Effects of annealing on UV luminescence of hexagonal boron nitride powder

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  • 六方晶BN粉末の紫外発光に対する熱処理の効果(発光型/非発光型ディスプレイ合同研究会)
  • 六方晶BN粉末の紫外発光に対する熱処理の効果
  • 6ポウショウ BN フンマツ ノ シガイ ハッコウ ニ タイスル ネツ ショリ ノ コウカ

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Abstract

There has been increasing interest in hexagonal boron nitride (h-BN), which shows UV emission at 215nm. Aiming at the application of this material as powder phosphors, we have investigated the effect of the annealing condition at various atmospheres (N_2, H_2, NH_3 and O_2) on its UV emission. The intensity of the 320nm emission band decreased with the annealing at more than 1200℃ in a vacuum. It also decreased in the H_2 and NH_3 atmosphere, while increased by the annealing at 900℃ in the O_2 atmosphere.

Journal

  • ITE Technical Report

    ITE Technical Report 33.5 (0), 5-8, 2009

    The Institute of Image Information and Television Engineers

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