Materials Horizons最新文献

{"title":"Photocatalytic membranes based on Cu-NH₂-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production.","authors":"Emilia Gontarek-Castro, Anna Pancielejko, Mateusz Adam Baluk, Malwina Kroczewska-Gnatowska, Przemysław Gnatowski, Krzysztof Matus, Justyna Łuczak, Adriana Zaleska-Medynska","doi":"10.1039/d4mh01397b","DOIUrl":"https://doi.org/10.1039/d4mh01397b","url":null,"abstract":"<p><p>A porous, photocatalytically active, and water-stable composite membrane has been developed based on Cu-NH₂-MIL-125(Ti), a titanium-based metal-organic framework (MOF) and PVDF polymeric matrix. To tune the structural and functional properties of the PVDF/MOF composites, the loading degree of the MOF within the polymer was systematically varied. The most effective performance of the composite material was achieved with a 10% wt/wt loading of MOF into the PVDF matrix. Analysis of the photoactivity under UV-vis revealed that increasing the MOF content from 1 to 10% led to an improvement in the H₂ production rate from 86.0 to 389.1 μmol h^-1 m^-2 and from 55.5 to 466.0 μmol h^-1 m^-2 for water-based and AcN-based electrolytes, respectively. Furthermore, the stability of the MOF is significantly improved when incorporated into the PVDF matrix, maintaining its structural integrity even after 20 h of the photoprocess. The SEM images and EDX mapping successfully validate the presence of the MOF within the PVDF matrix following the photoprocess. The study outlines the experimental procedures for synthesizing Cu-NH₂-MIL-125(Ti), preparing PVDF composites, and details on the photocatalytic experiments. The practical application of our approach can be further expanded to enhance the photocatalytic performance of PVDF-protected unstable MOFs.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial intelligence guided search for van der Waals materials with high optical anisotropy.","authors":"Liudmila A Bereznikova, Ivan A Kruglov, Georgy A Ermolaev, Ivan Trofimov, Congwei Xie, Arslan Mazitov, Gleb Tselikov, Anton Minnekhanov, Alexey P Tsapenko, Maxim Povolotsky, Davit A Ghazaryan, Aleksey V Arsenin, Valentyn S Volkov, Kostya S Novoselov","doi":"10.1039/d4mh01332h","DOIUrl":"https://doi.org/10.1039/d4mh01332h","url":null,"abstract":"<p><p>The exploration of van der Waals (vdW) materials, renowned for their unique optical properties, is pivotal for advanced photonics. These materials exhibit exceptional optical anisotropy, both in-plane and out-of-plane, making them an ideal platform for novel photonic applications. However, the manual search for vdW materials with giant optical anisotropy is a labor-intensive process unsuitable for the fast screening of materials with unique properties. Here, we leverage geometrical and machine learning (ML) approaches to streamline this search, employing deep learning architectures, including the recently developed Atomistic Line Graph Neural Network. Within the geometrical approach, we clustered vdW materials based on in-plane and out-of-plane birefringence values and correlated optical anisotropy with crystallographic parameters. The more accurate ML model demonstrates high predictive capability, validated through density functional theory and ellipsometry measurements. Experimental verification with 2H-MoTe₂ and CdPS₃ confirms the theoretical predictions, underscoring the potential of ML in discovering and optimizing vdW materials with unprecedented optical performance.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Precise manipulation of iron spin states in single-atom catalytic membranes for singlet oxygen selective production.","authors":"Na Lu, Yanle Li, Jianqiang Wang, Guiliang Li, Guowei Li, Fu Liu, Chuyang Y Tang","doi":"10.1039/d4mh01479k","DOIUrl":"https://doi.org/10.1039/d4mh01479k","url":null,"abstract":"<p><p>Heterogeneous single-atom catalysts are attracting substantial attention for selectively generating singlet oxygen (¹O₂). However, precise manipulation of atom coordination structures remains challenging. Here, the fine coordination structure of iron single-atom carbon-nitride catalysts (Fe-CNs) was manipulated by precisely tuning the heating rate with 1 °C min^-1 difference. Multiple techniques in combination with density functional theory (DFT) calculations reveal that FeN₆ coordination sites with high Fe spin states promote the adsorption, electron transfer, and dissociation of peroxymonosulfate (PMS), resulting in nearly 100% selection of ¹O₂ generation. A lamellar single atom catalytic membrane is constructed, exhibiting high permeance, high degradation, high-salinity resistance and sustained operation stability. This work provides ideas for regulating spin states of the metal site to fabricate catalysts with selective ¹O₂ generation for membrane separation and environment catalysis applications.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An iodine-driven muscle-mimicking self-resetting bilayer hydrogel actuator.","authors":"Kangle Guo, Hao Sun, Mengmeng Nan, Tiedong Sun, Guangtong Wang, Shaoqin Liu","doi":"10.1039/d4mh01545b","DOIUrl":"https://doi.org/10.1039/d4mh01545b","url":null,"abstract":"<p><p>Hydrogels that can swell and deswell under the influence of opposing external stimuli have frequently been reported as muscle-mimicking materials. However, the mechanism of such materials is markedly dissimilar to that of natural muscles. Natural muscles contract when fueled by ATP and spontaneously relax once ATP is completely consumed. The subtlety of this \"self-resetting\" mechanism is avoiding the equivalent opposite modulation to reset the size and shape of the muscle, which may easily result in the cumulation of action error after several repeating cycles. In this article, we fabricate a bilayer hydrogel actuator with the aid of the I₂-responsiveness of poly(ethylene glycol)-based hydrogel. When this actuator is coupled with a reaction network containing NaIO₃, NaI, and CS(NH₂)₂, which generates I₂ as an intermediate product, it will temporarily deform and recover spontaneously with the consumption of I₂. Such an actuator is highly similar to natural muscles in terms of the actuation mechanism. Several biomimicking functions were achieved by this actuator.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From materials to applications: a review of research on artificial olfactory memory.","authors":"Liangchao Guo, Haoran Han, Chunyu Du, Xin Ji, Min Dai, Sergi Dosta, Ye Zhou, Chao Zhang","doi":"10.1039/d4mh01348d","DOIUrl":"https://doi.org/10.1039/d4mh01348d","url":null,"abstract":"<p><p>Olfactory memory forms the basis for biological perception and environmental adaptation. Advancing artificial intelligence to replicate this biological perception as artificial olfactory memory is essential. The widespread use of various robotic systems, intelligent wearable devices, and artificial olfactory memories modeled after biological olfactory memory is anticipated. This review paper highlights current developments in the design and application of artificial olfactory memory, using examples from materials science, gas sensing, and storage systems. These innovations in gas sensing and neuromorphic technology represent the cutting edge of the field. They provide a robust scientific foundation for the study of intelligent bionic devices and the development of hardware architectures for artificial intelligence. Artificial olfaction will pave the way for future advancements in intelligent recognition by progressively enhancing the level of integration, understanding of mechanisms, and application techniques of machine learning algorithms.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interfacial chemistry at solid-liquid van der Waals heterojunctions enabling sub-5 nm Ohmic contacts for monolayer semiconductors.","authors":"Dexing Liu, Shengdong Zhang, Min Zhang","doi":"10.1039/d4mh01284d","DOIUrl":"https://doi.org/10.1039/d4mh01284d","url":null,"abstract":"<p><p>The decoupling of electronic states between metals and semiconductors through controlled construction of artificial van der Waals (vdW) heterojunctions enables tailored Schottky barriers. However, the interfacial chemistry, especially involving solid-liquid interfaces, remains unexplored. Here, first principles calculations reveal unexpected strong Fermi-level pinning in various metal/MoS₂ vdW heterojunctions with intercalated ice-like water bilayers. The polarization orientation of water in contact with metals of different work functions varies significantly, while the effective work function of the metals consistently decreases. Aluminum and scandium exhibit significant interfacial dipoles associated with hydrogen-bonding interactions when contacting MoS₂ with intercalated water, leading to heavily doped n-type Ohmic contacts. The contact length of a monolayer MoS₂ transistor with aluminum/intercalated-water (or hydroxyl) contacts can be scaled down to sub-5 nm due to a significant reduction in contact resistance, facilitated by strong interfacial charge transfer and hydrogen-bonding-enhanced resonant tunneling effects. This demonstrates a promising approach to regulating the contact properties <i>via</i> interfacial chemistry.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"DNA nanotechnology-based strategies for minimising hybridisation-dependent off-target effects in oligonucleotide therapies.","authors":"Xiaoyu Li, Huanhuan Hu, Hailong Wang, Jia Liu, Wenting Jiang, Feng Zhou, Jiantao Zhang","doi":"10.1039/d4mh01158a","DOIUrl":"https://doi.org/10.1039/d4mh01158a","url":null,"abstract":"<p><p>Targeted therapy has emerged as a transformative breakthrough in modern medicine. Oligonucleotide drugs, such as antisense oligonucleotides (ASOs) and small interfering RNAs (siRNAs), have made significant advancements in targeted therapy. Other oligonucleotide-based therapeutics like clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated protein (Cas) systems are also leading a revolution in targeted gene therapy. However, hybridisation-dependent off-target effects, arising from imperfect base pairing, remain a significant and growing concern for the clinical translation of oligonucleotide-based therapeutics. These mismatches in base pairing can lead to unintended steric blocking or cleavage events in non-pathological genes, affecting the efficacy and safety of the oligonucleotide drugs. In this review, we examine recent developments in oligonucleotide-based targeted therapeutics, explore the factors influencing sequence-dependent targeting specificity, and discuss the current approaches employed to reduce the off-target side effects. The existing strategies, such as chemical modifications and oligonucleotide length optimisation, often require a trade-off between specificity and binding affinity. To further address the challenge of hybridisation-dependent off-target effects, we discuss DNA nanotechnology-based strategies that leverage the collaborative effects of nucleic acid assembly in the design of oligonucleotide-based therapies. In DNA nanotechnology, collaborative effects refer to the cooperative interactions between individual strands or nanostructures, where multiple bindings result in more stable and specific hybridisation behaviour. By requiring multiple complementary interactions to occur simultaneously, the likelihood of unintended partially complementary binding events in nucleic acid hybridisation should be reduced. And thus, with the aid of collaborative effects, DNA nanotechnology has great promise in achieving both high binding affinity and high specificity to minimise the hybridisation-dependent off-target effects of oligonucleotide-based therapeutics.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vector substrate design for grain boundary engineering: boosting oxygen evolution reaction performance in LaNiO₃.","authors":"Huan Liu, Yue Han, Jinrui Guo, Wenqi Gao, Jiaqing Wang, Bin He, Zhihong Wang, Weiming Lü","doi":"10.1039/d4mh01565g","DOIUrl":"https://doi.org/10.1039/d4mh01565g","url":null,"abstract":"<p><p>The realization and subsequent control of emerging structural and electronic phases in solid materials has significantly enhanced their functionalities, thereby benefiting both fundamental research and practical applications. The grain boundary (GB), as a transitional region within the crystal lattice, exhibits atomic shifts and distinct energy profiles. These unique characteristics offer a promising avenue for the discovery of advanced active catalytic phases for carbon, oxygen, hydrogen, and nitrogen evolution/reduction reactions. However, the challenge lies in isolating and controlling the quantity of grain boundaries in conventional catalysts, which hinders the identification of their functional attributes. In this study, we successfully engineered the (001)/(110), (001)/(111), and (110)/(111) GBs in LaNiO₃ (LNO) using a vector substrate design approach. Subsequent evaluation of these GBs in the oxygen evolution reaction (OER) revealed that LNO (110)/(111) exhibited the fastest surface reconstruction into Ni oxyhydroxide and the most superior OER performance, achieving 2.36 mA cm^-2 at <i>η</i> = 400 mV. This outstanding performance is attributed to its strongest Ni-O covalency and the proximity of the O 2p-band center to the Fermi level. This research aims to address the challenges associated with isolating and controlling GBs for optimized OER performance, while also providing comprehensive insights into the relationship between GBs and surface reconstruction behaviors.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Flexible silicon for high-performance photovoltaics, photodetectors and bio-interfaced electronics.","authors":"Shuyi Wang, Xiaopan Song, Jun Xu, Junzhuan Wang, Linwei Yu","doi":"10.1039/d4mh01466a","DOIUrl":"https://doi.org/10.1039/d4mh01466a","url":null,"abstract":"<p><p>Silicon (Si) is currently the most mature and reliable semiconductor material in the industry, playing a pivotal role in the development of modern microelectronics, renewable energy, and bio-electronic technologies. In recent years, widespread research attention has been devoted to the development of advanced flexible electronics, photovoltaics, and bio-interfaced sensors/detectors, boosting their emerging applications in distributed energy sources, healthcare, environmental monitoring, and brain-computer interfaces (BCIs). Despite the rigid and brittle nature of Si, a series of new fabrication technologies and integration strategies have been developed to enable a wide range of c-Si-based high-performance flexible photovoltaics and electronics, which were previously only achievable with intrinsically soft organic and polymer semiconductors. More interestingly, programmable geometric engineering of crystalline silicon (c-Si) units and logic circuits has been explored to enable the fabrication of various highly flexible nanoprobes for intracellular sensing and the deployment of soft BCI matrices to record and understand brain neural activities for the development of advanced neuroprosthetics. This review will systematically examine the latest progress in the fabrication of Si-based flexible solar cells, photodetectors, and biological probing interfaces over the past decade, identifying key design principles, mechanisms, and technological milestones achieved through novel geometry, morphology, and composition control. These advancements, when combined, will not only promote the practical applications of sustainable energy and wearable electronics but also spur new breakthroughs in emerging human-machine interfaces (HMIs) and artificial intelligence applications, which hold significant implications for understanding neural activities, implementing more efficient artificial Intelligence (AI) algorithms, and developing new therapies or treatments. Finally, we will summarize and provide an outlook on the current challenges and future opportunities of Si-based electronics, flexible optoelectronics, and bio-sensing.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142833118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High strength, self-activating ability and fast adhesion of polyurethane adhesives based on rosin structure in different environments.","authors":"Rui Yang, Li Tan, Zheng Pan, Linfeng Tian, Tianchen Zhang, Baozheng Zhao, Fei Song, Yonghong Zhou, Meng Zhang","doi":"10.1039/d4mh01292e","DOIUrl":"https://doi.org/10.1039/d4mh01292e","url":null,"abstract":"<p><p>Underwater adhesives hold significant relevance in daily life and applications. Despite great efforts, the development of high-performance underwater adhesives through a simple and effective method remains a difficult challenge. Herein, a high adhesion and environmentally stable polyurethane underwater adhesive (DAP-PU) was developed based on rosin with a hydrogenated phenanthrene ring skeleton to design hydrophobic domains, and combined with multi-strength hydrogen bonding interactions to construct \"polar hydrophobic domains\". DAP-PU exhibits a strong underwater bonding and adhesion performance on various substrates (steel, aluminum, PMMA and glass) in harsh aqueous conditions (1 M NaCl, pH 5 and seawater), with the highest peel and shear strengths on stainless steel substrates reaching 12.88 N cm^-1 and 1.7 MPa, respectively. In addition, DAP-PU can be used in various fields such as underwater sand consolidation, underwater sealing and repair.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142833122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}