摘要 | 第1-7页 |
Abstract | 第7-47页 |
Chapter 1 General Introduction to Organic Photochromic Compounds | 第47-82页 |
·Molecular devices | 第47页 |
·Molecular switches | 第47-48页 |
·Photochromism | 第48-50页 |
·Classfications of photochromic systems | 第50-53页 |
·Cis-Trans isomerization | 第51-52页 |
·Electrocyclic ring cyclizations | 第52-53页 |
·Diarylalkenes | 第53-57页 |
·Ring closing reaction | 第54-55页 |
·Quantum yield | 第55-56页 |
·Thermal stability | 第56页 |
·Fatigue resistance | 第56-57页 |
·Bisthienylethenes with different ethene bridge | 第57-77页 |
·Bisthienylethenes based on five-membered ethene bridge | 第57-59页 |
·Photochromic system based on tetraazaporphyrin and phthalocyanine | 第59-60页 |
·Benzothiophene as central ethene bridge | 第60-63页 |
·Imidazole based central ethene bridge | 第63-67页 |
·Thiazole as central ethene bridge | 第67-71页 |
·Oligothienoacene and thiophene bridged photochromic system | 第71-75页 |
·Miscellaneous photochromic systems | 第75-77页 |
·Photochromic diarylethene based on six-membered ring | 第77-80页 |
·Preview | 第80-82页 |
Chapter 2 Unprecedented Stability of a Photochromic Bisthienylethene Basedon Benzobisthiadiazole as Six-membered Ethene Bridge | 第82-112页 |
·Introduction | 第82-83页 |
·Experiment section | 第83-110页 |
·Instruments and Reagents | 第83-84页 |
·Synthetic route to the target and intermediate molecules | 第84页 |
·Preparation of target and intermediate molecules | 第84-90页 |
·UV-Vis spectra of BTTE | 第90-93页 |
·~1H NMR changes of BTTE before and after irradiation | 第93-94页 |
·Emission spectra of BTTE before and after irradiation | 第94-101页 |
·The fluorescence decay of BTTE in various solvents | 第101-103页 |
·Thermal stability of BTTE in various solvents | 第103-105页 |
·Photochromism of BTTE in crystal state | 第105-110页 |
·Conclusions | 第110-112页 |
Chapter 3 Aromaticity-Controlled Thermal Stability of Photochromic SystemsBased on Six-Membered Ring as Ethene Bridges:Photochemical and Kinetic Studies | 第112-177页 |
·Introduction | 第112-113页 |
·Experiment Section | 第113-122页 |
·Instruments and Reagents | 第113-114页 |
·Synthetic route to the target and intermediate molecules | 第114-115页 |
·Preparation of target and intermediate molecules | 第115-122页 |
·Results and discussion | 第122-176页 |
·Molecule design and synthesis | 第122-123页 |
·~1H NMR,~(13)C NMR and Mass characterization | 第123-131页 |
·UV-Vis absorption of BTE-NA, BTA and BTTA | 第131-135页 |
·~1H NMR changes of BTE-NA, BTA and BTTA before and after irradiation | 第135-138页 |
·Fluorescence changes of BTE-NA, BTA and BTTA before and after irradiation | 第138-146页 |
·Thermal stability of BTE-NA, BTA and BTTA in various solvents | 第146-149页 |
·DFT calculation of BTE-NA, BTA and BTTA | 第149-151页 |
·Photochromic behavior of BTE-NA, BTA and BTTA in bulky crystal and sol-gelsystem | 第151-176页 |
·Conclusions | 第176-177页 |
Chapter 4 Nonlinear Optical Materials Based on Benzothiadiazole | 第177-198页 |
·Introduction | 第177页 |
·Experiment section | 第177-181页 |
·Instruments and Reagents | 第177-178页 |
·Synthetic route to the target and intermediate molecules | 第178-181页 |
·Results and discussion | 第181-197页 |
·Molecular design and synthesis | 第181-186页 |
·UV-Vis absorption spectra of BTC, BTT and BTA | 第186-190页 |
·Emission spectra of BTC, BTT and BTA before and after irradiation | 第190-194页 |
·SHG signal changes of BTC, BTT and BTA before and after irradiation | 第194-197页 |
·Conclusions | 第197-198页 |
Chapter 5 Photochromic System Based on 2,1,3-Benzothiadiazole | 第198-208页 |
·Iridium complex utilizting 2,1,3-benzothiadiazole based photochromic unit as ligand | 第198-200页 |
·Instruments and Reagents | 第198页 |
·Synthetic route to the target and intermediate molecules | 第198-200页 |
·NLO photoswitchable system based on 2.1.3-benzothiadiazole as central ethene bridgewith extended system | 第200-204页 |
·Molecule design and synthesis | 第200页 |
·Synthetic route to the target molecule | 第200-204页 |
·Optical properties and photochromism | 第204-207页 |
·Conclusions | 第207-208页 |
Chapter 6 Conclusions | 第208-210页 |
References | 第210-223页 |
Appendix Pulication list | 第223-225页 |
Acknowledgements | 第225页 |