Nano ResearchPub Date : 2025-12-01DOI: 10.26599/nr.2026.94908383
Xinyu Xie, Yufeng Wu, Yunzhi Li, Anqi Li, Jiaoyang Gong, Chang Li, Zhuting Zhang, Hsiang-Shun Chang, Yan Feng, Tanyi Wang, Peng Du, Hehe Wei, Jianchun Xu, Yunjian Guo, Kai Huang, Ming Lei, Ke Bi, Hui Wu
{"title":"Tunable microwave absorption driven by electrochemically air-breathing","authors":"Xinyu Xie, Yufeng Wu, Yunzhi Li, Anqi Li, Jiaoyang Gong, Chang Li, Zhuting Zhang, Hsiang-Shun Chang, Yan Feng, Tanyi Wang, Peng Du, Hehe Wei, Jianchun Xu, Yunjian Guo, Kai Huang, Ming Lei, Ke Bi, Hui Wu","doi":"10.26599/nr.2026.94908383","DOIUrl":"https://doi.org/10.26599/nr.2026.94908383","url":null,"abstract":"With the rapid development of information technology, electromagnetic protection and compatibility issues have an indispensable role in daily life, social development and military applications of national defense. However, the current electromagnetic absorption materials are limited in that they can only offer a fixed level of absorption loss, making them challenging to adapt to complex application environments. This study integrates electrochemical devices with conventional multilayer wave-absorbing structures, leveraging multilayer interfacial coupling effects and dynamic impedance matching during device operation to achieve tunable wave-absorption performance. The system demonstrates a maximum modulation efficiency of 15 dB while retaining its regulatory capability after 200 bending cycles. By incorporating zinc-air battery modules into multilayer wave-absorbing materials, this work overcomes the limitations of traditional tunable absorbers that rely on mechanical deformation or thermally induced phase transitions for performance modulation. The proposed design not only simplifies modulation mechanisms but also significantly reduces energy consumption during absorption adjustment and enhances response speed, offering a novel paradigm for tunable wave-absorbing materials.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciopen.com/local/article_pdf/10.26599/NR.2026.94908383.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147883617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nano ResearchPub Date : 2025-12-01DOI: 10.26599/nr.2026.94908384
Song Yang, Chenxi Qin, Zhencai Xing, Ming Zhang, Yanfei Ma, Feng Zhou, Weimin Liu
{"title":"Super-lubricating hydrogel enabled by microgel rolling and gradient porous structures","authors":"Song Yang, Chenxi Qin, Zhencai Xing, Ming Zhang, Yanfei Ma, Feng Zhou, Weimin Liu","doi":"10.26599/nr.2026.94908384","DOIUrl":"https://doi.org/10.26599/nr.2026.94908384","url":null,"abstract":"Hydrogels, with their tissue-like properties, biocompatibility, and soft properties, are potential biomimetic cartilage replacement materials. However, the conflict between their surface lubricity and load-bearing properties significantly limits their application. Here, we developed a structure-based hydrogel with super-lubricity and high load-bearing properties. Through UV-controlled dissociation, a gradient hydrogel surface was constructed. This structure effectively dissipates normal contact stress while maintaining a high surface hydration level, enhancing load-bearing capacity. Furthermore, micron-sized spherical gel particles were prepared using an emulsion method and incorporated into the highly hydrated polymer network, further enhancing the load-bearing capacity of the porous hydrogel and significantly reducing the coefficient of friction (COF) by converting sliding friction into rolling friction. Ultimately, through multiple synergistic effects, we achieved ultra-low friction performance, with a COF of approximately 0.0064 after 20,000 cycles under a 5 N load. This innovation provides an alternative solution for future biomimetic articular cartilage.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciopen.com/local/article_pdf/10.26599/NR.2026.94908384.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147907656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Inhalable nanoaerosols target the activation of HSP70 to regulate macrophage reprogramming for the treatment of bacterial pneumonia","authors":"Miao Hu, Xin Ding, Shuang Cai, Ze-Wei Feng, Xin Li, Xiaohuan Huang, Qian Yu, Yanjun Hu","doi":"10.26599/nr.2025.94908286","DOIUrl":"https://doi.org/10.26599/nr.2025.94908286","url":null,"abstract":"This study addresses the intractable “infection-inflammation-injury” vicious cycle in MRSA pneumonia therapy. We have designed a glycosylated mesoporous polydopamine nanoaerosols (MPDA/B@M), which achieves effective treatment of MRSA infected pneumonia through multi mechanism synergistic effects. The aerosol encapsulates bufalin, an active component of traditional Chinese medicine, within MPDA carriers. Surface modification with mannose enables macrophage-targeted delivery. Upon inhalation, the aerosol accumulates efficiently in pulmonary lesions, directly killing pathogens via photothermal effects while releasing bufalin to suppress inflammation. Furthermore, MPDA/B@M scavenges excess ROS and upregulates heat shock protein 70 (HSP70) expression, providing dual cell-protective and anti-inflammatory effects. <em>In vitro</em> and <em>in vivo</em> studies demonstrate that MPDA/B@M nanoaerosols achieves 98.2% antibacterial efficacy against MRSA. In MRSA-infected murine pneumonia models, it significantly reduces pulmonary bacterial loads and reprograms macrophage phenotypes to modulate inflammatory responses. This integrated strategy synergizes targeted delivery, antibacterial action, oxidative stress modulation, and anti-inflammatory effects, offering an innovative solution for drug-resistant bacterial pneumonia.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 1","pages":"94908286-94908286"},"PeriodicalIF":0.0,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147890618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Gallic acid/copper ion-based metal-phenolic networks as photothermal-enhanced nanocatalysts for cancer therapy","authors":"Xiangyun Tan, Xueting Luo, Junjie Hu, Jiawei Liu, Xinyu Huang, Chen Liang, Ming Yuan, Cong Zhang, Yi Liu, Ziqiang Xu, Zhenpeng Qiu","doi":"10.26599/nr.2025.94908285","DOIUrl":"https://doi.org/10.26599/nr.2025.94908285","url":null,"abstract":"Tumor microenvironment-responsive nanocatalysts enhance reactive oxygen species (ROS) accumulation by compromising tumor antioxidant defenses, offering a promising cancer treatment strategy. Leveraging the catalytic potential of metal-phenolic networks (MPNs), this study constructed GA-Cu MPNs as multifunctional carriers. Since endogenous catalase (CAT) limits hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) accumulation, the CAT inhibitor 3-amino-1,2,4-triazole was encapsulated within the MPNs to form GA-Cu-AT, which was further modified with hyaluronic acid to produce GA-Cu-AT@HA. GA-Cu-AT@HA converts superoxide anions to H<sub>2</sub>O<sub>2</sub>, which is further transformed into toxic hydroxyl radicals through peroxidase-like activity, while inhibits endogenous CAT to amplify oxidative stress. Under 808 nm NIR light, it exhibits photothermal activity, enabling synergistic photothermal-catalytic effects. <em>In vitro</em>, it induces ROS accumulation, mitochondrial damage, apoptosis, and immunogenic cell death (ICD). In in situ hepatocellular carcinoma, GA-Cu-AT@HA effectively suppresses tumor growth, induces apoptosis, and enhances damage-associated molecular patterns release <em>via</em> targeted accumulation. In 4T1 breast cancer xenografts, photothermal therapy enhances the infiltration of CD8⁺ T cells into tumors, promotes dendritic cell maturation, and elicits systemic CD8⁺ T cell responses, and reduces regulatory T cells. This tripartite strategy, encompassing oxidative cytotoxicity, ICD activation, and immune microenvironment remodeling, offers a novel approach for tumor redox regulation therapy.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 1","pages":"94908285-94908285"},"PeriodicalIF":0.0,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147883148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A neural network-inspired electric field mediated by piezoelectric nanoparticles repolarizes macrophages to potentiate anticancer immunotherapy","authors":"Fuyu Qi, Xiaohong Li, Qi Hu, Ruizhu Zheng, Hao Wang, Maoxu Zhang, Xuebin Hu, Zhijun Shi, Guang Yang","doi":"10.26599/nr.2025.94908277","DOIUrl":"https://doi.org/10.26599/nr.2025.94908277","url":null,"abstract":"Repolarizing tumor-associated macrophages (TAMs) toward the proinflammatory M1 phenotype represents a promising strategy to reverse the immunosuppressive tumor microenvironment (TME) and enhance antitumor immunotherapy. Recent studies have demonstrated that exogenous electrical stimulation can effectively repolarize TAMs toward the M1 phenotype. However, conventional electrical stimulation methods, relying on invasive implanted electrodes, are restricted to targeting localized tumor regions and pose inherent risks to patients. Notably, biological neural networks, distributed systems of interconnected neurons, can naturally permeate tissues and orchestrate cellular activities with high spatial efficiency. Inspired by this natural system, we developed a global <em>in situ</em> electric field network using piezoelectric BaTiO<sub>3</sub> nanoparticles. Upon ultrasound stimulation, the nanoparticles generate a wireless electric field throughout the TME. In addtion, their nanoscale size enables them to function as synthetic “neurons”, allowing for uniform penetration throughout the tumor tissue and inducing significant repolarization of TAMs via the Ca<sup>2+</sup> influx-activated NF-κB signaling pathway. The repolarized M1 TAMs restore anti-tumor immunostimulatory functions and secrete key proinflammatory cytokines (e.g., TNF-α and IL-1β), which enhance immunostimulation within the TME and directly contribute to tumor cell elimination. Remarkably, this strategy achieved robust <em>in vivo</em> tumor growth inhibition with excellent biosafety in a 4T1 breast tumor model. Overall, this work establishes a non-invasive, wireless electric field platform capable of globally repolarizing TAMs, offering a safe and efficient strategy to advance cancer immunotherapy and accelerate the clinical translation of bioelectronic therapies.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 1","pages":"94908277-94908277"},"PeriodicalIF":0.0,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147911975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nano ResearchPub Date : 2025-11-25DOI: 10.26599/nr.2025.94908276
Hui Feng, Yang Nie, Haijun Wang, Lixin Cao, Yubin Hu, Bohua Dong
{"title":"Optimizing sulfur-containing species adsorption and desorption energetics via crystalline/amorphous heterointerface for efficient and stable sulfide oxidation-assisted seawater electrolysis","authors":"Hui Feng, Yang Nie, Haijun Wang, Lixin Cao, Yubin Hu, Bohua Dong","doi":"10.26599/nr.2025.94908276","DOIUrl":"https://doi.org/10.26599/nr.2025.94908276","url":null,"abstract":"Direct seawater electrolysis offers a promising approach for large-scale hydrogen production, but it is challenged by harmful chlorine chemistry and high energy costs. Sulfur oxidation reaction (SOR) as an alternative to the slow oxygen evolution reaction (OER) is a low-energy-consuming seawater hydrogen production technology that can simultaneously degrade industrial sulfur-containing wastewater. However, the limited availability of efficient and stable catalysts has hindered its development. In this work, a chlorine-free seawater splitting coupled with a crystalline/amorphous strategy to promote electrocatalytic SOR for energy-efficient hydrogen production is reported. We propose a bifunctional amorphous FeNi<sub>2</sub>P nanosheet embedded with crystalline nanoparticles (c/a-FeNi<sub>2</sub>P) electrocatalyst, which exhibits excellent SOR and hydrogen evolution reaction (HER) performance. In situ Raman spectroscopy and density functional theory calculations reveal that the unique crystalline/amorphous strategy optimizes the adsorption of sulfide and polysulfide ions and the efficient desorption of S<sub>8</sub>, thereby enhancing catalytic activity and stability. c/a-FeNi<sub>2</sub>P enables efficient SOR-assisted seawater electrolysis. In the SOR-HER system, c/a-FeNi<sub>2</sub>P demonstrates an ultralow voltage of 0.548 V at 100 mA cm<sup>-2</sup> and stable operation for 200 h at 170 mA cm<sup>-2</sup>, showcasing remarkable durability. This hybrid seawater electrolyzer provides a promising method for hydrogen production from seawater electrolysis, demonstrating great potential for energy conservation and environmental remediation.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 3","pages":"94908276-94908276"},"PeriodicalIF":0.0,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147905073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synergistic “melee attack”: Interfacial band-engineered lamellar heterojunction overcome membrane barriers for enhanced antibacterial therapy","authors":"Ping Zhang, Xueling Chang, Chenxi Dai, Zixuan Wang, Yuecong Guo, Shuhan Zhang, Ziwei Chen, Yong Guan, Zheng Dang, Chengcheng Lin, Peng Chen, Dongsheng Zhou, Yurui Gao, Chunying Chen, Yanyan Cui, Yaling Wang","doi":"10.26599/nr.2025.94908265","DOIUrl":"https://doi.org/10.26599/nr.2025.94908265","url":null,"abstract":"Drug-resistant bacteria, using their dense cell membranes as strong barrier, significantly reduce the efficacy of conventional antibacterial treatments. Phototriggered 2D catalytic nanomaterials have emerged as promising candidates against drug-resistant bacteria by inducing membrane mechanical damage and generating reactive oxygen species (ROS). However, the practical antibacterial efficacy of typical 2D g-C<sub>3</sub>N<sub>4</sub> is severely limited due to the low ROS production. Herein, we report an interfacial band–engineered lamellar heterojunctions (MnCN LHJs) through in situ Mn<sub>2</sub>O<sub>3</sub> growth on g-C<sub>3</sub>N<sub>4</sub>. The charges generated in g-C<sub>3</sub>N<sub>4</sub> are stabilised by Mn<sub>2</sub>O<sub>3</sub>, minimizing electron–hole recombination and boosting ROS production. Meanwhile, the photocatalytic effect of MnCN LHJs works synergistically with photothermal effects of Mn<sub>2</sub>O<sub>3</sub> to induce a robust 'melee attack' against drug-resistant bacteria. High-resolution synchrotron radiation X-ray tomography directly visualized that MnCN LHJs possessed bacterial trapping capabilities, revealing their ability to induce mechanical damage to bacteria membrane for the first time. Additionally, MnCN LHJs can deplete endogenous glutathione, thereby enhancing ROS generation and weakening the bacterial antioxidant defence system. These combined effects achieve a remarkable bactericidal rate exceeding 98% against MRSA. Notably, MnCN LHJs demonstrate prolonged retention at wound sites, helping to reduce inflammation and promote angiogenesis in infected wounds. This work not only advances interfacial band engineering approach to enhance the photocatalytic performance of g-C<sub>3</sub>N<sub>4</sub> but also underscores the significance of nanomaterial–bacteria interaction in design of next-generation antibacterial materials.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 1","pages":"94908265-94908265"},"PeriodicalIF":0.0,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciopen.com/article_pdf/1990947951317975041.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147334026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nano ResearchPub Date : 2025-11-20DOI: 10.26599/nr.2025.94908266
Rui Zhao, Yueming Xu, Xiaohui Tao, Mei Yang, Shahab Ranjbar, Ya Wen, Zhifeng Gu, Yujuan Zhu
{"title":"Treating aerobic vaginitis with the sprayable nanozyme dressing to improve pregnancy outcomes","authors":"Rui Zhao, Yueming Xu, Xiaohui Tao, Mei Yang, Shahab Ranjbar, Ya Wen, Zhifeng Gu, Yujuan Zhu","doi":"10.26599/nr.2025.94908266","DOIUrl":"https://doi.org/10.26599/nr.2025.94908266","url":null,"abstract":"Aerobic vaginitis (AV) is characterized by an abnormal vaginal microbiome accompanied by increased inflammatory responses, and well-known to be associated with high risk of preterm delivery. Local therapy offers a simple manner for the targeted treatment of AV, and nevertheless, the treatment effect is not satisfactory due to various factors. Herein, we present a novel sprayable nanozyme dressing with high anti-microbial and anti-inflammation capabilities for AV treatment, which is proved to improve pregnancy outcomes. The dressing is constituted of nanoenzyme, gelatin and nano-chitosan gel, which can be conveniently administrated in the form of a dry powder and formulate a dense hydrogel barrier at the site of action. Due to the natural characteristics of nano-chitosan, it can be electrostatically adsorbed on the surface of bacterial biofilm for sterilization, so viscous hydrogels have inherent antibacterial activity. The cerium oxide nanozyme wrapped in this dressing possesses the multiple enzyme-like properties with outstanding free radical scavenging activity and anti-inflammatory effects. It is worth mentioning that this dressing has shown significant therapeutic effects in the practical performances of AV mice. The dressing exhibited the significant anti-microbial effects, suggesting its high activity even in acidic environment. Moreover, the inflammatory responses are alleviated by promoted tissue repair, reduced proinflammatory cytokines and modulation of vaginal microbiome. More importantly, the treated mice displayed the restored reproductive function and the increased pregnancy rate. These results indicated that the present sprayable nanozyme dressing may be an ideal candidate for local therapy of AV as well as other gynecological diseases.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 2","pages":"94908266-94908266"},"PeriodicalIF":0.0,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciopen.com/article_pdf/1990952480079970306.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147382013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nano ResearchPub Date : 2025-11-20DOI: 10.26599/nr.2025.94908268
Zhuangge Yang, Jingya Sun, Moyan Wang, Yongjiu Yuan, Yunlong Ma, Zhicheng Chen, Manlou Ye, Jiafang Li, Liangti Qu, Lan Jiang
{"title":"Laser-constructed 3D self-supported CoCu metal-organic framework electrocatalysts for efficient oxygen evolution reaction","authors":"Zhuangge Yang, Jingya Sun, Moyan Wang, Yongjiu Yuan, Yunlong Ma, Zhicheng Chen, Manlou Ye, Jiafang Li, Liangti Qu, Lan Jiang","doi":"10.26599/nr.2025.94908268","DOIUrl":"https://doi.org/10.26599/nr.2025.94908268","url":null,"abstract":"The excellent electrocatalytic activity of metal-organic frameworks (MOFs) has shown great potential in applications, but has also posed outstanding challenges due to their poor conductivity and electrochemical stability. Here, we report a novel and promising self-supported oxygen electrocatalyst featuring bimetallic MOF nanosheets loaded on femtosecond-laser-constructed CoCrFeNi high-entropy alloy substrate (CCM/FHEA). This integrated design leverages synergistic advantages—including expansive specific surface area, rapid electrolyte exchange, and strong electronic interaction—to achieve exceptional OER activity and stability, with a small overpotentials of 231 mV to reach the current density of 10 mA cm<sup>-2</sup> and a Tafel slope of 53.3 mV dec<sup>-1</sup>. Furthermore, this electrocatalytic system recorded excellent reaction stability over 300 h with a constant current density of 150 mA cm<sup>−2</sup> at the potential of 1.56 V vs. RHE. Finite-element simulations demonstrate the intensified potential gradients and electric field intensity on the CCM/FHEA electrode surface, while density-functional theory calculations uncover the regulated electronic structure and reduced reaction energy barrier in post-formed CoCu-based oxyhydroxide analogue during OER. This work provides a feasible strategy for the rational design and construction of MOFs-based hierarchical self-supported electrocatalysts for efficient energy conversion technologies.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 5","pages":"94908268-94908268"},"PeriodicalIF":0.0,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147903802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Self-regulated bidirectional temperature gradients in radiation-modulated fabrics for diurnal thermal comfort management and energy harvesting","authors":"An‐Quan Xie, Wangkai Jiang, Hui Qiu, Xiaowen Qian, Ghim Wei Ho, Ke‐Qin Zhang, Xiao‐Qiao Wang","doi":"10.26599/nr.2025.94908271","DOIUrl":"https://doi.org/10.26599/nr.2025.94908271","url":null,"abstract":"Harvesting low-grade heat from both human metabolism and environmental waste through thermoelectric fabrics offers a sustainable pathway for wearable power generation. However, a critical challenge exists in establishing substantial temperature differentials for continuous thermoelectric generation while maintaining physiologically comfortable skin temperatures in dynamically variable environments. Herein, we present a dynamic radiation-modulated sandwich-structured fabric capable of diurnally adaptive operation that simultaneously enables thermal comfort regulation and thermoelectric energy harvesting. Based on a parallel dual-spinneret blow-spinning technique, we engineer all-fibrous thermoelectric fabrics with asymmetric MWCNT and AgNW electrodes. The optimized sandwich fabric achieves an out-of-plane temperature gradient (Δ<em>T</em>) of 9 °C under 1 kW m<sup>-2</sup> daytime solar irradiation and -5 °C at night (ambient temperature of 28 °C), while maintaining skin-contact temperatures within the physiological comfort range (35.5-38.3 °C). Theoretical and experimental studies reveal that these self-regulated bidirectional temperature gradients result from asymmetric optical absorption/emission properties between the MWCNT top layer (solar absorptance <em>α</em><sub>solar</sub>=91%, mid-infrared emissivity <em>ε</em><sub>MIR</sub>=87%) and the AgNW bottom layer (<em>α</em><sub>solar</sub>=18%, <em>ε</em><sub>MIR</sub>=20%). This effect is synergistically enhanced by the hierarchical porous fibrous interlayer with confined thermal transfer. Outdoor experiments demonstrate stable diurnal operation for thermal comfort and energy harvesting, generating a peak voltage of 20 mV through modular integration of sandwich fabrics.","PeriodicalId":713,"journal":{"name":"Nano Research","volume":"19 3","pages":"94908271-94908271"},"PeriodicalIF":0.0,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147334036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}