Advanced Materials Interfaces最新文献_第10页

Twisted GeS Nanowire with Engineered Stacking Order and Tunable Composition 具有工程堆叠顺序和可调成分的扭曲锗纳米线

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2025-01-02 DOI: 10.1002/admi.202400802

Qi Wu, Xuan Pan, Weiwei Zhao, Yuan Gao, Dawei Zhao, Shancheng Yan, Taotao Li, Feng Miao, Zaiyao Fei, Yi Shi

{"title":"Twisted GeS Nanowire with Engineered Stacking Order and Tunable Composition","authors":"Qi Wu, Xuan Pan, Weiwei Zhao, Yuan Gao, Dawei Zhao, Shancheng Yan, Taotao Li, Feng Miao, Zaiyao Fei, Yi Shi","doi":"10.1002/admi.202400802","DOIUrl":"https://doi.org/10.1002/admi.202400802","url":null,"abstract":"One-dimensional (1D) nanoarchitectures crafted from van der Waals (vdWs) layered crystals with unconventionally stacking orders have demonstrated novel and inspiring properties. Recently, helical germanium sulfide (GeS) crystals with discretely twisted structures are grown, inducing interlayer twist. Here, 1D twisted nanowires with engineered stacking order and bandgap are further prepared. Due to the axial screw dislocation, the crystallized GeS layers rotate to form twisted nanowires during the vapor−liquid−solid (VLS) process. Moreover, substitutional alloying of germanium selenide (GeSe) not only allows for a tunable bandgap, but also preserves the intrinsic twist in the alloy nanowires. Unlike normal nanowires, the pronounced second harmonic generation (SHG) signal definitely confirms broken inversion symmetry caused by the atypical stacking order. Enhanced photoelectronic properties are observed in these twisted GeS nanowires. The findings present significant opportunities for future electronics and optoelectronics applications by harnessing 1D vdWs nanoarchitectures with engineered stacking order and composition-controlled bandgaps.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 9","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400802","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143914001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of Semiconductor Zinc Sulfide Nanospheres for Improving Piezoresistive Sensing Behavior of Melt-Mixed Poly(vinylidene fluoride)/Carbon Nanotube Composites 改善熔融混合聚偏氟乙烯/碳纳米管复合材料压阻传感性能的半导体硫化锌纳米球的合成

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2025-01-02 DOI: 10.1002/admi.202400633

Müslüm Kaplan, Emre Alp, Beate Krause, Regine Boldt, Petra Pötschke

{"title":"Synthesis of Semiconductor Zinc Sulfide Nanospheres for Improving Piezoresistive Sensing Behavior of Melt-Mixed Poly(vinylidene fluoride)/Carbon Nanotube Composites","authors":"Müslüm Kaplan, Emre Alp, Beate Krause, Regine Boldt, Petra Pötschke","doi":"10.1002/admi.202400633","DOIUrl":"https://doi.org/10.1002/admi.202400633","url":null,"abstract":"Studies have increasingly aimed at improving the piezoresistive behavior of polymer-based conductive composites (CPCs) for strain-sensing, with inorganic nanomaterial enhancement offering research opportunities. This study investigates the impact of incorporating zinc sulfide nanospheres (ZnS NSs, 1–7 wt.%), synthesized via a one-step hydrothermal method, into a poly(vinylidene fluoride) (PVDF) polymer matrix together with multi-walled carbon nanotubes (MWCNTs). Field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD) analyses reveal that ZnS NSs comprise a mixture of ZnS0.96O0.04 and S phases. While of ZnS NSs minimally impact tensile properties of the PVDF/MWCNT composites, they reduce elongation at break at 5 wt.%. During 15-cycle strain sensing up to 3% strain, ZnS NSs-enhanced composites outperformed PVDF/1 wt.% MWCNT. The reference sample's resistance change ratio (ΔR/R0) decreased below 1% with increased cycles, while 1 wt.% ZnS NSs increased ΔR/R0 to 3%, reducing changes upon cycle increments. Higher ZnS NSs levels (3–7 wt.%) resulted in ΔR/R0 exceeding 4–5%, indicating enhanced strain sensing performance. Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA) showed limited impact of ZnS NSs on the thermal properties and microstructure of the composites.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400633","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Protein-Inspired Polymers with Tunable Microphase Structures toward Autonomous Self-Healing in Aqueous Environments 具有可调微相结构的蛋白质激发聚合物在水环境中实现自主自修复

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2025-01-02 DOI: 10.1002/admi.202400703

Yanwen Hu, Yan Song, Guo Liang Li

{"title":"Protein-Inspired Polymers with Tunable Microphase Structures toward Autonomous Self-Healing in Aqueous Environments","authors":"Yanwen Hu, Yan Song, Guo Liang Li","doi":"10.1002/admi.202400703","DOIUrl":"https://doi.org/10.1002/admi.202400703","url":null,"abstract":"The self-healing of polymer materials in aqueous environments remains a significant challenge. Herein, a protein-inspired strategy for hydrophobic/hydrophilic-induced microphase separation is proposed to construct self-healing polymers in an aqueous environment. During self-healing, the hydrophobic polydimethylsiloxane microphases in the damaged region reassociate with each other owing to the presence of dynamic hydrophobic interactions underwater. In addition, the hydrophilic carboxyl groups diffuse and penetrate to form hydrogen bonds. It is found that the microphase structure and self-healing efficiency can be adjusted by regulating the hydrophobic/hydrophilic components. The self-healing efficiencies of the as-synthesized polymers in deionized water and seawater environments reach to 99.1 and 98.7%, respectively. The molecular structures of the materials are characterized using Fourier-transform infrared spectroscopy and ultraviolet-visible spectroscopy while the aggregated structure of the as-synthesized polymers is examined using small angle X-ray scattering and atomic force microscopy (AFM). This design strategy, inspired by the biological sciences, will be expected to extend the application range of synthetic intrinsic self-healing polymers, especially in aqueous environments.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 7","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400703","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143786831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanoengineering of Chitosan Sponges Via Atomic Layer Deposition of ZnO for Water Remediation Technologies 基于ZnO原子层沉积的壳聚糖海绵纳米工程水修复技术

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-31 DOI: 10.1002/admi.202400831

Sara Lotito, Domenico Cignolo, Jennifer Gubitosa, Gianni Barucca, Paolo Mengucci, Marinella Striccoli, Fabio Palumbo, Pinalysa Cosma, Paola Fini, Sapia Murgolo, Vito Rizzi, Francesco Fracassi, Antonella Milella, Alberto Perrotta

{"title":"Nanoengineering of Chitosan Sponges Via Atomic Layer Deposition of ZnO for Water Remediation Technologies","authors":"Sara Lotito, Domenico Cignolo, Jennifer Gubitosa, Gianni Barucca, Paolo Mengucci, Marinella Striccoli, Fabio Palumbo, Pinalysa Cosma, Paola Fini, Sapia Murgolo, Vito Rizzi, Francesco Fracassi, Antonella Milella, Alberto Perrotta","doi":"10.1002/admi.202400831","DOIUrl":"https://doi.org/10.1002/admi.202400831","url":null,"abstract":"Low-cost, millimeter-thick chitosan-based sponges are engineered with zinc oxide (ZnO) using atomic layer deposition (ALD) to create a multifunctional nanocomposite for the potential application in water remediation and self-regeneration via solid-state photocatalysis. Initially, non-porous chitosan films served as control samples to study the ZnO growth mechanism and its impact on the biopolymer's optical and chemical properties. Subsequently, porous chitosan sponges are engineered to further explore the photocatalyst growth and infiltration into the porous matrix. The characterization of the chitosan/ZnO hybrid material is performed using spectroscopic ellipsometry, X-ray photoelectron spectroscopy, UV–vis, photoluminescence, and infrared spectroscopy, analyzing the effect of varying the number of ALD cycles, resulting in different ZnO thicknesses in the range of 5–30 nm on the chitosan matrix. A reaction-limited growth model is found and strong interactions between ZnO and chitosan amino groups significantly enhance the stability in water and impart photocatalytic features. Adsorption tests using Direct Blue 78 dye demonstrated high removal efficiency, with capacities up to 2000 mg g−1, surpassing pristine chitosan sponges, which degrade in water. Electrostatic interactions between dye sulfonate groups and protonated chitosan amino moieties are identified as key to this performance. Preliminary photocatalytic experiments using Naproxen confirms the ZnO-coated sponges' ability to degrade pollutants, showcasing ALD as a key technology for producing bio-based, photoactive materials for sustainable water treatment.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 9","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400831","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143914687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Controlled Stratification and Assembly of Cellulose Nanocrystals in Polymeric Films Toward Optically Active Coatings 纤维素纳米晶体在聚合物膜中的可控分层和组装，用于光学活性涂层

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-31 DOI: 10.1002/admi.202400608

Farid Khelifa, Heike M. A. Ehmann, Abderrahman Lamaoui, Mathieu Surin, Jenifer Rubio-Magnieto, Philippe Dubois, Youssef Habibi

{"title":"Controlled Stratification and Assembly of Cellulose Nanocrystals in Polymeric Films Toward Optically Active Coatings","authors":"Farid Khelifa, Heike M. A. Ehmann, Abderrahman Lamaoui, Mathieu Surin, Jenifer Rubio-Magnieto, Philippe Dubois, Youssef Habibi","doi":"10.1002/admi.202400608","DOIUrl":"https://doi.org/10.1002/admi.202400608","url":null,"abstract":"Nature's most brilliant hues arise from the interaction of light with multilayered- structures of aligned building blocks. Mimicking this hierarchical organization in highly-ordered thin films of liquid crystalline species has attracted increasing attention for potential applications in sensors and optical switching displays. Due to its intriguing ability to organize into optically active materials, cellulose nanocrystals (CNCs) are attracting a strong interest in the scientific community. This study demonstrates that the shear-driven convective assembly technique can be used to stratify in a controlled fashion highly ordered multilayers of rod-like CNC embedded in a protective hydrophobic polymer matrix leading to optically active thin films. The films remain fully transparent even after stratifying 50 layers. Atomic force microscopy analysis reveals that over 87% of the CNCs in the upper layer aligned within ±20° of the withdrawal direction. Notably, the stratification does not disrupt the organization of the underlying layers. The films exhibit strong selective reflections with uniform and intense colors, dependent on the number of stratified layers. This scalable appraoch enables precise control over the optical characteristics of CNC-polymer composite films, presenting opportunities for environmentally friendly applications in pigment-free coatings, security papers, and optical devices.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 7","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400608","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Bilayer Micro/Nanostructured Water-Based Paint With Effective Thermal Insulating and Reflective Properties 一种具有有效隔热和反射性能的双层微纳米结构水性涂料

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-31 DOI: 10.1002/admi.202400859

Antonino Caputo, Federico Olivieri, Roberto Avolio, Irene Bonadies, Rachele Castaldo, Mariacristina Cocca, Maria Emanuela Errico, Maurizio Avella, Gennaro Gentile

{"title":"A Bilayer Micro/Nanostructured Water-Based Paint With Effective Thermal Insulating and Reflective Properties","authors":"Antonino Caputo, Federico Olivieri, Roberto Avolio, Irene Bonadies, Rachele Castaldo, Mariacristina Cocca, Maria Emanuela Errico, Maurizio Avella, Gennaro Gentile","doi":"10.1002/admi.202400859","DOIUrl":"https://doi.org/10.1002/admi.202400859","url":null,"abstract":"In this work, the design, optimization and characterization of a new bilayer painting system is reported. The underlying layer is engineered to provide exceptional thermal insulation to the paint through the synergistic effect of hollow perlite microspheres and micrometer-sized cellulose particles incorporated in an acrylic matrix. The external painting layer is a nanocomposite coating composed of an acrylic matrix containing titania nanoparticles, designed to induce the formation of a homogeneous and glossy surface with high reflectance in the Visible (Vis) spectrum as well as in the near-Infrared (NIR) segments NIR-I and NIR-II. Both layers are obtained using an eco-friendly, water-based commercial acrylic matrix. The bilayer painting system is characterized in terms of viscosity of the polyacrylate/fillers mixtures, thermal conductivity, wettability and UV/Vis/NIR reflectance. Moreover, morphological and thermogravimetric analysis are also performed. The obtained results well evidence the effectiveness of the proposed system to develop new thermal paints able to significantly improve the energy efficiency of buildings.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 10","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400859","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Coverage Contact Control of Benzoxazole-Based SAMs to Enhance the Operational Performance of Perovskite Nanocrystal Light–Emitting Diodes 苯并恶唑基SAMs覆盖接触控制提高钙钛矿纳米晶发光二极管工作性能

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-30 DOI: 10.1002/admi.202400884

Alexis Villanueva-Antolí, Laia Marín-Moncusí, Carlos E. Puerto-Galvis, Rafael S. Sánchez, Jorge Simancas, Eva M. Barea, Jhonatan Rodriguez-Pereira, Carina Pareja-Rivera, Andrés F. Gualdrón-Reyes, Emilio Palomares, Eugenia Martínez-Ferrero, Iván Mora-Seró

{"title":"Coverage Contact Control of Benzoxazole-Based SAMs to Enhance the Operational Performance of Perovskite Nanocrystal Light–Emitting Diodes","authors":"Alexis Villanueva-Antolí, Laia Marín-Moncusí, Carlos E. Puerto-Galvis, Rafael S. Sánchez, Jorge Simancas, Eva M. Barea, Jhonatan Rodriguez-Pereira, Carina Pareja-Rivera, Andrés F. Gualdrón-Reyes, Emilio Palomares, Eugenia Martínez-Ferrero, Iván Mora-Seró","doi":"10.1002/admi.202400884","DOIUrl":"https://doi.org/10.1002/admi.202400884","url":null,"abstract":"Perovskite light–emitting diodes (PeLEDs) have emerged as a prominent topic within optoelectronic research. Despite remarkable advancements, this technology still faces challenges that must be addressed for successful commercialization. Typical device architectures employ PEDOT:PSS as hole transporting material (HTM). However, besides its expensive cost, PEDOT:PSS has been reported to cause issues with efficiency and long-term stability. Molecular self-assembled monolayers (SAMs) have arisen as potential HTMs, not just to overcome these drawbacks but to enhance the interface properties and performance of LEDs. This technology has been efficiently applied in PeLEDs, but its use in devices based on perovskite nanocrystals (PNCs) remain underexplored. In this work, two benzoxazole derivatives have been analyzed as SAMs to conform the hole selective contact in CsPbBr3 PNCs-based LEDs. The devices demonstrate improved optoelectronic properties compared to the reference composed of PEDOT:PSS, attributed to a suitable band alignment and an enhanced charge injection. Furthermore, optimizing the deposition technique of SAMs on the conducting substrate by dip- or spin-coating has allowed the preparation of efficient LEDs exhibiting external quantum efficiencies (EQEs) up to 6.8% with 300 s of operational stability. This research aims to provide extensive insights into applying SAMs to design PeLEDs with improved carrier mobility.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 10","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400884","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Removal of Natural Organic Matter Fractions by Kaolin/Fly Ash Ceramic Microfiltration Membrane in Drinking Water: Insights from a Laboratory Scale Application 高岭土/粉煤灰陶瓷微滤膜去除饮用水中天然有机物组分：实验室规模应用的见解

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-26 DOI: 10.1002/admi.202400777

Samkeliso S. Ndzimandze, Welldone Moyo, Oranso T. Mahlangu, Adolph A. Muleja, Thabo T. I. Nkambule, Alex T. Kuvarega

{"title":"Removal of Natural Organic Matter Fractions by Kaolin/Fly Ash Ceramic Microfiltration Membrane in Drinking Water: Insights from a Laboratory Scale Application","authors":"Samkeliso S. Ndzimandze, Welldone Moyo, Oranso T. Mahlangu, Adolph A. Muleja, Thabo T. I. Nkambule, Alex T. Kuvarega","doi":"10.1002/admi.202400777","DOIUrl":"https://doi.org/10.1002/admi.202400777","url":null,"abstract":"The high cost of precursor materials has hindered commercialization of ceramic membranes (CM). In this work, a microfiltration ceramic disc (≈50 mm in diameter and 4 mm thick) is prepared from low-cost materials, kaolin, and fly ash (≈67 and 26 wt.%, respectively) by pressing at 200 bar and calcining at 900 °C. Membrane characterization involved physicochemical properties, NOM removal efficiency, and fouling propensity analysis. Furthermore, the efficiency of the CM is tested on samples collected from four drinking water treatment plants (DWTPs) in KwaZulu-Natal Province of South Africa. The NOM removal efficiencies ranged from 18.5–33.4% higher than that achieved by the sand filtration step of all the DWTPs. Fluorescence excitation-emission matrix (FEEM) studies show dominance of terrestrial humic-like and fulvic-like NOM fractions in the raw water and are amenable to removal by CM at all the DWTPs (up to 64.7% higher than removal by sand filters at the respective plants). This study demonstrates the utility of ceramic membranes fabricated from rudimentary materials and presents an opportunity to upscale and retrofit the technology to target the removal of NOM fractions at conventional drinking water treatment plants.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 8","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400777","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Borophene-Based Ultrasensitive and Broadband Photodetectors 硼罗芬基超灵敏和宽带光电探测器

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-25 DOI: 10.1002/admi.202400894

Yaser Abdi, Alireza Eskandari, Zahra Alavi, Anousha Khamsavi, Mahsa Etminan, Mobina Zahedi, Masoud Taleb, Nahid Talebi

{"title":"Borophene-Based Ultrasensitive and Broadband Photodetectors","authors":"Yaser Abdi, Alireza Eskandari, Zahra Alavi, Anousha Khamsavi, Mahsa Etminan, Mobina Zahedi, Masoud Taleb, Nahid Talebi","doi":"10.1002/admi.202400894","DOIUrl":"https://doi.org/10.1002/admi.202400894","url":null,"abstract":"Photodetectors based on vertical junctions between 2D materials and silicon offer enhanced sensitivity, reduced size, and better integrability with other systems. In these detectors, 2D materials are typically grown on metallic crystalline substrates and then transferred onto silicon to form a van der Waals junction between the 2D and silicon. In this work, χ3-phase borophene is directly grown on single-crystal silicon wafers, resulting in excellent Schottky junctions between borophene and silicon. This approach eliminates impurities often introduced during the transfer process, which is commonly performed using polymethyl methacrylate, ensuring a smooth fabrication process and a reliable electrical junction. Optoelectronic measurements of the borophene-based detector on n-type silicon demonstrate high sensitivity, reaching several amps per watt across a wide wavelength range from ultraviolet to infrared. This sensitivity is approximately ten times higher than that of detectors fabricated by transferring 2D materials onto silicon. Additionally, the response times of the fabricated detector are measured at 35 µs for the rise time and 225 µs for the fall time. These exceptional results are attributed to the superior junction formed through direct borophene growth on silicon, paving the way for advanced photodetectors with enhanced light–matter interaction efficiency in integrated silicon-based circuits and technologies.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 8","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400894","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-Yield, Cost-Effective Fabrication of High-Aspect-Ratio Polyimide Microstructures for Robust Superhydrophobic Surfaces 高产量，高成本效益制造高纵横比聚酰亚胺微结构坚固的超疏水表面

IF 4.3 3区材料科学

Advanced Materials Interfaces Pub Date : 2024-12-23 DOI: 10.1002/admi.202400839

Jinpyeo Jeung, Inyeol Yun, Hyuk Park, Yoonyoung Chung

{"title":"High-Yield, Cost-Effective Fabrication of High-Aspect-Ratio Polyimide Microstructures for Robust Superhydrophobic Surfaces","authors":"Jinpyeo Jeung, Inyeol Yun, Hyuk Park, Yoonyoung Chung","doi":"10.1002/admi.202400839","DOIUrl":"https://doi.org/10.1002/admi.202400839","url":null,"abstract":"Superhydrophobic surfaces (SHS), with their exceptional water-repellent properties, have attracted great interest due to their versatile applications. The robustness of SHS has emerged as an essential issue for practical applications, as SHS are directly exposed to various harsh environments, such as continuous raindrop impact, corrosive media, and extreme temperatures. Polyimide (PI) is an ideal candidate for robust SHS due to its superior mechanical, thermal, and chemical properties. However, the low processability of PI in surface microstructuring has limited its application in SHS. In this study, a high-yield and cost-effective fabrication method for constructing high-aspect-ratio PI microstructures has been developed by controlling the template surface treatment, precursor molecular weight, and vacuum process. This approach achieves an exceptional yield rate of 99.8% and an aspect ratio of 10.7, enabling the construction of various microstructures. The SHS is demonstrated by fabricating microstructures on PI surfaces using the proposed method. The PI SHS exhibits a water contact angle of up to 162° and a roll-off angle of less than 9°. The water repellency withstands 100 tape peeling tests and remains stable after continuous exposure to temperatures up to 250 °C and various chemical reagents for 60 days, which presents excellent robustness against environmental factors.","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 10","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400839","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0