Optical properties of C60/a-C superlattice structures for solar cell applications |
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Authors: | Nobuaki Kojima Yusuke Sugiura Masafumi Yamaguchi |
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Affiliation: | aToyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya 468-8511, Japan |
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Abstract: | C60/amorphous carbon superlattice structures were fabricated by shutter-controlled molecular beam deposition. The periodic structure of resulted films was confirmed by X-ray diffraction measurements. From the UV–vis reflectance/transmittance measurements, the energy shift of absorption edge was observed in the superlattice structures as a function of their well width. The carbon-based superlattice structure is the useful technique to control the band gap energy of carbon materials. |
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