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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 張煥宗(Huan-Tsung Chang) | |
dc.contributor.author | Hao-Ying Liao | en |
dc.contributor.author | 廖皓瑩 | zh_TW |
dc.date.accessioned | 2021-06-14T17:09:17Z | - |
dc.date.available | 2008-08-05 | |
dc.date.copyright | 2008-08-05 | |
dc.date.issued | 2008 | |
dc.date.submitted | 2008-07-26 | |
dc.identifier.citation | [1] Daniel, M. C.; Astruc, D. Chem. Rev. 2004, 104, 293–346.
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/40967 | - |
dc.description.abstract | 中文摘要
本論文描述在室溫下合成金量子點(Au nanodots)和金銀量子點(Au/Ag nanodots)及其光譜特性。調控還原劑四羥甲基氯化磷(tetrakis(hydroxymethyl)phosphonium chloride, THPC)對金離子的比例以及改變金銀離子比例,可分別合成不同粒徑大小的金奈米粒子或不同金銀組成比例的金銀奈米粒子。將這些奈米粒子與11-巰基十一酸(11-mercaptoundecanoic acid, 11-MUA)反應後,可進一步製備出在不同波長發光的金量子點(500–640 nm)及金銀量子點(456–525 nm)。這些量子點具有螢光生命期長(>250 ns),Stokes shifts大於100 nm等優點,故經過表面修飾生物分子後,將具有生物感測潛在應用價值。 | zh_TW |
dc.description.abstract | Abstarct
This thesis describes preparation and characterization of wavelength-tunable luminescent Au nanodots (NDs) and Au/Ag NDs at room temperature. Controlling the molar ratios of tetrakis(hydroxymethyl)phosphonium chloride (THPC) to Au ions and that of Ag ions to Au ions, respectively, allows the preparation of different sizes of Au and Au/Ag nanoparticles. Using 11-mercaptoundecanoic acid (11-MUA) to react with the as-prepared nanoparticles allows the preparation of wavelength-tunable luminescent Au nanodots (11-MUA–Au NDs) and Au/Ag nanodots (11-MUA–Au/Ag NDs), respectively. The as-prepared luminescent NDs exhibit a number of attractive optical properties: tunable luminescence wavelengths (456–640 nm), long lifetimes (>250 ns), and large Stokes shifts (>100 nm). These properties suggest that the as-prepared 11-MUA–Au NDs and 11-MUA–Au/Ag NDs would be suitable for use in sensing applications after bio-conjugation. | en |
dc.description.provenance | Made available in DSpace on 2021-06-14T17:09:17Z (GMT). No. of bitstreams: 1 ntu-97-R95223043-1.pdf: 2325117 bytes, checksum: 098c3d0e982ad2a6bf20ecaf558ebea8 (MD5) Previous issue date: 2008 | en |
dc.description.tableofcontents | 誌謝............................................. i
摘要.................... ii Abstract................. iii 目錄........................ iv 表目錄.................... vi 圖目錄............... vii 第一章 金奈米粒子簡介 1.1 金奈米粒子簡史....... 1 1.2 金奈米粒子的製備方法. 2 1.3 原子簇與奈米粒子........... 3 1.3.1 金屬奈米粒子能階以及電磁波對奈米粒子作用..... 4 1.3.2 表面電漿共振................................. 6 1.3.3 金屬原子簇的能階理論-The Jellium Model...... 7 1.4 金粒子的螢光現象............................... 9 1.4.1 奈米粒子螢光機制—Interband d-sp Transition..11 1.4.2 金原子簇螢光機制— Intraband Transition Between Jellium Orbitals..... 12 1.4.3 保護劑對螢光性質的影響...................... 13 1.5 研究動機...................................... 14 1.6 本章圖表...................................... 16 1.7 參考文獻............................................... 25 第二章 金量子點與金銀量子點製備與光學特性 2.1 前言.......................................... 28 2.2 實驗方法 2.2.1 實驗試藥.................................... 29 2.2.2 合成金奈米粒子.............................. 29 2.2.3 製備金量子點與螢光光譜及吸收光譜測定........ 30 2.2.4 合成金銀奈米粒子與金銀量子點................ 31 2.3 實驗結果與討論 2.3.1金奈米粒子之合成............................. 31 2.3.2 金量子點之製備.............................. 33 2.3.3 合成不同放光波長的金量子點之製備............ 36 2.3.4 XPS測量.................................... 38 2.3.5 金銀量子點與其螢光性質...................... 39 2.4 結論.......................................... 41 2.5 本章圖表...................................... 43 2.6 參考文獻...................................... 54 | |
dc.language.iso | zh-TW | |
dc.title | 金量子點與金銀量子點製備與光學特性 | zh_TW |
dc.title | Preparation and Optical Properties of Gold Nanodots and Gold/Silver Nanodots | en |
dc.type | Thesis | |
dc.date.schoolyear | 96-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 劉春櫻(Chuen-Ying Liu),孫毓璋(Yuh-Chang Sun) | |
dc.subject.keyword | 金奈米粒子,金量子點, | zh_TW |
dc.subject.keyword | Gold nanoparticles,Chemical etching,Wavelength-tunable nanodots,Tunable luminescence wavelengths,Au/Ag nanodots, | en |
dc.relation.page | 55 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2008-07-29 | |
dc.contributor.author-college | 理學院 | zh_TW |
dc.contributor.author-dept | 化學研究所 | zh_TW |
顯示於系所單位: | 化學系 |
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