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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳永芳 | |
| dc.contributor.author | Yao-Hsuan Li | en |
| dc.contributor.author | 李曜亘 | zh_TW |
| dc.date.accessioned | 2021-06-17T07:04:55Z | - |
| dc.date.available | 2020-08-05 | |
| dc.date.copyright | 2019-08-05 | |
| dc.date.issued | 2019 | |
| dc.date.submitted | 2019-07-27 | |
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'Wrinkled 2D materials: A versatile platform for low‐threshold stretchable random lasers.' Adv. Mater. 29.43 (2017): 1703549. [42] Schuck, P. J., et al. 'Improving the mismatch between light and nanoscale objects with gold bowtie nanoantennas.' Phys. Rev. Lett. 94.1 (2005): 017402. [43] Wang, Jyh-Yang, Yean-Woei Kiang, and C. C. Yang. 'Emission enhancement behaviors in the coupling between surface plasmon polariton on a one-dimensional metallic grating and a light emitter.' Appl. Phys. Lett. 91.23 (2007): 233104. [44] Anger, Pascal, Palash Bharadwaj, and Lukas Novotny. 'Enhancement and quenching of single-molecule fluorescence.' Phys. Rev. Lett. 96.11 (2006): 113002. [45] Cao, Hui, et al. 'Random laser action in semiconductor powder.' Phys. Rev. Lett. 82.11 (1999): 2278. [46] Yang, Shu, Krishnacharya Khare, and Pei‐Chun Lin. 'Harnessing surface wrinkle patterns in soft matter.' Adv. Funct. Mater. 20.16 (2010): 2550-2564. [47] Luan, Feng, et al. 'Lasing in nanocomposite random media.' 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/72739 | - |
| dc.description.abstract | 人們可藉由金屬奈米粒子所提供的侷域性表面電漿子以增強發光體的發光。不同於一般的金屬奈米粒子，超穎奈米粒子藉由其特殊的金屬/介電質多層結構創造出更強且更持久的侷域性表面電漿共振，而且透過超穎奈米粒子的零維特性，以及隨機雷射的任意分布的奈米結構，可以創造出一個可拉伸、高效能的雷射裝置。在此實驗中，我們展示了一個可拉伸的超穎奈米粒子隨機雷射，並且藉由和一般的金屬奈米粒子的比較，確認超穎奈米子可以形成高發光強度、低閥值的可拉伸式雷射。此外我們透過三維時域有限差分法去模擬、分析超穎奈米粒子的光學特性。這個結果對於可拉伸的高效能雷射是個重大的進展。 | zh_TW |
| dc.description.abstract | Plasmonic nanoparticles have emerged with the ability to enhance the emission intensity of emitters via localized surface plasmon resonance (LSPR). Unlike traditional plasmonic nanoparticles, nanoparticles with hyperbolic metal/dielectric multishell coating called hyperbolic meta-nanoparticles show more powerful and more lasting LSPR. Based on the integration of the zero dimensional meta-nanoparticles and light emitting semiconductor quantum dots (QDs), deposited on a ripple substrate, in this study, we demonstrate a stretchable and high efficiency cavity free laser device. The unique feature of strongly localized surface plasmon provides a drastically enhanced emission arising from semiconductor QDs and serve as excellent scattering centers for the formation of coherent closed loops. Compared the device with conventionally metallic nanoparticles, we confirm that meta-nanoparticles can support a stable lasing performance with higher intensity and lower threshold. To further analysis the LSPR response of hyperbolic meta-nanoparticles, three dimensional finite-difference time-domain (FDTD) simulation has been performed. Our result shows a major advance for the further development of stretchable high-performance optoelectronic devices. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T07:04:55Z (GMT). No. of bitstreams: 1 ntu-108-R06245009-1.pdf: 6378897 bytes, checksum: 3f82691ffef622d00d055cd88d971982 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 口試委員會審定書 #
誌謝 i 中文摘要 ii ABSTRACT iii CONTENTS iv LIST OF FIGURES vii LIST OF TABLES xi Chapter 1 Introduction 1 Chapter 2 Theoretical Background 3 2.1 Photoluminescense 3 2.2 Laser 4 2.3 Random Laser 6 2.3.1 Mechanism 6 2.3.2 Emission Properties 7 2.4 Quantum Dots 9 2.5 Localized Surface Plasmon Resonance (LSPR) 11 2.5.1 Introduction 11 2.5.2 Resonant Condition 11 2.5.3 Application on Random Laser 15 2.6 Typical Hyperbolic Metamaterial (HMM) 15 2.6.1 Definition and Properties 15 2.6.2 Implementations 20 2.6.3 Multilayer Hyperbolic Metamaterial 21 2.6.4 Spontaneous Emission Engineering 22 Chapter 3 Experimental Details 24 3.1 Instruments 24 3.1.1 The List of Instruments 24 3.1.2 Nanophotonic Finite-Difference Time-Domain Simulator 24 3.1.3 Emission Spectrum Measurement Setup 25 3.1.4 UV/Vis/NIR Absorption Spectroscopy 26 3.2 Materials 27 3.2.1 The List of Materials 27 3.2.2 Polydimethylsiloxane 27 3.2.3 CdSe/ZnS Core-shell Type Quantum Dots 28 3.2.4 Au Nanoparticles 29 3.2.5 Hyperbolic Meta-Nanoparticles 29 3.3 Fabrication of Materials and Samples 30 3.3.1 PDMS Elastic Substrate 30 3.3.2 Au Nanoparticles 31 3.3.3 Hyperbolic Meta-Nanoparticles 31 3.3.4 Wrinkled Structure on Stretchable Substrate 32 3.3.5 Stretchable Random Laser Device 34 3.4 Definition of Straining Ratio 37 3.5 Definition of Emission Detected Angle 37 Chapter 4 Results and Discussion 39 4.1 Characteristics of Hyperbolic Meta-nanoparticles 39 4.2 Characteristics of Random Laser Action 41 4.3 Characteristics of Stretchability 43 4.4 Characteristics of Optical Manipulation based on Plasmonic Nanoparticles 45 4.5 Superiorities of Hyperbolic Meta-Nanoparticles 50 Chapter 5 Conclusion 56 REFERENCE 58 | |
| dc.language.iso | en | |
| dc.subject | 超穎奈米粒子 | zh_TW |
| dc.subject | 高發光強度 | zh_TW |
| dc.subject | 低雷射閥值 | zh_TW |
| dc.subject | 可拉伸 | zh_TW |
| dc.subject | 侷域性表面電漿共振 | zh_TW |
| dc.subject | 隨機雷射 | zh_TW |
| dc.subject | hyperbolic meta-nanoparticle | en |
| dc.subject | localized surface plasmon resonance | en |
| dc.subject | random laser | en |
| dc.subject | high emission intensity | en |
| dc.subject | low lasing threshold | en |
| dc.subject | stretchable. | en |
| dc.title | 可拉伸超穎奈米粒子隨機雷射 | zh_TW |
| dc.title | Stretchable Random Laser Based on Hyperbolic Meta-Nanoparticles | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 107-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 謝馬利歐,林泰源,沈志霖 | |
| dc.subject.keyword | 超穎奈米粒子,侷域性表面電漿共振,隨機雷射,高發光強度,低雷射閥值,可拉伸, | zh_TW |
| dc.subject.keyword | hyperbolic meta-nanoparticle,localized surface plasmon resonance,random laser,high emission intensity,low lasing threshold,stretchable., | en |
| dc.relation.page | 61 | |
| dc.identifier.doi | 10.6342/NTU201902063 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2019-07-29 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 應用物理研究所 | zh_TW |
| 顯示於系所單位： | 應用物理研究所 | |
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