KR102379410B1 - 규소 피복 금속 미립자, 규소 화합물 피복 금속 미립자 및 그 제조 방법 - Google Patents
규소 피복 금속 미립자, 규소 화합물 피복 금속 미립자 및 그 제조 방법 Download PDFInfo
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- KR102379410B1 KR102379410B1 KR1020187034465A KR20187034465A KR102379410B1 KR 102379410 B1 KR102379410 B1 KR 102379410B1 KR 1020187034465 A KR1020187034465 A KR 1020187034465A KR 20187034465 A KR20187034465 A KR 20187034465A KR 102379410 B1 KR102379410 B1 KR 102379410B1
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- silicon compound
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- precursor
- silicon
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- 150000003377 silicon compounds Chemical class 0.000 title claims abstract description 414
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 338
- 239000002184 metal Substances 0.000 title claims abstract description 329
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 96
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000010703 silicon Substances 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title claims description 31
- 239000010419 fine particle Substances 0.000 claims abstract description 476
- 239000002243 precursor Substances 0.000 claims abstract description 298
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- 238000000034 method Methods 0.000 claims description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 239000011164 primary particle Substances 0.000 claims description 45
- 238000000576 coating method Methods 0.000 claims description 40
- 239000011248 coating agent Substances 0.000 claims description 39
- 239000012298 atmosphere Substances 0.000 claims description 31
- -1 oxides Chemical class 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
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- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2는 실시예 1-5에서 얻어진 규소 화합물 피복 규소 알루미늄 도프 철 미립자의 XRD 측정 결과이다.
도 3은 실시예 1-5에서 얻어진 규소 화합물 피복 규소 알루미늄 도프 철 미립자의 XRD 측정 결과에 있어서 피크가 확인된 영역을 확대하고, 피크 리스트를 데이터 베이스에 있어서의 Fe(Metal)의 피크와 비교한 도면이다.
도 4는 실시예 1-8에서 얻어진 규소 화합물 피복 규소 알루미늄 도프 철 미립자의 STEM 매핑 결과이다.
Claims (20)
- 삭제
- 적어도 1종의 금속 원소 또는 반금속 원소로 이루어지는 금속 미립자의 표면 중 적어도 일부가 비정질 규소 화합물을 포함하는 규소 화합물로 피복된 규소 화합물 피복 금속 미립자로서,
상기 규소 화합물 피복 금속 미립자가,
상기 금속 미립자의 전구체를 포함하는 전구체 미립자의 표면 중 적어도 일부를 규소 화합물로 피복한 규소 화합물 피복 전구체 미립자, 또는 상기 금속 미립자의 전구체를 포함하는 규소 도프 전구체 미립자를 환원 처리한 후, 규소 피복 금속 미립자의 표층을 산화 처리한 것임을 특징으로 하는 규소 화합물 피복 금속 미립자. - 적어도 1종의 금속 원소 또는 반금속 원소로 이루어지는 금속 미립자의 표면 중 적어도 일부가 비정질 규소 화합물을 포함하는 규소 화합물로 피복된 규소 화합물 피복 금속 미립자로서,
상기 규소 화합물 피복 금속 미립자가,
상기 금속 미립자의 전구체를 포함하는 1차 입자 지름이 100㎚ 이하인 전구체 미립자의 표면 중 적어도 일부를 규소 화합물로 피복한 규소 화합물 피복 전구체 미립자, 또는 상기 금속 미립자의 전구체를 포함하는 1차 입자 지름이 100㎚ 이하인 규소 도프 전구체 미립자를 환원 처리한 것임을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항 또는 제 3 항에 있어서,
상기 규소 화합물 피복 전구체 미립자는 1개의 전구체 미립자의 표면 중 적어도 일부를 규소 화합물로 피복한 것이며, 상기 전구체 미립자의 1차 입자 지름이 100㎚ 이하이며, 또한 상기 규소 화합물 피복 전구체 미립자의 1차 입자 지름이 상기 전구체 미립자의 1차 입자 지름의 100.5% 이상, 190% 이하인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항 또는 제 3 항에 있어서,
상기 규소 화합물 피복 전구체 미립자는 코어가 되는 1개의 전구체 미립자의 표면 전체를 셸이 되는 규소 화합물로 피복한 코어 셸형 규소 화합물 피복 전구체 미립자인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항 또는 제 3 항에 있어서,
상기 규소 화합물 피복 전구체 미립자는 복수개의 전구체 미립자가 응집한 응집체의 표면 중 적어도 일부를 규소 화합물로 피복한 것이며, 상기 응집체의 지름이 100㎚ 이하이며, 또한 상기 규소 화합물 피복 전구체 미립자는 그 입자 지름이 상기 응집체의 지름의 100.5% 이상, 190% 이하인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항 또는 제 3 항에 있어서,
상기 규소 화합물 피복 전구체 미립자 또는 규소 도프 전구체 미립자가 환원성 분위기에서의 열처리가 실시되기 전에 있어서는 상기 금속 미립자의 내부에 규소를 포함하는 것이며, 상기 환원성 분위기에서의 열처리가 실시되기 전에 비해 상기 규소가 상기 전구체 미립자의 내부로부터 외주 방향으로 적어도 일부가 이행한 규소 화합물 피복 전구체 미립자인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 삭제
- 제 2 항 또는 제 3 항에 있어서,
상기 전구체가 상기 규소 화합물 피복 금속 미립자를 구성하는 적어도 1종의 금속 원소 또는 반금속 원소의 염, 산화물, 수산화물 및 수산화산화물로부터 선택되는 적어도 1종인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항 또는 제 3 항에 있어서,
상기 전구체가 비정질의 전구체를 포함하는 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 3 항에 있어서,
상기 규소 화합물 피복 금속 미립자는 1개의 금속 미립자의 표면 중 적어도 일부를 규소 화합물로 피복한 것이며, 상기 금속 미립자의 1차 입자 지름이 1㎛ 이하이며, 또한 상기 규소 화합물 피복 금속 미립자의 1차 입자 지름이 상기 금속 미립자의 1차 입자 지름의 100.5% 이상, 190% 이하인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 11 항에 있어서,
상기 규소 화합물 피복 금속 미립자는 코어가 되는 1개의 금속 미립자의 표면 전체를 셸이 되는 규소 화합물로 피복한 코어 셸형 규소 화합물 피복 금속 미립자인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 3 항에 있어서,
상기 규소 화합물 피복 금속 미립자는 복수개의 금속 미립자가 응집한 응집체의 표면 중 적어도 일부를 규소 화합물로 피복한 것이며, 상기 응집체의 지름이 1㎛ 이하이며, 또한 상기 규소 화합물 피복 금속 미립자는 그 입자 지름이 상기 응집체의 지름의 100.5% 이상, 190% 이하인 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항, 제 3 항 및 제 11 항 내지 제 13 항 중 어느 한 항에 있어서,
상기 금속 원소 또는 반금속 원소가 니켈, 철, 규소 및 알루미늄으로 이루어지는 군으로부터 선택되는 적어도 1종을 포함하는 것을 특징으로 하는 규소 화합물 피복 금속 미립자. - 제 2 항, 제 3 항 및 제 11 항 내지 제 13 항 중 어느 한 항에 기재된 규소 화합물 피복 금속 미립자를 포함하는 조성물로서, 도포용, 투명재용, 자성체, 도전성, 착색용, 반응용 및 촉매용에서 선택된 용도에 사용되기 위한 것인, 조성물.
- 적어도 1종의 금속 원소 또는 반금속 원소로 이루어지는 금속 미립자의 표면 중 적어도 일부가 비정질 규소 화합물을 포함하는 규소 화합물로 피복된 규소 화합물 피복 금속 미립자의 제조 방법으로서,
상기 금속 미립자의 전구체를 포함하는 전구체 미립자의 표면 중 적어도 일부를 규소 화합물로 피복한 규소 화합물 피복 전구체 미립자, 또는 상기 금속 미립자의 전구체를 포함하는 규소 도프 전구체 미립자를 규소 화합물 피복 금속 미립자에까지 환원 처리하는 것을 특징으로 하는 규소 화합물 피복 금속 미립자의 제조 방법. - 제 16 항에 있어서,
상기 규소 화합물 피복 전구체 미립자 또는 상기 규소 도프 전구체 미립자를 규소 피복 금속 미립자에까지 환원 처리하고, 환원 처리된 후의 규소 피복 금속 미립자의 표층을 산화 처리하는 것을 특징으로 하는 규소 화합물 피복 금속 미립자의 제조 방법. - 제 16 항 또는 제 17 항에 있어서,
상기 규소 화합물 피복 전구체 미립자 또는 규소 도프 전구체 미립자의 1차 입자 지름이 100㎚ 이하인 것을 특징 하는 규소 화합물 피복 금속 미립자의 제조 방법. - 제 16 항 또는 제 17 항에 있어서,
상기 환원 처리가 규소 화합물 피복 전구체 미립자 또는 상기 규소 도프 전구체 미립자의 분말을 환원성 분위기에 있어서 열처리하는 것이며, 상기 환원성 분위기에 있어서의 열처리 온도와 처리 시간을 제어함으로써 규소 화합물 피복 금속 미립자의 입자 지름을 제어하는 것을 특징으로 하는 규소 화합물 피복 금속 미립자의 제조 방법. - 제 16 항 또는 제 17 항에 있어서,
상기 환원 처리 후의 규소 화합물 피복 금속 미립자의 입자 지름을 환원 처리 전의 규소 화합물 피복 전구체 미립자 또는 규소 도프 전구체 미립자보다 증대시키는 것을 특징으로 하는 규소 화합물 피복 금속 미립자의 제조 방법.
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PCT/JP2016/083001 WO2018083805A1 (ja) | 2016-11-07 | 2016-11-07 | 色特性を制御されたケイ素化合物被覆酸化物粒子の製造方法、及びケイ素化合物被覆酸化物粒子、並びにそのケイ素化合物被覆酸化物粒子を含む塗布用組成物 |
PCT/JP2017/020659 WO2017209288A1 (ja) | 2016-06-02 | 2017-06-02 | ケイ素被覆金属微粒子、ケイ素化合物被覆金属微粒子及びその製造方法 |
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