[PDF] Top 20 Femtosecond Dynamics on 2-(2-Hydroxy-4-diethylaminophenyl)benzothiazole: Solvent Polarity in the Excited-State Proton Transfer
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Femtosecond Dynamics on 2-(2-Hydroxy-4-diethylaminophenyl)benzothiazole: Solvent Polarity in the Excited-State Proton Transfer
... excitation. The calculations also clearly revealed similar dipolar vectors between T eq ...D), in which the angle between vectors of T eq and T* is as small as ...with the experimental results ... See full document
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Spectroscopy and femtosecond dynamics of excited-state proton transfer induced charge transfer reaction
... Relaxation Dynamics. The above steady-state solvent polar- ity-dependent keto emission is in sharp contrast to most ESPT/ ESCT systems studied so ...far. 4-7 For those systems ... See full document
10
Solvent-Polarity Tuning Excited-State Charge Coupled Proton-Transfer Reaction in p-N,N-Ditolylaminosalicylaldehydes
... regarding solvent dipolar relaxation coupled ESIPT are rare because the dipolar change during ESIPT is, in general, not as significant as that in the case of the electron ... See full document
12
Dual Excited-State Intramolecular Proton Transfer Reaction in 3-Hydroxy-2-(pyridin-2-yl)-4H-chromen-4-one
... hypothesis, in our view, may be ...that the cationic form 1a(O)H + and its proton transfer tautomer possess drastically different dipole moments in the excited ... See full document
10
Ground and excited-state acetic acid catalyzed double proton transfer in 2-aminopyridine
... to the solvent-polarity perturbation, the theoretical approach to the excited state, in which the solvent interaction is neglected, may stand ... See full document
10
Femtosecond Dynamics on Excited-State Proton/ Charge-Transfer Reaction in 4‘-N,N-Diethylamino-3-hydroxyflavone. The Role of Dipolar Vectors in Constructing a Rational Mechanism
... Particularly, in stronger polar media such as CH 3 CN and short carbon chain alcohols, there exists an excited-state equilibrium, so reversible proton transfer also takes ...Despite ... See full document
11
Tuning Excited-State Charge/Proton Transfer Coupled Reaction via the Dipolar Functionality
... as the solvent-polarity induced barrier becomes possible, which may be crucial to gain fundamental insights into research fields of current interest regarding, ...e.g., proton-coupled electron ... See full document
3
Excited-State Double-Proton Transfer on 3-Methyl-7-azaindole in a Single Crystal: Deuterium Isotope/Tunneling Effect
... Introduction The excited-state double proton transfer (ESDPT) 1-3 in the 7-azaindole (7AI) dimer (Figure 1) has long been recognized as a prototype to mimic the ... See full document
7
Excited-State Dynamics of [(1,1′-Biphenyl)-4,4-diyldi-2,1-ethenediyl]bis(dimethylsilane)
... measured the femtosecond time-resolved fluorescence of a para-substituted biphenyl, [(1,1 ′ -biphenyl)-4,4 ′ -diyldi-2,1- ethenediyl]bis(dimethylsilane) (formula in Scheme 1), ... See full document
7
Tuning Excited-State Electron Transfer from an Adiabatic to Nonadiabatic Type in Donor?Bridge?Acceptor Systems and the Associated Energy-Transfer Process
... Electron Transfer in III. On the basis of the same methodology, we then focus on the spectroscopy and relaxation dynamics of ...Because the elongation of ... See full document
9
Comprehensive Studies on Dual Excitation Behavior of Double Proton versus Charge Transfer in 4-(N-Substituted amino)-1H-pyrrolo[2,3-b]pyridines
... for the catalytic type of reaction where the guest molecule ...during the proton-transfer reaction. In bulk alcohols and water the dynamics of solvent ... See full document
13
Excited-State Intramolecular Proton Transfer in Five-Membered Hydrogen-Bonding Systems: 2-Pyridyl Pyrazoles
... Since the seminal studies on the excited-state intramolecular proton transfer (ESIPT) reaction in salicylic deivatives, 1 numerous ESIPT molecules have been ... See full document
2
Excited-state double proton transfer in model base pairs: The stepwise reaction on the heterodimer of 7-azaindole analogues
... Pre-concentration of trace metals from sea-water for determination by graphite furnace atomic absorption spectrometry.[r] ... See full document
12
Design and synthesis of intramolecular hydrogen bonding systems. Their application in metal cation sensing based on excited-state proton transfer reaction
... relaxation dynamics of the studied compounds, sample solutions were degassed by three freeze-pump-thaw cycles under vigorous stirring ...H 2 SO 4 was used as a reference for the quantum ... See full document
8
Multiple Hydrogen Bonds Tuning Guest/Host Excited-State Proton Transfer Reaction: Its Application in Molecular Recognition
... Sec. 4, RooseVelt Road, Taipei, Taiwan, ...biorecognition, the principle of using hydrogen bonds to confer binding strength and selectivity is of particular interest 1a-g mainly due to their relative ... See full document
2
Studies of the triplet state of the proton-transfer tautomer in salicylaldehydes
... 3. 醬菜鹽漬作業之局限空間危害 國內最近發生數起蔬菜醃漬作業的工安事 故，造成勞工死傷的慘劇。根據現場醃漬槽內空 氣成份探勘測定，發現醬菜槽內存在較一般大 氣環境百分比高的氨氣（ Ammonia, NH 3 ）、二氧 化碳及含硫氣體等，經數次翻攪後接近槽內液 面附近測得的二氧化碳濃度高達 4%。顯見在醃 製過程中無論是攪拌動作或浸泡液面，皆會產 生揮發性有毒氣體或窒息性氣體。而此次事件 ... See full document
13
Synthesis of 7-Azaserotonin: Its Photophysical Properties Associated with Excited State Proton Transfer Reaction
... with Excited State Proton Transfer Reaction Pei-Wen Wu, † Wan-Ting Hsieh, † Yi-Ming Cheng, † Ching-Yen Wei, ‡ and Pi-Tai Chou* ,† Department of Chemistry, National Taiwan UniVersity, Taipei ... See full document
2
Intersystem crossing-branched excited-state intramolecular proton transfer for o-nitrophenol: An ab initio on-the-fly nonadiabatic molecular dynamic simulation
... molecular dynamics simulations have been successfully applied to photoisomerization and photoreaction processes involving intersystem crossings and conical intersections 31–48 ...algorithm in diabatic ... See full document
12
Femtosecond fluorescence dynamics of porphyrin in solution and solid films: The effects of aggregation and interfacial electron transfer between porphyrin and TiO(2)
... 2005; In Final Form: NoVember 4, 2005 The excited-state relaxation dynamics of a synthetic porphyrin, ZnCAPEBPP, in solution, coated on a glass substrate as solid ... See full document
10
Kinetic isotope effect on the proton-transfer in indigo carmine
... stepwise proton transfer to generate mono- alcohol intermediate, which immediately returns to the parent molecule ...1020]. The kinetic isotope effect in the proton ... See full document
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