CN111205853A - 一种二氧化硅包覆的全无机钙钛矿核壳结构量子点的制备方法 - Google Patents
一种二氧化硅包覆的全无机钙钛矿核壳结构量子点的制备方法 Download PDFInfo
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- CN111205853A CN111205853A CN202010075445.1A CN202010075445A CN111205853A CN 111205853 A CN111205853 A CN 111205853A CN 202010075445 A CN202010075445 A CN 202010075445A CN 111205853 A CN111205853 A CN 111205853A
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- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 3
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- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112029495A (zh) * | 2020-07-29 | 2020-12-04 | 温州大学 | CsPbX3量子点、宽色域量子点粉末组合及白光LED |
CN112724962A (zh) * | 2021-01-20 | 2021-04-30 | 上海比英半导体科技有限公司 | 一种有机半导体薄膜及其制备方法 |
CN112808282A (zh) * | 2021-01-20 | 2021-05-18 | 河南大学 | 一种铯铅溴钙钛矿@二氧化硅空心介孔球核壳结构、其制备方法及应用 |
CN113214830A (zh) * | 2021-05-08 | 2021-08-06 | 南京理工大学 | 双酸辅助合成CsPbX3量子点的方法 |
CN113930233A (zh) * | 2021-10-25 | 2022-01-14 | 五邑大学 | 钙钛矿纳米晶材料及其制备方法和应用 |
CN114315156A (zh) * | 2021-11-30 | 2022-04-12 | 无锡极电光能科技有限公司 | 钙钛矿量子点釉料、光伏玻璃及其制备方法和光伏组件 |
CN114621760A (zh) * | 2022-03-10 | 2022-06-14 | 中国人民解放军国防科技大学 | 一种表面等离激元协同增强的钙钛矿量子点及其制备方法 |
CN114686217A (zh) * | 2022-01-28 | 2022-07-01 | 石家庄铁道大学 | 一种可降解聚合物包裹临界态全无机钙钛矿量子点的制备方法 |
KR20220126906A (ko) * | 2021-03-10 | 2022-09-19 | 중앙대학교 산학협력단 | 페로브스카이트 코어쉘 퀀텀닷 및 이의 제조방법 |
CN115074113A (zh) * | 2022-07-04 | 2022-09-20 | 无锡极电光能科技有限公司 | 一种铯铜碘蓝光纳米晶及其制备方法和用途 |
CN115465884A (zh) * | 2022-09-20 | 2022-12-13 | 上海应用技术大学 | 一种黄光全无机钙钛矿量子点及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108728077A (zh) * | 2018-05-08 | 2018-11-02 | 天津理工大学 | 合成二氧化硅包覆无机钙钛矿量子点的制备方法 |
CN108929671A (zh) * | 2018-08-06 | 2018-12-04 | 湖北文理学院 | 二氧化硅包覆钙钛矿量子点的纳米颗粒、其制备方法及光电纳米材料 |
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2020
- 2020-01-22 CN CN202010075445.1A patent/CN111205853B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108728077A (zh) * | 2018-05-08 | 2018-11-02 | 天津理工大学 | 合成二氧化硅包覆无机钙钛矿量子点的制备方法 |
CN108929671A (zh) * | 2018-08-06 | 2018-12-04 | 湖北文理学院 | 二氧化硅包覆钙钛矿量子点的纳米颗粒、其制备方法及光电纳米材料 |
Non-Patent Citations (1)
Title |
---|
FEI ZHENG等: "A novel bulk phosphor for white LDs: CsPbBr3/Cs4PbBr6 composite quantum dots-embedded borosilicate glass with high PLQY and excellent stability", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112029495A (zh) * | 2020-07-29 | 2020-12-04 | 温州大学 | CsPbX3量子点、宽色域量子点粉末组合及白光LED |
CN112724962A (zh) * | 2021-01-20 | 2021-04-30 | 上海比英半导体科技有限公司 | 一种有机半导体薄膜及其制备方法 |
CN112808282A (zh) * | 2021-01-20 | 2021-05-18 | 河南大学 | 一种铯铅溴钙钛矿@二氧化硅空心介孔球核壳结构、其制备方法及应用 |
KR20220126906A (ko) * | 2021-03-10 | 2022-09-19 | 중앙대학교 산학협력단 | 페로브스카이트 코어쉘 퀀텀닷 및 이의 제조방법 |
KR102657404B1 (ko) | 2021-03-10 | 2024-04-12 | 중앙대학교 산학협력단 | 페로브스카이트 코어쉘 퀀텀닷 및 이의 제조방법 |
CN113214830A (zh) * | 2021-05-08 | 2021-08-06 | 南京理工大学 | 双酸辅助合成CsPbX3量子点的方法 |
CN113930233A (zh) * | 2021-10-25 | 2022-01-14 | 五邑大学 | 钙钛矿纳米晶材料及其制备方法和应用 |
CN113930233B (zh) * | 2021-10-25 | 2024-05-17 | 中茂光伏科技集团有限公司 | 钙钛矿纳米晶材料及其制备方法和应用 |
CN114315156B (zh) * | 2021-11-30 | 2023-12-29 | 无锡极电光能科技有限公司 | 钙钛矿量子点釉料、光伏玻璃及其制备方法和光伏组件 |
CN114315156A (zh) * | 2021-11-30 | 2022-04-12 | 无锡极电光能科技有限公司 | 钙钛矿量子点釉料、光伏玻璃及其制备方法和光伏组件 |
CN114686217A (zh) * | 2022-01-28 | 2022-07-01 | 石家庄铁道大学 | 一种可降解聚合物包裹临界态全无机钙钛矿量子点的制备方法 |
CN114686217B (zh) * | 2022-01-28 | 2023-10-27 | 石家庄铁道大学 | 一种可降解聚合物包裹临界态全无机钙钛矿量子点的制备方法 |
CN114621760A (zh) * | 2022-03-10 | 2022-06-14 | 中国人民解放军国防科技大学 | 一种表面等离激元协同增强的钙钛矿量子点及其制备方法 |
CN115074113A (zh) * | 2022-07-04 | 2022-09-20 | 无锡极电光能科技有限公司 | 一种铯铜碘蓝光纳米晶及其制备方法和用途 |
CN115465884A (zh) * | 2022-09-20 | 2022-12-13 | 上海应用技术大学 | 一种黄光全无机钙钛矿量子点及其制备方法和应用 |
CN115465884B (zh) * | 2022-09-20 | 2023-11-24 | 上海应用技术大学 | 一种黄光全无机钙钛矿量子点及其制备方法和应用 |
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