Có 40+ tài liệu thuộc chủ đề "Advanced materials and devices"
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Tailoring optical and resistance properties of the functional CuAl x O y semiconductor for applications as thermal infrared imagers. The thermal coef fi cient of resistance of the CuAl x O y fi lms was measured to be in the range 1.7e2.2%/K and the resistivity ranged from 0.3 to 1.0 U cm with n-type nature. To explain the low indirect...
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Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian, 116024, China. Recently developed ingenious devices fabrication, van der Waals (vdW) heterojunction integration, and characterization techniques of the novel two-dimensional layered materials (2DLMs) have profoundly promoted the in-depth research in terms of the extraordinary properties of 2DLMs, which are conducive to the...
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Peak shift to the left side was observed with increase in the doping concentration of Pr 3þ ions into the crystal system, which is attributed to the strain. Foamy type morphology was revealed from scanning electron microscope studies, whereas the nanostructural features of the samples were confirmed by both transmission electron microscope and PXRD. The photoluminescence (PL) studies revealed the...
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Facile synthesis of polypyrrole coated graphene Gr/Ag e Ag 2 O/PPy nanocomposites for a rapid and selective response towards ammonia sensing at room temperature. To archive this objective, a cost-effective, room temperature mediated solution-based synthesis of Gr/AgeAg 2 O/PPy nanocomposite was exploited as an ef fi cient performance NH 3 gas sensor through combining the exceptional electrical characteristics of Graphene...
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Dual ultraviolet irradiation Antibacterial activity. The photocatalytic antibacterial activity of a nickel-doped titanium dioxide nanoparticle mesh (Ni e TiO 2 mesh) against E. NieTiO 2 nanoparticles (NPs) were prepared via Ni doping to TiO 2 NPs and uniformly distributed on the mesh via electrospraying and hot-pressing, of which the morphology and particle size distribution were maintained after immobilization. In the...
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The reaction between j-CNCs and pSiDm in the hydrogel was revealed by the increased intensity ratio of eOH band to CeH band and shifting of a peak for C ¼ O from 1604 cm 1 to 1608 cm 1 in the FT-IR spectrum of the hydrogel compared to those of the copolymer. Glass transition temperature of the copolymer increases from...
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Excellent organic dye adsorption capacity and recyclability of hydrothermally synthesized a -Fe 2 O 3 nanoplates and nanorices. a -Fe 2 O 3 and Fe 3 O 4 nanoplates and nanorices were synthesized by hydrothermal reaction and used for organic pollutant adsorption and removal studies. The effect of size and morphology of a -Fe 2 O 3 and Fe 3...
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These mixed AgNPrs (M-AgNPrs) increased the photocarrier generation in the OSCs due to the broadband absorption, which was attributed to mutual multiple plasmonic excitations covering the entire visible light region. The M-AgNPrs were incorporated into a poly(3,4- ethylenedioxythiophene): poly(styrenesulfonate) hole-transport layer in the OSCs. The UVevis spectra, atomic force microscope images and current density versus voltage curves of the fabricated...
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Dye sensitized solar cell. We fabricated a novel nanocomposite composed of graphene-La 2 CrFeW 6 perovskite compounds with an organic-inorganic counter electrode based on CdSe, gallic acid, urea and sulfate in dye-sensitized solar cells (DSSCs) by a simple hydrothermal technique. The nanocomposite shows an excellent electro e catalytic activity with low charge-transfer resistance, due to the synergetic catalytic effects of...
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The stiffness of the extracellular matrix (ECM) is also accommodating by utilizing a proper membrane in the MCCC. Finally, the biocompatibility of the proposed device is investigated by dynamic culturing of human lung cancer cells (A549 cell line) on the chip.. As a mechanical stimulus, shear stress is caused by blood fl ow, interstitial fl uid fl ow, or lymphatic...
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The enhancement in the specific capacitance of the PGNC nanocomposite is further validated through fi rst-principles density functional theory calculations, which predict an increment in the density of states at the Fermi level of the GNC and CNC nanocomposites compared to the isolated Ni 0.5 Co 0.5 Fe 2 O 4 material. The supercapacitance performance of the PGNC nanocomposite is...
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Optimization of the high-frequency magnetoimpedance response in melt-extracted Co-rich microwires through novel multiple-step Joule heating. Melt-extraction Co-rich microwires Giant magnetoimpedance Magnetic sensor. The optimization of the high frequency giant magnetoimpedance (GMI) effect and its magnetic field sensitivity in melt-extracted Co 69.25 Fe 4.25 Si 13 B 12.5 Nb 1 amorphous microwires was systematically studied through a multi-step Joule annealing (MSA)...
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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/).. https://doi.org/10.1016/j.jsamd . This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).. Obtained powder samples of GOH-7, GOH-14, GOH-Sn-2, and GOH-Cr-1 were investigated for structural and phase analysis by X- ray diffraction (Rigaku Ultima-III) using Cu-K a radiation ( l ¼ 1.5406 A. After 24...
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Silver nanowire/PEDOT:PSS hybrid electrode for fl exible organic light- emitting diodes. Ag NWs PEDOT:PSS Work function Flexible electrode OLEDs. We prepared a hybrid electrode comprosed of a silver nanowires/poly (3,4-ethylenedioxythiophene):. poly(styrenesulfonate) (AgNW/PEDOT:PSS) nanocomposite for flexible organic light-emitting diodes (FOLEDs). To increase the conductivity of PEDOT:PSS, diethylene glycol (DEG) was introduced into the PEDOT:PSS solution. The PEDOT:PSS layer shows a higher...
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Novel micro fl uidic approaches to circulating tumor cell separation and sorting of blood cells: A review. Circulating tumor cells (CTCs) Microfluidic devices Lab-on-a-chip (LOC) Lab-on-a-CD (LOCD). Among them, inertial microfluidic devices are promising due to their simple structure and setup. One technique that may potentially overcome these shortcomings is the so-called rotational micro- fl uidic platform. Subsequently, a new...
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https://doi.org/10.1016/j.jsamd . 4D printing technologies. Applications of 4D printing. Supplementary data to this article can be found online at https://doi.org/10.1016/j.jsamd . doi.org . https://doi.org . e53, https://doi.org/10.1016/. e79, https://doi.org/10.1016/j.matdes . e717, https://doi.org/10.1007/s . https://doi.org/. 10.1016/j.matdes. e1217, https://doi.org/10.1002/marc.201500079.. https://doi.org/10.1016/j.cad . e198, https://doi.org/10.1016/. e4649, https://doi.org/10.1007/s . Today https://doi.org/. 10.1016/j.apmt . https://doi.org/10.1016/j.apmt.2020.. Chen, Review of polymeric materials in 4D printing biomedical appli- cations,...
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The SERS results revealed that the plasmonic surfaces of the self-assembled hotspots on the 3D ZnO superstructures provided effective molecular interactions between the ZnONFs@Ag platform and the Raman probe molecule. Moreover, the performance was closely associated with enhancement of the electromagnetic mechanism and the charge transfer contribution in the platform between the semiconductor, metallic NPs, and the analyte molecules. https://doi.org/10.1016/j.jsamd...
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The fibrous composite of PVA/HAP/folic acid (FA)/Methotrexate (MTX) was coated on the surface of a titanium plate and observed with microscopy. During the PVA/HAP/FA/MTX composite's preparation, the functional changes and crystalline phases were observed through Fourier-transform infrared spectroscopy and X-ray diffraction analysis, respectively. Biocompatibility, cell growth, and proliferation capability of the PVA/HAP/FA/MTX com- posite were studied in human bone marrow-derived...
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In the quest of the optimal chondrichthyan for the development of collagen sponges for articular cartilage. Collagen type II Chondrichthyes. Human adipose derived stem cells Chondrogenic induction Cartilage engineering. In the quest of the optimal material for cartilage scaffold fabrication, the use of collagen type II has been advocated, but its optimal source still remains elusive. Herein, the potential of...
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Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian, 116024, China. Hydrogel-based supercapacitors with excellent mechanical properties can overcome several unsettled challenges that current wearable power supply devices confront as a result of the distinctive dense intriguing nanostructures of hydrogels, which serve as an ideal candidate with durability and reliability for...