Self-healing on mismatched fractured composite surfaces of SiC with a diameter of 180 nm

Zhang, Zhenyu; Liu, Dongdong; Huo, Fengwei; Huang, Siling; Cui, Junfeng; Lu, Yao; Parkin, Ivan P.; Guo, Dongming

doi:10.1039/d0nr04127k

Cited by 3 publications

(2 citation statements)

References 35 publications

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“…Lu et al grew carbon nanotube films on stainless steel by plasma enhanced CVD for corrosion resistance enhancement, and they indicated that the corrosion current density of coated substrates can be slightly decreased (≈ 90%), as compared with bare one (Lu et al 2019). In addition, some studies on nanostructures shows that surface morphologies and nanostructures, consisting of nanoscale chips have a significant influence on the precision and performance of devices in semiconductor, optoelectronics and microelectronics industries (Zhang et al 2013(Zhang et al , 2012a(Zhang et al , 2012b(Zhang et al , 2020Han et al 2020;Cui et al 2019;Meng et al 2020;Liao et al 2020). However, although the direct formation of nanostructured carbon coatings on stainless steel using CVD has been reported, their porous nature cannot make best use of corrosion protection for bipolar plate applications (Baddour et al 2009;Taha et al 2019;Masarapu et al 2007;Chun et al 2005).…”

Section: Electronic Supplementary Materialsmentioning

confidence: 99%

Significant enhancement of corrosion resistance of stainless steel with nanostructured carbon coatings by substrate-catalytic CVD

et al. 2020

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The bipolar plate is the major component of proton-exchange membrane fuel cells and also a critical contributor to the fuel cell performance. Metallic bipolar plate (MBP) has high impact resistance but its poor chemical stability limits the service lifetime and stack stability. One of the feasible methods to enhance the corrosion resistance of MBPs is the formation of conductive protective coatings on the MBP surface. In this work, nanostructured carbon coatings were deposited on stainless steel by chemical vapor deposition using the substrate itself as catalysts. Under the optimized conditions, the corrosion potential of carbon coatings with dense spherical structure on stainless steel (2.1 V RHE ) is much higher than that of uncoated one (1.2 V RHE ), and even greater than that of commercial graphite bipolar plates (1.7 V RHE ), showing 75% and 23.5% improvement in corrosion resistance, respectively. Moreover, the corrosion current density of stainless steel with dense sphere-assembled coatings decreases to 0.2 mA/cm 2 , which is two orders of magnitude lower than that of graphite bipolar plates (27.4 mA/ cm 2 ) at the same applied potential (2.2 V RHE ). The coated stainless steel with excellent anticorrosion properties has potential applications for MBPs in proton-exchange membrane fuel cells, electrochemical treatment of waste water, and current collectors in lithium-ion batteries.

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Section: Electronic Supplementary Materialsmentioning

confidence: 99%

Significant enhancement of corrosion resistance of stainless steel with nanostructured carbon coatings by substrate-catalytic CVD

et al. 2020

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“…To address these challenges, low-dimensional materials produced by bottom-up methods have been taken advantage in NEMS resonators. Among many materials deemed suitable for NEMS resonators, 1D nanomaterials, such as silicon nanowires, [13,14] carbon nanotubes (CNT), [15][16][17][18] zinc oxide (ZnO) nanowires, [19][20][21][22] and silicon carbide (SiC) nanowires, [23][24][25] are promising candidates for realizing high-performance NEMS resonators because of its excellent mechanical properties; particularly high Young's modulus, small size and high volume ratio. Researchers have demonstrated suspended 1D nanomaterials as NEMS devices with potential applications as gas detection sensors, nano electronics, or quantum motion detectors.…”

Section: Introductionmentioning

confidence: 99%

A Zinc Oxide Nanobeam Resonator for Ultrasensitivity Mass Detection

Wang

Cui

et al. 2023

Adv Elect Materials

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Nanomechanical resonators are expected to be exceptional sensors for high-performance mass detection, mechanical sensing, and signal processing. In this paper, zinc oxide nanobeam resonators are produced based on single-crystal ZnO nanowire, which has a typical diameter down to a few nanometers and the length of hundreds of micrometers. This resonator has the characteristics of high aspect ratio nanobeam structure and reliable material. It is observed that the resonance frequency of ZnO nanobeam resonator is up to 1.47 MHz with a high quality factor of 2300 at room temperature, which will play a key role in high-sensitivity mass detection. The mass detection of ZnO nanobeam resonator is demonstrated by depositing platinum atoms on the middle of the beam, which shows a sensitivity of 11.13 Hz fg −1 indicating its ultrasensitive mass detection capability. In addition, according to the experiment, the molecular dynamics simulations for the resonator is established, which shows that the detection resolution down to 0.2 yg at room temperature can be realized based on this resonator. The results show that the ZnO nanobeam resonator has enormous potential in ultrasensitive detection for biosensing and gas sensing.

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Improved chemical mechanical polishing performance in 4H-SiC substrate by combining novel mixed abrasive slurry and photocatalytic effect

Wang

Zhang

Shi

et al. 2022

Applied Surface Science

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Self-healing on mismatched fractured composite surfaces of SiC with a diameter of 180 nm

Abstract: Self-healing is demonstrated by an in situ nanomechanical test on mismatched fractured amorphous and crystalline composite surfaces of SiC.

Cited by 3 publications

References 35 publications

Significant enhancement of corrosion resistance of stainless steel with nanostructured carbon coatings by substrate-catalytic CVD

Significant enhancement of corrosion resistance of stainless steel with nanostructured carbon coatings by substrate-catalytic CVD

A Zinc Oxide Nanobeam Resonator for Ultrasensitivity Mass Detection

Improved chemical mechanical polishing performance in 4H-SiC substrate by combining novel mixed abrasive slurry and photocatalytic effect

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