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片浦プロット（かたうらプロット）は、21世紀におけるカーボンナノテクノロジー分野の新しい専門用語である。 片浦弘道は、主要な光学応答遷移のエネルギーがカーボンナノチューブの直径に依存することを明示した。その後、励起子効果を含めた光学遷移エネルギーが、ナノチューブの直径が太くなると下がることが実験的に証明され、理論研究とも定量的に合致した。 東北大学大学院理学研究科教授斉藤理一郎によって命名された物理学・化学分野の専門用語で、世界的に波及しつつある。
, The optical properties of carbon nanotubes … The optical properties of carbon nanotubes are highly relevant for materials science. The way those materials interact with electromagnetic radiation is unique in many respects, as evidenced by their peculiar absorption, photoluminescence (fluorescence), and Raman spectra. Carbon nanotubes are unique "one-dimensional" materials, whose hollow fibers (tubes) have a unique and highly ordered atomic and electronic structure, and can be made in a wide range of dimension. The diameter typically varies from 0.4 to 40 nm (i.e., a range of ~100 times). However, the length can reach 55.5 cm (21.9 in), implying a length-to-diameter ratio as high as 132,000,000:1; which is unequaled by any other material. Consequently, all the electronic, optical, electrochemical and mechanical properties of the carbon nanotubes are extremely anisotropic (directionally dependent) and tunable. Applications of carbon nanotubes in optics and photonics are still less developed than in other fields. Some properties that may lead to practical use include tuneability and wavelength selectivity. Potential applications that have been demonstrated include light emitting diodes (LEDs), bolometers and . Apart from direct applications, the optical properties of carbon nanotubes can be very useful in their manufacture and application to other fields. Spectroscopic methods offer the possibility of quick and non-destructive characterization of relatively large amounts of carbon nanotubes, yielding detailed measurements of non-tubular carbon content, tube type and chirality, structural defects, and many other properties that are relevant to those other applications. are relevant to those other applications.
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The optical properties of carbon nanotubes … The optical properties of carbon nanotubes are highly relevant for materials science. The way those materials interact with electromagnetic radiation is unique in many respects, as evidenced by their peculiar absorption, photoluminescence (fluorescence), and Raman spectra. Applications of carbon nanotubes in optics and photonics are still less developed than in other fields. Some properties that may lead to practical use include tuneability and wavelength selectivity. Potential applications that have been demonstrated include light emitting diodes (LEDs), bolometers and .t emitting diodes (LEDs), bolometers and .
, 片浦プロット（かたうらプロット）は、21世紀におけるカーボンナノテクノロジー分野の新しい専門用語である。 片浦弘道は、主要な光学応答遷移のエネルギーがカーボンナノチューブの直径に依存することを明示した。その後、励起子効果を含めた光学遷移エネルギーが、ナノチューブの直径が太くなると下がることが実験的に証明され、理論研究とも定量的に合致した。 東北大学大学院理学研究科教授斉藤理一郎によって命名された物理学・化学分野の専門用語で、世界的に波及しつつある。
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Optical properties of carbon nanotubes
, 片浦プロット
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