ACS Applied Nano Materials最新文献

{"title":"Iron-Doped Nanorods of MnO2 For Applications in Zinc-Ion Batteries","authors":"Siyu Jiang,&nbsp;Songlin Tian,&nbsp;Shu Zhang,&nbsp;Luan Fang,&nbsp;Zhuo Wang,&nbsp;Ping Nie,&nbsp;Wenjuan Han,&nbsp;Xiangxin Xue,&nbsp;Cuimei Zhao*,&nbsp;Ming Lu* and Limin Chang*,&nbsp;","doi":"10.1021/acsanm.4c0563910.1021/acsanm.4c05639","DOIUrl":"https://doi.org/10.1021/acsanm.4c05639https://doi.org/10.1021/acsanm.4c05639","url":null,"abstract":"<p >Manganese dioxide materials exhibit an unstable crystal structure due to the Jahn–Teller effect and the disproportionation reaction of Mn³⁺ to Mn²⁺/Mn⁴⁺. Therefore, how to regulate and control the electronic state of Mn in MnO₂ materials and achieve higher structural stability constitutes the cornerstone for large-scale applications. Ferrous iron possesses strong reducibility, while manganese dioxide has oxidation properties, and both undergo redox reactions. During the reaction process, some electrons acquired by manganese ions are reduced, and their average valence state decreases, which leads to a change in the chemical bonds between manganese ions and oxygen ions, resulting in oxygen ions being more readily separated from the crystal lattice and thus forming oxygen vacancies. In this paper, through a hydrothermal reaction, the average valence state of manganese is lowered, the proportion of Mn³⁺ is increased, and the exposed proportion of adsorbed oxygen is enhanced by the reaction of ferrous iron with potassium permanganate, subsequently constructing nanorod manganese dioxide rich in oxygen vacancies. When utilized as cathodes of aqueous zinc-ion batteries, it offers a specific capacity as high as 192.24 mAh g^–1 at 2 A g^–1 and retains 172 mAh g^–1 after 1000 cycles at 1 A g^–1. This indicates that a more stable structure can restrain the structural damage caused by the cyclic intercalation/extraction of H⁺ and Zn²⁺, and more oxygen vacancies can promote electrode reaction kinetics. Moreover, the assembly of the soft-pack battery demonstrates its flexible performance, which paves the way for the large-scale energy storage production and application of zinc-ion batteries.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27648–27655 27648–27655"},"PeriodicalIF":5.3,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850630","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":"Hypoxia-Responsive Self-Assembling Nanoparticles Based on an Amphiphilic Copolymer for Targeted Delivery of Tissue Plasminogen Activator in Acute Mesenteric Ischemia Therapy","authors":"Mingze Song,&nbsp;Qiongrong Zeng and Xingwei Ding,&nbsp;","doi":"10.1021/acsanm.4c0540810.1021/acsanm.4c05408","DOIUrl":"https://doi.org/10.1021/acsanm.4c05408https://doi.org/10.1021/acsanm.4c05408","url":null,"abstract":"<p >Acute mesenteric ischemia (AMI) is a life-threatening disease characterized by the sudden loss of blood flow to the small intestine, leading to ischemia and potentially fatal intestinal necrosis if not promptly addressed. Current treatment protocols prioritize endovascular thrombolysis with a tissue plasminogen activator (tPA) as the first-line intervention. However, the efficacy of tPA is limited by its rapid inactivation in the bloodstream and associated risks of hemorrhagic complications from excessive dosing. Herein, we explored a hypoxia-responsive, cyclic arginyl-glycyl-aspartic acid (cRGD) peptide-decorated amphiphilic copolymer composed of polyethylene glycol (PEG) and poly(propylene glycol)bis(2-aminopropyl ether) (PPG), linked by an azo bond, named cRGD-PEG-azo-PPG (cPaP), which self-assembled to load tPA effectively for AMI therapy. Our results demonstrated that tPA-loaded cPaP nanoparticles can precisely target thrombus sites by cRGD peptide and respond to the hypoxic microenvironment to release the drug by hypoxia-responsive azo bond, significantly improving thrombolytic outcomes <i>in vitro</i> and <i>in vivo</i>. This study demonstrates the potential of utilizing biochemical and environmental triggers for targeted delivery of tPA, significantly improving the safety and efficacy of treatments for thromboembolic disease.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27400–27407 27400–27407"},"PeriodicalIF":5.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850770","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":"Citric-Acid-Modified Iron–Titanium Dioxide Nanodots for Fenton Reaction-Driven MRI Contrast Enhancement of In Vivo Hydrogen Peroxide","authors":"Wang Qian,&nbsp;Shiqi Jin,&nbsp;Ruiyang Suo,&nbsp;Yi Li,&nbsp;Huan Ling,&nbsp;Shuqi Li,&nbsp;Ling Zhu,&nbsp;Kai Deng,&nbsp;Wenjie Sun*,&nbsp;Yongchang Wei* and Bo Wu*,&nbsp;","doi":"10.1021/acsanm.4c0548810.1021/acsanm.4c05488","DOIUrl":"https://doi.org/10.1021/acsanm.4c05488https://doi.org/10.1021/acsanm.4c05488","url":null,"abstract":"<p >Reactive oxygen species (ROS), including hydroxyl and superoxide radicals, play crucial roles in disease development and are recognized as indicators for cancer and inflammation. Although these radicals possess paramagnetism due to unpaired electrons, their high reactivity and low in vivo concentrations challenge MRI detectability. In this study, we utilized iron–titanium dioxide nanodots modified by citric acid (Fe-TiO₂-CA) as catalysts in the Fenton reaction to efficiently convert hydrogen peroxide, a diamagnetic molecule, into paramagnetic hydroxyl radicals. This conversion maintained the concentration of hydroxyl radicals within the detectable range for MRI. Our results demonstrated that Fe-TiO₂-CA significantly shortened the T1 relaxation time in H₂O₂ solutions. Importantly, this approach successfully enabled in vivo imaging of areas with elevated hydrogen peroxide concentrations typical of cancerous and inflamed tissues. These findings highlight the potential of Fenton reaction catalysts as innovative diagnostic tools for MRI-based detection of diseases with elevated hydrogen peroxide levels.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27591–27598 27591–27598"},"PeriodicalIF":5.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850769","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":"Carrier-Free Nanoparticles via Coassembly of Paclitaxel and Gambogic Acid with Folate-Functionalized Albumin for Targeted Tumor Treatment","authors":"Fanchao Meng,&nbsp;Shiwei Ren,&nbsp;Guiyuan Wang,&nbsp;Yunfei Dai,&nbsp;Beilin Xue,&nbsp;Shiyan Dong,&nbsp;Xiang Pang,&nbsp;Yating Sun,&nbsp;Minzhe Zhang,&nbsp;Jie Yang* and Lesheng Teng*,&nbsp;","doi":"10.1021/acsanm.4c0492010.1021/acsanm.4c04920","DOIUrl":"https://doi.org/10.1021/acsanm.4c04920https://doi.org/10.1021/acsanm.4c04920","url":null,"abstract":"<p >Various traditional drug delivery systems usually have complex compositions and exhibit relatively low drug loading (&lt;10 wt %) due to a lack of affinity with drugs, leading to the potential adverse effects of overdosed carrier materials and manufacturing costs. Herein, carrier-free nanoparticles with ultrahigh drug loading, reduced drug toxicity, and targeting delivery ability are developed by the adsorption of folate-functionalized albumin (FA-HSA) and drugs. Hydrophobic drugs paclitaxel (PTX) and gambogic acid (GA) form carrier-free PTX/GA via coassembly, followed by the adsorption of FA-HSA on the surface of PTX/GA to fabricate PTX/GA@FA-HSA with high drug loading capacity and the targeting ability via the FA-folate receptor (FR)-mediated recognition pathway. PTX/GA@FA-HSA exhibits a spherical core–shell nanostructure and a diameter of 130.0 ± 1.4 nm. Compared to the traditional drug delivery systems, PTX/GA@FA-HSA exhibits high drug loading (∼81.5%) due to two drugs acting as both the carriers and the cargos. Experimental results demonstrate that both PTX and GA in PTX/GA@FA-HSA can be delivered and internalized into MDA-MB-231 cells via the FA-FR-mediated recognition pathway. Meanwhile, PTX/GA@FA-HSA exhibited enhanced tumor targeting ability and negligible side effects in MDA-MB-231 tumor-bearing nude mice, which provides an insight for designing advanced carrier-free nanocarriers with targeting ability.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"26941–26951 26941–26951"},"PeriodicalIF":5.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843624","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":"Porous Carbon Used as Reserved Interspace for Long Cycling Stability of Nanostructured MnO Electrode Materials","authors":"Yixuan Wen,&nbsp;Wei Tu,&nbsp;Xiaoqian Zhang,&nbsp;Wei Zhou,&nbsp;Yuxiang Yang,&nbsp;Chongchong Ma,&nbsp;Liqiang Zhang,&nbsp;Tongde Shen,&nbsp;Peng Jia* and Yuqing Qiao*,&nbsp;","doi":"10.1021/acsanm.4c0466410.1021/acsanm.4c04664","DOIUrl":"https://doi.org/10.1021/acsanm.4c04664https://doi.org/10.1021/acsanm.4c04664","url":null,"abstract":"<p >Manganese monoxide (MnO) has received considerable attention due to its high energy capacity in lithium-ion batteries (LIBs), whereas lithium-induced volume expansion hinders its cycle capacity. Carbon-coating is an effective strategy to address this issue. However, the volume expansion of the carbon layer is always ignored. Here, porous carbon (PC) was designed as reserved interspace for alleviating lithium-induced volume expansion of MnO@PC electrode materials. To clarify the effect of the reserved interspace, we assembled a Li-ion nanobattery in an aberration-corrected environmental transmission electron microscope using nanostructured MnO@PC as the electrode material to observe the Li insertion process in real time. Nearly no volume expansion was observed in the MnO@PC electrode materials during the lithiation process, indicating that those pores can effectively alleviate the carbon layer volume expansion. Electrochemical measurements of the nanostructured MnO@PC electrode materials were conducted in conventional LIBs, displaying a long cycling stability of about 1000 times. The pores acting as reserved interspace relieved the volume expansion of the carbon layer, and the porous carbon layer improved the long cycling stability of MnO@PC electrode materials. This result provided a promising method for the design of other nanostructured electrode materials.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"26804–26812 26804–26812"},"PeriodicalIF":5.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843851","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":"Optimization of g-C3N4 Nanostructures by CH2 Introduction and Relay Modification for Photocatalytic Hydrogen Evolution","authors":"Daopeng Zhong,&nbsp;Xiangchen Jia,&nbsp;Xianxi Zhang,&nbsp;Jinsheng Zhao,&nbsp;Dongting Wang*,&nbsp;Yuzhen Fang*,&nbsp;Zhiliang Zhang,&nbsp;Federico Rosei* and Yong Li*,&nbsp;","doi":"10.1021/acsanm.4c0551110.1021/acsanm.4c05511","DOIUrl":"https://doi.org/10.1021/acsanm.4c05511https://doi.org/10.1021/acsanm.4c05511","url":null,"abstract":"<p >While extensive efforts have focused on increasing the level of photocatalytic hydrogen evolution of the g-C₃N₄ nanostructure, these approaches are often constrained by the excessive reliance on single-step modification methodologies, which significantly restricts the potential for performance enhancement. Herein, we propose a relay-modification strategy that begins with the occupation of the CH₃-induced N defect sites in the g-C₃N₄ nanostructure with CH₂ groups and is followed by the subsequent annealing process in ambient air. Computational modeling and material characterization suggested that the introduced CH₂ groups could significantly accelerate change in charge carrier transportation within the g-C₃N₄, improve visible light absorption, and decrease the adsorption-free energy of hydrogen intermediates. Consequently, the g-C₃N₄ nanostructure enriched with CH₂ groups yielded a hydrogen evolution rate of 9.0 mmol g^–1 h^–1, which is much higher than that of pristine g-C₃N₄ (2.3 mmol g^–1 h^–1). The subsequent relay modification, i.e., calcination treatment, yields an impressive H₂ evolution rate of 14.3 mmol g^–1 h^–1, more than 16 times higher than that of the nonfunctionalized g-C₃N₄-derived sample and superior to most reported g-C₃N₄. Experimental characterizations showed that the remarkable hydrogen production activity could be attributed to relay-modification-induced enhanced visible light absorption and improved electron–hole pair separation.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27508–27519 27508–27519"},"PeriodicalIF":5.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843626","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":"Correction to “Anchoring Core–Shell Cu@Cu2O Nanoparticles to Two-Dimensional Carbon Nanosheets for Bacterial Disinfection”","authors":"Guihong Sun,&nbsp;Shanshan Jia,&nbsp;Xiaoyan Zhang*,&nbsp;Zewen Kang,&nbsp;Malin Cui,&nbsp;Bingqing Wang,&nbsp;Bo Wang* and Da-Peng Yang*,&nbsp;","doi":"10.1021/acsanm.4c0635810.1021/acsanm.4c06358","DOIUrl":"https://doi.org/10.1021/acsanm.4c06358https://doi.org/10.1021/acsanm.4c06358","url":null,"abstract":"","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27795–27796 27795–27796"},"PeriodicalIF":5.3,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851037","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":"Oxygen-Vacancy-Containing ZnO Nanoparticles for the Catalytic Cleavage of Dimethyl Methylcyclohexyl-2,4-Dicarbamate to the Corresponding Diisocyanate: Implication for the Preparation of Phosgene-Free Polyurethanes","authors":"Shutong Pang,&nbsp;Hualiang An*,&nbsp;Guirong Wang,&nbsp;Xinqiang Zhao* and Yanji Wang,&nbsp;","doi":"10.1021/acsanm.4c0550910.1021/acsanm.4c05509","DOIUrl":"https://doi.org/10.1021/acsanm.4c05509https://doi.org/10.1021/acsanm.4c05509","url":null,"abstract":"<p >Methylcyclohexyl-2,4-diisocyanate (HTDI) is an upgraded product of toluene-2,4-diisocyanate. HTDI-derived polyurethane products show excellent properties such as nonyellowing degeneration, light stability, and weather resistance. The cleavage of dimethyl methylcyclohexyl-2,4-dicarbamate (HTDC) is a crucial step for phosgene-free synthesis of HTDI. In this work, the catalytic performance of ZnO nanoparticles (NPs) with different particle sizes was evaluated for the cleavage of HTDC, and the result showed that the selectivity of HTDI up to 81.3% was achieved with a 94.2% conversion of HTDC over a 19.1 nm ZnO catalyst. It was found from the results of experiments and characterizations that the decrease in ZnO NPs particle size led to the following circumstances: (1) the specific surface area increased, (2) the crystal preferred orientation shifted from the (100) plane to the (002) plane, and (3) the oxygen vacancy concentration increased. The first-principles calculation results showed that two electrons left from the formation of an oxygen vacancy on the ZnO surface could transfer to the neighboring Zn site. Thus, the electron-withdrawing ability of the Zn site is changed and the structure of the ZnO surface is rearranged, which facilitates the inhibition of side reactions. Therefore, changing the concentration of oxygen vacancies and then adjusting the electron-withdrawing ability of Zn sites on the ZnO surface are an effective way to achieve highly selective synthesis of HTDI by the cleavage of HTDC.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27498–27507 27498–27507"},"PeriodicalIF":5.3,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850880","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":"Multifunctional Polyoxovanadate-Based Covalent Organic Polymer for Bacteria-Infected Wound Therapy","authors":"Yinuo Li,&nbsp;Linru Zhao,&nbsp;Manli Liu,&nbsp;Xianzhong Zeng*,&nbsp;Yuehua Zhao* and Baolong Zhou*,&nbsp;","doi":"10.1021/acsanm.4c0494410.1021/acsanm.4c04944","DOIUrl":"https://doi.org/10.1021/acsanm.4c04944https://doi.org/10.1021/acsanm.4c04944","url":null,"abstract":"<p >The special pathological microenvironment of infected wounds (pathology of weakly acidic, hypoxic, and overexpressed H₂O₂) provides fertile soil for the development of disease. Tailoring treatment based on the specific characteristics of the infectious microenvironment (IME) has emerged as a novel direction in the development of antimicrobial therapies. Here, a polyoxovanadate (POV)-based covalent organic polymer (POV-Fc-COP) with inherent photothermal activity was facilely prepared via the copolymerization of 1,1′-bi(3-dimethylamino-1-oxo-2-enyl-ferrocene) (BDOEF) with tris-NH₂-modified POV (tris-V₆O₉), in which the nanovanadium oxide (V₂O₃ and V₂O₅) core and polymer shell were generated directly during the Michael addition–elimination reaction. The unique structure and composition impart pH-responsive peroxidase-like (POD-like) and catalase-like (CAT-like) activities, concurrently, to the POV-Fc-COP. Specifically, the acid-activated mimicking-POD activity could consume H₂O₂ in the microenvironment, producing toxic •OH to combat bacteria and biofilms. The vanadium oxide consumes the excessive acid, resulting in an increase in pH. Meanwhile, the CAT-like activity could transform excess H₂O₂ expression into O₂ to relieve hypoxia induced by the damage of blood vessels in the wounds and facilitate wound healing. Additionally, the synergistic amplified therapeutic effect triggered by the application of laser irradiation facilitates the rapid eradication of bacteria and biofilm, minimizing the detrimental impacts of bacterial proliferation on the IME, thereby accelerating the restoration of the IME return to a normal state. Therefore, POV-Fc-COP with a dual-enzyme functionality could not only utilize but also regulate the IME, significantly expediting the healing of bacteria-infected wounds. This study demonstrates a simple method for the preparation of an intelligent platform for programmed antibacterial and antibiofilm formation, thus promoting healing while utilizing and improving the IME.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"26928–26940 26928–26940"},"PeriodicalIF":5.3,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851141","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":"Self-Cleaning MXene/Bacterial Cellulose Composite Film for Photothermal Actuation and Sterilization","authors":"Jingwen Zhang,&nbsp;Yingcen Guo,&nbsp;Yong Yang*,&nbsp;Nuo Fu,&nbsp;Shuyu Wang and Ziwei Deng*,&nbsp;","doi":"10.1021/acsanm.4c0553310.1021/acsanm.4c05533","DOIUrl":"https://doi.org/10.1021/acsanm.4c05533https://doi.org/10.1021/acsanm.4c05533","url":null,"abstract":"<p >In this study, a multifunctional MXene composite film has been developed with self-cleaning, photothermal actuation, and photothermal sterilization capabilities, making it a promising photothermal actuator. The research begins by making Ti₃C₂T_<i>x</i> MXene nanosheets superhydrophobic and enhancing their ambient stability using a mussel-inspired polydopamine (PDA) coating, electroless Ag metallization, and a hydrophobic 1<i>H,</i> 1<i>H,</i> 2<i>H,</i> 2<i>H-</i>perfluorodecanethiol (PFDT) coating. A versatile MXene composite film is created by combining superhydrophobic Ti₃C₂T_<i>x</i> MXene nanosheets with bacterial cellulose (BC) using a vacuum filtration process. This MXene composite film demonstrates a water-repellent surface with an impressive water contact angle (WCA) of 152.3 ± 1.4°, highlighting its exceptional self-cleaning capability, liquid-repellent ability, and long-lasting stability. Moreover, it displays efficient photothermal conversion performance and stability by raising surface temperature to over 120 °C when exposed to NIR light. Furthermore, the integration of superhydrophobicity and photothermal conversion capability enables precise photothermal actuation in both linear and rotational modes. This allows for movement on water surface in various modes as well as the completion of surface cargo transportation driven by NIR light irradiation. Additionally, it also exhibits excellent photothermal sterilization capabilities due to its superhydrophobicity and photothermal conversion capacity. Therefore, this research offers valuable insights for advancing MXene-based actuators with significant potential in the fields of soft robotics, wearable electronics, biomedicine, and beyond.</p>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":"7 23","pages":"27531–27542 27531–27542"},"PeriodicalIF":5.3,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843763","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}