and verified. The presented method can be applied to other MOFs.","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1526–1532 1526–1532"},"PeriodicalIF":9.6,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784874","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