Journal of Colloid and Interface Science最新文献_第5页

Tailoring poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) membrane microstructure for lithium-ion battery separator applications 为锂离子电池隔膜应用定制聚偏氟乙烯-三氟氯乙烯膜微结构。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-08 DOI: 10.1016/j.jcis.2024.11.013

Rafael S. Pinto , João P. Serra , João C. Barbosa , Maria M. Silva , Manuel Salado , Arkaitz Fidalgo Marijuan , Eder Amayuelas , Yaroslav Grosu , Renato Gonçalves , Senentxu Lanceros-Mendez , Carlos M. Costa

{"title":"Tailoring poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) membrane microstructure for lithium-ion battery separator applications","authors":"Rafael S. Pinto , João P. Serra , João C. Barbosa , Maria M. Silva , Manuel Salado , Arkaitz Fidalgo Marijuan , Eder Amayuelas , Yaroslav Grosu , Renato Gonçalves , Senentxu Lanceros-Mendez , Carlos M. Costa","doi":"10.1016/j.jcis.2024.11.013","DOIUrl":"10.1016/j.jcis.2024.11.013","url":null,"abstract":"<div><div>Novel battery separators based on poly(vinylidene fluoride-<em>co</em>-trifluoroethylene-chlorofluoroethylene)– P(VDF-TrFE-CFE)- were produced by different processing techniques (non-solvent and thermally induced phase separation, salt leaching and electrospinning), in order to evaluate their effect on separator morphology, degree of porosity and pore size, electrochemical parameters and battery cycling behavior. It has been demonstrated that the different processing techniques have a significant influence on the morphology and mechanical properties of membranes. The degree of porosity varies between 23 % and 66 %, for membranes obtained by salt leaching and thermally induced phase separation, respectively.</div><div>The membranes present a high ionic conductivity value ranging between 1.8 mS.cm<sup>−1</sup> for the electrospun membrane and 0.20 mS.cm<sup>−1</sup> for the membrane processed by thermally induced phase separator. The lithium transference number value for all membranes is above 0.20, the highest value of 0.55 being obtained for samples prepared by salt leaching and thermally induced phase separation.</div><div>For all membranes, battery capacity values have been obtained at different C-rates with excellent reversibility. P(VDF-TrFE-CFE) samples present an excellent battery performance at 1C-rate after 100 cycles with 74 mAh.g<sup>−1</sup> and excellent coulombic efficiency, for membrane processed by the salt leaching technique. This work demonstrates that P(VDF-TrFE-CFE) terpolymer can be used as a porous membrane in lithium-ion battery separator application, the membrane processing technique allowing to tailor its morphology and, consequently, battery performance.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 714-724"},"PeriodicalIF":9.4,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611459","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

Excellent broadband sound absorption in composites manufactured by embedding piezoelectric polymer aerogels in porous ceramics 通过在多孔陶瓷中嵌入压电聚合物气凝胶而制造的复合材料具有出色的宽带吸声性能。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.036

Kunhan Chen, Dong Wang, Jiawei Du, Qikuan Cheng, Lu Zhang, Weibang Xia, Yunming Wang, Huamin Zhou

{"title":"Excellent broadband sound absorption in composites manufactured by embedding piezoelectric polymer aerogels in porous ceramics","authors":"Kunhan Chen, Dong Wang, Jiawei Du, Qikuan Cheng, Lu Zhang, Weibang Xia, Yunming Wang, Huamin Zhou","doi":"10.1016/j.jcis.2024.11.036","DOIUrl":"10.1016/j.jcis.2024.11.036","url":null,"abstract":"<div><div>Challenges remain in the design and manufacture of acoustic devices with excellent broadband sound absorption performance. Herein, an efficient acoustic absorber with hierarchical pore structure and additional acoustic-electrical energy conversion mechanism is reported in which combined zirconia porous ceramics and P(VDF-TrFE) piezoelectric aerogels. Reticular cross-scale pore structure enables sound waves to propagate and dissipate effectively. The vibrations generated by piezoelectric aerogels under acoustic excitation further consume sound waves through converting acoustic energy into electrical energy based on the local piezoelectric and triboelectric effect, which improves the medium and low-frequency sound absorption capability. The average sound absorption coefficient of the prepared acoustic composites reaches 0.87 while the noise reduction coefficient is 0.54. Furthermore, the composites also possess low density, high compressive strength, good hydrophobicity and thermal insulation properties for applications. Therefore, this innovative strategy offers new design ideas for the next generation of high-performance acoustic materials with promising applications in transportation and industrial construction.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 537-545"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611359","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

Improved tribological properties of MXene nanosheet filler-modified PPO composites 改进 MXene 纳米片填料改性 PPO 复合材料的摩擦学性能。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.016

Yongxing Liu , Yanming Wang , Junxian Hou , Wangfei Shen , Xiaoliang Zhang , Zongqi Li , Ping Li , Xiying Fu , Yafeng Wang , Chunxia Wu

{"title":"Improved tribological properties of MXene nanosheet filler-modified PPO composites","authors":"Yongxing Liu , Yanming Wang , Junxian Hou , Wangfei Shen , Xiaoliang Zhang , Zongqi Li , Ping Li , Xiying Fu , Yafeng Wang , Chunxia Wu","doi":"10.1016/j.jcis.2024.11.016","DOIUrl":"10.1016/j.jcis.2024.11.016","url":null,"abstract":"<div><div>MXenes, a class of two-dimensional (2D) nanomaterials, exhibit exceptional properties such as outstanding mechanical and thermal stability, along with diverse surface characteristics, making them highly promising in the tribology. However, their tendency to aggregate within the polymeric matrix adversely affects the tribological performance of the polymer. In this study, glass fiber (GF) surfaces were modified with polydopamine (PDA), allowing smaller MXene nanosheets to adhere to the GF surface, whereas the larger MXene nanosheets were dispersed throughout the matrix. This approach effectively enhanced the dispersion of MXene nanosheets in the polymeric matrix, facilitating the preparation of polyphenylene oxide (PPO)/MXene composite materials. Compared with the pure PPO sample, the results showed that the average friction coefficient and wear rate of the PPO/MXene composites were reduced by 46.25% and 98.34%, respectively, due to the distinct roles of different MXene nanosheet sizes in the polymeric matrix. Furthermore, a uniform lubricating film was formed during the friction of the polymer composite, enhancing its tribological performance. This study proposes a novel design strategy to enhance MXene nanosheet dispersion and optimize their lubricating properties.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 618-631"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611371","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 reconstitution of Ni(III)-based active sites from vanadium doped nickel phosphide/metaphosphate for super-stable urea-assisted water electrolysis at large current densities 从掺钒磷化镍/偏磷酸盐中原位重组镍(III)基活性位点，实现大电流密度下超稳定尿素辅助水电解。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.025

Xiaoming Li , Binbin Han , Shuyi Cao , Hongtao Bai , Jingde Li , Xiaohang Du

{"title":"In-situ reconstitution of Ni(III)-based active sites from vanadium doped nickel phosphide/metaphosphate for super-stable urea-assisted water electrolysis at large current densities","authors":"Xiaoming Li , Binbin Han , Shuyi Cao , Hongtao Bai , Jingde Li , Xiaohang Du","doi":"10.1016/j.jcis.2024.11.025","DOIUrl":"10.1016/j.jcis.2024.11.025","url":null,"abstract":"<div><div>Efficient bifunctional electrocatalysts towards oxygen evolution reaction (OER) and urea electrooxidation reaction (UOR) are urgently needed for hydrogen production from urea-containing wastewater electrolysis. The main challenge lies in the sluggish UOR kinetics and the stability of catalyst under practical high current density. Here, a vanadium doped heterostructure of Ni(PO<sub>3</sub>)<sub>2</sub>/Ni<sub>2</sub>P with shaggy nanosheet morphology was successfully synthesized. The doping of V atoms promotes the formation of Ni(PO<sub>3</sub>)<sub>2</sub>/Ni<sub>2</sub>P heterojunction in phosphating process. It is demonstrated that V-doped Ni(PO<sub>3</sub>)<sub>2</sub>/Ni<sub>2</sub>P accelerates the generation of real active site V@NiOOH in OER and UOR processes, which can also be stabilized by the PO<sub>3</sub><sup>−</sup> ions. The in-situ formed V@NiOOH increases the adsorption energy of urea molecule, and reduces the adsorption energy of key intermediates *COO, thus facilitating the release of CO<sub>2</sub> product from the catalyst surface. The energy barrier of *HNCON to *NCON is also reduced dramatically, promoting the kinetics of UOR. In addition, the shaggy nanosheets morphology provides large number of catalytic sites and transport channels, which are conducive to mass transfer under high current density. As a result, the V-Ni(PO<sub>3</sub>)<sub>2</sub>/Ni<sub>2</sub>P electrode based anion-exchange membrane (AEM) electrolyzer needs only 1.61 V to drive the total urea electrolysis at an industrial grade current density of 550 mA cm<sup>−2</sup> with an outstanding durability of 700 h. This work paves the way for designing practical efficient and stable electrocatalyst for urea contained wastewater electrolysis to produce hydrogen.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 665-675"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611375","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

Tantalum-induced reconstruction of nickel sulfide for enhanced bifunctional water splitting: Separate activation of the lattice oxygen oxidation and hydrogen spillover 钽诱导硫化镍重构以增强双功能水分离：分别激活晶格氧氧化和氢溢出。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.022

Xuanzhi Liu , Meihuan Liu , Hanxiao Liao , Shaohui Zhang , Xiaorong He , Yue Yu , Longquan Li , Pengfei Tan , Feng Liu , Jun Pan

{"title":"Tantalum-induced reconstruction of nickel sulfide for enhanced bifunctional water splitting: Separate activation of the lattice oxygen oxidation and hydrogen spillover","authors":"Xuanzhi Liu , Meihuan Liu , Hanxiao Liao , Shaohui Zhang , Xiaorong He , Yue Yu , Longquan Li , Pengfei Tan , Feng Liu , Jun Pan","doi":"10.1016/j.jcis.2024.11.022","DOIUrl":"10.1016/j.jcis.2024.11.022","url":null,"abstract":"<div><div>Designing highly active and stable bifunctional catalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) under alkaline conditions is crucial for sustainable overall water splitting. Herein, we present a targeted reconstruction of Ni<sub>3</sub>S<sub>2</sub> by introducing tantalum, achieving remarkable overall water splitting performance through the separate activation of the lattice oxygen mechanism and hydrogen spillover. Electrochemical Mass Spectrometry and <em>in-situ</em> Raman spectroscopy reveal that tantalum induces Ni<sub>3</sub>S<sub>2</sub> to reconstruct into nickel hydroxide during OER, thereby enhancing catalytic activity via the activation of the lattice oxygen mechanism. In the corresponding HER, tantalum promotes the reconstruction of Ni<sub>3</sub>S<sub>2</sub> into oxysulfide, facilitates hydrogen spillover, and acts as an anchor to shorten the spillover distance, improving the HER catalytic performance, as verified by the kinetic isotope effect and theoretical calculations. Therefore, the catalyst-based anion exchange membrane water electrolyzer system achieves a current density of 1 A cm<sup>−2</sup> at just 1.97 V, maintaining continuous operation for 500 h. This study offers new insights into the design of bifunctional catalysts, advancing the development of efficient and robust overall water splitting catalysts.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 568-577"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611471","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

Building hydrophobic substrate pocket to boost activity of laccase-like nanozyme through acetonitrile-mediated strategy 通过乙腈介导策略建立疏水性底物口袋，提高类漆酶纳米酶的活性。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.021

Wenting Wu , Chao Peng , Ying Wang , Jing Li , Erkang Wang

{"title":"Building hydrophobic substrate pocket to boost activity of laccase-like nanozyme through acetonitrile-mediated strategy","authors":"Wenting Wu , Chao Peng , Ying Wang , Jing Li , Erkang Wang","doi":"10.1016/j.jcis.2024.11.021","DOIUrl":"10.1016/j.jcis.2024.11.021","url":null,"abstract":"<div><div>Nanozymes, as promising alternatives to natural enzymes, offer several advantages with biocatalytic functions but remain inferior in catalytic activity. It is crucial to focus on factors that affect the enzymatic activity of nanozymes and develop strategies to make them more competitive with natural enzymes. Herein, CuV<sub>2</sub>O<sub>5</sub> nanorods are confirmed to own the intrinsic laccase-like activity, and an acetonitrile (MeCN)-mediated strategy is proposed for reaction acceleration by mimicking the enzymatic substrate pocket. In the presence of MeCN, the interaction between substrates and nanozymes gets efficiently promoted by the bridging function of cyano-group, where the utilization of Cu active sites is greatly improved due to the condensed hydrophobic substrate layers formed in the vicinity of CuV<sub>2</sub>O<sub>5</sub> nanorods by the solvent effect of MeCN. Theoretical calculations also disclose that the addition of MeCN endows 2,4-dichlorophenol (2,4-DP) with a lower free-energy barrier in adsorption and activation on the surface of CuV<sub>2</sub>O<sub>5</sub> nanozyme. Benefiting from the improved activity, a sensitive colorimetric sensing platform for 2,4-DP is constructed with the limit of detection as low as 0.48 μM. Our finding lays a theoretical foundation for achieving high-performance catalytical activity of the nanozymes based on the modulation of the reaction microenvironment, effectively alleviating the complex engineering process of nanozymes.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 785-794"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611314","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

Modifying d–p orbital hybridization of Ni/FeO species by high-valence ruthenium doping to enhance oxygen evolution performance 通过掺杂高价钌来改变 Ni/FeO 物种的 d-p 轨道杂化，从而提高氧进化性能。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.029

Tianmi Tang, Xue Bai, Xiaoqin Xu, Zhenlu Wang, Jingqi Guan

{"title":"Modifying d–p orbital hybridization of Ni/FeO species by high-valence ruthenium doping to enhance oxygen evolution performance","authors":"Tianmi Tang, Xue Bai, Xiaoqin Xu, Zhenlu Wang, Jingqi Guan","doi":"10.1016/j.jcis.2024.11.029","DOIUrl":"10.1016/j.jcis.2024.11.029","url":null,"abstract":"<div><div>The electron distribution of catalysts can be modulated by high-valence metal doping, thus enhancing the intrinsic activity. Herein, we adopt Ru modification to adjust the <em>d–p</em> orbital hybridization of Ni-Fe oxyhydroxides, significantly increasing the oxygen evolution reaction (OER) activity. The amorphous NiFe<sub>0.5</sub>Ru<sub>0.1</sub>O<sub>x</sub>H<sub>y</sub> catalyst synthesized by sol–gel method exhibits excellent OER activity, far superior to commercial RuO<sub>2</sub>. In situ Raman and XPS results confirm that the NiOOH/FeOOH active species gradually form with increasing applied voltage. Density functional theory (DFT) calculations reveal that high-valence Ru dopants can effectively regulate the hybridization of <em>d–p</em> orbital of Ni/Fe<img>O, significantly increase the electron density around Fermi level, promote charge transfer, make them have more anti-bonding orbitals, enhance the binding ability of active sites to intermediates, reduce the reaction energy barrier of the rate-determining step (H<sub>2</sub>O → *OH), and thus improve the OER activity. In addition, NiFeRuO<sub>x</sub>H<sub>y</sub> as a cathode catalyst in a rechargeable zinc-air battery shows an outstanding cycle life of 600 h. This study provides a promising hybrid orbital method for designing high-performance OER catalysts for water splitting and rechargeable zinc-air batteries.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 676-683"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611384","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

Iron and nickel based alloy nanoparticles anchored on phosphorus-modified carbon-nitrogen plane enhances electrochemical nitrate reduction to ammonia 锚定在磷改性碳氮平面上的铁基和镍基合金纳米颗粒可增强硝酸盐还原成氨的电化学效果。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.026

Meng Zhang , Xuetao Cheng , Xiaoman Yao , Jianyi Chu , Fenghua Bai , Chenghua Sun , Yan-Qin Wang

{"title":"Iron and nickel based alloy nanoparticles anchored on phosphorus-modified carbon-nitrogen plane enhances electrochemical nitrate reduction to ammonia","authors":"Meng Zhang , Xuetao Cheng , Xiaoman Yao , Jianyi Chu , Fenghua Bai , Chenghua Sun , Yan-Qin Wang","doi":"10.1016/j.jcis.2024.11.026","DOIUrl":"10.1016/j.jcis.2024.11.026","url":null,"abstract":"<div><div>The catalysts of iron and nickel nanoparticles anchored on carbon–nitrogen plane (FeNi-CN) are considered as the potential candidates for promising electrochemical nitrate reduction to ammonia (ENO<sub>3</sub>RR). However, the high d-orbital energy levels of iron and nickel sites coordinated with nitrogen atoms often lead to overly strong adsorption of reaction intermediates on active sites, severely limiting the improvement of catalytic performance. Herein, a catalyst FeNi<sub>3</sub>@P-NC consisting FeNi<sub>3</sub> alloy nanoparticles confined in phosphorus (P)-modified carbon–nitrogen plane is successfully fabricated, where the electron withdrawal effect induced by P on the carbon–nitrogen plane decreases the d-orbital energy, and optimizes the d-band center of FeNi alloy, thus weakening the overly strong adsorption of intermediates at the metal-N sites and thereby improving NO<sub>3</sub>RR activity. The prepared FeNi<sub>3</sub>@P-NC catalyst exhibits exceptional NO<sub>3</sub>RR performance with a 93 ± 4.5 % Faradaic efficiency of NH<sub>3</sub> production (FE<sub>NH3</sub>) and a high NH<sub>3</sub> yield rate (Y<sub>NH3</sub>) of 9633 ± 227.3 μg h<sup>−1</sup> cm<sup>−2</sup> at −0.7 V versus Reversible Hydrogen Electrode (vs. RHE) under alkaline medium. Importantly, FeNi<sub>3</sub>@P-NC also demonstrates superior catalytic stability and durability, which maintains stability over twenty-five successive electrochemical cycles and for 50 h of continuous electrolysis at 100 mA cm<sup>−2</sup>.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 632-642"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611378","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

Biphasic interface templated synthesis of wrinkled MOFs for the construction of cascade sensing platform based on the encapsulated gold nanoclusters and enzymes 双相界面模板合成皱褶 MOFs，用于构建基于封装金纳米团簇和酶的级联传感平台。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-07 DOI: 10.1016/j.jcis.2024.11.019

Ximeng Liu, Jingwen Chen, Fan Xia, Jian Yang, Chun Feng, Jinlou Gu

{"title":"Biphasic interface templated synthesis of wrinkled MOFs for the construction of cascade sensing platform based on the encapsulated gold nanoclusters and enzymes","authors":"Ximeng Liu, Jingwen Chen, Fan Xia, Jian Yang, Chun Feng, Jinlou Gu","doi":"10.1016/j.jcis.2024.11.019","DOIUrl":"10.1016/j.jcis.2024.11.019","url":null,"abstract":"<div><div>The design and construction of MOFs with flower-like structure could afford sufficient space for the immobilization of guests with large size and interconnected transport channels for their mass diffusion although it remains a challenge. Herein, wrinkled Ce-based hierarchically porous UiO-66 (Ce-WUiO-66) with good crystallinity was successfully synthesized for the first time using bicontinuous emulsion composed of 1-heptanol, water and F127 (PEO<sub>106</sub>PPO<sub>70</sub>PEO<sub>106</sub>) surfactant as a template. F127 played a key role in the formation of emulsions as a stabilizer, and meanwhile its PEO segments interacted with MOF precursors to guide the evolvement of crystallized pore walls. Through controlling the ratios of heptanol to water and the salinity, the distances of the pleat openings and the morphology of the resultant Ce-WUiO-66 were facilely regulated. In virtue of its highly open radial structure, Ce-WUiO-66 could serve as an ideal platform for loading multiple substances to build a cascade sensing system. As a proof of concept, we designed an amino acid (AA) cascade probe by co-immobilizing gold nanoclusters (AuNCs) and LAA oxidase into Ce-WUiO-66. The aggregation-induced-emission enhancement resulted from the encapsulation of AuNCs into Ce-WUiO-66 significantly improved the detection sensitivity and the detection limit of corresponding substrates reached as low as 10<sup>-8</sup> M. The proposed biphasic interface assembly strategy is hopefully to provide a new route for the rational design of MOFs with various open pore structure and broaden their potential applications with multiple large-size substances involved besides the currently exemplified cascade sensing platform.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 528-536"},"PeriodicalIF":9.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611250","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 light-harvesting system with sequential energy transfer in photocatalytic CP coupling based on supramolecular organic framework of triphenylamine 基于三苯胺超分子有机框架的光催化 CP 偶联中具有顺序能量转移功能的人工光收集系统。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2024-11-06 DOI: 10.1016/j.jcis.2024.11.028

Xuan-Zong Yang , Zhao-Gao Zhang , Cheng-Long Xin , Hui Liu , Shengsheng Yu , Ling-Bao Xing

{"title":"Artificial light-harvesting system with sequential energy transfer in photocatalytic CP coupling based on supramolecular organic framework of triphenylamine","authors":"Xuan-Zong Yang , Zhao-Gao Zhang , Cheng-Long Xin , Hui Liu , Shengsheng Yu , Ling-Bao Xing","doi":"10.1016/j.jcis.2024.11.028","DOIUrl":"10.1016/j.jcis.2024.11.028","url":null,"abstract":"<div><div>Porous structures exhibit an increased access surface area, thereby promoting the efficient transportation of active oxygen species. Reinforcing the development of artificial light-harvesting systems (LHSs) with porous structured supramolecular organic frameworks (SOFs) as the energy donor can significantly enhance its photocatalytic performance, thereby facilitating efficient organic transformation via photocatalysis. In this investigation, we have successfully fabricated a supramolecular organic framework (MT-SOF) composed of cucurbit[8]uril (CB[8]) and triphenylamine derivative (MeTPPA). Because of the framework structure and large ring restriction in MT-SOF, its fluorescence emission shows a significant increase when compared to that of the individual MeTPPA molecule. By harnessing the remarkable fluorescence emission characteristics of MT-SOF, it was employed as an energy donor in conjunction with Sulforhodamine 101 (SR101) and Cyanine 5 (Cy5) as acceptors to fabricate sequential energy transfer LHS. MT-SOF-SR101-Cy5 has the ability to act as a photosensitizer, facilitating the C<img>P bond coupling with broad applicability. It is important to mention that when compared to MeTPPA, MT-SOF and MT-SOF-SR101, the photocatalytic performance of MT-SOF-SR101-Cy5, featuring continuous two-step energy transfer, shows significant improvement, which can be attributed to the porous structure of MT-SOF and the increased efficiency in generating superoxide anion radical (O<sub>2</sub><sup><img>−</sup>).</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"680 ","pages":"Pages 587-595"},"PeriodicalIF":9.4,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611243","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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