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Multi-color luminescence from nanocrystalline silicon

  • Hiroshi Kunii (a1), Keisuke Sato (a1), Kenji Hirakuri (a1) and Tomio Izumi (a2)

Abstract

We have investigated correlation between luminescence property and particle size of nanocrystalline silicon (nc-Si) fabricated by controlling Si concentration in an amorphous SiOx (a-SiOx) films. The Si concentration in the a-SiOx film was increased with increasing a RF power and lowering a gas pressure. The increase of Si concentration led to expansion of the particle size of nc-Si. The particle size of nc-Si was varied from 1.8 nm up to 3.5 nm for the sample introduced the Si concentration from 0.7 % up to 9 %. The luminescent color from nc-Si grains, which differs in size, showed a red/green/blue lights.

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Multi-color luminescence from nanocrystalline silicon

  • Hiroshi Kunii (a1), Keisuke Sato (a1), Kenji Hirakuri (a1) and Tomio Izumi (a2)

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