Tsang Sai-wing. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references. / Abstracts in English and Chinese. / ABSTRACT (ENGLISH) --- p.I / ABSTRACT (CHINESE) --- p.III / ACKNOWLEDGEMENTS --- p.IV / TABLE OF CONTENTS --- p.V / Chapter 1. --- INTRODUCTION --- p.1 / Chapter 2. --- ELECTRONIC STRUCTURE OF ORGANIC SEMICONDUCTORS --- p.6 / Chapter 2.1 --- Introduction of energy-band diagram in organic semiconductors --- p.7 / Chapter 2.1.1 --- Organic semiconductors --- p.7 / Chapter 2.1.2 --- Density of state (DOS) and traps distribution --- p.8 / Chapter 2.1.3 --- Metal/organic interface --- p.10 / Chapter 2.1.4 --- Surface morphology and crystallinity of organic semiconductors --- p.12 / Chapter 2.2 --- Experimental --- p.14 / Chapter 2.2.1 --- Experimental scheme --- p.14 / Chapter 2.2.2 --- Sample preparation --- p.14 / Chapter 2.3 --- Data analysis and discussions --- p.15 / Chapter 2.3.1 --- Surface morphology on substrate temperature effect --- p.15 / Chapter 2.3.2 --- Characteristics of trap in CuPc thin film --- p.19 / Chapter 2.4 --- Conclusions --- p.20 / Reference --- p.22 / Chapter 3. --- CHARGE TRANSPORT IN CuPc ORGANIC SEMICONDUCTORS --- p.25 / Chapter 3.1 --- Introduction --- p.26 / Chapter 3.1.1 --- Carrier injection at metal-organic interface --- p.26 / Chapter 3.1.2 --- Carrier transport in organic semiconductors --- p.28 / Chapter 3.1.2.1 --- Polaron models --- p.29 / Chapter 3.1.2.2 --- Scher-Montroll model - Anomalous dispersive transport --- p.29 / Chapter 3.1.2.3 --- Gaussian disorder model --- p.32 / Chapter 3.2 --- Experimental / Chapter 3.2.1 --- Experimental scheme --- p.35 / Chapter 3.2.2 --- Sample preparation --- p.35 / Chapter 3.2.3 --- Admittance spectroscopy --- p.35 / Chapter 3.2.4 --- Dark injection space-charge-limited transient current measurement --- p.39 / Chapter 3.3 --- Results and discussions --- p.41 / Chapter 3.3.1 --- Simulation results of admittance spectroscopy --- p.41 / Chapter 3.3.2 --- Experimental results of Au/CuPc/Au devices by admittance spectroscopy --- p.49 / Chapter 3.3.2.1 --- Field dependent hole mobility of CuPc --- p.49 / Chapter 3.3.2.2 --- Thickness dependent dispersive transport --- p.53 / Chapter 3.3.3 --- Experimental results of Au/CuPc/Au devices by dark-injection space-charge-limited transient current measurement --- p.55 / Chapter 3.4 --- Conclusions --- p.58 / Reference --- p.59 / Chapter 4. --- NEGATIVE CAPACITANCE IN AU/CUPC/AU DEVICES --- p.61 / Chapter 4.1 --- Introduction of negative capacitance in different material systems --- p.62 / Chapter 4.2 --- Experimental --- p.63 / Chapter 4.2.1 --- Experimental scheme --- p.63 / Chapter 4.2.2 --- Sample preparation --- p.63 / Chapter 4.3 --- Data analysis and discussions --- p.64 / Chapter 4.4 --- Conclusions --- p.70 / Reference --- p.71 / Chapter 5. --- HOLE TRANSPORT IN COPPER PHTHALOCYANNINE UNDER VARIOUS AMBIENT CONDITIONS --- p.72 / Chapter 5.1 --- Introduction --- p.73 / Chapter 5.1.1 --- Current development of organic sensors --- p.73 / Chapter 5.1.2 --- Underlying mechanisms in sensing applications --- p.74 / Chapter 5.2 --- Experimental --- p.76 / Chapter 5.2.1 --- Experimental scheme --- p.76 / Chapter 5.2.2 --- Sample preparation --- p.77 / Chapter 5.3 --- Data analysis and discussions --- p.78 / Chapter 5.4 --- Conclusions --- p.83 / Reference --- p.84 / Chapter 6. --- SUMMARY AND FUTURE WORK --- p.85 / Summary --- p.85 / Future work --- p.87 / APPENDIX A: derivation of complex admittance --- p.89 / APPENDIX B: derivation of transient relaxation current --- p.92 / APPENDIX C: simulation for admittance spectroscopy --- p.95 / APPENDIX D: publications which contributed to this thesis --- p.99
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324995 |
| Date | January 2004 |
| Contributors | Tsang, Sai-wing., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, vii, 100 leaves : ill. (some col.) ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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