Category: Nanotech
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Toward steering the motion of surface rolling molecular machines by straining graphene substrate
Computational and theoretical aspects of directed motion The simulations of the motion of nanotruck on strain gradient surface indicate directed motion of the nanomachine at the temperature of 300 K. According to Fig. 2, the nanocar moves from the left side of the substrate, which has the maximum strain, to the unstrained end of the…
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Bio-synthesized ZnO nanoparticles and sunlight-driven photocatalysis for environmentally-friendly and sustainable route of synthetic petroleum refinery wastewater treatment
Characterization of the synthesized NPs UV visible absorption The UV–vis absorption spectra of ZnO materials are depicted in Fig. 2(a). Both samples exhibited UV–vis absorption spectra, with a wide intense absorption from about 350 nm, which may be linked to the intrinsic absorption of the BG of ZnO NPs caused by electron (e−) transfer out from…
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Synthesis and electrochemical properties of nanocubes Mn2SnS3 for high-performance supercapacitors
Fabrication and structural characterization of Mn2SnS3/NF electrode The synthesis process of Mn2SnS3/NF electrode is shown in Fig. 1. The process involved synthesizing Mn2SnS3 nanostructures with two distinct morphologies, using different precursors and temperature conditions. Once the successful synthesis of the desired morphologies was confirmed, the study investigated the effect of these morphologies on the electrochemical performance…
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All-2D electronics for AI processing
M3D integration is an efficient way to connect chips without wafers5, but requires the removal of device layers from a substrate. The device layers based on conventional rigid 3D semiconductors are innately brittle and susceptible to high internal stress levels, making them prone to mechanical failure during the substrate removal and integration processes. Amid these…
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harnessing light at the nanoscale
Contents Just as nanoplasmonics reveals the fascinating interplay between light and metal nanoparticles, nanophotonics ventures into the broader realm of light manipulation at the nanometer scale. It explores how photons, the fundamental particles of light, interact with nano-sized structures, opening avenues for innovation in various technological fields. Nanophotonic structures have become indispensable components for manipulating…
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Generating Power on Earth From the Coldness of Deep Space
It’s a summer night. On the rooftop of a quiet building, a set of panels cools the rooms within and keeps the lights on, removing heat and generating electricity using the coldness of the sky. That cold isn’t in the air around the building—the night is warm. Rather, the panels reach far beyond Earth’s atmosphere…
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Local probe-induced structural isomerization in a one-dimensional molecular array
Gross, L. et al. Atomic force microscopy for molecular structure elucidation. Angew. Chem. Int. Ed. 57, 3888–3908 (2018). Article CAS Google Scholar Gross, L., Mohn, F., Moll, N., Liljeroth, P. & Meyer, G. The chemical structure of a molecule resolved by atomic force microscopy. Science 325, 1110–1114 (2009). Article ADS CAS PubMed Google Scholar Temirov,…
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Manufacturing of quantum-tunneling MIM nanodiodes via rapid atmospheric CVD in terahertz band
Figure 1a shows a diagram of cross-sectional view Pt–Al2O3–Al MIM diodes that we fabricated. The wafers used were p-doped silicon wafers with a thermally grown 285 nm oxide layer. Next, we patterned the first metal electrodes using e-beam lithography. Pt was deposited using an e-beam evaporation process. Following this step, we deposited an Al2O3 layer on top…
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Optimization of X-axis servo drive performance using PSO fuzzy control technique for double-axis dicing saw
Extracting basic data for ADT-8230 In the process of processing semiconductor chips, dicing error in the micron range is necessary. X-axis is a long-stroke axis, and it carries different speeds for different materials. It brings vibration and response speed, and the size of the speed control range directly affects the dicing quality and processing efficiency.…
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Examining the biodistribution and function of polymer-DNA origami nanostructures
Structural characterization of the DNA origami nanostructures and quality assessment of their assembly. (a) Design schematic. The rows show the different DNA origami nanostructures investigated: cuboid, short rod and long rod (from top to bottom). The columns show different views of the DNA origami nanostructures: 3D, front and side view (from left to right). FRET…