Nanomaterials Research

30 lessons, pages 4281–4310.

  1. Nanomaterials: Size as a Design Variable — The range where surface, confinement and collective properties depart from bulk behavior
  2. Surface-Area-to-Volume Scaling — Why particle size changes exposed atom fraction and interfacial reactivity
  3. Nanoparticle Shape and Facets — Crystal planes, edges and shape-controlled properties
  4. Nucleation and Growth — Supersaturation, critical nuclei and size-distribution development
  5. Colloidal Nanoparticle Synthesis — Precursors, reducing agents, surfactants and growth control
  6. Ligands and Nanoparticle Surfaces — Passivation, solubility and altered electronic or catalytic behavior
  7. Colloidal Stability and Aggregation — Electrostatic and steric stabilization versus particle clustering
  8. Quantum Confinement in Nanocrystals — Size-dependent electronic levels and optical absorption
  9. Semiconductor Quantum Dots — Core, shell, emission color and nonradiative traps
  10. Metal Nanoparticle Plasmons — Collective electron oscillations, resonance shifts and local fields
  11. Graphene: Structure and Electronic Properties — Two-dimensional sp2 carbon, delocalization and transport
  12. Graphene Oxide and Reduced Graphene Oxide — Oxygen functionality, processing and changed conductivity
  13. Carbon Nanotubes — Chirality, wall structure and electrical or mechanical behavior
  14. Two-Dimensional Materials Beyond Graphene — Layered sulfides, boron nitride and composition-dependent properties
  15. Exfoliation and Thin-Layer Preparation — Mechanical, liquid-phase and chemical routes to two-dimensional sheets
  16. Nanocatalysis and Active Sites — Particle size, undercoordinated atoms and metal–support interactions
  17. Single-Atom and Cluster Catalysts — Coordination environments and the evidence for isolated versus aggregated sites
  18. Nanostructured Electrodes — Accessible area, transport paths and mechanical limits in energy devices
  19. Porous Nanomaterials — Pore-size distributions, adsorption and diffusion in confined networks
  20. Nanomaterial Self-Assembly — Interparticle forces and ordered structures across length scales
  21. Transmission Electron Microscopy — Imaging nanoscale structure while recognizing projection and beam effects
  22. Scanning Probe Microscopy — Topography, local electronic response and tip-related artifacts
  23. Scattering and Diffraction at the Nanoscale — Estimating structure and size distributions from reciprocal-space data
  24. Nanomaterial Surface Spectroscopy — Probing composition, oxidation state and bound ligands
  25. Measuring Particle-Size Distributions — Number, area and mass weighting in microscopy and scattering results
  26. Defects in Nanomaterials — Vacancies, grain boundaries and dopants as property controls
  27. Nanomaterial Stability — Sintering, dissolution, oxidation and changes under operation
  28. Exposure and Environmental Behavior — Aggregation, transformation, dose and limits of simple toxicity comparisons
  29. Reproducible Nanomaterials Research — Reporting size, shape, surface chemistry, batch variation and controls
  30. Nanomaterials Research: Unit Review — Connecting synthesis, structure, measurement and nanoscale function