Materials Horizons最新文献

{"title":"Innovative materials that behave like robots to combat plastic pollution.","authors":"Shafqat Ali, Muhammad Haris Khan, Zareen Zuhra, Jinfeng Wang","doi":"10.1039/d4mh01772b","DOIUrl":"https://doi.org/10.1039/d4mh01772b","url":null,"abstract":"<p><p>The growing plastic pollution crisis demands novel approaches, with innovative materials that mimic robotic behaviors emerging as a promising solution. This approach explores the development and application of smart materials that can autonomously engage in plastic waste removal, functioning like robots under various environmental conditions. We focus on materials activated by light, magnetic fields, chemical fuels, and ion exchange, which are designed to target and remove plastic waste efficiently. The key properties of these materials, such as self-activation, adaptability, and precision that enable them to function autonomously in waste management systems, are examined. The integration of these innovative materials offers significant advantages, including faster waste processing, reduced human exposure to hazardous waste, and enhanced sorting accuracy. Additionally, this review evaluates the environmental impact, scalability, and cost-effectiveness of these materials in comparison to traditional methods. Finally, the potential of these materials to play a central role in sustainable plastic waste management and contribute to a circular economy is discussed.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143717692","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":"A review on electrode materials of supercapacitors used in wearable bioelectronics and implantable biomedical applications.","authors":"Chandu V V Muralee Gopi, Salem Alzahmi, Venkatesha Narayanaswamy, K V G Raghavendra, Bashar Issa, Ihab M Obaidat","doi":"10.1039/d4mh01707b","DOIUrl":"https://doi.org/10.1039/d4mh01707b","url":null,"abstract":"<p><p>Supercapacitors, a class of electrochemical energy storage devices, offer a promising solution for powering wearable bioelectronics and implantable biomedical devices. Their high-power density, rapid charge-discharge capabilities, and long cycle life make them ideal for applications requiring quick bursts of energy and extended operation. To address the challenges of energy density, self-discharge, miniaturization, integration, and power consumption, researchers are exploring various strategies, including developing novel electrode materials, optimizing device architectures, and integrating advanced fabrication techniques. Metal oxides, carbon-based materials, MXenes, and their composites have emerged as promising electrode materials due to their high specific surface area, excellent conductivity, and biocompatibility. For wearable bioelectronics, supercapacitors can power a wide range of devices, including wearable sensors, smart textiles, and other devices that require intermittent or pulsed energy. In implantable biomedical devices, supercapacitors offer a reliable and safe power source for applications such as pacemakers, neural implants, and drug delivery systems. By addressing the challenges and capitalizing on emerging technologies, supercapacitors have the potential to revolutionize the field of bioelectronics and biomedical engineering, enabling the development of innovative devices that improve healthcare and quality of life.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143717687","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":"Dynamically crosslinked polyethylene-like materials with reversible self-reporting properties.","authors":"Alessandro Torri, Chiara Paravidino, Gabriele Giovanardi, Francesco Rispoli, Fabrizio Moroni, Alessandro Pedrini, Enrico Dalcanale, Alberto Fina, Roberta Pinalli","doi":"10.1039/d4mh01885k","DOIUrl":"https://doi.org/10.1039/d4mh01885k","url":null,"abstract":"<p><p>In alignment with circular economy principles, we have developed a reprocessable, self-reporting thermoset based on polyethylene. The self-reporting feature is achieved using a mechanophore as the crosslinking agent, which reversibly responds to applied stress while being quenched by thermal stimuli. This same heat trigger also facilitates the material's self-healing capability, ensuring efficient recovery and reusability. The chosen mechanophore is rhodamine, a widely recognized fluorescent dye known for its excellent stability, high absorption coefficient, and long-wavelength absorption and emission. For the covalent reversible bonds, we employ silylether exchange chemistry, as it enables the incorporation of crosslinker units without necessitating modifications to the polymer backbone.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143717688","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":"Differential intracellular influence of cancer cells and normal cells on magnetothermal properties and magnetic hyperthermal effects of magnetic nanoparticles.","authors":"Man Wang, Rui Sun, Huajian Chen, Toru Yoshitomi, Hiroaki Mamiya, Masaki Takeguchi, Naoki Kawazoe, Yingnan Yang, Guoping Chen","doi":"10.1039/d5mh00317b","DOIUrl":"https://doi.org/10.1039/d5mh00317b","url":null,"abstract":"<p><p>Magnetic hyperthermia using heat locally generated by magnetic nanoparticles (MNPs) under an alternating magnetic field (AMF) to ablate cancer cells has attracted enormous attention. The high accumulation of MNPs and slow heat dissipation generated in tumors are considered the dominant factors involved in magnetic hyperthermia. However, the influence of intracellular microenvironment on magnetic hyperthermia has been ignored. This study unveiled for the first time the critical role of intracellular microenvironment on magnetic hyperthermia. The intracellular microenvironments of cancer cells and normal cells showed different influence on the magnetothermal properties and magnetic hyperthermia effects of MNPs. The MNPs in cancer cells could generate higher temperatures and induce higher rates of apoptosis than those in normal cells. Compared with that of normal cells, the intracellular microenvironment of cancer cells was more conducive to Brownian relaxation and the dynamic magnetic response of internalized MNPs. The cancerous intracellular microenvironment had a discriminative effect on the magnetic hyperthermal effect of MNPs due to the low viscoelasticity of cancer cells, which was verified by the softening or stiffening of cells and simulation models created using viscous liquids or elastic hydrogels. These findings suggest that the intracellular microenvironment should be considered another critical factor of the magnetic hyperthermal effect of MNPs.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143707755","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":"Two-dimensional GaN/Si heterojunctions towards high-performance UV-B photodetectors.","authors":"Hongsheng Jiang, Haiyan Wang, Wenliang Wang, Guoqiang Li","doi":"10.1039/d4mh01899k","DOIUrl":"https://doi.org/10.1039/d4mh01899k","url":null,"abstract":"<p><p>Two-dimensional (2D) GaN with a tunable bandgap, high electron mobility, and high chemical and thermal stabilities is an ideal choice for high-performance UV-B photodetectors (PDs). However, the realization of 2D GaN based UV-B PDs faces the challenge of simultaneously achieving large-scale preparation and band engineering. In this work, novel UV-B PDs based on wafer-scale 2D GaN/Si heterojunctions have been proposed. Wafer-scale synthesis and band engineering of 2D GaN are realized <i>via</i> a two-step method consisting of magnetron sputtering and high temperature ammonolysis. With well-controlled thickness, the bandgap of 2D GaN is regulated to 3.6 and 4.1 eV. Impressively, novel UV-B PDs based on 2D GaN/Si heterojunctions exhibit a photoresponsivity of 2.2 A W^-1 at 308 nm at 1 V, and a fast response speed with a rise/decay time of 1.3/1.1 ms, simultaneously. This work provides a resolution for high-performance UV-B PDs through the controllable growth of 2D GaN, and the proposed synthesis strategy significantly broadens the application prospects of 2D GaN in the field of UV optoelectronics.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143707758","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":"A broadband polarization-sensitive photodetector and an infrared encoder based on high crystallinity 1D Bi₂(Se,S)₃ ternary nanowires.","authors":"Yu Zhang, Wenhao Fan, Weijie Bai, Wei Yan, Xinjian Liu, Yanxia Li, Mengyang Li, Jiayu Zhao, Jin Zhang, Shougen Yin, Hui Yan","doi":"10.1039/d5mh00033e","DOIUrl":"https://doi.org/10.1039/d5mh00033e","url":null,"abstract":"<p><p>The realization of multifunctionality and integration in one device is of great significance for the development of current information technologies. However, it often requires the design of heterojunctions or external conditions, which leads to complex fabrication processes and increased power consumption. Besides, the study and utilization of the special negative photoconductivity (NPC) effect is still in its early stage and remains limited. One-dimensional (1D) nanowires have great potential in the optoelectronic application field due to their unique chain structure, strong anisotropy, and possible NPC characteristics. Herein, an alloying strategy was proposed to synthesize 1D Bi₂(Se,S)₃ ternary nanowires with high crystallinity and uniformity <i>via</i> a chemical vapor deposition method. The photodetector based on a single Bi₂(Se,S)₃ nanowire shows broadband response (405-1550 nm), high responsivity (5.31 A W^-1), excellent specific detectivity (1.87 × 10¹¹ Jones) and fast response speed (0.43/0.47 ms). Furthermore, it exhibits strong polarization sensitivity with anisotropy ratios of 2.25 (638 nm), 1.76 (980 nm) and 1.54 (1550 nm), and achieves polarization-sensitive imaging capability. Notably, an infrared encoder was simulated based on the NPC effect under a 1550 nm laser which can be modulated effectively by laser power intensity for the first time. The NPC phenomenon is due to the photogenerated carriers which are trapped by recombination centers in the deep trap energy levels (<i>E</i>_trap) at lower power intensity. These findings provide a promising strategy for the study of the NPC phenomenon, and the development of high-performance multifunctional photodetection and communication encryption.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699054","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":"Scalable assembly of micron boron nitride into high-temperature-resistant insulating papers with superior thermal conductivity.","authors":"Meng-Xin Liu, Rui-Yu Ma, Zhi-Xing Wang, Zhuo-Yang Li, Gui-Lin Song, Jie Lin, Xin-Yuan Li, Ling Xu, Ding-Xiang Yan, Li-Chuan Jia, Zhong-Ming Li","doi":"10.1039/d4mh01897d","DOIUrl":"https://doi.org/10.1039/d4mh01897d","url":null,"abstract":"<p><p>With the rapid development of modern electrical equipment towards miniaturization, integration, and high power, high-temperature-resistant insulating papers with superior thermal conductivity are highly desirable for ensuring the reliability of high-end electrical equipment. However, it remains a challenge for current insulating papers to achieve this goal. Herein, we demonstrate the design of high-temperature-resistant micron boron nitride (m-BN) based insulating papers with superior thermal conductivity by a universal and scalable one-step assembly strategy. Inspired by the floating shape of jellyfish in the ocean, aramid nanofibers (ANF) resembling the tentacles of jellyfish were employed to support the bell-shaped m-BN, which effectively addresses the kinetically stable dispersion and film-forming ability of m-BN. The resultant m-BN@ANF papers exhibit excellent high-temperature-resistant insulating performance with an ultra-high breakdown strength of 359.0 kV mm^-1 even at a high temperature of 200 °C, far exceeding those of these previously reported systems. In addition, the optimal m-BN@ANF paper demonstrates a superior thermal conductivity of 26.4 W m^-1 K^-1 and an excellent thermostability with an initial decomposition temperature of 486 °C. This outstanding comprehensive performance demonstrates the promise of applying these m-BN@ANF papers in advanced electrical systems operating under high-temperature circumstances.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699057","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":"Sprayed hyaluronic acid based multidrug composite hydrogel for postoperative colorectal cancer ultra-efficient long-lasting multi-stage immuno-chemo synergistic therapy.","authors":"Ya Wang, Xiaojiang Zhang, Yujie Zhang, Feiyu Shi, Siyuan Du, Zhe Zhang, Chenyu Zhao, Siyuan Luo, Pengqian Wang, Daocheng Wu, Junjun She","doi":"10.1039/d5mh00108k","DOIUrl":"https://doi.org/10.1039/d5mh00108k","url":null,"abstract":"<p><p>To enhance the therapeutic efficacy of postoperative colorectal cancer treatment and prevent peritoneal metastasis, we propose a strategy utilizing the photothermal-induced ultra-efficient and long-lasting multi-stage immuno-chemo synergistic therapy. To implement this strategy, oxaliplatin (OXA), curcumin (Cur), and Mn²⁺ were coordinated to form infinite coordination polymer nanoparticles (OXA-Mn(II)-Cur ICP NPs). These nanoparticles are encapsulated with polydopamine (PDA) to create OXA-Mn(II)-Cur ICP@PDA NPs, which are subsequently embedded in a sprayable hyaluronic acid-based hydrogel. The resulting ICP@PDA NPs@composite hydrogel exhibits strong tissue adhesion and segmented pH-responsive drug release properties. Notably, the hydrogel can sustainably release drugs for over 20 days <i>in vivo</i>, maximizing local drug concentration while minimizing systemic toxic side effects. Each component of the composite hydrogel serves multiple functions, and its application to postoperative tumor sites enables long-term, dual-pathway, multi-stage immune activation. This immune response synergizes with chemotherapy to achieve a highly effective therapeutic outcome. <i>In vivo</i> experiments demonstrated that the composite hydrogel effectively eliminates residual tumors, ensuring a 100% survival rate without recurrence for 80 days in treated mice. Furthermore, it inhibits peritoneal metastasis and completely eradicates intraperitoneal tumors within 20 days. The ICP@PDA NPs@composite hydrogel represents a promising therapeutic platform for postoperative colorectal cancer treatment and metastasis prevention.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699069","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":"Structuring 3D-printed polypropylene composites with vertically aligned mesophase pitch-based carbon fibers for enhanced through-plane thermal conductivity and mechanical properties.","authors":"Bowen Fang, Yan Wang, Hongjia Fan, Yumei Gong, Jing Guo, Zhiguo Wang, Jiazhuang Xu, Shengfa Wang","doi":"10.1039/d4mh01521e","DOIUrl":"https://doi.org/10.1039/d4mh01521e","url":null,"abstract":"<p><p>Vertically aligned structures in thermally conductive polymer-based composites (TPMCs) present an efficient tool for managing heat dissipation in battery packs and the central processing unit (CPU). Although there is significant progress in developing vertically aligned structures for thermal management using two-dimensional thermally conductive fillers (<i>e.g.</i>, boron nitride and graphene) in TPMCs, their practical applications are limited by the compromised mechanical properties. In this study, carbon fiber (CF) reinforced polypropylene (PP) composites with vertically aligned structures were successfully fabricated using 3D printing. The CFs exhibited exceptional alignment along the printing direction in the PP matrix, attributed to the shear and compression effect during printing. Additionally, the incorporation of CFs and the use of a hot-pressed PP substrate instead of the original platform effectively mitigated shrinkage and warping of PP. The vertically printed samples achieved a superior through-plane thermal conductivity (TC) of 3.61 W m^-1 K^-1 at 21 vol% CF loading, representing an improvement of 5.56 and 15.41 times over that of horizontally printed parts and neat PP, respectively. Meanwhile, the as-printed vertically aligned parts also demonstrate excellent tensile strength (40.16 MPa) and impact strength (28.17 kJ m^-2), which are around 1.70 and 11.45 times that of horizontally printed parts. Notably, the surface temperature of the vertically printed heat sink was comparable to commercial parts, underscoring the superior thermal dissipation performance of the composite material. Simulations verified the anisotropic design's effectiveness in enhancing thermal conductivity. This work provides a facile and cost-effective method to simultaneously enhance through-plane TC and mechanical properties, with promising application in electronic packaging and battery thermal management.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699070","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":"Ultra-high thermally conductive graphite microplatelet/aramid nanofiber composites with reduced interfacial thermal resistances by engineered interface π-π interactions.","authors":"Yu-Yang Song, Niu Jiang, Shuang-Zhu Li, Lu-Ning Wang, Lu Bai, Jie Yang, Wei Yang","doi":"10.1039/d5mh00070j","DOIUrl":"https://doi.org/10.1039/d5mh00070j","url":null,"abstract":"<p><p>Polymer-based thermally conductive composites with ultrahigh in-plane thermal conductivity are ideal candidates for heat dissipation applications in electronics. However, the complex interfaces between the functional filler and polymer matrix limit the significant increase in thermal conductivity of the polymer composites. In this study, we developed a one-pot strategy to prepare highly thermally conductive composite films of freeze-expansion large-size graphite microplatelets (F-GMPs) and aramid nanofibers (ANFs) with π-π interactions. The obtained F-GMP/ANF nanocomposite films present salient in-plane thermal conductivity, considerable flexibility, and outstanding long-term stability. The π-π interactions between the F-GMPs and ANFs promote the freeze-expansion exfoliation of graphite, yielding stable F-GMP/ANF precursor pastes with high-quality graphite platelets. Moreover, the π-π interactions improve the filler-matrix interfacial compatibility and reduce the interfacial thermal resistance, while the large-size F-GMP particles are directly lapped to construct a thermal transfer pathway with a reduction in the filler-filler interfacial thermal resistance. Consequently, the F-GMP/ANF composite films with 30 wt% F-GMPs exhibit unprecedentedly high in-plane thermal conductivity (56.89 W m^-1 K^-1) and corresponding thermal conductivity enhancement efficiency, presenting great application potential for the effective thermal management of highly integrated electronics.</p>","PeriodicalId":87,"journal":{"name":"Materials Horizons","volume":" ","pages":""},"PeriodicalIF":12.2,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690375","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}