ADVANCED FUNCTIONAL MATERIALS
·
2023
·Vol. 33
·期 43
·2304474
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IF 19
Wenyuan Yu,Yanxuan Zhao,Wenting Sheng,Jianping Ge
Electrically responsive photonic crystals (ERPC) are promising materials for electrophoretic displays, smart windows, and tunable optical devices. However, the high working voltage limits the application of most polar ERPCs because it damages color saturation, response stability, and reversibility. Herein, an easy but general method based on the modification of electrodes with nanoparticles is developed to improve ERPC's performance. The deposition of Au, Cu, or Cu 2 O nanoparticles created nanotip structures on the electrode, which enhanced the charge injection and local electric field strength, lowered 43% of the working voltage, and increased the color saturation. Meanwhile, the lowered voltage inhibited the electrodeposition of colloidal particles and the electrochemical reaction, which also improved the stability and reversibility of the electrical response. Based on the region-selective modification of the electrode and the resulting asymmetric electrical response, an electrically triggered tag with a “pattern showing/hiding” effect is fabricated for anticounterfeiting purposes.
研究领域:
材料科学
·
光学
·
纳米技术
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产品关联
DOI
高影响因子
Journal of Materials Chemistry B
·
2020
·Vol. 8
·期 46
·10630-10636
·
IF 5.344
Xinyu Ma,Wenyan Liao,Huaxu Zhou,Yun Tong,Fei Yan,Hongliang Tang,Jiyang Liu
Herein we report a simple and rapid approach to fabricate a vertically-ordered mesoporous silica–electrochemically reduced graphene oxide nanocomposite film (VMSF/ErGO) on an indium tin oxide (ITO) electrode surface by the electrochemically-assisted self-assembly (EASA) method, which is capable of greatly promoting the electroanalytical performance of rutin compared to the previously reported VMSF modified ITO electrode and, meanwhile, displaying excellent anti-fouling and anti-interference ability in pharmaceutical formulations and human serum. Due to the excellent electrocatalytic activity of ErGO and the synergistic enrichment effects from the π–π interaction of ErGO and the hydrogen bond effect from the VMSF, the present VMSF/ErGO/ITO sensor is able to detect rutin with a wide linear range, a high sensitivity and a low limit of detection. Moreover, the VMSF/ErGO/ITO electrode could retain the high sensing performance with high transmittance upon tailoring the concentration of the modified graphene oxide (GO), which provides a simple approach for modifying transparent ITO electrodes and could be potentially used for optoelectronic devices.
研究领域:
分析化学
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生物医学工程
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药物分析
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DOI
高影响因子
ACS Applied Nano Materials
·
2025
·
IF 5.5
Yu Zhang,Jiaqi Xu,Mengyao Wei,Liren Wu,Dalong Ge,Feiyang Xu,Jinbo Ming,Yuanbin Qin,Seeram Ramakrishna,Fengyun Wang
Real-time, reliable, and continuous monitoring of tactile signals is essential for the development of future human–machine interfaces. However, the weak tactile signals (such as pulses) and vast monitoring data propose significant challenges for traditional perceptual monitoring systems. Inspired by skin tactile perception, a neuromorphic physiological signal processing system is proposed by integrating indium tin oxide (ITO) nanowire synaptic transistors and biohydrogels. The external tactile information can be converted to electrical signals by a highly sensitive array of hydrogels. These electrical signals are then processed and transmitted through the ITO nanowire synaptic transistors, enabling precise sensing and analysis of complex tactile information. This system demonstrates significant potential for a wide range of applications, including but not limited to Braille recognition, where it can enable precise tactile feedback and interaction for individuals with visual impairments. Furthermore, it offers a versatile platform for the real-time acquisition, monitoring, and processing of physiological signals such as those related to muscle activity, heart rate, or neural responses. This work offers promising potential for next-generation intelligent healthcare monitoring, diagnosing, and treating applications.
研究领域:
神经形态电子学
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可穿戴传感器
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生物医学工程
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人工智能硬件
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柔性电子学
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产品关联
DOI
高影响因子
Journal of Materials Chemistry B
·
2021
·Vol. 9
·期 30
·5998-6005
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IF 6.331
Pan Li,Lixiang Zhang,Sheng Zhang,Chenchen Xu,Yinuo Li,Juan Qu,Shuai Li,Guojiang Mao,Hua Wang
A high-throughput and selective fluorimetric platform has been constructed for the analysis of ammonia in blood by using a polymer-stabilized metal–organic framework (MOF) of porous NH2-MIL-125, which was coated onto a wettable microwells array constructed on an indium tin oxide (ITO) substrate. It was found that the nitrogen plasma treatment for the ITO substrate could create a super-hydrophilic interface that combined with the hydrophobic pattern yielded a wettable microwells array, enabling the condensation-based enrichment of targets from the sample droplets. Moreover, the NH2-MIL-125 MOF encapsulated using polymers could be firmly coated onto the microwells to act as fluorescent probes for sensing NH3 with enhanced responses. In addition, the use of the polymer polyvinyl pyrrolidone could protect and stabilize the crystals of NH2-MIL-125 probe in aqueous media, revealing the improved hydrophilicity and significantly depressed signal background. The as-developed fluorimetric platform, containing a MOF-coated microwells array, can enable the detection of ammonia in blood, with concentrations ranging linearly from 0.10 to 300 μM. More importantly, this plasma treatment-based fabrication route may hold promise for designing different wettable microwells arrays for the high-throughput detection of multiple targets in the fields of biomedical analysis and environmental monitoring.
研究领域:
生物医学分析
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环境监测
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材料科学
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产品关联
DOI
PubMed
高影响因子
Environmental Science-Nano
·
2019
·Vol. 7
·期 2
·554-570
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IF 7.704
Xinrui You,Chunyu Huang,Wei Huang,Guoyue Shi,Jingjing Deng,Tianshu Zhou
In this work, we have developed a novel method for preparing a CoOx/GO catalyst supported on ITO glass by electrochemical post-treatment of redox-active infinite coordination polymer (ICP) {Co(3,5-dbsq)(3,5-dbcat)(bix)} nanoparticles. Firstly, highly dispersed CoOx nanoparticles with ultra-small size and narrow size distribution (1.42 ± 0.34 nm) were in situ synthesized on ITO glass after electrochemical polarization of ICP coated on ITO glass at −1.1 V for 16.7 min (1000 s) in 0.10 mol L−1 KCl. Graphene oxide (GO) was next mixed with the ICP to obtain the CoOx/GO catalyst supported on ITO glass (the size of CoOx nanoparticles ranged within 1.21 ± 0.28 nm), which proved to have improved catalytic performance and enhanced stability compared to the pure CoOx. The catalytic activity of this CoOx/GO catalyst was then optimized according to the degradation efficiency of methylene blue (MB) via an advanced oxidation process in the presence of peroxymonosulfate (PMS). Under the optimal conditions here, the enhanced catalytic oxidative degradation of dye solution could be achieved easily. 100% of MB (2.0 mL, 20 mg L−1) could be decomposed within 6.7 min, which is better than other CoOx catalysts. With this kind of ITO glass as a component part, a portable reactor was constructed for the first time. Real-time monitoring of the catalytic degradation of colored wastewater from the textile and cosmetic industries was then achieved using this reactor directly by incorporating a UV/vis spectrometer, which is of great importance for information analysis and process control optimization during industrial wastewater treatment.
研究领域:
环境科学
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催化
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材料科学
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化学工程
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水处理
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产品关联
DOI
高影响因子
Micromachines
·
2022
·Vol. 13
·期 4
·498
·
IF 3.523
Jianchen Cai,Jiaxi Jiang,Jinyun Jiang,Yin Tao,Xiang Gao,Meiya Ding,Yiqiang Fan
This study proposed a fabrication method for thin, film-based, transparent, and flexible digital microfluidic devices. A series of characterizations were also conducted with the fabricated digital microfluidic devices. For the device fabrication, the electrodes were patterned by laser ablation of 220 nm-thick indium tin oxide (ITO) layer on a 175 μm-thick polyethylene terephthalate (PET) substrate. The electrodes were insulated with a layer of 12 μm-thick polyethylene (PE) film as the dielectric layer, and finally, a surface treatment was conducted on PE film in order to enhance the hydrophobicity. The whole digital microfluidic device has a total thickness of less than 200 μm and is nearly transparent in the visible range. The droplet manipulation with the proposed digital microfluidic device was also achieved. In addition, a series of characterization studies were conducted as follows: the contact angles under different driving voltages, the leakage current density across the patterned electrodes, and the minimum driving voltage with different control algorithms and droplet volume were measured and discussed. The UV–VIS spectrum of the proposed digital microfluidic devices was also provided in order to verify the transparency of the fabricated device. Compared with conventional methods for the fabrication of digital microfluidic devices, which usually have opaque metal/carbon electrodes, the proposed transparent and flexible digital microfluidics could have significant advantages for the observation of the droplets on the digital microfluidic device, especially for colorimetric analysis using the digital microfluidic approach.Keywords:digital microfluidics;lab-on-a-chip;ITO;PET
研究领域:
微流控技术
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
Surfaces and Interfaces
·
2023
·
IF 6.2
Zifeng Wen,Yue Jiang,Zhengchi Yang,Lilin Lin,Cong Li,Jiayan Liu,Xinyang Wen,Zhen Wang,Jun-Ming Liu,Jinwei Gao
Indium tin oxide coated glass (ITO) is considered as an ideal conductive substrate for the optoelectronic devices due to its high conductivity, light transmittance and chemical and thermal stability. However, its application in supercapacitors is quite limited because of the poor interfacial adhesion between ITO and electrochemically active materials. In this study, by electrochemically reducing ITO film, we have significantly enhanced the adhesion between current collectors (R-ITO) and the electrochemically active materials (MnO 2 and PEDOT) by forming In/Sn nano-particles at the R-ITO surface. The fabricated electrodes based on each material have delivered a specific capacitance over 30 mF cm −2 as well as an excellent cycling stability. Further, the obtained solid-state asymmetric supercapacitor based on R-ITO@MnO 2 and R-ITO@PEDOT electrodes gives a high operating voltage of 1.5 V, an energy density of 4.6 μWh cm −2 and a prominent stability (capacitance retention of 93.2% after 2500 cycles).
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2026
·Vol. 17
·期 1
·7562
·
IF 18.1
Zhao Rongcen,Lv Xiaotao,Lv Zepeng,Li Shaolong,Fan Yong,He Jilin,Song Jianxun
Spent indium tin oxide (s-ITO, the mass ratio of In 2 O 3 to SnO 2 is approximately 9:1) represents the main secondary resource for the rare metal indium, possessing exceptionally potential for reutilization. However, traditional hydrometallurgical or pyrometallurgical recycling methods grapple with substantial challenges, including low product purity, lengthy processes, and environmental pollution. This paper presents an electrochemical upcycling strategy for spent ITO based on charge-induced deconstruction, effectively addressing the aforementioned issues. In this approach, spent ITO serves as the anode in an aqueous electrolysis system. The number of oxygen vacancies on the ITO surface increases drastically under charge excitation, leading to weakened metal-oxygen bonds and the subsequent release of indium and tin ions into the electrolyte. These ions then migrate to the cathode, where high-purity indium tin alloy is obtained by leveraging the differences in electrochemical properties between impurity ions and the target metal ions. Notably, the electrolyte employed in this process can be reused, which significantly reduces wastewater generation. Through systematic optimization of electrolysis parameters, a cathode current efficiency of 71.12% and an energy consumption of 4.87 kWh kg −1 are achieved in a hundred-ampere scale trial, fully demonstrating the industrial applicability of this method.
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DOI
高影响因子
ELECTROCHIMICA ACTA
·
2019
·
IF 5.383
Li Wang,Xingwei Li,Gengchao Wang
An electrochemical stable conductive network is built to improve the pseudocapacitance of polyaniline . As a proof-of-concept demonstration, p olyaniline/ITO composite is synthesized by in-situ oxidation polymerization of aniline in the dispersed system of ITO nanoparticles . The electrical conductivity of the optimal polyaniline/ ITO composite is 14.42 S cm −1 , while that of contrast polyaniline is 1.88 S cm −1 . P olyaniline/ ITO coated on the oxidized carbon cloth (polyaniline/ITO@oxidized carbon cloth) displays a specific capacitance of 1505.7 mF cm −2 at a current density of 0.5 mA cm −2 , and the capacitance retention reaches 75% with a growth of the current density from 0.5 to 5 mA cm −2 , while those of polyaniline@oxidized carbon cloth are 847.9 mF cm −2 and 68.3% . It is noteworthy that the capacitance retention of polyaniline/ITO@oxidized carbon cloth symmetrical capacitor is high up to 90.1% after 2000 cycles at a current density of 1 mA cm −2 . Moreover, a high energy density of 31.18 μWh cm −2 is also attained at a power density of 0.35 mW cm −2 .
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS CHEMISTRY
·
2012
·Vol. 22
·期 18
·9019-9026
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IF 5.968
Qian Li,Kui Cheng,Wenjian Weng,Piyi Du,Gaorong Han
Uniformly dispersed and size-controllable TiO2 nanodots (TN) were directly synthesized on indium-tin-oxide (ITO) electrodes and were further utilized to immobilize horseradish peroxidase (HRP) enzyme and facilitate direct electron transfer for construction of a hydrogen peroxide (H2O2) biosensor. The enzyme adsorption ability of TN/ITO electrodes were investigated using a UV–vis spectrometer, and the results indicated that TiO2 nanodots possess better enzyme adsorption ability than TiO2 film, and this ability could be further improved by varying the mean diameter of the nanodots from 30 nm to 79 nm. The sensitivity of the H2O2 biosensors based on Nafion/HRP/TN/ITO electrodes was significantly increased by adjusting the dimension of TiO2 nanodots on the modified electrode and the sensitivity differences among these electrodes are in accord with their enzyme adsorption ability. TiO2 nanodots with the largest diameter (79 nm) on a ITO electrode had the best enzyme adsorption ability and biosensor performance with a high sensitivity of 1176 μA mM−1 cm−2 as well as a wide linear range of 1–780 μM. These results show that well-dispersed, high surface area and high curvature TiO2 nanodots could be a promising material for protein adsorption and fabrication of electrochemical biosensors.
研究领域:
生物传感技术
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材料科学
·
酶工程
✓ 已验证
DOI
高影响因子
Functional Materials Letters
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2023
·
IF 1.3
Hedong Li,Peihu Shen,Zizheng He,Yang Xu,Minjia Wang
In this study, submicron Sn 4 + -doped In 2 O 3 hollow particles (indium-tin oxide (ITO)) with a lyrium shell-like surface were synthesized via solvothermal method. The appropriate addition of these particles into polyvinylidene fluoride (PVDF) films exhibits high visible light transmission and effective UV/IR blocking properties, surpassing those of ITO nanoparticles. This can be attributed to the reduced absorption of UV/IR radiation by the hollow ITO particles, as well as their higher diffuse reflectivity and thermal insulation.
研究领域:
材料科学
·
纳米技术
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光学材料
·
隔热
✓ 已验证
DOI
高影响因子
MEASUREMENT
·
2022
·
IF 5.131
Xinyu Chang,Xingyue Wen,Danheng Gao,Meng Luo,Pingping Teng,Zheng Zhu,Jianzhong Zhang,Kang Li,Nigel Copner,Xinghua Yang
In this paper, an integrated optical fiber optoelectrode based on Fabry–Perot (F-P) cavity functionalized by ITO is first proposed to simultaneously realize the function of electrochemical working electrode and the function of fiber sensing. In the experimental prototype, the redox reaction of K 3 [Fe(CN) 6 ] system in electrochemical reaction was token as an example. Simultaneous monitoring of the electrochemical and optical responses of the optoelectrode at different scan rates is discussed. The results show that the electrochemical behavior of K 3 [Fe(CN) 6 ] and K 4 [Fe(CN) 6 ] on the surface of the F-P-ITO optoelectrode can be successfully monitored. As the electrochemical process proceeds, local refractive index changes around the optical fiber F-P-ITO optoelectrode dominated by diffusion control will induce an obvious shift in the interference spectrum. Significantly, this novel structure of integrated F-P optoelectrode functionalized by conductive ITO based on fiber interferometer has great potentials in the fields of electrochemistry systems and biomedical applications.
研究领域:
生物医学工程
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材料科学
·
光学传感
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产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）