記 錄 4212 編 號 狀 NC091FJU00065008 態 助 教 查 核 索 書 號 學 校 輔仁大學 名 稱 系 所 化學系 名 稱 舊 系 所 名 稱 學 488338013 號 研 究 生 鄭仲志 ( 中 ) 研 究 Chung-Chih Cheng 生 ( 英 ) 論 文 名 稱 分子內以及主/客體型式激發態質子轉移與電荷轉移之研究 ( 中 ) 論 文 名 稱 The Intramolecuar and Host/Guest Type of Excited-State Proton Transfer and Charge Transfer Reactions ( 英 ) 其 他 題 名 指 導 教 授 張鎮平 周必泰 ( 中 ) 指 導 教 授 Chen-Pin Chang Pi-Tai Chou ( 英 ) 校 內 全 不公開 文 開 放 日 期 校 外 全 文 不公開 開 放 日 期 全 文 不 開 放 理 由 電 子 全 文 送 同意 交 國 圖 . 國 圖 全 文 開 2003.07.07 放 日 期 . 檔 案 電子全文 說 明 電 子 01 全 文 學 位 博士 類 別 畢 業 學 91 年 度 出 版 年 語 文 英文 別 關 鍵 字 激發態質子轉移 激發態電荷轉移 分子間 分子內 主/客體 ( 中 ) 關 鍵 字 Excited-State Proton Transfer Excited-State Change Transfer Intramolecular Intermolecular Host/Guest ( 英 ) 摘 要 ( 中 ) 中文摘要 在這四年博士班歷程中,我的主要研究領域是激發態質子轉移光譜及動力學,這中間又包含 力學、激發態雙氫鍵轉移的光譜及動力學,並藉由質子給予及接受官能基的不同距離及幾何效應來探 移及電子轉移的特性,我們更在探討緩解動力學中解析出這兩者間的不同。為了給予第二、三章節甚 四章是我最近剛完成的研究工作,第四章主要在探討弱氫鍵系統的激發態質子轉移效應,這一方面的 分發揮,來描述其反應位能曲面,故這新系統的開發對未來質子反應動力學的影響將是無遠弗屆。 再 摘 Abstract Contemporary progress regarding guest/host types of excited-state double proton-transfer has been 要 proton transfer. Of particular emphases are the photophysical and photochemical properties of excited-state d ( and reviewed separately. For the case of static host/guest hydrogen-bonded complexes both hydrogen-bondin 英 transfer reaction in the non-catalytic host/guest type of ESDPT. The mechanisms of protic solvent assisted E ) water, aiming at its future perspective in biological applications. Finally, the differentiation in mechanism be tautomerism for b-carboline (b-CB) and its analogues has been investigated. Thermodynamics and microsolv of the stoichiometric ratio and structure for the hydrogen-bonding formation was provided by molecular desi with time-resolved measurements and theoretical approaches suggest the 1:2 b-CB/acetic acid complex with ps, indicating that only a negligibly small geometry adjustment is required for the guest molecule (i.e. acetic tautomerism is prohibited during the excited-state lifetime, giving rise to a normal Stokes shifted emission. T Comprehensive spectroscopic and dynamical studies on the dual excitation behavior of proton vs charge tran high as ~ 4.2 x 10E3 and 5.2x10E4 M-1 (e.g., the DPP/acetic acid complex) at 298 K, respectively, which up Stokes shifted emission band originates from the charge-transfer species incorporating a dimethylamine and charge-transfer properties such as dipole moment, orbital configuration, etc. Supplementary support for the d common Franck-Condon excited state but undergo two independent relaxation channels. In protic solvents, s be distinguished via the temporal spectral evolution. The results demonstrate DPP to be a unique model amo transfer (ESIrPT) and excited-state intermolecular proton-transfer (ESIePT) reactions in 5-membered N-H--which ESIrPT takes place with relatively slow rate of > 6 x10E11 s-1) of ESIePT, resulting in an imine/amin between ESIrPT and ESIePT with their associated different spectral and relaxation dynamics makes 1a-d sys 論 文 目 次 Table of Contents 中文摘要 Abstract Sub-Abstract (Chapter 2) Sub-Abstract (Chapter 3) Sub-Abstract (Cha state proton transfer 2. Catalytic and noncatalytic host/guest ESDPT process 2.1. Conjugated dual hydrogen through the covalent bond 3. Solvent Polarity coupled proton transfer reaction References Tables and Figure 3.2. Fluorescence Titration Study 4. Discussion 4.1. b-CD/Acetic Acid HB Structures 4.2. Theoretical Appro amino)-1H-pyrrolo[2, 3-b]pyridines 112 1.Introduction 2. Experimental 2.1. Materials 2.2. Mesurements 3. R in Aprotic Solvents 5. Conclusion References Tables and Figures Chapter 4. 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