Journal of Materials Chemistry C最新文献

{"title":"Simultaneous adjustment of afterglow wavelength and intensity in indium-substituted Ga1.99−xInxO3:0.01Cr3+†","authors":"Qingqing Xie, Ailijiang Tuerdi, Xiangkai Qiao, Yalin Zheng, Aikelaimu Aihemaiti, Peng Yan and Abdukader Abdukayum","doi":"10.1039/D4TC05353B","DOIUrl":"https://doi.org/10.1039/D4TC05353B","url":null,"abstract":"<p >Near-infrared persistent luminescent nanoparticles (PLNPs) are widely used for deep tissue penetration in bio-imaging. Ga<small>₂</small>O<small>₃</small>:Cr<small>³⁺</small>, a promising phosphor material, has been extensively studied for its suitable band gap and tunable emission wavelength. Although a redshift in the fluorescence wavelength has been achieved, the persistent luminescence properties of Ga<small>₂</small>O<small>₃</small>:Cr<small>³⁺</small> following this redshift have not been extensively explored. Herein, we have prepared Ga<small>_{1.99−<em>x</em>}</small>In<small>_<em>x</em></small>O<small>₃</small>:0.01Cr<small>³⁺</small> (<em>x</em> = 0–1.99)(GIO) PLNPs utilizing a hydrothermal method followed by calcination. Replacing gallium with indium in the crystal structure of Ga<small>₂</small>O<small>₃</small>:Cr<small>³⁺</small> redshifts the emission wavelength to 830 nm and induces persistent luminescence, which is attributed to lattice distortion caused by the substitution of gallium with indium, which modifies the crystal field around the Cr<small>³⁺</small> ions. The as-prepared GIO nanoparticles show potential for future low-cost, deep-tissue bioimaging applications.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 8113-8119"},"PeriodicalIF":5.7,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840210","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":"Optoelectronic characteristics and stability evaluation of Ba2TiMxO6 (Mx = Ge, Sn, Se, Te) p-type semiconductors as candidates for functional layers in optoelectronic devices","authors":"Zia Ur Rehman and Zijing Lin","doi":"10.1039/D5TC00036J","DOIUrl":"https://doi.org/10.1039/D5TC00036J","url":null,"abstract":"<p >Driven by the escalating demand for direct band gap semiconductors, this study elucidates for the first time the potential of Ba<small>₂</small>TiMxO<small>₆</small> (Mx = Ge, Sn, Se, Te) perovskites in the realm of advanced photovoltaics and optoelectronics. The scope of this study spans the cutting-edge density functional theory computations of the structural, optoelectronic, and thermodynamic characteristics of specified materials. Additionally, it includes a comprehensive stability analysis that delves into their geometrical parameters (<em>τ</em> and <em>μ</em>), cohesive, formation, and decomposition energies, and their temperature-dependent phonon spectra, which provide critical insights into the stability of probed materials. The analyzed materials are from a notable class of direct gap semiconductors, as determined within the PBE–GGA framework, showcasing band gaps of 1.915, 2.315, 1.963, and 1.433 eV at 300 K for the investigated Ge-, Sn-, Se- and Te-bearing perovskites, respectively. Furthermore, band gap modulation with temperature is studied, denoting a stable optoelectronic behavior of these materials. Probing the optical characteristics reveals UV range optical spectra of absorption and extinction coefficients, dielectric constants, refractive indices, and optical band gaps. This study observed the enticing optoelectronic characteristics and robust stabilities of the materials studied, accentuating their potential as candidates for UV-based optoelectronic devices.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 8151-8168"},"PeriodicalIF":5.7,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/tc/d5tc00036j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840214","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 novel high-efficiency near-infrared phosphor Mg0.9Ta2Zn2.1O8:Cr3+,Yb3+ for spectroscopy applications†","authors":"Jia Liu, Shuai Wei, Dashuai Sun, Zeyu Lyu, Xueying Zhang, Xin Wang, Xiaowei Zhang and Hongpeng You","doi":"10.1039/D5TC00403A","DOIUrl":"https://doi.org/10.1039/D5TC00403A","url":null,"abstract":"<p >Near-infrared phosphor-converted light-emitting diodes (pc-LEDs) exhibit significant potential for applications in information encryption, medical diagnostics, and bioimaging owing to their distinct advantages. Nonetheless, advancing near-infrared phosphors with exceptional emission efficiency and enduring thermal stability continues to pose a significant challenge. In this study, a novel near-infrared phosphor, Mg<small>_0.9</small>Ta<small>₂</small>Zn<small>_2.1</small>O<small>₈</small>:Cr<small>³⁺</small> (MTZO:Cr<small>³⁺</small>), was successfully synthesized. MTZO:Cr<small>³⁺</small> demonstrates intense broadband near-infrared emission within the 700–1200 nm range, featuring a full width at half maximum (FWHM) of 148 nm, impressive internal quantum efficiency (IQE = 88.1%), and excellent thermal stability. Additionally, we strategically harnessed the energy transfer from the Cr<small>³⁺</small> ions to Yb<small>³⁺</small> ions to produce a MTZO:0.006Cr<small>³⁺</small>,0.04Yb<small>³⁺</small> phosphor, achieving a marked enhancement in thermal stability. Moreover, a near-infrared pc-LED was developed by coupling the MTZO:Cr<small>³⁺</small>,Yb<small>³⁺</small> phosphor with a commercial blue LED chip. The device exhibits a photoelectric efficiency of 8.11% at a driving current of 100 mA and a peak near-infrared output power of 24.14 mW under identical conditions, highlighting its potential for secure information encryption, night vision, and non-destructive testing applications.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 8130-8138"},"PeriodicalIF":5.7,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840212","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":"Effects of non-fused and fused substituents in quinoxaline-based central units on conformation, aggregation, and photovoltaic properties of non-fused ring electron acceptors†","authors":"Kenta Yamada, Wataru Suzuki, Motohisa Kubota, Junichi Inamoto, Mizuho Kondo, Tomoyuki Koganezawa, Yuki Chiga, Ryo Takahata, Toshiharu Teranishi, Hiroshi Imahori and Tomokazu Umeyama","doi":"10.1039/D5TC00204D","DOIUrl":"https://doi.org/10.1039/D5TC00204D","url":null,"abstract":"<p >Non-fused ring electron acceptors (NFREAs) have garnered significant attention in organic photovoltaics (OPVs) due to their promising potential for practical applications. In this study, we prepared two acceptor–donor–acceptor′–donor–acceptor (A–D–A′–D–A) type NFREAs, CRIC and BRIC, featuring a quinoxaline (Qx) derivative with two alkoxy chains at the 6,7-positions as the central A′ unit. Phenanthrene is fused to the Qx ring in BRIC, whereas the 4a–4b bond of the fused phenanthrene is cleaved in CRIC. Theoretical calculations and detailed analyses of <small>¹</small>H NMR spectroscopy suggest that both CRIC and BRIC most likely adopt an S-shaped conformation, in which one D–A′ linkage forms an intramolecular S⋯O noncovalent bond, while the other forms an S⋯N bond. Notably, BRIC formed aggregates at high concentrations, whereas CRIC did not exhibit such aggregation. When blended with the conjugated polymer donor PBDB-T, CRIC- and BRIC-based OPV devices achieved high power conversion efficiencies (PCEs) of 11.6% and 8.25%, respectively. The relatively lower PCE of the BRIC-based device was attributed to larger domain sizes in the PBDB-T:BRIC blend film, which hindered efficient exciton diffusion to the donor–acceptor interface. These findings offer valuable insights into the molecular design of high-performance Qx-based NFREAs for OPV applications.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 7984-7995"},"PeriodicalIF":5.7,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840202","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":"Critical behaviour and magnetocaloric properties of Fe88Zr5Hf2B4Cu1 metallic glass for near-room temperature magnetic refrigeration application†","authors":"Anjana Vinod, D. Arvindha Babu, Manivel Raja Muthuvel, Parthiban Ramasamy and W. Madhuri","doi":"10.1039/D4TC04586F","DOIUrl":"https://doi.org/10.1039/D4TC04586F","url":null,"abstract":"<p >The escalating global demand for energy has precipitated a rapid expansion of the refrigeration industry, necessitating the development of innovative, sustainable, and economically viable methods. Green magnetic refrigeration technologies, which can be optimized within a concise time frame, are of particular emphasis. The primary objective of this article is to establish an efficient and accurate methodology for predicting and preparing the magnetocaloric properties of relevant materials. In the present article Fe<small>₈₈</small>Zr<small>₅</small>Hf<small>₂</small>B<small>₄</small>Cu<small>₁</small> is synthesized by arc melting and melt spinning without any heat treatments. The structural, thermal, magnetic and morphological properties are studied using X-ray diffraction, differential scanning calorimetry (DSC), vibrating sample magnetometry (VSM) and transmission electron microscopy (TEM). This study is a comprehensive examination of the critical exponents of the Fe<small>₈₈</small>Zr<small>₅</small>Hf<small>₂</small>B<small>₄</small>Cu<small>₁</small> alloy. It employs a variety of analytical techniques, such as Arrot plots, Kouvel–Fisher plots, and magnetocaloric analysis, to clarify the alloy's magnetic behaviour near the transition temperature. The onset of ferromagnetic behaviour is precisely identified at 284 K, as determined by the transition temperature. The critical exponents derived from various methods align with the theoretical predictions of the 3D Heisenberg model, suggesting short-range interactions and magnetic inhomogeneity, consistent with the magnetization data. Additionally, the Arrot plot verifies a second-order phase transition, which offers valuable insights into the alloy's magnetic phase transition. The investigations indicate that the Fe<small>₈₈</small>Zr<small>₅</small>Hf<small>₂</small>B<small>₄</small>Cu<small>₁</small> compound is a promising candidate for magnetic refrigeration applications due to its moderate magnetocaloric effect (MCE) near room temperature and large temperature range.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 8228-8237"},"PeriodicalIF":5.7,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840233","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":"Exploring structure and thermoelectric properties of p-type Ge1−xInxSb4Te7 compounds†","authors":"Peng Li, Hu Zhang, Lu Lu, Wenpeng Jia, Yongli Liu, Weiwei Meng, Chuanlin Zhang, Weiping Tong and Shao-Bo Mi","doi":"10.1039/D5TC00078E","DOIUrl":"https://doi.org/10.1039/D5TC00078E","url":null,"abstract":"<p >Thermoelectric (TE) properties of layered Ge–Sb–Te compounds have received extensive attention owing to their decent TE performance with high electrical conductivity and low thermal conductivity. Here, we report the structure and TE properties of In-doped GeSb<small>₄</small>Te<small>₇</small> compounds prepared by vacuum hot-pressing sintering. We determined that GeSb<small>₄</small>Te<small>₇</small>-based compounds exhibit site-occupational disorder due to Ge/Sb cation mixing and that In-doping in GeSb<small>₄</small>Te<small>₇</small> compounds significantly lowers the thermal conductivity, enhances the Seebeck coefficient, and improves the power factor of pristine GeSb<small>₄</small>Te<small>₇</small>. Noticeably, the room-temperature power factor of the Ge<small>_0.925</small>In<small>_0.075</small>Sb<small>₄</small>Te<small>₇</small> sample can be increased by 174% compared to that of the GeSb<small>₄</small>Te<small>₇</small> sample. The optimized electrical properties and the suppressed thermal conductivity result in a maximal TE figure-of-merit of 0.62 achieved in Ge<small>_0.925</small>In<small>_0.075</small>Sb<small>₄</small>Te<small>₇</small> at 750 K, which is about 41% higher than that of the pristine sample. Our theoretical calculations indicate that the band structure, the density of states, and the local crystal structure of GeSb<small>₄</small>Te<small>₇</small> can be modified by the In-doping, which contributes to improving the TE properties of GeSb<small>₄</small>Te<small>₇</small>-based compounds. Our studies on the atomic-scale structure of GeSb<small>₄</small>Te<small>₇</small> and the effect of In-doping on the TE performance are helpful to the configurational entropy design and the performance optimization of layered TE materials.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 15","pages":" 7785-7791"},"PeriodicalIF":5.7,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818089","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":"Preparation of lightweight layered porous SiC nanowires/RGO composites with excellent electromagnetic wave absorption performance","authors":"Xue-Ting Li, Kai Zhang, Jian Wei, Yan-Bin Zhang, Zhuang Miao, Jia-Yi Hou and Yi Yao","doi":"10.1039/D4TC04833D","DOIUrl":"https://doi.org/10.1039/D4TC04833D","url":null,"abstract":"<p >Designing composite electromagnetic wave absorption (EWA) materials with a strategic structure is a key approach to improve the EWA efficiency of SiC nanowires (SiC<small>_NWs</small>). In this study, SiC<small>_NWs</small>/reduced graphene oxide (SiC<small>_NWs</small>/RGO) composites with layered porous structures were successfully prepared using homemade SiC<small>_NWs</small> and graphene oxide (GO) using simple freeze-drying and heat treatment techniques. Then the EWA performance of SiC<small>_NWs</small>/RGO with different filling amounts (5 wt%, 15 wt% and 25 wt%) was investigated. A minimum reflection loss (RL<small>_min</small>) value of −47 dB at 12.7 GHz was achieved when SiC<small>_NWs</small>/RGO was filled with 5 wt% and the coating thickness was 2.2 mm. When the coating thickness was reduced to 2.0 mm, the effective absorption bandwidth (EAB) extended to 5.78 GHz (12.02 to 17.8 GHz), covering the entire Ku band. The outstanding EWA performance was primarily due to the layered porous structure, which facilitates multiple reflections and scattering of electromagnetic waves (EMWs). This structure not only lengthened the wave attenuation path but also worked synergistically with dielectric and conductive losses. The SiC<small>_NWs</small>/RGO composites prepared in this study are characterized by light weight, thin thickness and high absorption rate, enabling them to be particularly suitable for electromagnetic shielding in the field of livelihood and ecology.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 15","pages":" 7824-7835"},"PeriodicalIF":5.7,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818092","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":"Wireless, flexible, and disposable sensing devices enabling real-time long-term patient medical care for pressure injury prevention†","authors":"Ta-Sheng Chang, Chiao-Wen Chien, Elmer Ismael Guerra, Ting-Yi Wang, Chien-Wei Huang, Ying-Siou Lin, Jung-Chen Chang and Wei-Ssu Liao","doi":"10.1039/D4TC05320F","DOIUrl":"https://doi.org/10.1039/D4TC05320F","url":null,"abstract":"<p >Pressure injuries have become one of the most prevalent long-term healthcare challenges, and efficient detection of pressure on body tissues, especially over bony prominences, is essential for determining appropriate relief interventions. In the post-epidemic era, heightened awareness of infection risks and personal healthcare has strongly demanded disposable medical devices with durable functionality. In response, we introduce a wireless, flexible, and disposable sensing device designed for long-term stress monitoring and pressure injury prevention on the human-body. A porous paper matrix embedded with CNT–PEDOT composites establishes compressible conducting networks, enabling sensitive external pressure detection through piezoresistive effects. The dispersion of CNT–PEDOT aggregates and their distinctive gradient distribution throughout the porous paper structure provide controlled conductivity and sensitivity within the device. A multilayer design is achieved through selective drop-casting and preferential stacking forms alternating conductive/nonconductive interfaces, effectively modulating the device's electrical properties. With an outstanding sensitivity of 40.09 kPa<small>⁻¹</small>, a rapid response time of 125 ms, a broad pressure detection range of 0 to 100 kPa, good durability exceeding 1000 cycles, and consistent reproducibility across 500 times, this integrated sensor demonstrates strong potential for medical device applications. When integrated with a bluetooth module, the multichannel wireless detection system enables real-time remote monitoring of human movement. It accurately identifies various body postures with high sensitivity, specificity, and accuracy, achieving near 100% accuracy in clinical tests. In practice, the proposed sensor offers a promising solution for physiological signal monitoring, addressing both the cost and efficiency challenges associated with manufacturing disposable medical equipment. This approach is anticipated to significantly support caregivers in hospitals, long-term care facilities, and community home-care settings by facilitating effective, science-based pressure injury prevention in long-term patient management.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 16","pages":" 7943-7956"},"PeriodicalIF":5.7,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840195","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":"Unraveling the adhesion characteristics of ruthenium as an advanced metal interconnect material using machine learning potential†","authors":"Eunseog Cho, Won-Joon Son, Seungmin Lee, Hyeon-Seok Do, Kyoungmin Min and Dae Sin Kim","doi":"10.1039/D4TC04870A","DOIUrl":"https://doi.org/10.1039/D4TC04870A","url":null,"abstract":"<p >As the dimensions of semiconductor devices continue to shrink and the complexity of the manufacturing process increases, metal interconnects that link different parts of integrated circuits have become a key factor in determining device performance, speed, and power efficiency. Until recently, copper (Cu) has been used as a metal interconnect material, but due to a sharp increase in resistance at sub-10 nm, ruthenium (Ru) is considered a promising candidate for advanced interconnect materials. In order to employ Ru as the interconnect material, it is necessary to secure adhesion characteristics with amorphous SiO<small>₂</small>, which is used as a representative insulator, but there is little understanding of the interfacial adhesion especially within an atomistic perspective. This study combines machine learning potential and steered molecular dynamics to provide atomic-level understanding of the adhesion properties of Ru/SiO<small>₂</small> interfaces. It was found that the presence of hydroxyl groups on the surface of SiO<small>₂</small> significantly affects the adhesion and the removal of hydrogen atoms from the hydroxyl groups is remarkably effective in increasing adhesion, even under excessive conditions. The analysis of the bonding characteristics between Ru and interfacial atoms of SiO<small>₂</small> suggests that the degree of bonding between Ru and oxygen atoms is crucial for adhesion, and that the adhesion characteristics can be predicted through the bond order of interfacial atoms.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 15","pages":" 7772-7784"},"PeriodicalIF":5.7,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818088","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":"Breathable, recyclable, and solvent-free conductive films: versatile processing for flexible biointerfaces†","authors":"Yi Qian, Yuyu Zhang, Jinhao Huang, Qiongya Li, Fusheng Zhang and Guangyan Qing","doi":"10.1039/D4TC05213G","DOIUrl":"https://doi.org/10.1039/D4TC05213G","url":null,"abstract":"<p >Biointerface engineering is pivotal for the seamless integration of wearable sensors with skin, offering transformative potential in bioelectronics, personalized diagnostics, and human–computer interfaces. Nonetheless, creating high-performance biointerface materials that adhere effectively to the skin while simultaneously providing breathability and preserving mechanical compliance remains a formidable challenge. Here, we present a solvent-free, ion-conductive biointerface film fabricated <em>via</em> the physical crosslinking of soft polyethylene oxide with phytic acid. The resulting film exhibits excellent air permeability (1.89 ± 0.02 mg cm<small>⁻²</small> h<small>⁻¹</small>), self-adhesion (89.60 ± 1.45 kPa), and mechanical compliance (skin-compatible Young's modulus of approximately 0.42 MPa). Remarkably, the material can be recycled and reused over 10 times, and dissolved quickly in hot water at 60 °C, enabling facile reprocessing. We demonstrate its efficacy as a wearable sensor conformally attached to the knuckles, providing stable electrochemical signals that accurately track bending states. In addition, we demonstrate its application as a leaf patch for continuous monitoring of plant activity over 48 hours. These findings offer a sustainable and versatile platform for advancing the development of flexible wearable technologies.</p>","PeriodicalId":84,"journal":{"name":"Journal of Materials Chemistry C","volume":" 15","pages":" 7806-7814"},"PeriodicalIF":5.7,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818081","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}