66 questions · 23 sources · 0 syntheses
Nanostructures and Nanomaterials
Materials and devices engineered at the nanometer scale.
Source-derived questions
Questions extracted from the papers in this topic, excluding the curated questions above.
- How can a household FDM 3D printer be used to fabricate free-standing, millimeter-scale conductive metasurfaces?
- How can a solid material have an internal surface area exceeding 7,000 square metres per gram?
- How can circularly polarized ultrashort laser pulses produce self-organized antireflective nanostructures on glass in a single fabrication step?
- How can hierarchical micro- and nano-scale laser patterning replicate biological functions such as structural color, superhydrophobicity, and antibacterial surfaces?
- How did Vale's in-vitro motility assay let researchers watch individual motor proteins walking along filaments?
- How did the scanning tunnelling microscope open the door to nanotechnology?
- How did this discovery, prompted by questions about interstellar chemistry, establish a third form of pure carbon?
- How do fabrication routes like anodic aluminum oxide templating and molecular self-assembly differ in the length scales of nanostructure they can control?
- How do geometric parameters and infiltrating dielectric materials tune the resonant response of 3D printed Split Ring Resonators?
- How do sedimentation, evaporation-induced assembly, and vertical deposition compare as fabrication routes for colloidal photonic crystal thin films?
- How do these self-assembled isotropic structures differ from the ordered branching architecture of butterfly wing-scale lamellae, and what does that mean for coating applications?
- How do ultrashort-pulsed lasers achieve nanometer-scale structuring of material surfaces?
Show 54 more questions
- How does Bragg diffraction from a face-centered cubic colloidal lattice determine the reflected wavelength of structural color?
- How does Feringa's molecular motor rotate continuously in one direction using light?
- How does a rotaxane function as a molecular switch?
- How does block copolymer self-assembly during polymer processing produce the periodic nanostructures responsible for structural color in 3D-printed parts?
- How does buckminsterfullerene fit as a third allotrope of carbon alongside diamond and graphite?
- How does coextruding conductive filament around continuous carbon fiber improve electrical connection reliability and noise performance in self-sensing structures?
- How does colloidal self-assembly produce disordered but correlated nanostructures without long-range crystalline order?
- How does combining pigment with nanostructure suppress iridescence and expand the achievable gamut of non-iridescent colors, as seen in butterfly coloration?
- How does controlled detonation of decommissioned artillery shells produce nanodiamonds?
- How does laser-induced nanopillar texturing on fused silica perform across visible and infrared wavelengths and different angles of incidence compared to conventional antireflective coatings?
- How does loading a Bragg reflector with beta-carotene pigment reduce the number of layers needed to reach high reflectance compared to a pigment-free structure?
- How does natural sedimentation of silica nanoparticles produce ordered photonic crystal films without specialized equipment?
- How does sol-gel chemistry convert metal alkoxide precursors into oxide layers for photonic nanostructures?
- How does the Mori-Tanaka technique combine with a three-phase shear lag model to estimate effective elastic properties of hierarchically reinforced composites?
- How does the orientation of carbon nanotubes within the polymer matrix (aligned axially, aligned radially, or randomly dispersed) affect stress transfer in nano-reinforced polymer composites?
- How small are these molecular machines compared to a human hair?
- What advantages do conductive-filament FDM metasurfaces offer over conventional metasurface fabrication in terms of cost, weight, and environmental impact?
- What advantages does a block copolymer self-assembly route offer over lithography for manufacturing structurally colored plastic parts at scale?
- What advantages does direct-write laser nanostructuring offer over lithographic or chemical etching methods for fabricating biomimetic antireflective surfaces?
- What design rules did Kitagawa, Robson, and Yaghi work out for controlling the pore geometry of metal-organic frameworks?
- What did Moungi Bawendi contribute that turned quantum dots from a lab curiosity into a manufacturable material?
- What did Sumio Iijima see under the electron microscope while examining arc-discharge soot?
- What does 'host-guest chemistry' mean, and who coined the term?
- What experiment led Kroto, Curl, and Smalley to notice a cluster of exactly sixty carbon atoms?
- What experimental setup at Rice University led Kroto, Curl, and Smalley to detect a suspicious mass spectrometer peak at sixty carbon atoms?
- What geometric structure explains why a sixty-carbon cluster is unusually stable?
- What improvement in tensile strength and modulus does adding cellulose nanofibers at just 1 wt% loading provide to wood flour/PLA composites?
- What industrial applications do nanodiamonds produced this way have?
- What is a catenane and how can two rings be interlocked without a chemical bond between them?
- What is the mechanism behind laser-induced periodic surface structures (LIPSS) and how do they self-organize?
- What later materials, like carbon nanotubes and graphene, trace their discovery back to this finding?
- What length-scale condition allows an isotropic (non-crystalline) nanostructure to produce structural color?
- What makes lamellar morphology from roughly equal-volume diblock copolymers analogous to the layered nanostructures found in butterfly wing scales?
- What method is used to experimentally characterize the electromagnetic performance of 3D printed conductive metasurfaces?
- What modern applications trace back to Pedersen's discovery of crown ethers?
- What question did Feynman ask about whether physical laws prevent building machines at the molecular or atomic scale?
- What role do alternating high/low refractive index oxide layers (e.g. TiO2/SiO2) deposited via sol-gel processing play in reproducing structural coloration?
- What role does sequential spin-coating of PVA and polystyrene layers play in fabricating efficient pigment-loaded Bragg reflectors?
- What roles do the molecular motors myosin, kinesin, and dynein play in transporting material inside a cell?
- What structural properties give carbon nanotubes their exceptional tensile strength and tunable conductivity?
- What technologies that Feynman's lecture anticipated, like atomic-force microscopes and molecular machines, didn't exist yet in 1959?
- What trade-offs distinguish colloidal self-assembly methods like sedimentation, evaporation-induced assembly, spin-coating, and electrophoretic deposition?
- Where are quantum dots used today, from television screens to medical imaging?
- Who first observed quantum confinement effects, and in what materials?
- Why did Russia need a solution for its surplus of decommissioned Soviet-era ordnance?
- Why did practical applications of carbon nanotubes take longer to arrive than early enthusiasm suggested?
- Why did the researchers propose a soccer-ball-shaped cage of hexagons and pentagons for C60, and why did they name it after Buckminster Fuller?
- Why does a quantum dot's colour depend on its size rather than its chemical composition?
- Why does faithfully replicating butterfly wing scale optics require hierarchical nanostructures rather than a single length scale?
- Why does increasing the molecular weight of a block copolymer shift the reflected structural color toward longer (redder) wavelengths?
- Why is Feynman's 1959 lecture considered the founding document of nanotechnology even though it proposed no specific technique?
- Why might combining nanoscale carbon nanotube reinforcement with microscale carbon fiber reinforcement improve load transfer at the fiber-matrix interface compared to carbon fiber alone?
- Why must wavelength-independent scattering be suppressed to achieve pure structural color rather than a whitened appearance?
- Why was buckminsterfullerene named after R. Buckminster Fuller?
Sources
- Biomimetic Omnidirectional Anti-reflective Glass via Direct Ultrafast Laser Nanostructuring
- Biomimetic isotropic nanostructures for structural coloration
- Biomimetic reconstruction of butterfly wing scale nanostructures for radiative cooling and structural coloration
- Efficient structural color from pigment-loaded nanostructures
- Fabrication and characterization of Fused Deposition Modeling 3D printed mm-scaled metasurfaces
- Laser engineering of biomimetic surfaces
- Multiscale modeling of regularly staggered carbon fibers embedded in nano-reinforced composites
- Self-assembly of silica colloidal crystal thin films with tuneable structural colours
- Sensitivity increase of 3D printed, self-sensing, carbon fibers structures with conductive filament matrix
- Solution-processed structural colors and their applications
- Structural Color for Additive Manufacturing: 3D-Printed Photonic Crystals from Block Copolymers
- Wood Flour Pretreatment and Toughening Agents in FDM 3D-Printed PLA Biocomposites
Show 11 more sources
- Carbon nanotubes discovered
- Discovery of buckminsterfullerene (C60)
- Feynman's "There's Plenty of Room at the Bottom" lecture anticipates nanotechnology
- Ig Nobel Prize in Peace
- Lasker Award (Basic Medical Research)
- Nobel Prize in Chemistry
- Nobel Prize in Chemistry
- Nobel Prize in Chemistry
- Nobel Prize in Chemistry
- Nobel Prize in Chemistry
- Nobel Prize in Physics