JP6399952B2 - La2Zr2O7ナノ粒子の製造方法 - Google Patents
La2Zr2O7ナノ粒子の製造方法 Download PDFInfo
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- JP6399952B2 JP6399952B2 JP2015044139A JP2015044139A JP6399952B2 JP 6399952 B2 JP6399952 B2 JP 6399952B2 JP 2015044139 A JP2015044139 A JP 2015044139A JP 2015044139 A JP2015044139 A JP 2015044139A JP 6399952 B2 JP6399952 B2 JP 6399952B2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
本発明の実施の形態のLa2Zr2O7ナノ粒子の製造方法は、硝酸ランタン[La(NO3)3]と硝酸ジルコニル[ZrO(NO3)2]とを超臨界流体中で反応させることにより、La2Zr2O7(LZ)のナノ粒子を合成することができる。
5mLのオートクレーブを反応器として用い、LZナノ粒子を合成する実験を行った。実験で使用する原料の調製は、Ar雰囲気下で、グローブボックスの内部で行った。原料として、濃度が0.04Mの硝酸ランタン六水和物[La(NO3)3・6H2O;和光純薬工業(株)製]の溶液と、濃度が0.04Mの硝酸ジルコニル二水和物[ZrO(NO3)2・2H2O;和光純薬工業(株)製]の溶液とを用い、これらをグローブボックス内で精製水に溶解させた。また、精製水には、濃度が2MのNaOH溶液も加え、pHの調整を行った。
Claims (4)
- 硝酸ランタン[La(NO3)3]と硝酸ジルコニル[ZrO(NO3)2]とを水に溶解し、その溶液を超臨界状態にして、前記硝酸ランタンと前記硝酸ジルコニルとを反応させることにより、La2Zr2O7ナノ粒子を合成することを特徴とするLa2Zr2O7ナノ粒子の製造方法。
- 前記超臨界流体の温度は430℃以上であり、
前記硝酸ランタンと前記硝酸ジルコニルとの反応時間は45分以上であることを
特徴とする請求項1記載のLa2Zr2O7ナノ粒子の製造方法。 - 前記超臨界流体の温度は445℃以上460℃以下であり、
前記硝酸ランタンと前記硝酸ジルコニルとの反応時間は45分以上90分以下であることを
特徴とする請求項1記載のLa2Zr2O7ナノ粒子の製造方法。 - 前記超臨界流体のpHが10.5以上であることを特徴とする請求項1乃至3のいずれか1項に記載のLa2Zr2O7ナノ粒子の製造方法。
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JP6399952B2 true JP6399952B2 (ja) | 2018-10-03 |
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Families Citing this family (2)
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JP6854477B2 (ja) * | 2016-12-26 | 2021-04-07 | 住友金属鉱山株式会社 | ペロブスカイト型複合酸化物の製造方法 |
CN110975859B (zh) * | 2019-12-30 | 2023-03-24 | 华北水利水电大学 | 一种钒酸盐光催化材料的制备方法 |
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KR20040100136A (ko) * | 2003-05-21 | 2004-12-02 | 한화석유화학 주식회사 | 금속 산화물의 도핑 방법 |
JP2012188325A (ja) * | 2011-03-11 | 2012-10-04 | Seiko Epson Corp | チタン酸ランタンの製造方法 |
JP2013100200A (ja) * | 2011-11-09 | 2013-05-23 | Seiko Epson Corp | チタン酸ランタン化合物の製造方法およびチタン酸ランタン化合物 |
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