Journal of Colloid and Interface Science最新文献

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Dual-site and carbon-ring moiety modulation of polymeric carbon nitride for improved cooperative photocatalysis. 用于改进协同光催化的聚合物氮化碳的双位点和碳环部分调制。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-02 DOI: 10.1016/j.jcis.2024.12.003
Pengbo Li, Yuanrong Zhang, Haodi Liu, Yanfen Fang, Shuaitao Li, Xun Hu, Qifeng Chen
{"title":"Dual-site and carbon-ring moiety modulation of polymeric carbon nitride for improved cooperative photocatalysis.","authors":"Pengbo Li, Yuanrong Zhang, Haodi Liu, Yanfen Fang, Shuaitao Li, Xun Hu, Qifeng Chen","doi":"10.1016/j.jcis.2024.12.003","DOIUrl":"10.1016/j.jcis.2024.12.003","url":null,"abstract":"<p><p>The conjugated structure of graphitic polymeric carbon nitrides (GPCNs) has low efficiency in the photocatalytic hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) production, due to the electronic properties, band structure, and surface-active-sites. Herein, boron and carbon-ring modified GPCNs were synthesized with via a thermal condensation method, using melamine and phenylboronic acid as raw materials. The introduced boron atom, conjugated to the carbon atom in the heptazine moiety, and the adjacent nitrogen vacancy (V<sub>N</sub>) formed a dual-site, which not only modified the electronic properties but also promoted the adsorption and activation of molecular dioxygen; The carbon-ring introduced altered the band structure and electron distribution, which was proved by density functional theory (DFT) calculations. The co-modification promoted the conversion of dioxygen molecule to H<sub>2</sub>O<sub>2</sub>, coupled with oxidation of benzyl alcohol (BA) to benzaldehyde (BAD). The optimal activity was achieved over CN-B<sub>3</sub> (1.87 mmol/(g·h)), which was about 4-fold higher than that of PCN (0.49 mmol/(g·h)). More interestingly, mechanism study revealed that the photocatalytic H<sub>2</sub>O<sub>2</sub> generation was realized via a photon energy transfer route, that is, O<sub>2</sub> molecule firstly was converted to a highly active singlet oxygen (<sup>1</sup>O<sub>2</sub>) intermediate, which was reduced by electrons to superoxide anions (O<sub>2</sub><sup>-</sup>) and coupled with proton to form H<sub>2</sub>O<sub>2</sub>. This method provides a novel strategy to improve photocatalytic H<sub>2</sub>O<sub>2</sub> and high value-added chemical production by regulating the microstructure and electronic structure of GPCNs through heteroatom and moiety co-modification.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"725-737"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790801","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
Colloidal substrate-facilitated synthesis of gold nanohelices. 胶体底物促进金纳米螺旋的合成。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-01 DOI: 10.1016/j.jcis.2024.11.248
Qiao Pan, Shumin Li, Jialong Yu, Yong Li, Yijie Wang, Tao Ding, Hongyu Chen, Yawen Wang
{"title":"Colloidal substrate-facilitated synthesis of gold nanohelices.","authors":"Qiao Pan, Shumin Li, Jialong Yu, Yong Li, Yijie Wang, Tao Ding, Hongyu Chen, Yawen Wang","doi":"10.1016/j.jcis.2024.11.248","DOIUrl":"10.1016/j.jcis.2024.11.248","url":null,"abstract":"<p><p>Helical nanostructures have unique optical and mechanical properties, yet their syntheses had always been quite challenging. Various symmetry-breaking mechanisms such as chiral templates, strain-restriction and asymmetric ligand-binding have been developed to induce the helical growth at nanoscale. In this work, with neither chiral ligands nor templates, gold (Au) nanohelices were synthesized via a facile wet-chemical method, through an asymmetric Active Surface Growth facilitated by colloidal silica nanoparticles (NPs). The one-dimensional growth followed the Active Surface Growth, which employs a thiolated ligand to direct continuous deposition of Au at the interface, known as the active surface, between the Au nanostructures and the silica NPs - the colloidal substrates. More importantly, the colloidal substrates are crucial for the helical growth, as the diameter of the obtained nanohelices was found proportional to the size of the colloidal substrates. We propose that the nanoscale size and the curvature of the silica NPs would reduce the size of anchoring point between Au nanowires and the substrates, causing partial blockage of the active surface by the substrate and divergence of the activity on the active surface towards Au deposition. The subsequent inequivalent deposition, and the dynamic shifting of the blockage lead to the asymmetric growth and the formation of nanohelices. Factors that would affect the asymmetric Active Surface Growth were also identified and discussed, including the reduction kinetics, substrate treatment and the type and concentration of the ligand. In particular, variation of the size of the active surfaces would change the degree of the surface inequivalence, and thus affect the yield of the nanohelices.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"519-527"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783786","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
The multi-scale dissipation mechanism of composite solid electrolyte based on nanofiber elastomer for all-solid-state lithium metal batteries. 基于纳米纤维弹性体的全固态锂金属电池复合固体电解质的多尺度耗散机制。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-07 DOI: 10.1016/j.jcis.2024.12.042
Wen Yu, Hengying Xiang, Jianing Yue, Xiaofan Feng, Wenwen Duan, Yang Feng, Bowen Cheng, Nanping Deng, Weimin Kang
{"title":"The multi-scale dissipation mechanism of composite solid electrolyte based on nanofiber elastomer for all-solid-state lithium metal batteries.","authors":"Wen Yu, Hengying Xiang, Jianing Yue, Xiaofan Feng, Wenwen Duan, Yang Feng, Bowen Cheng, Nanping Deng, Weimin Kang","doi":"10.1016/j.jcis.2024.12.042","DOIUrl":"10.1016/j.jcis.2024.12.042","url":null,"abstract":"<p><p>Developing next generation batteries necessitates a paradigm shift in the way to engineering solutions for materials challenges. In comparison to traditional organic liquid batteries, all-solid-state batteries exhibit some significant advantages such as high safety and energy density, yet solid electrolytes face challenges in responding dimensional changes of electrodes driven by mass transport. Herein, the critical mechanical parameters affecting battery cycling duration are evaluated based on Spearman rank correlation coefficient, decoupling them into strength, ductility, stiffness, toughness, elasticity, etc. Inspired by the statistical results to apply the materials with stress-relief mechanisms, we propose an elastic solid electrolyte based on the multi-scale mechanical dissipation mechanism. The Li<sub>6.4</sub>La<sub>3</sub>Zr<sub>1.4</sub>Ta<sub>0.6</sub>O<sub>12</sub>/thermoplastic polyurethanes curled fibrous framework is designed and prepared by side-by-side electrospinning technique, serving as elastic source and ion-transport pathways for the composite with poly(ethylene oxide) matrix. Dominated sequentially by electrolyte deformation, network orientation, extendable fibers and molecular chain unfolding, the prepared elastic electrolyte exhibits excellent resilience, compression and puncture resistance. Meanwhile, the curled fast ion conductor fibers can also provide the transport pathways along the component of transmembrane direction, endowing the composite electrolyte with an ionic conductivity of 1.46 × 10<sup>-4</sup> S cm<sup>-1</sup> at 30 °C. A low capacity decay of 0.011 % per cycle at 2 C in assembled LiFePO<sub>4</sub>/Li battery and an excellent lifespan of 1000 cycles at 50 °C in LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub>/Li battery can be achieved. The elastic electrolyte system presents a promising strategy for enabling stable operation of high-energy all-solid-state lithium batteries.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"1073-1084"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142811513","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 energy storage density in high-temperature capacitor films at low electric fields. 在低电场条件下,高温电容器薄膜具有较高的储能密度。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-04 DOI: 10.1016/j.jcis.2024.12.006
Hua Wang, Zhichao Hu, Junhong Pan, Qian Liu, Chengli Sun, Chaowei Zhong, Enzhu Li
{"title":"High energy storage density in high-temperature capacitor films at low electric fields.","authors":"Hua Wang, Zhichao Hu, Junhong Pan, Qian Liu, Chengli Sun, Chaowei Zhong, Enzhu Li","doi":"10.1016/j.jcis.2024.12.006","DOIUrl":"10.1016/j.jcis.2024.12.006","url":null,"abstract":"<p><p>High-power applications, particularly in electromagnetic catapults, electric vehicles, and aerospace, necessitate the use of polymer dielectrics that demonstrate reliable performance in high-temperature environments. This study focuses on synthesizing three distinct morphologies of innovative wide-bandgap high-dielectric materials-hydroxyapatite (HAP). By conducting a combination of experiments and Multiphysics finite element simulations, a comprehensive comparison was made regarding the properties exhibited by three polyimide (PI) composites: PI/sea urchin-like HAP, PI/spherical HAP, and PI/rodlike HAP. The incorporation of high-surface-area spherical HAP or high aspect ratio rodlike HAP introduces intricate and convoluted growth paths for electric tree formation within the PI matrix, thereby augmenting the energy storage density (U<sub>e</sub>) at elevated temperatures (U<sub>η > 90%</sub> = 4.82 J/cm<sup>3</sup>, U<sub>η > 80%</sub> = 6.11 J/cm<sup>3</sup>, U<sub>η > 70%</sub> = 8.73 J/cm<sup>3</sup>, at 150 ℃). The incorporation of HAP increases the dielectric constant ε<sub>r</sub> to a maximum value of 4.96 in pure PI matrices, enabling the resulting PI/HAP composites to achieve remarkable values for both U<sub>e</sub> (4.82 J/cm<sup>3</sup>) and η (92.4 %) even under low electric field (E) conditions (350 MV/m). The PI/HAP composite film demonstrates high energy storage density under low E, offering an innovative solution for energy storage applications in film capacitors operating in high-temperature environments.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"1104-1115"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142816917","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-performance aqueous zinc-ion hybrid micro-supercapacitors enabled by oxygen-rich functionalised MXene nanofibres. 由富氧功能化MXene纳米纤维实现的高性能水性锌离子杂化微型超级电容器。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-07 DOI: 10.1016/j.jcis.2024.12.038
Yamin Feng, Weifeng Liu, Haineng Bai, Yan Zhang, Yunxiao Du, Yongqiang Liu, Long Zhang
{"title":"High-performance aqueous zinc-ion hybrid micro-supercapacitors enabled by oxygen-rich functionalised MXene nanofibres.","authors":"Yamin Feng, Weifeng Liu, Haineng Bai, Yan Zhang, Yunxiao Du, Yongqiang Liu, Long Zhang","doi":"10.1016/j.jcis.2024.12.038","DOIUrl":"10.1016/j.jcis.2024.12.038","url":null,"abstract":"<p><p>Aqueous zinc-ion hybrid micro-supercapacitors (AZIHMSCs) with high power density, moderate energy density, good cycle life and excellent safety are promising candidates for micro-energy storage. Among them, AZIHMSCs based on Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene anodes and battery-type cathodes can provide superior performance. However, two-dimensional (2D) Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene electrodes have an inherent restacking issue and -F surface terminations that hinder ion diffusion and ultimately reduce the energy storage capacity of the corresponding AZIHMSCs. Herein, a deep alkalisation strategy was developed to synthesise oxygen-rich, functionalised MXene (O-MXene) nanofibres to solve these problems. Compared with the traditional 2D few-layered Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene electrode, O-MXene electrodes exhibit an interconnected, three-dimensional (3D) microstructure and ample oxygen functional groups, enhancing Zn<sup>2+</sup> affinity and improving capacitance and rate performance. First-principles calculations further reveal the enhanced interactions between O-MXene electrodes and Zn<sup>2+</sup> supported by atomic interaction, electronic behaviour and orbital hybridization. The AZIHMSCs fabricated with an O-MXene film anode and a MnO<sub>2</sub>-multiwalled carbon nanotubes (MnO<sub>2</sub>-MWCNTs) film cathode exhibit excellent energy density (130.6 μWh cm<sup>-2</sup>), power density (9.5 mW cm<sup>-2</sup>), cycling stability (93.29 % after 5000 cycles) and flexibility (98.43 % capacitance retained at 120° bending). This study will open new avenues for modifying MXene materials and next-generation high-performance AZIHMSCs.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"1085-1093"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142816918","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
Green preparation of nitrogen vacancies enriched g-C3N4 for efficient photocatalytic reduction of CO2 and Cr(VI). 绿色制备富氮空位g-C3N4高效光催化还原CO2和Cr(VI)。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-01 DOI: 10.1016/j.jcis.2024.11.237
Yuyang Gong, Jiufu Chen, Dongmei Ma, Junbo Zhong
{"title":"Green preparation of nitrogen vacancies enriched g-C<sub>3</sub>N<sub>4</sub> for efficient photocatalytic reduction of CO<sub>2</sub> and Cr(VI).","authors":"Yuyang Gong, Jiufu Chen, Dongmei Ma, Junbo Zhong","doi":"10.1016/j.jcis.2024.11.237","DOIUrl":"10.1016/j.jcis.2024.11.237","url":null,"abstract":"<p><p>Introducing vacancies has emerged as one of the valid strategies to modulate the photocatalytic performance of graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>). Introduction of nitrogen vacancies into g-C<sub>3</sub>N<sub>4</sub> can create defect energy levels and trap electrons, consequently accelerating the separation of e<sup>-</sup>/h<sup>+</sup> pairs and effectively boosting photocatalytic activity. Nitrogen vacancies can also serve as adsorption active sites, enhancing the adsorption capacity of the catalyst towards the target molecule (CO<sub>2</sub>). In this study, a series of g-C<sub>3</sub>N<sub>4</sub> with abundant nitrogen vacancies were prepared using a green and facile strategy using sodium bisulfite treatment. Successful introduction of nitrogen vacancies endows with the photocatalyst more active sites, optimizes the band structure, significantly boosts the separation of photoexcited carriers, thereby remarkably enhancing photocatalytic CO<sub>2</sub> and Cr(VI) reduction. On the 11CN photocatalyst (0.5 g g-C<sub>3</sub>N<sub>4</sub> was treated by 11 g sodium bisulfite), the generation rate of CO and CH<sub>4</sub> is 5.74 μmol·g<sup>-1</sup>·h<sup>-1</sup> and 1.30 μmol·g<sup>-1</sup>·h<sup>-1</sup>, respectively, which is 3.19 times and 8.29 times higher than those on the reference g-C<sub>3</sub>N<sub>4</sub> (CO: 1.37 μmol·g<sup>-1</sup>·h<sup>-1</sup>, CH<sub>4</sub>: 0.14 μmol·g<sup>-1</sup>·h<sup>-1</sup>). Under irradiation by three distinct monochromatic lights, the apparent quantum yield (AQY) of 11CN is also superior to that of the reference g-C<sub>3</sub>N<sub>4</sub>. Moreover, photocatalytic Cr(VI) reduction experiments were performed on the catalysts to demonstrate the universality of the catalysts The results show that the photocatalytic reduction rate constant of Cr(VI) by 11CN is 1.79 times higher than that over the reference g-C<sub>3</sub>N<sub>4</sub>. Stability of the catalyst was verified through cycling experiments, and the samples exhibit promising practical application prospect. The mechanism of photocatalytic CO<sub>2</sub> reduction and the transformation pathway of intermediate products were elucidated using in-situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). This study introduces a new strategy of introducing nitrogen vacancies into g-C<sub>3</sub>N<sub>4</sub>-based photocatalytic materials, providing an effective approach to enhance the photocatalytic activity of g-C<sub>3</sub>N<sub>4</sub> in photocatalytic CO<sub>2</sub> and Cr(VI) reduction.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"446-459"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779076","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
Construction of spontaneous built-in electric field on heterointerface furnishing continuous efficient adsorption-directional migration-conversion of polysulfides. 异质界面自发内嵌电场的构建提供了多硫化物连续高效的吸附-定向迁移-转化。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-11-29 DOI: 10.1016/j.jcis.2024.11.156
Junwei Xu, Shuai Wang, Haihui Zhou, Jiale Sun, Xuying Liu, Wei Feng, Tingting Guo, Yuancan Gao, Zhongyuan Huang
{"title":"Construction of spontaneous built-in electric field on heterointerface furnishing continuous efficient adsorption-directional migration-conversion of polysulfides.","authors":"Junwei Xu, Shuai Wang, Haihui Zhou, Jiale Sun, Xuying Liu, Wei Feng, Tingting Guo, Yuancan Gao, Zhongyuan Huang","doi":"10.1016/j.jcis.2024.11.156","DOIUrl":"10.1016/j.jcis.2024.11.156","url":null,"abstract":"<p><p>Integrating sulfur with efficient electrocatalysts remains a pressing need in lithium-sulfur (Li-S) batteries for modulating the sluggish conversion kinetics and restricting the shuttle behavior of lithium polysulfides (LiPSs). Herein, a compact p-type Fe<sub>3</sub>O<sub>4</sub> and n-type MoS<sub>2</sub> heterostructure embedded on nitrogen-doped porous carbon (Fe<sub>3</sub>O<sub>4</sub>-MoS<sub>2</sub>-NPC-0.5) is meticulously constructed as dual-functional hosts that can facilitate continuous catalytic conversion of LiPSs. The p-type Fe<sub>3</sub>O<sub>4</sub> exhibits a high affinity for polysulfides, while n-type MoS<sub>2</sub> enables effective catalysis of LiPSs. The successful migration of LiPSs from Fe<sub>3</sub>O<sub>4</sub> to MoS<sub>2</sub> is bridged due to a spontaneous built-in electric field (BIEF) at the p-n heterojunction interface. The synergistic effect prevents the passivation of adsorption sites on Fe<sub>3</sub>O<sub>4</sub> and enhances the efficient catalytic conversion capabilities of MoS<sub>2</sub>. Consequently, the battery with Fe<sub>3</sub>O<sub>4</sub>-MoS<sub>2</sub>-NPC-0.5/S exhibits a prominent initial capacity of 1120.6 mAh g<sup>-1</sup> at 2 C, maintains outstanding cyclability with a capacity attenuation rate of 0.045 % per cycle at 0.5 C, and high sulfur utilization at large sulfur loadings. This work offers insights into optimizing the performance-enhanced Li-S battery electrodes by the formation of a dynamic \"trapping-directional migration-conversion\" reaction.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"491-501"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783448","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
Electronic interactions between SnO2 crystals and porous N-doped carbon nanoflowers accelerate electrochemical reduction of CO2 to formate. SnO2晶体与多孔n掺杂碳纳米花之间的电子相互作用加速了CO2的电化学还原成甲酸。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-01 DOI: 10.1016/j.jcis.2024.11.249
Tongyang Shen, Yu Shen, Zheng Ma, Chunling Zhu, Feng Yan, Xinzhi Ma, Jia Xu, Yujin Chen
{"title":"Electronic interactions between SnO<sub>2</sub> crystals and porous N-doped carbon nanoflowers accelerate electrochemical reduction of CO<sub>2</sub> to formate.","authors":"Tongyang Shen, Yu Shen, Zheng Ma, Chunling Zhu, Feng Yan, Xinzhi Ma, Jia Xu, Yujin Chen","doi":"10.1016/j.jcis.2024.11.249","DOIUrl":"10.1016/j.jcis.2024.11.249","url":null,"abstract":"<p><p>The electrochemical carbon dioxide reduction reaction (CO<sub>2</sub>RR) to formic acid or formate is a highly effective approach for achieving carbon neutrality. However, multiple proton-coupling-electronic processes and the instability of the catalysts caused by surface poisoning greatly limit the overall efficiency of CO<sub>2</sub>RR to formate. Here, a facile method was developed to anchor ∼2.60 nm SnO<sub>2</sub> crystals onto porous N-doped carbon nanoflowers (SnO<sub>2</sub>@N-GPC) for high-efficiency formate production. The maximum Faraday efficiency (FE) of the SnO<sub>2</sub>@N-GPC reached 96.3 % at -1.2 V vs reversible hydrogen electrode (RHE) and was more than 80.0 % in the potential region from -1.0 to -1.5 V vs RHE with ten hours of operating stability. The experimental results and density functional theory (DFT) calculations demonstrated that the electronic interactions between SnO<sub>2</sub> and N-GPC precipitated by electron transfer from SnO<sub>2</sub> to N-GPC at the interface improved the phase stability of the SnO<sub>2</sub>@N-GPC, which improved its stability for the CO<sub>2</sub>RR. Furthermore, the electronic interactions enhanced the adsorption of CO<sub>2</sub> on the catalyst, accelerating the rate of the formation of key intermediates, and reducing the energy barrier of the rate-limiting step for generating formate. This study provides an efficient strategy for developing highly active and stable non-precious metal catalysts for the conversion of CO<sub>2</sub> to high-value chemicals.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"540-547"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783456","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
Dual-bioinspired Janus mesh membrane with controllable bubbles manipulation property for efficient water splitting and pure gas collection. 双生物启发Janus网膜,具有可控气泡操纵特性,高效水分解和纯气体收集。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-11-30 DOI: 10.1016/j.jcis.2024.11.218
Zhanyuan Cui, Yubing Shao, Jinghan Zhang, Zhecun Wang
{"title":"Dual-bioinspired Janus mesh membrane with controllable bubbles manipulation property for efficient water splitting and pure gas collection.","authors":"Zhanyuan Cui, Yubing Shao, Jinghan Zhang, Zhecun Wang","doi":"10.1016/j.jcis.2024.11.218","DOIUrl":"10.1016/j.jcis.2024.11.218","url":null,"abstract":"<p><p>Water splitting, as a promising clean energy source, has garnered significant attention owing to the escalating global energy crisis. However, prior research has largely focused on electrode materials rather than bubble manipulation, which plays a crucial role in the process. Although using the previously published \"Releasing strategy\" effectively eliminates micro-sized bubbles from the electrode material for efficient water splitting, the released tiny-sized bubbles pose challenges for controllable and pure collection. Herein, a new \"Managing strategy\", integrating the \"Transporting strategy\" for rapid directional bubble transport with the \"Collecting strategy\" for controllable bubble collection, aiming to develop smart integrated water-splitting devices for efficient continuous water splitting and pure gas collection. This advanced functional electrode, designed with a lotus leaf-inspired Janus wettability interface for timely directional bubble transport and a water-spider hair structure-inspired aerophilic surface for efficient bubble collection, enables pure, efficient, and continuous water splitting. It achieves this by releasing gas products of controllable larger sizes, collecting them at a faster rate, and reducing the probability of H<sub>2</sub>/O<sub>2</sub> collisions. Beyond enabling water splitting, this approach is also applicable to other gas-involving applications.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"629-642"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790800","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
Extending visual range of bacteria with upconversion nanoparticles and constructing NIR-responsive bio-microrobots. 利用上转化纳米颗粒扩展细菌的视觉范围及构建nir响应生物微型机器人。
IF 9.4 1区 化学
Journal of Colloid and Interface Science Pub Date : 2025-03-15 Epub Date: 2024-12-01 DOI: 10.1016/j.jcis.2024.11.225
Wei Xu, Zhen Liu, Jing Wang, Kai Jin, Lulu Yue, Lin Yu, Luqi Niu, Qingqing Dou, Jinliang Liu, Yuzhe Zhang, Xiaohui Zhu, Yihan Wu
{"title":"Extending visual range of bacteria with upconversion nanoparticles and constructing NIR-responsive bio-microrobots.","authors":"Wei Xu, Zhen Liu, Jing Wang, Kai Jin, Lulu Yue, Lin Yu, Luqi Niu, Qingqing Dou, Jinliang Liu, Yuzhe Zhang, Xiaohui Zhu, Yihan Wu","doi":"10.1016/j.jcis.2024.11.225","DOIUrl":"10.1016/j.jcis.2024.11.225","url":null,"abstract":"<p><p>The motility of bacteria is crucial for navigating competitive environments and is closely linked to physiological activities essential for their survival, such as biofilm development. Precise regulation of bacterial motility enhances our understanding of these complex processes. While optogenetic tools have been used to control and investigate bacterial motility, the excitation light in most existing systems are limited to the visible light spectrum. Here, we introduce a new type of bio-microrobot comprising genetically engineered E. coli cells and orthogonally emissive upconversion nanoparticles that can respond to both 980 nm and 808 nm NIR light. This system allows toggling of bacterial states between tumbling and swimming via simply alternating the NIR light between different wavelengths. It is believed that the use of NIR light with deeper tissue penetration suggests potential applications for these bio-microrobots in areas like targeted drug delivery.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"608-618"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790803","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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