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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1711

Title: SYNTHESIS OF THIOPHENE-BASED CONJUGATED POLYMERS
Authors: ADDISU, GETACHEW
Advisors: WENDIMAGEGN MAMMO (Ph.D)
Copyright: 2007
Date Added: 13-Dec-2008
Publisher: Addis Ababa University
Abstract: Declaration………………………………………………………………………………..ii Acknowledgements............................................................................................................ iii List of Tables……………………………………………………………………………..vi List of Schemes…………………………………………………………………………..vii List of Figures……………………………………………………………………………viii List of Abbreviations……………………………………………………………………...ix 1. Introduction..........................................................................................................................1 2. Background..........................................................................................................................2 2.1. Synthesis of substituted thiophenes .............................................................................2 2.2. Polymerization of substituted thiophenes…………………………………………….4 2.3. Conductivity studies of poly thiophenes..................................................................…8 2.4. Application of poly thiophenes ....................................................................................9 3. Objective of the project........................................................................................................11 4. Results and discussion ................................................................................................…….12 5. Conclusion ………………………………………………………………………………...28 6. Experimental………………………………………………………………………………..29 6.1. Materials and Methods………………………………………………………………29 6.2 Reagents……………………………………………………………………………...29 6.3. Procedures…………………………………………………………………………….30 7. References………………………………………………………………………………..…41 8. Appendices………………………………………………………………………………….42 1. 1H-NMR spectrum of 3-(4’-(1’’,4’’,7’’-trioxaoctyl)phenyl)thiophene ………………43 2. C13-NMR spectrum of 3-(4’-(1’’,4’’,7’’-trioxaoctyl)phenyl)thiophene……………….44 3. DEPT-135 spectrum of 3-(4’-(1’’,4’’,7’’-trioxaoctyl)phenyl)thiophene ……………..45 4. 1H-NMR spectrum of 3-(4’-octylphenyl)thiophene ……………………………..46 5. C13-NMR spectrum of 3-(4’-octylphenyl)thiophene ………………………………….47 6. DEPT-135 spectrum of 3-(4’-octylphenyl)thiophene ………………………….……..48 vi 7. 1H-NMR spectrum of 3-[4’’-(1’’’, 4’’’,7’’’-trioxaoctyl)phenyl]-2,2’-bithiophene…....49 8. C13-NMR spectrum of 3-[4’’-(1’’’, 4’’’,7’’’-trioxaoctyl)phenyl]-2,2’-bithiophene…..50 9. DEPT-135 spectrum of 3-[4’’-(1’’’, 4’’’,7’’’-trioxaoctyl)phenyl]-2,2’-bithiophene….51 10. UV-Vis spectra of monomer 26 and polymer 32 …………………………………….52 11. UV-Vis spectra of monomer 29 and polymer 33……………………………………..53 12. UV-VIS spectra of monomer 31 and polymer 34…………………………………….54
Description: A PROJECT PRESENTED TO SCHOOL OF GRADUATE STUDIES ADDIS ABABA UNIVERSITY IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN CHEMISTRY
URI: http://hdl.handle.net/123456789/1712
Appears in:Thesis - Chemistry
Thesis - Chemistry

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