The Discovery and Future of Carbon Nanotubes Sumio Iijima

Dr. Sumio Iijima, the discoverer of carbon nanotubes (CNTs), reflects on their significance in nanotechnology and the challenges in advancing their practical applications. Since his landmark discovery in 1991, CNTs have been recognized as a fourth allotrope of carbon, with extraordinary properties that could revolutionize industries, particularly electronics. However, a major obstacle remains: achieving the mass production of CNTs in a uniform, aligned form suitable for applications like semiconductors and transistors, which are predicted to outperform silicon-based technologies. Dr. Iijima emphasizes the interconnectedness of pure and applied research, noting that material discoveries often stem from serendipity and trial-and-error experimentation. His ongoing work highlights the broader impact of material science in driving both academic inquiry and industrial innovation.

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