| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2013: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
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| Outline of Final Research Achievements |
Synthesis and its basic science of novel monolithic silica-based optical materials were explored using silane compounds as silicon sources. Elimination of nonessential reagents including cosolvents and simplification of synthesis routes were considered, and precise structural control and formation of metastable structure were intended by exploiting the advantage of liquid-phase synthesis. Novel materials such as ultraviolet-transparent glass-ceramics containing REPO4 nanocrystals with negligibly small Rayleigh scattering, highly efficient visible and ultraviolet phosphors derived from the glass-ceramics, RE-Al codoped silica glasses containing RE clusters, hydrophilic SiOH-rich polysilsesquioxane liquids with high viscosity stability, and ultraviolet-transparent organic-inorganic hybrids derived from the polysilsesquioxane liquids, were developed.
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