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Atmospheric Pressure Microplasma Gro...

Bouras, Mohammed,

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Atmospheric Pressure Microplasma Grown Gold Nanoshell on Upconversion Nanoparticles for Fluorescence Enhancement and Application in Water Desalination = = 利用常壓微電漿鍍金球殼的上轉換奈米粒子以增強螢光訊號及海水淡化的應用 /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Atmospheric Pressure Microplasma Grown Gold Nanoshell on Upconversion Nanoparticles for Fluorescence Enhancement and Application in Water Desalination =/ Mohammed Bouras.
其他題名:	利用常壓微電漿鍍金球殼的上轉換奈米粒子以增強螢光訊號及海水淡化的應用 /
作者:	Bouras, Mohammed,
面頁冊數:	1 electronic resource (107 pages)
附註:	Source: Masters Abstracts International, Volume: 86-02.
Contained By:	Masters Abstracts International86-02.
標題:	Silicon. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31574033
ISBN:	9798383577561

Atmospheric Pressure Microplasma Grown Gold Nanoshell on Upconversion Nanoparticles for Fluorescence Enhancement and Application in Water Desalination = = 利用常壓微電漿鍍金球殼的上轉換奈米粒子以增強螢光訊號及海水淡化的應用 /
Bouras, Mohammed,

Atmospheric Pressure Microplasma Grown Gold Nanoshell on Upconversion Nanoparticles for Fluorescence Enhancement and Application in Water Desalination =利用常壓微電漿鍍金球殼的上轉換奈米粒子以增強螢光訊號及海水淡化的應用 /Mohammed Bouras. - 1 electronic resource (107 pages)

Source: Masters Abstracts International, Volume: 86-02.

Upconversion nanoparticles (UCNPs) have been engineered to overcome the inherent weakness of a low quantum yield. A core-shell-shell structure has the UCNPs at the core, the silica (SiO2), and the gold (Au) forming the successive shells (UCNPs SiO2 Au). UCNPs were synthesized by the conventional thermal decomposition method on a Schlenk line setup, while the SiO2 was encapsulated through the reverse microemulsion technique. A novel atmospheric pressure microplasma (APM) method was used to obtain the final conformal Au nanoshell which was previously not possible. The UCNPs SiO2 Au showed a significant enhancement factor of 58 and 40 for the radiative transitions resulting in red and green emissions, respectively. The non-radiative transitions, resulting in heat, could also be enhanced in the UCNPs SiO2 Au structure compared to the UCNPs or UCNPs SiO2 as shown through infrared thermal imaging study in solid state. We utilized the engineered UCNPs SiO2 Au in saturated salt water desalination study, to separate the salt by vaporizing the water. These nanoheaters achieved a photothermal conversion efficiency of 67%. The salt recovery from saline water reached more than 96% when the UCNPs SiO2 Au coated silicon, glass, and copper substrates were irradiated with 2.81 W/cm2 CW 980 nm illumination. The times required to evaporate the water from a 100 μL saline droplet were 10, 30, and 35 minutes, respectively on silicon, glass, and copper substrates having different 980 nm absorption and contrasting thermal conductivity.

English

ISBN: 9798383577561Subjects--Topical Terms:

669429
Silicon.
Subjects--Index Terms:

Upconversion

Atmospheric Pressure Microplasma Grown Gold Nanoshell on Upconversion Nanoparticles for Fluorescence Enhancement and Application in Water Desalination = = 利用常壓微電漿鍍金球殼的上轉換奈米粒子以增強螢光訊號及海水淡化的應用 /
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520 $a Upconversion nanoparticles (UCNPs) have been engineered to overcome the inherent weakness of a low quantum yield. A core-shell-shell structure has the UCNPs at the core, the silica (SiO2), and the gold (Au) forming the successive shells (UCNPs SiO2 Au). UCNPs were synthesized by the conventional thermal decomposition method on a Schlenk line setup, while the SiO2 was encapsulated through the reverse microemulsion technique. A novel atmospheric pressure microplasma (APM) method was used to obtain the final conformal Au nanoshell which was previously not possible. The UCNPs SiO2 Au showed a significant enhancement factor of 58 and 40 for the radiative transitions resulting in red and green emissions, respectively. The non-radiative transitions, resulting in heat, could also be enhanced in the UCNPs SiO2 Au structure compared to the UCNPs or UCNPs SiO2 as shown through infrared thermal imaging study in solid state. We utilized the engineered UCNPs SiO2 Au in saturated salt water desalination study, to separate the salt by vaporizing the water. These nanoheaters achieved a photothermal conversion efficiency of 67%. The salt recovery from saline water reached more than 96% when the UCNPs SiO2 Au coated silicon, glass, and copper substrates were irradiated with 2.81 W/cm2 CW 980 nm illumination. The times required to evaporate the water from a 100 μL saline droplet were 10, 30, and 35 minutes, respectively on silicon, glass, and copper substrates having different 980 nm absorption and contrasting thermal conductivity.
520 $a 上转换纳米粒子 (UCNPs) 已被设计用于克服低量子产率的固有弱点。核-壳-壳结构以 UCNPs 为核心，二氧化硅 (SiO2) 和金 (Au) 形成连续的壳 (UCNPs SiO2 Au)。UCNPs 是通过 Schlenk 线装置上的传统热分解法合成的，而 SiO2 则通过反向微乳液技术封装。使用一种新颖的常压微等离子体 (APM) 方法获得了之前不可能获得的最终共形金纳米壳。UCNPs SiO2 Au 显示出显著的增强因子，辐射跃迁分别产生红色和绿色发射，分别为 58 和 40。与 UCNPs 或 UCNPs SiO2 相比，UCNPs SiO2 Au 结构中的非辐射跃迁（产生热量）也可以得到增强，如通过固态红外热成像研究所示。我们在饱和盐水淡化研究中利用了工程化的 UCNPs SiO2 Au，通过蒸发水来分离盐。这些纳米加热器的光热转换效率达到 67%。当 UCNPs SiO2 Au 涂层硅、玻璃和铜基板受到 2.81 W/cm2 CW 980 nm 照明照射时，盐水中的盐回收率达到 96% 以上。在具有不同 980 nm 吸收率和对比热导率的硅、玻璃和铜基板上，蒸发 100 μL 盐水滴中的水所需的时间分别为 10、30 和 35 分钟。.
546 $a English
590 $a School code: 2648
650 4 $a Silicon. $3 669429
650 4 $a Photographs. $3 627415
650 4 $a Spectrum analysis. $3 520440
650 4 $a Lasers. $3 535503
650 4 $a Nanoparticles. $3 605747
650 4 $a Temperature. $3 711968
650 4 $a Atmospheric pressure. $3 3686417
650 4 $a Water. $3 516619
650 4 $a Desalination. $3 3681473
650 4 $a Copper. $3 1070053
650 4 $a Nanomaterials. $3 3558221
650 4 $a Heat. $3 573595
650 4 $a Energy. $3 876794
650 4 $a Graphene. $3 1569149
650 4 $a Efficiency. $3 753744
650 4 $a Engineering. $3 586835
650 4 $a Nanotechnology. $3 526235
653 $a Upconversion
653 $a Nanoparticles
653 $a Microplasma
653 $a Emission
653 $a Enhancement
653 $a Desalination
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690 $a 0652
690 $a 0537
710 2 $a National Yang Ming Chiao Tung University. $b . $e degree granting institution. $3 3759215
720 1 $a Chattopadhyay, Surojit $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-02.
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791 $a M.S.
792 $a 2022
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