KR20170018330A - 스트레인된 나노입자를 포함하는 나노입자의 합성을 위한 방법 및 시스템 - Google Patents
스트레인된 나노입자를 포함하는 나노입자의 합성을 위한 방법 및 시스템 Download PDFInfo
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Abstract
Description
도 2는 나노입자를 생산하기 위한 시스템이다.
도 3은 나노입자를 포함하는 하나 또는 그 이상의 디바이스의 제작을 설명하는 공정도이다.
도 4는 나노입자를 포함하는 코팅된 기판의 층을 설명하는 도표이다.
도 5는, 보다 큰 (25 nm) 규소 나노결정의 층 상에 증착된 보다 작은 (9 nm) 규소 나노결정의 층의 주사형 전자 현미경 사진이다.
도 6은 나노입자를 포함하는 코팅된 기판의 층을 설명하는 도면이다.
도 7은, 나노입자를 포함하는 코팅된 기판의 층을 설명하는 도면이다.
| 1 cm2의 규소 필름의 전형적인 특성 | |
| Volts | 1.5 |
| Amps | 0.005 |
| Watts | 0.0075 |
| 베터리 수명(Battery Life) (hrs) | 48 |
| Watt-Hours | 0.36 |
| Kilowatt-Hours | 0.00036 |
| Megajoules (MJ) | 0.001296 |
| Grams of Si | 0.00018632 |
| Volts | 1.5 |
| Amps | 0.005 |
| Watts | 0.0075 |
| 에너지 밀도 비교(Energy Density Comparison) | |
| 배열된 QED(arrayed QED) | ~ 7000 MJ/Kg |
| 알칼리성(alkaline) | 0.59 MJ/Kg |
| 재충전가능한 리튬-이온 (lithium-ion rechargeable) |
0.46 MJ/Kg |
| 아연-공기(zinc-air) | 1.59 MJ/Kg |
| 니켈 수소 합금 (nickel metal hydride) |
0.36 MJ/Kg |
Claims (29)
- 반응물 스트림(reactant stream)을 수득하도록 유동 캐리어 가스(flowing carrier gas)의 존재에서 전구체 용액을 에어로졸화하는 단계로서, 상기 전구체 용액은 휘발성 용매 및 나노입자 전구체를 포함하는 것인, 단계;
다수의 나노입자를 포함하는 생성물 스트림(product stream)을 형성하도록 상기 휘발성 용매의 끓는점 이상의 온도로 상기 반응물 스트림을 가열하는 단계;
상기 생성물 스트림을 냉각시키는 단계; 및
상기 생성물 스트림으로부터 상기 나노입자를 수집하도록 수집 액체를 통해 상기 생성물 스트림을 통과시키는 단계;
를 포함하는 방법.
- 제1항에 있어서,
상기 캐리어 가스는 비활성 가스인 것인, 방법.
- 제1항에 있어서,
상기 휘발성 용매는 메탄올, 에탄올, 이소프로판올, 부탄올, 및 이의 어떠한 조합으로 이루어진 군으로부터 선택된 적어도 하나를 포함하는 것인, 방법.
- 제1항에 있어서,
상기 나노입자 전구체는 유기 금속 화합물(organometallic compound)을 포함하는 것인, 방법.
- 제1항에 있어서,
상기 나노입자 전구체는 IV 족 화합물(Group IV compound)을 포함하는 것인, 방법.
- 제1항에 있어서,
상기 휘발성 용매의 끓는점 이상의 온도는 약 500 ℃ 내지 약 1200 ℃ 사이인 것인, 방법.
- 제1항에 있어서,
상기 반응물 스트림을 가열하는 단계는, 튜브 노(tube furnace)를 통해 상기 반응물 스트림을 통과시키는 것을 포함하는 것인, 방법.
- 제1항에 있어서,
상기 나노입자는 IV 족 원소(Group IV element)를 포함하고, 쉬프트된 결정면 피크(shifted crystal plane peak)를 가지는 것인, 방법.
- 제1항에 있어서,
상기 나노입자는 다중모달 직경 분포를 가지는 것인, 방법.
- 제1항에 있어서,
상기 나노입자는 약 3 nm 내지 약 1000 nm 사이의 평균 직경을 가지는 것인, 방법.
- 제1항에 있어서,
상기 나노입자는 ± 약 0.5 nm 내지 ± 약 10 nm의 표준 편차를 가지는 직경 분포를 가지는 것인, 방법.
- 반응물 스트림을 수득하도록 유동 캐리어 가스의 존재에서 전구체 용액을 연속적으로 에어로졸화하는 단계로서, 상기 전구체 용액은 휘발성 용매 및 나노입자 전구체를 포함하는 것인, 단계;
상기 전구체 용액을 연속적으로 보충하는 단계;
다수의 나노입자를 포함하는 생성물 스트림을 형성하도록 상기 휘발성 용매의 끓는점 이상의 온도로 상기 반응물 스트림을 가열하는 단계;
상기 생성물 스트림을 냉각시키는 단계;
상기 생성물 스트림으로부터 상기 나노입자를 수집하도록 수집 액체를 통해 상기 생성물 스트림을 통과시키는 단계; 및
상기 수집 액체를 연속적으로 교체하는 단계;
를 포함하는, 방법.
- 제12항에 있어서,
상기 수집 액체로부터 상기 나노입자를 추출하는 단계를 더 포함하는, 방법.
- 제12항에 있어서,
상기 수집 액체로부터 상기 나노입자를 연속적으로 추출하는 단계를 더 포함하는, 방법.
- 제12항에 있어서,
에어로졸화하는 단계는 약 1 kHz 내지 약 200 kHz 사이의 주파수에서 발생하는 것인, 방법.
- 제12항에 있어서,
상기 나노입자 전구체는 유기 금속 화합물에 있는 것(the nanoparticle precursor is in an organometallic compound)인, 방법.
- 제12항에 있어서,
상기 나노입자 전구체는 IV 족 화합물을 포함하는 것인, 방법.
- 제12항에 있어서,
상기 나노입자는 IV 족 원소를 포함하고, 쉬프트된 결정면 피크를 가지는 것인, 방법.
- 제12항에 있어서,
상기 나노입자는 다중모달 직경 분포를 가지는 것인, 방법.
- IV 족 원소를 포함하고, 쉬프트된 결정면 피크를 가지는 나노입자.
- 제20항에 있어서,
상기 나노입자는 약 3 nm 내지 약 1000 nm 사이의 직경을 가지는 것인, 나노입자.
- 제20항에 있어서,
상기 쉬프트된 결정면 피크는, 약 1°내지 약 8°사이로 쉬프트된 2θ 수치를 가지는 (111) 결정면인 것인, 나노입자.
- 제20항에 있어서,
상기 나노입자는 약 1:10 내지 약 10:1 사이의 규소 대 게르마늄의 몰 비로 규소 및 게르마늄을 포함하는 것인, 나노입자.
- 휘발성 용매 및 나노입자 전구체를 포함하는 전구체 용액을 함유하고, 캐리어 가스를 수용하도록 배열된(configured) 전구체 용액 용기(precursor solution vessel);
상기 전구체 용액을 에어로졸화하기 위한 에어로졸화 디바이스(aerosolizing device);
나노입자를 생산하도록 상기 캐리어 가스 및 상기 에어로졸화된 전구체 용액을 포함하는 반응물 스트림을 수송하고 가열하도록 배열된 튜브 노(tube furnace);
상기 나노입자를 수집하기 위해 수집 액체를 함유하는 수집 용기;
를 포함하는, 나노입자를 합성하기 위한 시스템.
- 제24항에 있어서,
상기 튜브 노는 테이퍼 튜브 노(tapered tube furnace)를 포함하는 것인, 시스템.
- 제24항에 있어서,
상기 수집 액체가 상기 튜브 노를 통과하는 것을 방지하도록 배열된 밸브를 더 포함하는, 시스템.
- 제24항에 있어서,
상기 전구체 용액 용기에 전구체 용액을 연속적으로 첨가하기 위한 실린지 펌프를 더 포함하는, 시스템.
- 제24항에 있어서,
상기 에어로졸화 디바이스는 초음파 분쇄기(sonicator), 미스테르(mister) 및 분무기 중의 하나인 것인, 시스템.
- 제24항에 있어서,
상기 튜브 노는 상이한 구역 온도를 가지는 다수의 구역을 포함하는 것인, 시스템.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461993779P | 2014-05-15 | 2014-05-15 | |
| US61/993,779 | 2014-05-15 | ||
| PCT/US2015/031255 WO2015176045A1 (en) | 2014-05-15 | 2015-05-15 | Methods and systems for the synthesis of nanoparticles including strained nanoparticles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170018330A true KR20170018330A (ko) | 2017-02-17 |
| KR101990189B1 KR101990189B1 (ko) | 2019-06-17 |
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| US10258959B2 (en) | 2010-08-11 | 2019-04-16 | Unit Cell Diamond Llc | Methods of producing heterodiamond and apparatus therefor |
| CN106501135A (zh) * | 2016-10-31 | 2017-03-15 | 中国科学技术大学 | 一种气溶胶成核反应器 |
| CN107990918B (zh) * | 2017-10-20 | 2020-04-17 | 苏州大学 | 通过多级结构设计制备高敏感度压阻式传感器的方法 |
| CN109266524B (zh) * | 2018-09-21 | 2021-07-06 | 中国科学院生态环境研究中心 | 一种封闭式微生物气溶胶发生装置 |
| US11056338B2 (en) | 2018-10-10 | 2021-07-06 | The Johns Hopkins University | Method for printing wide bandgap semiconductor materials |
| US11823900B2 (en) | 2018-10-10 | 2023-11-21 | The Johns Hopkins University | Method for printing wide bandgap semiconductor materials |
| KR102869702B1 (ko) | 2020-03-06 | 2025-10-14 | 주식회사 엘지에너지솔루션 | 신규한 이차 전지의 제조 방법 |
| CN114044671A (zh) * | 2021-08-31 | 2022-02-15 | 陕西天璇涂层科技有限公司 | 一种离心式喷雾造粒法制备高熵稀土钽酸盐空心球粉体的方法 |
| CN116199258A (zh) * | 2022-12-30 | 2023-06-02 | 化学与精细化工广东省实验室潮州分中心 | 一种粒径可控的纳米Zr2O粉体的制备方法 |
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| WO2010014979A1 (en) * | 2008-08-01 | 2010-02-04 | The Regents Of The University Of Colorado | Methods for the preparation of germanium and silicon nanocrystals |
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- 2015-05-15 EP EP15792137.0A patent/EP3142965A4/en not_active Withdrawn
- 2015-05-15 KR KR1020167035019A patent/KR101990189B1/ko not_active Expired - Fee Related
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| WO2010014979A1 (en) * | 2008-08-01 | 2010-02-04 | The Regents Of The University Of Colorado | Methods for the preparation of germanium and silicon nanocrystals |
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| EP3142965A4 (en) | 2018-01-24 |
| US20170081199A1 (en) | 2017-03-23 |
| EP3142965A1 (en) | 2017-03-22 |
| KR101990189B1 (ko) | 2019-06-17 |
| JP2017525580A (ja) | 2017-09-07 |
| JP6525447B2 (ja) | 2019-06-05 |
| CA2949102A1 (en) | 2015-11-19 |
| US10544046B2 (en) | 2020-01-28 |
| CA2949102C (en) | 2019-11-26 |
| WO2015176045A1 (en) | 2015-11-19 |
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