Photoalignment and spatial patterning of liquid crystalline conjugated polymers for polarised light emission

Thesis

Polymeric semiconductors have a number of benefits in the ease of processing and large-area production, tunability of the physical properties, low-cost, flexibility and biocompatibility. Although high-quality polymer alignment is highly favorable in terms of allowing access to fundamental optical/electrical anisotropy, the realisation of large-area extended uniform alignment and high-resolution spatial patterning of polymer chain-orientation remains a challenge. The purpose of this thesi...

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Authors: Shi, Y

• Type of award: DPhil
• Level of award: Doctoral
• Awarding institution: University of Oxford
• Language: English
• Keywords: Conjugated Polymers; Optical Anisotropy; Soluble Semiconductors; Biomimetic Light Harvesting; Polymer Chain Orientation; Excited States; Meta-Materials; Molecular Electronic Materials & Devices; Light-emitting Liquid Crystalline Conjugated Polymers; Polarised Light Emission; Förster Resonance Energy Transfer; Polymer Light Emitting Diodes; Photoalignment; Refractive Index Modification; Integrated Optical Circuits; Optoelectronic Devices; Organic Semiconducting Lasers; Two-photon Laser Direct Writing; Thin Film Transistors
• Subjects: Optical wave guides; Microstructure; Modulation (Electronics); Photon emission; Organic thin films; Optoelectronic devices; Two-photon absorbing materials; Energy conversion; Conjugated polymers; Pattern formation (Physical sciences); Polymer liquid crystals; Light emitting diodes; Energy harvesting; Quantum communication