Capacitors Based on Polypyrrole Nanowire
Characterization as a capacitor revealed that the nanowire structure enhances key parameters such as specific capacitance with 60 times greater value than bulk polymer
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors: Higher Voltage and Reduced Volume . 用于MnO2纳米线电容器的凝胶电解质的附带优势：更高的电压和更小的体积
Sci-Hub | RF Characterization of Vertical Wrap-Gated InAs/High
Wu, J., Jansson, K., Babadi, A. S., Berg, M., Lind, E., & Wernersson, L.-E. (2016). RF Characterization of Vertical Wrap-Gated InAs/High-$kappa $ Nanowire Capacitors.
Nanowire Capacitors: Higher Voltage; Reduced Volume Collateral
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors: Higher Voltage; Reduced Volume Mya Le Thai,† Shaopeng Qiao, ‡Rajen K. Dutta, Gaurav Jha,† Alana Ogata,† Girija Thesma Chandran, †and Reginald M. Penner∗, †Department of Chemistry, University of California, Irvine, CA 92697
Collateral Advantages of a Gel Electrolyte for MnO 2 Nanowire
Symmetrical, Au@δ-MnO 2 nanowire "sandwich" capacitors were prepared by fabricating 1800 nanowire arrays on each of two glass substrates, and pressing these two layers together, using a ≈2 μm
Nb2O5 nanotubes on carbon cloth for high performance sodium
Hybrid sodiumion capacitors (SICs) bridge the gap between the supercapacitors (SCs) and batteries and have huge potential applications in large-scale energy storage. However, designing appropriate anode materials with fast kinetics behavior as well as long cycle life to match with the cathode electrodes remains a crucial challenge. Herein, Nb2O5 nanotubes and nanowire-to
Fabrication of Capacitors Based on Silicon Nanowire Arrays Generated by
1 Fabrication of Capacitors Based on Silicon Nanowire Arrays Generated by Metal-Assisted Wet Chemical Etching By Wen Zheng B.S. Department of Chemistry, Tsinghua University (2010)
RF Characterization of Vertical Wrap-Gated InAs/High-$kappa $ Nanowire
Anomalous high capacitance in a coaxial single nanowire capacitor; Self-assembled nanowire array capacitors: capacitance and interface state profile; Modelling and design of high performance capacitors for CPW multi-chip modules; Capacitor balance in a five-level based halfbridge converter by use of a mixed active-cell
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors
Recently we demonstrated that symmetric, all Au@δ-MnO2 core@shell nanowire capacitors can achieve cycle stability to 100 000 cycles and beyond in a poly(methyl
Oxide-coated silicon nanowire array capacitor electrodes in room
capacitors A B S T R A C T performance of Si nanowire arrays for capacitor electrodes in ionic liquid [Bmim][NTf 2], is obtainedbyspin-on-doping the nanowires followedbyhot,concentrated nitric acid oxidation. n-and p-type Si nanowire arrays are fabricated via a 2-step metal-assisted chemical etch process to increase the effective surface area.
Nanowires-based high-density capacitors and thinfilm power
The second part of the paper describes nanowire synthesis and a novel fabrication process for nanowire-electrode capacitors, and their characterization. Results indicate that nanowires enable a major breakthrough in thinfilm capacitors with ultrahigh volumetric capacitance densities of about 100 μF /mm 3, 10X higher than all current capacitor technologies including trench,
MnCo2O4 Nanosheet/NiCo2S4 Nanowire Heterostructures as
MnCo2O4 Nanosheet/NiCo2S4 Nanowire Heterostructures as Cathode Materials for Capacitors ACS Applied Nano Materials ( IF 5.9) Pub Date : 2021-02-16, DOI: 10.1021/acsanm.1c00001
Nanowires-based high-density capacitors and thinfilm power
This paper explores silicon nanowire technology for ultrathin high-density capacitors, supercapacitors and batteries. Development of such thin power components
Anomalous high capacitance in a coaxial single nanowire capacitor
value calculated based on a classic cylindered capacitor model. Remarkable capacitance density as high as 143 µF cm−2 is found for such nanowire capacitors, exceeding previously reported values of M-I-M micro/nano-capacitors2–5 with capacitance densities rang-ing from 2.5 to 100 µF cm−2. The Cu-Cu 2O-C nanowires also
Four-dimensional spectral low-loss energy-filtered transmission
We show the potential of low-loss energy filtered transmission electron microscopy combined with tomography for four-dimensional structural characterization of nanowire-based capacitors. This method allows reconstructing local low-loss spectra within the whole device giving access to the chemical distribution. We used this capability to extract
Capacitors Based on Polypyrrole Nanowire
The electrochemical polymerization of polypyrrole nanowires is carried out using potentiodynamic and galvanostatic methods in order to enhance the performance of
Self-assembled nanowire array capacitors: capacitance and
the nanowire array capacitor is an effective platform for studying the electronic properties of nanoscale interfaces. This approach provides a useful and efficient metrology for the study of the physics and device properties of nanoscale metal–oxide–semiconductor structures. Keywords: nanowire array, capacitance, interface states, MOS
Self-supported, additive-, and binder-free CuS nanowire array for
Na-ion capacitors are considered to be one of the most promising energy storage devices due to its low cost, safe, highly abundance in nature and comparable
High Capacitance Silicon Nanowire Array Electrodes
deep level traps in Si nanowire array electrodes," IEEE Transactions on Nanotechnology, vol. 17, no. 1, pp. 154-160, 2018. [2] F. Konstantinou, A. Shougee, T. Albrecht and K. Fobelets, "TiO2 coated Si nanowire electrodes for electrochemical double layer capacitors in room temperature ionic liquid," Journal of
Fabrication of ZnO/HfO 2 /ZnO nanowire capacitors by MOCVD
Fabrication of ZnO/HfO 2 /ZnO nanowire capacitors by MOCVD Abstract: Nonvolatile ferroelectric random access memory (FeRAM) is a promising candidate for internet of things (IOT) because of extremely low power consumption. However, its high integration has not been achieved yet owing to a difficulty in downscaling of the memory cell including
Fabrication of Silicon Nanowire Metal-Oxide
Silicon nanowire (SiNW) metal-oxide-semiconductor (MOS) capacitors with Al2O3/TiO2/Al2O3 (ATA) stacked dielectric films were fabricated by metal-assisted chemical etching (MACE) and atomic layer
Micro-capacitor with vertically grown silver
It was found that the micro-capacitor based on the silver nanowires/bismuth ferric oxide composite film possessed higher capacitance by approximately one order of
High-Energy MnO2 Nanowire/Graphene and Graphene
In order to achieve high energy and power densities, we developed a high-voltage asymmetric electrochemical capacitor (EC) based on graphene as negative electrode and a MnO 2 nanowire/graphene composite (MGC) as positive electrode in a neutral aqueous Na 2 SO 4 solution as electrolyte. MGC was prepared by solution-phase assembly of graphene sheets
Asymmetric hybrid capacitor based on Co3O4 nanowire
In this work, Co3O4 nanowires grown on Ni foam have been synthesized through a facile hydrothermal approach, revealing large capacity of 310.4 C g−1 and superior cycling stability of 80.3% capacity retention after 6000 cycles. The asymmetric supercapacitors were fabricated based on Co3O4//AC device, which delivers an energy density of 0.4 mWh
A flexible hybrid capacitor based an NiCo2S4
A flexible hybrid capacitor based an NiCo 2 S 4 nanowire electrode with an ultrahigh capacitance T. Xia, Y. Liu, M. Dai, Q. Xia and X. Wu, Dalton Trans., 2021, 50, 4045 DOI: 10.1039/D0DT04381H
US20230230776A1
US20230230776A1 US18/077,052 US202218077052A US2023230776A1 US 20230230776 A1 US20230230776 A1 US 20230230776A1 US 202218077052 A US202218077052 A US 202218077052A US 2023230776 A
Measuring the Capacitance of Individual Semiconductor
Capacitance−voltage characteristics of individual germanium nanowire field effect transistors were directly measured and used to assess carrier mobility in nanowires for the first time, thereby removing uncertainties in calculated mobility due to device geometries, surface and interface states, and gate dielectric constants and thicknesses. Direct experimental evidence showed
High-Performance Sodium-Ion Pseudocapacitors
Hybrid asymmetric capacitors incorporating the V 2 O 5 /CNT nanowire composites as the anode operated at a maximum voltage of 2.8 V and delivered a maximum energy of ∼40 Wh kg –1, which is comparable to Li-ion
ZnCo2S4 nanowire electrode enables long-life electrochemical
Herein, we synthesize ZnCo 2 S 4 nanowire structures by a simple hydrothermal approach. The as-obtained electrode reaches a specific capacity of 934.5 C g −1 at 1 A g −1
Self-assembled nanowire array capacitors: capacitance and
Figure 3 shows the capacitance–voltage (C−V) and conductance–voltage (G−V) characteristics of a typical SiNW array capacitor C 1 (80, 3 μm) at 1 kHz with a gate voltage varying from −4.0 to 4.0 V. By inspecting the nanowire capacitors under the SEM, we have estimated that each gate electrode line covers about 900–1000 SiNWs on average.
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors
This article is cited by 4 publications. Zhuang Wang, Jianmin Gu, Siheng Li, Guang Cong Zhang, Jinling Zhong, Xiaoyong Fan, Deling Yuan, Shoufeng Tang, Debao Xiao. One-Step Polyoxometalates-Assisted Synthesis of Manganese Dioxide for Asymmetric Supercapacitors with Enhanced Cycling Lifespan.
Multifunctional CuO nanowire embodied structural supercapacitor
Structural supercapacitors based on CuO-nanowire–decorated WCF were designed and fabricated using VARTM, an effective and eco-friendly process. The surface
Hierarchical Mo-decorated Co3O4 nanowire arrays on
Herein, we report the synthesis of hierarchical small quantity Mo-decorated Co 3 O 4 nanowire arrays on nickel foam substrates by a powerful two-step solution-based method. The "oriented attachment" and " self-assembly " crystal growth
Multifunctional CuO nanowire embodied structural supercapacitor based
Preparation of the CuO nanowire–WCF/polyester composite capacitor. The capacitor samples were prepared using vacuum-assisted resin transfer molding (VARTM) [23]. In this process, the CuO nanowire–embedded WCF and WGF samples were placed inside the vacuum chamber. Basically, the structural supercapacitor consists of two activated carbon
Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors
@article{osti_1388235, title = {Collateral Advantages of a Gel Electrolyte for MnO2 Nanowire Capacitors: Higher Voltage and Reduced Volume}, author = {Le Thai, Mya and Qiao, Shaopeng and Dutta, Rajen K. and Jha, Gaurav and Ogata, Alana F. and Chandran, Girija Thesma and Penner, Reginald M.}, abstractNote = {Recently we demonstrated that
6 FAQs about [Nanowire capacitors]
Can a single nanowire capacitor miniaturize multiple-component devices?
Building entire multiple-component devices on single nanowires is a promising strategy for miniaturizing electronic applications. Here we demonstrate a single nanowire capacitor with a coaxial asymmetric Cu-Cu 2 O-C structure, fabricated using a two-step chemical reaction and vapour deposition method.
What is the capacitance of a nanowire device?
The capacitance measured from a single nanowire device corresponds to ~140 μF cm −2, exceeding previous reported values for metal–insulator–metal micro-capacitors and is more than one order of magnitude higher than what is predicted by classical electrostatics.
What is the capacitance density of nanowire capacitors?
Remarkable capacitance density as high as 143 μF cm −2 is found for such nanowire capacitors, exceeding previously reported values of M-I-M micro/nano-capacitors 2, 3, 4, 5 with capacitance densities ranging from 2.5 to 100 μF cm −2.
How is a metal-insulator-carbon coaxial nanowire capacitor made?
In conclusion, we have demonstrated the synthesis and properties of a metal-insulator-carbon coaxial nanowire capacitor (Cu-Cu 2 O-C) made using a simple two-step chemical reaction and vapour deposition process. The multiple components in the structure were clearly identified by HRTEM, EELS and elemental mapping.
Are carbon fiber supercapacitors based on metal oxide nanowires?
Previous researchers developed multifunctional structural supercapacitors using carbon fiber electrodes . Others have used woven carbon fiber (WCF) sizing with carbon nanotubes and monolithic carbon aerogels , but WCF supercapacitors based on metal oxide nanowires have yet to be reported.
Why is a coaxial nanowire capacitor more flexible than anodic aluminum oxide templates?
This is due to the frangibility of anodic aluminum oxide templates. Whereas a direct growth of similar structures may be much easier to integrate into flexible substrate, micro/nano-electromechanical system 8, 9, lab-on-a-chip device 10 and so on. Here we demonstrate a single Cu-Cu 2 O-C (metal-insulator-carbon) coaxial nanowire capacitor.