論文目次 |
Abstract……………………………………………………………………..Ⅱ
Contents………………….……..…………………………..………………….Ⅲ
Figures List…………………….……………………………………………..Ⅳ
Tables List…………………………………………………………………….Ⅴ
Chapter Ⅰ Introduction…………………………………………..1
Chapter Ⅱ Experimental Set-up and Procedures…………………………3
Chapter Ⅲ Results & Discussion…………………………………………5
Chapter Ⅳ Conclusion……………………………………………………10
References…………………………………..………………………...…………11
Appendix A: Photon Flux & Quantum Efficiency……………………………28
Appendix B: Column Density & Energy Dose………………………………..29
Appendix C: Summary of the IR spectral positions and their band strengths for the relevant icy molecules………………………………….30
Figures Lists
Fig. 1 A schematic diagram of the preparation system………….……..…………14
Fig. 2 A schematic diagram of the ultra-high vacuum chamber………………….15
Fig. 3 The photo of the experiment arrangement…………………………………16
Fig. 4-1 The IR absorbance of the mixed ice sample before photolysis……………..17
Fig. 4-2The IR absorbance of the mixed ice sample that the difference of absorbances ( continuous to next two pages ) of H2O + CO2 + NH3 ( 6:1:1 ) ices taken after the white light irradiation. We have found new products such as CH3OH, C2H6, CO3, H2CO, H2CO3, CH3, HCOOH…………………….……………18
Fig. 4-3 The IR absorbance of the mixed ice sample that the difference of absorbances (continuous to next pages ) of H2O + CO2 + NH3 ( 6:1:1 ) ices taken after the white light irradiation. We have found new products such as CH3OH, C2H6, CO3, H2CO, H2CO3, CH3, HCOOH……………………………………...…19
Fig. 4-4 The IR absorbance of the mixed ice sample that the difference of absorbances of H2O + CO2 + NH3 ( 6:1:1 ) ices taken after the white light irradiation. We have found new products such as CH3OH, C2H6, CO3, H2CO, H2CO3, CH3, HCOOH……………………………………………………………….……20
Fig. 5 The IR absorbance of the mixed ice sample before photolysis ( the left top panel ) and the difference of absorbances of evolution of H2O + CO2 + NH3 ( 6:1:1 ) ices taken after the white light irradiation. We have found new products such as XCN, CO…………………………………………………21
Fig. 6-1 Plot of results for R.G.A. with mass=1, 2, 15, 16, 17, 18, 19, 28, 29, 30, 32, 40, 44, 45 amu…………………………………………………………...…22
Fig. 6-2 Plot of results for R.G.A. with mass=41, 100 amu……………..………..…23
Fig. 7-1 Plot of results for the H2CO3 and CO product column densities as a function of the total incident photon energy in units of eV/cm2……………...……...24
Fig. 7-2Plot of results for the H2CO and CH3OH product column densities as a function of the total incident photon energy in units of eV/cm2……..…,.....25
Fig. 7-3 Plot of results for the C2H4, C2H6 and XCN product column densities as a function of the total incident photon energy in units of eV/cm2……….…...26
Fig. 8 The plot of Ni mesh quantum efficinecy for Seya beamline at SRRC……...28
Fig. 9 The plot of Photon Flux for Seya beamline at SRRC……………………….28
Tables List
Table 1 The results of H2CO3, H2CO, CO, CH3OH, C2H4, C2H6 and XCN that column density vs. energy dose…………………………………………………...…27
Table 2 Summary of the IR spectral positions and their band strengths for the relevant icy molecules………………………………………………………………..30 |
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