ソフト溶液プロセス-地球の新陳代謝に合わせた高機能材料の作製法(その概念と実現)-

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Features of materials production in ecological (biological) and industrial systems have been considered in view of environmental impacts based upon mainly energy consumption in both systems. Materials production in industrial systems can be characterized to be just high efficiency, high rate and mass production using processings with unlimited reaction media, raw materials and conditions thus it would bring about high environmental impacts. Materials production in ecological systems is limited in materials and energies included in reactions thus environmentally friendly in comparison with industrial systems. These difference can be interpreted by energy level of materials and reactions. In order to reduce environmental impacts, we must use solution processing in the fabrication processes of inorganic materials in their industrial fabrication. Based upon above consideration, we have proposed "Soft Solution-Processing" where high performance inorganic materials like ceramics and / or compound semiconductors can be fabricated directly on constituent substrates in solutions. Double oxides, perovskites as BaTiO3, SrTiO3, Sheelites as BaWO4, SrMoO4, LiMO2 (M = Co, Ni), Hydroxyapatite and some carbon materials could be prepared in film forms on constituent substrates in aqueous solutions at low temperatures of <200 °C mostly 120-150 °C. Fabrication of other materials from solution precursors are also discussed.
社団法人資源・素材学会の論文
2000-08-25

ソフト溶液プロセス-地球の新陳代謝に合わせた高機能材料の作製法(その概念と実現)-

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