
Introduce nanotechnology and nanomaterials, defining sub-100 nanometer systems and tracing Feynman and Taniguchi’s histories. Show size-dependent optical, magnetic, and mechanical properties, and discuss nanotechnology education in India.
Explore how nanostructures in butterfly and beetle wings create iridescent colors through interference and diffraction. Discover nanotechnology applications like color-changing sensors, nano sponges for targeted drug delivery, and electrochromic camouflage.
Discover the wide range of nanotechnology applications, from antibacterial silver and self-cleaning surfaces to nano cosmetics, food packaging, and solar cells, while evaluating safety risks and the Grego concept.
Explore the classification of nanomaterials by dimension and dive into graphene, a two-dimensional carbon allotrope with exceptional strength, conductivity, and energy storage potential, produced via exfoliation, intercalation, and oxide routes.
Explore carbon nanotubes, including single- and multi-walled types, their rolled graphene structure, synthesis by arc discharge, laser ablation, or chemical vapor deposition, and key applications.
Explore fullerenes, the buckyball carbon nanomaterials, including C60 and C70. Learn synthesis, separation by chromatography, and broad applications in health, sensors, imaging, and drug delivery.
Master top-down synthesis of nanomaterials through nanolithography and etching, detailing lithography types—photolithography, X-ray, electron beam, ion beam—and wet and dry etching.
Explore the ball milling top-down synthesis method for nanomaterials, covering high-energy and planetary mills, wet and dry milling, particle size reduction, contamination control, and solid-state alloying.
Characterize nanomaterials using x-ray diffraction (XRD) to identify crystal structure, phases, lattice parameters, and crystallite size and strain through Laue, rotating crystal, and powder methods.
Explore scanning electron microscopy (SEM) to characterize nanomaterials by revealing surface topography and composition through secondary and backscattered electrons and X-ray detectors.
Explore the principles and advantages of transmission electron microscopy for characterizing nanomaterials, contrast with scanning electron microscopy, and understand sample preparation and high-resolution imaging.
Explore advances in powder metallurgy for nanostructured materials, including powder manufacturing, blending, compaction, and sintering to achieve dense, strong nanostructured alloys.
Explore advanced applications of nanostructured alloys and nanopowders produced by powder metallurgy, including injection molding, powder rolling, extrusion, and plasma spraying, and examine their automotive and electrochemical sensing uses.
Explore easy methods to prepare carbon nanomaterials, including candle soot for carbon nanoparticles and graphene-like sheets, sugar pyrolysis for carbon nanospheres, and green synthesis options.
This course offers an in-depth exploration into the dynamic and rapidly advancing field of nanotechnology, focusing on the design, fabrication, and analysis of advanced nanomaterials. Students will begin by understanding the historical evolution and modern significance of nanoscience, delving into how nanoscale phenomena are revolutionizing materials science and engineering. The curriculum provides comprehensive coverage of the classification of nanomaterials, with special emphasis on carbon nanostructures such as fullerenes, graphene, and carbon nanotubes. Key properties including mechanical strength, electrical conductivity, and surface reactivity will be analyzed in context with real-world applications.
The course further emphasizes both conventional and cutting-edge synthesis strategies, particularly top-down methods such as mechanical milling and lithography. Learners will gain a working knowledge of analytical techniques such as X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM), which are essential tools for characterizing nanostructures at the atomic and molecular scale. In addition, the course examines powder metallurgical processes and highlights the integration of nanomaterials into electrochemical sensors used in healthcare, environmental monitoring, and energy storage devices.
Through lectures, students will develop a strong theoretical and practical foundation in nanomaterial design, synthesis, and characterization. This course is ideal for students seeking careers in nanotechnology, materials science, or interdisciplinary engineering fields where nanomaterials play a critical role.