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Journal articles on the topic 'Silicon Nanoarrays'

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Author: Grafiati

Published: 14 March 2023

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1

XU, L., W. LI, W. M. ZHAO, P. SUN, J. XU, Z. Y. MA, X. F. HUANG, and K. J. CHEN. "FABRICATION OF SILICON NANOARRAYS BY DIRECT NANOSPHERE LITHOGRAPHY." Surface Review and Letters 14, no. 04 (August 2007): 709–12. http://dx.doi.org/10.1142/s0218625x07009979.

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We present the fabrication of large-scale two-dimensional periodic silicon nanoarrays using nanosphere lithography. The techniques start from a monolayer of self-assembled polystyrene (PS) spheres of 220 nm in diameter on water surface, which works as a mask to fabricate large-scale periodic silicon nanoarrays by direct plasmatherm reactive ion (RIE) etching. AFM images of the nanoarrays show that the patterns of PS templates are well transferred to the Si surface. The tips stand 50–80 nm high and the lateral size is around 150 nm. The optimum fabrication conditions can be chosen via the analysis of the experimental data.

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2

Barbillon, Grégory, Vinod E. Sandana, Christophe Humbert, Benoit Bélier, David J. Rogers, Ferechteh H. Teherani, Philippe Bove, Ryan McClintock, and Manijeh Razeghi. "Study of Au coated ZnO nanoarrays for surface enhanced Raman scattering chemical sensing." Journal of Materials Chemistry C 5, no. 14 (2017): 3528–35. http://dx.doi.org/10.1039/c7tc00098g.

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3

Perez-Guzman, Manuel, Rebeca Ortega-Amaya, Yasuhiro Matsumoto, Andres Espinoza-Rivas, Juan Morales-Corona, Jaime Santoyo-Salazar, and Mauricio Ortega-Lopez. "Growth and Self-Assembly of Silicon–Silicon Carbide Nanoparticles into Hybrid Worm-Like Nanostructures at the Silicon Wafer Surface." Nanomaterials 8, no. 11 (November 20, 2018): 954. http://dx.doi.org/10.3390/nano8110954.

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This work describes the growth of silicon–silicon carbide nanoparticles (Si–SiC) and their self-assembly into worm-like 1D hybrid nanostructures at the interface of graphene oxide/silicon wafer (GO/Si) under Ar atmosphere at 1000 °C. Depending on GO film thickness, spread silicon nanoparticles apparently develop on GO layers, or GO-embedded Si–SiC nanoparticles self-assembled into some-micrometers-long worm-like nanowires. It was found that the nanoarrays show that carbon–silicon-based nanowires (CSNW) are standing on the Si wafer. It was assumed that Si nanoparticles originated from melted Si at the Si wafer surface and GO-induced nucleation. Additionally, a mechanism for the formation of CSNW is proposed.

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4

Xiao, Jianfeng, Jiuzhou Zhao, Guanjiang Liu, Mattew Thomas Cole, Shenghan Zhou, Ke Chen, Xinchuan Liu, Zhenjun Li, Chi Li, and Qing Dai. "Stable Field Emission from Vertically Oriented SiC Nanoarrays." Nanomaterials 11, no. 11 (November 11, 2021): 3025. http://dx.doi.org/10.3390/nano11113025.

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Silicon carbide (SiC) nanostructure is a type of promising field emitter due to high breakdown field strength, high thermal conductivity, low electron affinity, and high electron mobility. However, the fabrication of the SiC nanotips array is difficult due to its chemical inertness. Here we report a simple, industry-familiar reactive ion etching to fabricate well-aligned, vertically orientated SiC nanoarrays on 4H-SiC wafers. The as-synthesized nanoarrays had tapered base angles >60°, and were vertically oriented with a high packing density >107 mm−2 and high-aspect ratios of approximately 35. As a result of its high geometry uniformity—5% length variation and 10% diameter variation, the field emitter array showed typical turn-on fields of 4.3 V μm−1 and a high field-enhancement factor of ~1260. The 8 h current emission stability displayed a mean current fluctuation of 1.9 ± 1%, revealing excellent current emission stability. The as-synthesized emitters demonstrate competitive emission performance that highlights their potential in a variety of vacuum electronics applications. This study provides a new route to realizing scalable field electron emitter production.

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5

Razpet, Alenka, Anders Johansson, Göran Possnert, Marek Skupiński, Klas Hjort, and Anders Hallén. "Fabrication of high-density ordered nanoarrays in silicon dioxide by MeV ion track lithography." Journal of Applied Physics 97, no. 4 (February 15, 2005): 044310. http://dx.doi.org/10.1063/1.1850617.

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6

Zhang Wen-Ping, Ma Zhong-Yuan, Xu Jun, Xu Ling, Li Wei, Chen Kun-Ji, Huang Xin-Fan, and Feng Duan. "Simulation of localized surface plasmon resonance of hexagonal Ag nanoarrays and amorphous oxidized silicon nitride." Acta Physica Sinica 64, no. 17 (2015): 177301. http://dx.doi.org/10.7498/aps.64.177301.

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7

Yan, Wensheng, Zhikuo Tao, Min Gu, and Bryce S. Richards. "Photocurrent enhancement of ultrathin front-textured crystalline silicon solar cells by rear-located periodic silver nanoarrays." Solar Energy 150 (July 2017): 156–60. http://dx.doi.org/10.1016/j.solener.2017.04.046.

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8

Pedrosa, Catarina R., Christel Chanseau, Christine Labrugère, Sivashankar Krishnamoorthy, and Marie-Christine Durrieu. "Mesenchymal Stem Cell Differentiation Driven by Osteoinductive Bioactive Nanoscale Topographies." Applied Sciences 11, no. 23 (November 25, 2021): 11209. http://dx.doi.org/10.3390/app112311209.

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Human mesenchymal stem cells (hMSCs) respond to the characteristics of their surrounding microenvironment, i.e., their extracellular matrix (ECM). The possibility of mimicking the ECM offers the opportunity to elicit specific cell behaviors. The control of surface properties of a biomaterial at the scale level of the components of the ECM has the potential to effectively modulate cell response. Ordered nanoscale silicon pillar arrays were fabricated using reverse micelles of block copolymers on full wafers, with standard deviations lower than 15%. Bioactive synthetic peptides were covalently grafted on nanoarrays to evaluate possible synergies between chemistry and topography on osteogenic differentiation of hMSCs. Functionalization with RGD (Arg-Gly-Asp) and BMP-2 (bone morphogenetic protein-2) mimetic peptides lead to an enhancement of osteogenic differentiation. Bare nanopillar arrays of reduced pitch were found to promote faster hMSC differentiation. These findings highlight the relevance of investigating possibilities of engineering in vitro systems which can be fine-tuned according to the envisaged cell response.

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9

Ma, Zhongyuan, Xiaodong Ni, Wenping Zhang, Xiaofan Jiang, Huafeng Yang, Jie Yu, Wen Wang, et al. "Hexagonal Ag nanoarrays induced enhancement of blue light emission from amorphous oxidized silicon nitride via localized surface plasmon coupling." Optics Express 22, no. 23 (November 5, 2014): 28180. http://dx.doi.org/10.1364/oe.22.028180.

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10

Zeng, Lizhen, Yuting Yang, and Gongli Xiao. "An All-Dielectric Color Filter, with a Wider Color Gamut." Photonics 9, no. 10 (September 21, 2022): 680. http://dx.doi.org/10.3390/photonics9100680.

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Due to their extraordinary abilities to manipulate light propagation at the nanoscale, dielectric resonators that generate electric and magnetic Mie resonances for minimal optical loss have recently attracted great interest. Based on an all-dielectric metasurface, made of H-type silicon nanoarrays, this study proposed and constructed a visible-wavelength-range color filter, with high-quality Mie resonance and the ability to synthesize new colors. Using the finite-difference time-domain (FDTD) approach, we can create a larger color gamut by modifying the H-type array’s structural properties. The all-dielectric color filter suggested has a high color saturation and narrow bandwidth. The Mie resonance can be adjusted by manipulating the structural characteristics. By translating the reflectance spectrum into color coordinates and using the CIE1931 chromaticity diagram, a wide range of colors can be generated. This color filter offers a larger color range and saturation than other color filters. We produced color passband filters that span the visible spectrum using Mie resonator arrays, based on an H-type nanoresonator. This technology could have many applications, including high-resolution color printing, color-tunable switches, and sensing systems.

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11

Ivanova, Elena P., Denver P. Linklater, Marco Werner, Vladimir A. Baulin, XiuMei Xu, Nandi Vrancken, Sergey Rubanov, et al. "The multi-faceted mechano-bactericidal mechanism of nanostructured surfaces." Proceedings of the National Academy of Sciences 117, no. 23 (May 26, 2020): 12598–605. http://dx.doi.org/10.1073/pnas.1916680117.

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The mechano-bactericidal activity of nanostructured surfaces has become the focus of intensive research toward the development of a new generation of antibacterial surfaces, particularly in the current era of emerging antibiotic resistance. This work demonstrates the effects of an incremental increase of nanopillar height on nanostructure-induced bacterial cell death. We propose that the mechanical lysis of bacterial cells can be influenced by the degree of elasticity and clustering of highly ordered silicon nanopillar arrays. Herein, silicon nanopillar arrays with diameter 35 nm, periodicity 90 nm and increasing heights of 220, 360, and 420 nm were fabricated using deep UV immersion lithography. Nanoarrays of 360-nm-height pillars exhibited the highest degree of bactericidal activity toward both Gram stain-negativePseudomonas aeruginosaand Gram stain-positiveStaphylococcus aureusbacteria, inducing 95 ± 5% and 83 ± 12% cell death, respectively. At heights of 360 nm, increased nanopillar elasticity contributes to the onset of pillar deformation in response to bacterial adhesion to the surface. Theoretical analyses of pillar elasticity confirm that deflection, deformation force, and mechanical energies are more significant for the substrata possessing more flexible pillars. Increased storage and release of mechanical energy may explain the enhanced bactericidal action of these nanopillar arrays toward bacterial cells contacting the surface; however, with further increase of nanopillar height (420 nm), the forces (and tensions) can be partially compensated by irreversible interpillar adhesion that reduces their bactericidal effect. These findings can be used to inform the design of next-generation mechano-responsive surfaces with tuneable bactericidal characteristics for antimicrobial surface technologies.

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12

Xiao, Yingxin, Shitong Han, Hailing Xi, Yubo Jin, Huaxiang Lin, Rusheng Yuan, Jinlin Long, and Xuxu Wang. "Super-hydrophobic and photocatalytic antimicrobial activity of iodine-doped ZnO nanoarray films." New Journal of Chemistry 46, no. 7 (2022): 3140–45. http://dx.doi.org/10.1039/d1nj05706e.

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13

Liu, Nian, Guodong Zhang, Yadong Xiao, and Zhifang Peng. "A General Self-Propagating High-Temperature Synthesis Method for Fast and Easy Preparation of Metal Oxide Nanostructures from Low Melting Point Metals." Nano 10, no. 01 (January 2015): 1550015. http://dx.doi.org/10.1142/s1793292015500150.

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Different metal oxide nanostructures including SnO 2 nanowires, SnO 2 nanoparticles, ZnO nanorods, ZnO nanoparticles, Al 2 O 3 nanoparticles, SiO 2 nanoarray, and SnO 2– SiO 2 core–shell nanoparticles, can be selectively synthesized by Self-propagating High-temperature Synthesis (SHS) method with different reaction systems. This method can be easily applied to synthesize metal oxide nanostructures with high yield and excellent purity from low melting point metals in a very short time at low cost without the need for any sophisticated equipment. The composition of reaction system has a crucial influence on the reaction temperature and morphology of the end products. Compared with nanoparticles, nanowires or nanorods can be obtained at lower reaction temperature. And introducing the chemical containing silicon to the reaction system allows the formation of SiO 2 nanoarray and SnO 2– SiO 2 core–shell nanoparticles.

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14

Yadav, Yamini, SudhaPrasanna Kumar Padigi, Shalini Prasad, and Xiaoyu Song. "Towards Crossbar Nanoarray Structure via Microcontact Printing." Journal of Nanoscience and Nanotechnology 8, no. 4 (April 1, 2008): 1951–58. http://dx.doi.org/10.1166/jnn.2008.044.

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The method for patterning arrays of multiwalled carbon nanotubes (MWCNT's) in symmetric patterns to form junctions has been demonstrated. This has been achieved by incorporating the technique of microcontact printing using poly-dimethylsiloxane (PDMS) molds. Relief structures in the order of a few micrometers were fabricated that enabled the transfer of continuous horizontal arrays of MWCNT's in aqueous suspension in a controlled manner. The MWCNT's were patterned onto silicon microelectrode substrates with metallic gold electrodes. These were fabricated using standard photolithography techniques. The silicon substrates served as a base platform with suitable measurement microelectrodes for electrically characterizing the crossbar junction arrays. Using a dual alignment and stamping process, PDMS molds were inked alternatively with p-type and n-type suspensions of MWCNT's and transferred in a grid-like manner onto the base platform. Parallel alignment of the MWCNT's was achieved due to the geometry of the mold relief structures. This step-by-step assembly resulted in the formation of crossbar MWCNT array structures. Each of these crosspoints in the individual junction can function as an addressable crossbar nanodevice. The functionality of this circuit was demonstrated through the current–voltage (I–V) characteristics. Using these high-density crossarray circuit patterns, addressable nanostructures that form the building blocks of highly integrated device arrays can be built.

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15

Lu, Hui-Hsin, and Chii-Wann Lin. "Preparation of Protein Nanoarray on Silicon Surface by Atomic Force Microscopy Nanofabrication." Journal of Nanoscience and Nanotechnology 10, no. 7 (July 1, 2010): 4505–10. http://dx.doi.org/10.1166/jnn.2010.2368.

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16

Xu, S., S. Y. Huang, I. Levchenko, H. P. Zhou, D. Y. Wei, S. Q. Xiao, L. X. Xu, W. S. Yan, and K. Ostrikov. "Highly Efficient Silicon Nanoarray Solar Cells by a Single-Step Plasma-Based Process." Advanced Energy Materials 1, no. 3 (April 12, 2011): 373–76. http://dx.doi.org/10.1002/aenm.201100085.

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17

Wu, Pinghui, Kaihua Wei, Danyang Xu, Musheng Chen, Yongxi Zeng, and Ronghua Jian. "Ultra-Wideband and Wide-Angle Perfect Solar Energy Absorber Based on Titanium and Silicon Dioxide Colloidal Nanoarray Structure." Nanomaterials 11, no. 8 (August 10, 2021): 2040. http://dx.doi.org/10.3390/nano11082040.

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In this paper, we designed an ultra-wideband solar energy absorber and approved it numerically by the finite-difference time-domain simulation. The designed solar energy absorber can achieve a high absorption of more than 90% of light in a continuous 3.506 μm (0.596 μm–4.102 μm) wavelength range. The basic structure of the absorber is based on silicon dioxide colloidal crystal and Ti. Since the materials have a high melting point, the designed solar energy absorber can work normally under high temperature, and the structure of this solar energy absorber is simpler than most solar energy absorbers fabricated with traditional metal. In the entire wavelength band researched, the average absorption of the colloidal crystal-based solar energy absorber is as high as 94.3%, demonstrating an excellent performance under the incidence light of AM 1.5 solar spectrum. In the meantime, the absorption spectrum of the solar energy absorber is insensitive to the polarization of light. In comparison to other similar structures, our designed solar energy absorber has various advantages, such as its high absorption in a wide spectrum range and that it is low cost and easy to make.

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18

Huang, Rui-an, Yuzhong Guo, Zhengfu Zhang, Xingshuai Zhang, and Bin Yang. "Insight into the Self-Assembled Three-Dimensional Sandwich-Like Hollow Silicon Nanoarray/Graphene Lithium Storage Architecture by Sonication-Assisted Functionalization." Energy & Fuels 36, no. 6 (March 1, 2022): 3283–92. http://dx.doi.org/10.1021/acs.energyfuels.1c04334.

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19

Wang, Shuang, Wenhe Xie, Ping Wu, Geyu Lin, Yan Cui, Jiawei Tao, Gaofeng Zeng, Yonghui Deng, and Huibin Qiu. "Soft nanobrush-directed multifunctional MOF nanoarrays." Nature Communications 13, no. 1 (November 5, 2022). http://dx.doi.org/10.1038/s41467-022-34512-1.

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AbstractControlled growth of well-oriented metal-organic framework nanoarrays on requisite surfaces is of prominent significance for a broad range of applications such as catalysis, sensing, optics and electronics. Herein, we develop a highly flexible soft nanobrush-directed synthesis approach for precise in situ fabrication of MOF nanoarrays on diverse substrates. The soft nanobrushes are constructed via surface-initiated living crystallization-driven self-assembly and their active poly(2-vinylpyridine) corona captures abundant metal cations through coordination interactions. This allows the rapid heterogeneous growth of MOF nanoparticles and the subsequent formation of MIL-100 (Fe), HKUST-1 and CUT-8 (Cu) nanoarrays with tailored heights of 220~1100 nm on silicon wafer, Ni foam and ceramic tube. Auxiliary functional components including metal oxygen clusters and precious metal nanoparticles can be readily incorporated to finely fabricate hybrid structures with synergistic features. Remarkably, the MIL-100 (Fe) nanoarrays doped with Keggin H3PMo10V2O40 dramatically boost formaldehyde selectivity up to 92.8% in catalytic oxidation of methanol. Moreover, the HKUST-1 nanoarrays decorated with Pt nanoparticles show exceptional sensitivity to H2S with a ppb-level detection limit.

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20

Chan, Vanessa Z.-H., Sarah L. Codd, Mark J. van der Helm, Joachim P. Spatz, Carlheinz Röcker, G. Ulrichs Nienhaus, Stefano Levi, Frank C. J. M. van Veggel, David N. Reinhoudt, and Martin Möller. "Sub-10 nm Gold Nanoarrays for Tethering Single Molecules." MRS Proceedings 676 (2001). http://dx.doi.org/10.1557/proc-676-y4.4.

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ABSTRACTNanometer sized gold patterns were produced with controlled spacings using the combination of a top-down (e-beam lithography) and a bottom-up (macromolecular chemistry) technique. Sub-10 nm nanoparticle arrays on silicon consisting of gold nano particles separated by micro meter spacings were fabricated with this approach. Using electron beam lithography, templates comprising of 150 nm to 1 μm sized trenches, holes and aperiodic patterns were made in an electron-beam resist. Block copolymer micelles were then patterned into this template by spincoating. The micelles acted as positioners for a nanometer sized gold precursor that is sequestered within its core. Subsequent removal of the resist layer left an array of Au loaded organic micelles ordered according to the pattern of the template. Exposure of this substrate to a hydrogen plasma removed the organic block copolymer and resulted in an array of sub-10 nm gold nanoparticles/nanoclusters with micron separations. The gold was then used as an anchor point for the tethering of functional molecules in order to localize fluorescent molecules.

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21

Ram, K. Bhargavan, L. Tian, Z. Wu, and Latika Menon. "Non-lithographic Nanofabrication Using Porous Alumina Membranes." MRS Proceedings 900 (2005). http://dx.doi.org/10.1557/proc-0900-o06-12.

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ABSTRACTWe describe a fabrication method to prepare highly ordered Si nanopore arrays. A nanoporous alumina template of thickness ∼1μm is prepared by means of anodization of an aluminum film. The template has a highly ordered hexagonal array of pores of diameter ∼50nm. The template is detached from the aluminum layer and placed on a Si substrate. The nanoporous pattern is transferred onto silicon substrate by means of a dry plasma etch process. This produces an array of nanopores in silicon with a diameter of ∼50nm and depth of ∼300nm. We have used such an array to prepare Fe nanopillars inside the pores by means of thermal evaporation. Magnetization versus applied magnetic field measurements for the Fe nanoarrays, demonstrate large perpendicular anisotropy typical of high aspect ratio magnetic nanopillars. The value of coercivity is about 500Oe in the perpendicular direction and 40Oe in the parallel direction.

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22

He, W. W., K. J. Wu, K. Wang, T. F. Shi, L. Wu, S. X. Li, D. Y. Teng, and C. H. Ye. "Towards stable silicon nanoarray hybrid solar cells." Scientific Reports 4, no. 1 (January 16, 2014). http://dx.doi.org/10.1038/srep03715.

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23

Fragala, Joseph S., R. Roger Shile, and Jason Haaheim. "Enabling the Desktop NanoFab with DPN® Pen and Ink Delivery Systems." MRS Proceedings 1037 (2007). http://dx.doi.org/10.1557/proc-1037-n02-04.

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AbstractDepositing a wide range of materials as nanoscale features onto diverse surfaces with nanometer registration and resolution are challenging requirements for any nanoscale processing system. Dip Pen Nanolithography® (DPN®), a high resolution, scanning probe-based direct-write technology, has emerged as a promising solution for these requirements. Many different materials can be deposited directly using DPN, including alkane thiols, metal salts and nanoparticles, metal oxides, polymers, DNA, and proteins. Indirect deposition allows the creation of many interesting nanostructures. For instance, using MHA may be used to create arrays of antibodies, which then bond specifically to antigens on the surface of viruses or cells, to create cell or virus arrays. The DPN system is designed to allow registration to existing features on a writing substrate via optical alignment or nanoscale alignment using the core AFM platform. This allows, for instance, the nanoscale deposition of sensor materials directly onto monolithic electronic chips with both sensing and circuit features.To enable the DPN process, novel pen and ink delivery systems have been designed and fabricated using MEMS technology. These MEMS devices bridge the gap between the macro world (instrument) and the nano world (nanoscale patterns). The initial MEMS devices were simple and robust both in design and fabrication to get products into the marketplace quickly. The first MEMS-based DPN device was a passive pen array based on silicon nitride AFM probe technology from Cal Quate's group at Stanford. The next two devices (an inkwell chip and a thermal bimorph active pen) were more complicated and took considerable effort to commercialize. In this work, some of the difficulties in bringing brand new MEMS devices from the prototype stage into production will be shared. The subsequent MEMS products have become even more complicated both in design and fabrication, but the development process has improved as well. For example, the 2D nanoPrintArray has 55,000 pens in one square centimeter for high throughput writing over large areas. The 2D arrays enable templated self assembly of nanostructures giving researchers the ability to control the placement of self assembled features rather than allowing the self assembly to occur randomly.Applications of DPN technology vary from deposition of DNA or proteins in nanoarrays for disease detection or drug discovery, to deposition of Sol-gel metal oxides for gas sensors, and to additive repair of advanced phase-shifting photomasks.

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24

Yamada, Yoichi M. A., and Yuta Matsukawa. "Microwave-Assisted Hydrogen-Free Reductive Deiodination of Iodoarenes with Silicon-Nanoarray Palladium-Nanoparticle Catalyst." Synlett, March 11, 2022. http://dx.doi.org/10.1055/a-1795-8092.

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AbstractThe hydrogenolysis of iodoarenes using a silicon nanoarray palladium catalyst under microwave irradiation was investigated. When triethanolamine was used as the sacrificial reductant, the reaction proceeded via reductive deiodination under an aerobic atmosphere even without the presence of the explosive hydrogen gas, affording the corresponding hydrogen-substituted arenes in high yields. No reaction occurred in the absence of microwaves, indicating a noticeable microwave effect.

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25

Karakachian, Hrag, Philipp Rosenzweig, T. T. Nhung Nguyen, Bharti Matta, Alexei A. Zakharov, Rositsa Yakimova, Thiagarajan Balasubramanian, et al. "Periodic Nanoarray of Graphene pn‐Junctions on Silicon Carbide Obtained by Hydrogen Intercalation." Advanced Functional Materials, January 27, 2022, 2109839. http://dx.doi.org/10.1002/adfm.202109839.

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26

Huang, Rui-an, Yu-zhong Guo, Zhengfu ZHANG, Xinshuai Zhang, and Bin Yang. "Insight into the Self-Assembled 3D Sandwich-Like Hollow-Silicon-Nanoarray/Graphene Lithium Storage Architecture by Sonication-Assisted Functionalization." SSRN Electronic Journal, 2021. http://dx.doi.org/10.2139/ssrn.3982081.

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