MICROELECTRONIC ENGINEERING
·
2024
·
IF 2.6
Xubin Guo,Huan Chen,Haihua Wang,Dong Wang,Qianqian Wang,Wenbing Kang
Transparent conductive films (TCFs) that converge high transmittance and high conductive properties are essential for many optoelectronic devices, and efforts have been made to acquire films with high transmittance as well as low resistance of the thin layer by low-cost means. Here, we introduce a novel and simple strategy for the controlled in-situ templated synthesis of a transparent conductive metal mesh by utilizing the good reducibility to silver ions of the patterned tannic acid (TA)-based photoresists. To achieve this, mesh patterns with tunable line width were first printed using the TA-based negative photoresists by laser direct writing equipment. Within the patterned domains, the phenolic hydroxyl groups could interact with metal ions and act as reducing agents, thus accelerating the in-situ growth of silver nanoparticles to fabricate silver grids. By changing the line width of the designed patterns and the PH of the plating solution, the metal grids with a high transmission ( T ) of 91.5% and a thin-layer resistance ( R s ) as low as 4.15 Ω sq. −1 are ultimately achieved after annealing treatment. Our description demonstrates a simple and effective approach that is potentially scalable to other materials as well.
研究领域:
材料科学
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
Advanced Materials Technologies
·
2019
·Vol. 4
·期 8
·1900056
·
IF 5.395
Guanping Dong,Sai Liu,Minqiang Pan,Guofu Zhou,Jun-Ming Liu,Krzysztof Kempa,Jinwei Gao
While metallic networks, proposed recently as a replacement for transparent conducting oxides, show superior optoelectronic performance and mechanical flexibility, their adhesion to flexible substrates remains a problem. In this work, a high adhesion metallic network inspired by the ground-gripping functionality of bamboo roots is developed. This network shows not only excellent optoelectronic performance but also superb adhesion to flexible substrates could be beneficial for flexible electronics.
研究领域:
材料科学
·
纳米技术
·
仿生学
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2019
·
IF 8.456
Chao Fu,Lin Gu,Zhixiang Zeng,Qunji Xue
Phytic acid (PA), which is a natural and innoxious plant constituent, can strongly adsorb on the metal surface because of its six phosphate groups. In this work, based on the chelating properties of PA and the reaction between PA and hydrolyzable vinyltriethoxysilane (VTES), we developed a novel and facial strategy to generate hierarchical-layer nanospheres on the metal mesh surface and fabricated robust superhydrophobic and superoleophilic miniature metal mesh ships. Because of their superwetting properties, the modified meshes could easily remove and recycle the oil spills from the water surface (>90% collection efficiency), and have high oil/water separation capacity (>96%). The excellent stability, corrosion resistance, and robust mechanical durability endow the modified mesh ships with more advantages in a marine environment. We envision that these superhydrophobic meshes modified with PA and VTES are sustainable, environmentally friendly, and easy to scale up and hence display great potential in practical application.
研究领域:
材料科学
·
环境科学
·
表面工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2022
·
IF 5.518
Ran Wang,Lei Zhu,Xu Zhu,Zechen Yan,Fujun Xia,Jianqiang Zhang,Xilu Liu,Jinping Yu,Qingzhong Xue
In recent years, crude oil-spill accidents released millions of tonnes of crude oil into the environment worldwide. Oily wastewater has persistent harmful influences on the marine environment and animal health. It is essential to dispose of crude-oil contained wastewater. The high adhesion of crude oil is easy to adhere to the surface of separation materials, and traditional separation equipments always become invalidation when used for treating the oily wastewater containing crude oil. To solve this problem, we have successfully prepared super-hydrophilic chitosan hydrogel coated metal mesh (CS-SSM) via a simple coating method and the cross-linking reaction of chitosan and glutaraldehyde , which exhibits robust anti-high viscous crude oil-fouling performance. The super-hydrophilic CS-SSM showed excellent separation performance for various oil/water mixtures, and the separation efficiency and flux for the high viscous crude oil/water mixture exceed 99.99% and 12,000 L·m −2 ·h −1 respectively. Moreover, the molecular dynamics simulation clarified that the chitosan hydrogel coating the surface of metal mesh can dramatically decrease the interaction between crude oil molecules and metal mesh, resulting in the robust anti-high viscous crude oil-fouling performance for CS-SSM. In addition, the oil skimmer fabricated with the super-hydrophilic CS-SSM was demonstrated to effectively deal with large-area spills of crude oil.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
Flexible and Printed Electronics
·
2022
·Vol. 7
·期 2
·025001
·
IF 3.768
Wenjing He,Chenchao Huang,Xinzhou Wu,Wenming Su,Zheng Cui
Electrochromic (EC) smart windows with transparency-tuning capability can provide buildings with effective sun-shading and privacy to occupants at low energy consumption. The essential requirements to EC windows are fast response, dynamic tunability and low-cost. Recent development in all-in-one electrochromic devices (ECDs) which combines electrolyte, EC and ion storage functions in a single gel has the advantage of single layer structure and can be manufactured in large areas at low cost. However, the coloring voltage and time of all-in-one ECDs can be influenced by the viscosity of active gel. By raising the working temperature, the ECD may have faster response time and lower coloring voltage due to reduced gel viscosity. To enable high working temperature, a high conductivity and high transparency metal-mesh heating film was integrated to an EC window glass. The coloring performance of the EC window was investigated at different heating temperatures compared to its room temperature performance. It was found that working at 70 °C the coloring efficiency was doubled and the response speed of the device is five times faster than that at room temperature. The integrated metal-mesh heating film also brought added benefits such as defog and defrost for car windshield.
研究领域:
材料科学
·
能源技术
✓ 已验证
DOI
高影响因子
CARBON
·
2025
·
IF 11.6
Xiao Chen,Jinjie Lin,Yuhao Feng,Keke Chen,Mulin Qin,Shenghui Han,Yu Jiang,Zhenghui Shen,Yang Li
The pivotal attributes of high light absorption and thermal conductivity are paramount for initiating photothermal conversion and storage within phase change materials (PCMs). However, previous photothermal initiators predominantly harness single- or dual-dimensional hybrid frameworks, the exploration of multidimensional engineering design remains scarce. Herein, we constructed multidimensional heterogeneous carbon-metal interconnected network integrating three-dimensional carbon foam (CF), one-dimensional carbon nanotubes (CNTs), and zero-dimensional Co nanoparticles via in-situ chemical synthesis and high-temperature carbonization protocols. This obtained hierarchical heterogeneous carbon-metal hybrid, when endowed with phase change properties via stable encapsulation of PCMs, exhibits remarkable thermal energy storage without liquid leakage and photothermal conversion capacity. The integration of localized surface plasmon resonance-active Co nanoparticles and photophilic CF/CNTs carbon hybrid confers excellent broadband full-spectrum sunlight absorption to composite PCMs. The cobalt-catalyzed interconnected multidimensional carbon-metal network with low interfacial thermal resistance facilitates fast transport of photons and phonons in composite PCMs. Resultantly, carbon-metal hybrid based composite PCMs synergistically yield an ultrahigh photothermal conversion efficacy of 97.07 %, a stable high voltage output of 246.9 mV, and robust cyclic operational stability. Our proposed multidimensional engineering design strategy offers new insights into the development of next-generation high-performance photothermal PCMs.
研究领域:
材料科学
·
能源工程
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
MARINE POLLUTION BULLETIN
·
2016
·
IF 3.099
Botao Song
Superhydrophobic metal wire mesh (SMWM) has frequently been applied for the selective and efficient separation of oil/water mixture due to its porous structure and special wettability . However, current methods for the modification of metal wire mesh to be superhydrophobic suffered from problems with respect to complex experimental procedures or time-consuming process. In this study, a very simple, time-saving and single-step electrospray method was proposed to fabricate SMWM and the whole procedure required about only 2 min. The morphology, surface composition and wettability of the SMWM were all evaluated, and the oil/water separation ability was further investigated. In addition, a commercial available sponge covered with SMWM was fabricated as an oil adsorbent for the purpose of oil recovery. This study demonstrated a convenient and fast method to modify the metal wire mesh to be superhydrophobic and such simple method might find practical applications in the large-scale removal of oils.
研究领域:
材料科学
·
环境工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
iScience
·
2024
·
IF 4.6
Yongmao Guan,Liqing Yang,Chao Chen,Rui Wan,Chen Guo,Pengfei Wang
Crack pattern-based metal grid film is an ideal candidate material for transparent electromagnetic interference shielding optical windows. However, achieving crack patterns with narrow grid spacing, small wire width, and high connectivity remains challenging. Herein, an aqueous acrylic colloidal dispersion was developed as a crack precursor for preparing crack patterns. The ratio of hard monomers in the precursor, the coating thickness, and the drying mediation strategy were systematically varied to control the spacing and width of the crack patterns. The resulting dense and narrow crack patterns served as sacrificial templates for the fabrication of patterning metal grid films on transparent substrates, intended for optoelectronic applications. These films demonstrated excellent optoelectronic properties (82.7% transmission at 550 nm visible light, sheet resistance 4.1 Ω/sq) and strong EMI shielding effectiveness (average shielding effectiveness 33.6 dB at 1–18 GHz), showcasing their potential as a scalable and effective transparent EMI shielding solution.
研究领域:
材料科学
·
纳米技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
DALTON TRANSACTIONS
·
2022
·Vol. 51
·期 25
·9681-9688
·
IF 4.569
Yucheng Dong,Shan Ji,Hui Wang,Vladimir Linkov,Rongfang Wang
Metal substrates are frequently used as current collectors and supports for electrochemically active materials, but their effect on the physical and electrochemical performance of electrocatalysts is rarely investigated. In this study, the electrodeposition method was used to coat four different metal meshes with three-dimensional nickel porous structures using hydrogen bubbles as a template. The significant influence of the metal substrates on the morphology of deposited nickel was demonstrated. 3D porous structures formed on nickel, iron, copper, and titanium meshes via the hydrogen bubble template method varied significantly. It was found that differences in the physical adsorption of hydrogen and electrochemical hydrogen evolution on metal substrates are the fundamental reasons behind the diverse morphology of the coatings. Lattice matching of the substrate and the active material also plays an important role during the electrodeposition process. Electrocatalytic performance of the newly prepared materials in water electrolysis was evaluated using the hydrogen and oxygen evolution reactions (HER and OER). The results demonstrate the high electrocatalytic activity of Ni/FeM in the OER and HER, and the good stability of Ni/TiM in HER.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
Applied Materials Today
·
2020
·
IF 8.352
Xinzuo Huang,Fenghua Zhang,Jinsong Leng
The current electroactive shape memory polymer composites (SMPCs) show low electric heating efficiency, and the transparency of the matrix is seriously damaged by the conductive fillers. In this work, transparent metal mesh is used to replace the conductive fillers to construct a conductive network for electrical actuation for the first time. The self-cracking aluminum mesh is embedded in the transparent shape memory polyimide film (Alm@TSMPI) by solution casting. As a new type of flexible and transparent heater, the Alm@TSMPI has advantages of fast response and high steady-state temperature. As an electric actuator, the Alm@TSMPI is active and deformable depending on its variable stiffness characteristics, and reverts to its original shape within 13 s under electric stimulation. This is the first report on an electroactive transparent shape memory polymer while maintaining light transmission. Moreover, the transition temperature of 230 °C is much higher than that of all other reported electroactive SMPCs. Furthermore, the Alm@TSMPI is attached to transparent shape memory polystyrene as a flexible transparent heater, and the deformation is triggered by electric field. According to this strategy, the Alm@TSMPI can be applied for the electrical actuation of other SMPs, extending the applications in the electric actuators.
研究领域:
材料科学
·
高分子化学
·
智能材料
✓ 已验证
产品关联
DOI
高影响因子
CARBON
·
2017
·
IF 6.337
Yu Han,Yuxuan Liu,Lin Han,Jie Lin,Peng Jin
This work first demonstrates the improved electromagnetic interference (EMI) shielding performance of monolayer graphene on highly transparent metal-meshes of random pattern. Metal-meshes are fabricated on quartz substrate by lift-off based on self-cracking template and CVD graphene is directly transferred onto thin metal-meshes to construct the hierarchical graphene/metal-mesh film, by which considerable improvements both in microwave reflection and absorption can be realized in thin metal-meshes. The shielding effectiveness (SE) of the hierarchical film even exceeds the summation of those of the monolayer graphene and the metal-mesh film. Detailed analyses reveal that absorption dominates the improvement in SE for a graphene/50 nm Ag-mesh film, with a three-fold absorption coefficient as well as a slightly increased reflectivity compared to the Ag-mesh itself. The as-prepared hierarchical film primely inherits the excellent optical transmission properties from random-pattern metal-meshes with high transmittance in visual-IR spectrum, low haze and faint diffraction. Moreover, the chemical stability of metal-meshes is highly improved with the protection of graphene. We anticipate that the hierarchical graphene/metal-mesh film can be a promising material to play a great role in realization of high-performance EMI shielding in emerging optoelectronic devices such as touch panels, displays, airborne optoelectronic pods, and aviation camcorders.
研究领域:
材料科学
·
电子工程
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2024
·
IF 4.9
Wenyue Jiao,Zunyi Liu,Tianwen Huang,Lei Tan,Yan Hao,Yicheng Wang,Tingrui Lin,Hui Yang,Huazheng Sai
A superhydrophilic and underwater superoleophobic cellulose graft copolymer/SiO 2 coated metal mesh (CASi/M) was fabricated through a facile and cost-effective process. As-prepared CASi/M could separate different oil-water mixture with a separation efficiency higher than 99.4 % and a flux up to 26940 L·m −2 ·h −1 only driven by gravity. The reusability experiment showed that the separation efficiency still exceeded 99.2 % after 25 cycles, which displayed superior reusability. Furthermore, CASi/M displayed superior stability in corrosive liquids such as acidic, alkaline, and salty environments. This work provides new sights in the development of durable and low-cost functional materials for rapid and efficient oil/water separation.
研究领域:
材料科学
·
环境工程
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）