In this study, we successfully fabricated dense, uniform, vertically aligned ZnO NWs on top of DLC films. The NWs’ length, diameter and separation distance were controllable by fine tuning the growth parameters and changing the DLC film deposition temperature…
Contents
Chapter 1. Introduction
1.1 Background
1.1.1 Motivation
1.1.2 One Dimension (1-D) Growth
1.2 ZnO properties and applications
1.3 Studies on ZnO Nanowires
Chapter 2. Sample Preparation and Experiments
2.1 Au, DLC Thin Films Deposition
2.1.1 Pulsed Laser Deposition (PLD)
2.1.2 Films Deposition Parameter
2.2 ZnO NWs fabrication
2.2.1 Fabrication system
2.2.2 ZnO NWs Growth Conditions
2.3 Characterization techniques
2.3.1 Scanning Electron Microscopy (SEM)
2.3.2 Atomic Force Microscopy (AFM)
2.3.3 Photoluminescence (PL)
2.3.4 X-ray Diffraction (XRD)
2.3.5 Transmission electron microscopy (TEMP)
Chapter 3. Results and Discussion
3.1 Au Thin Film assisted ZnO NWs Growth
3.1.1 Growth Parameters
3.1.2 Temperature Dependence
3.1.3 Zn Weight Dependence
3.1.4 Gas flow Dependence
3.1.5 Au Thin Film Thickness dependence
3.1.6 Optimized Growth Condition
3.2 DLC Thin Film assisted ZnO NWs Growth
3.2.1 DLC Film Deposition Temperature Dependence
3.2.2 DLC Film Thickness Dependence
3.2.3 ZnO NWs Growth Dependence on Temperature
3.2.4 Oxygen partial pressure dependence…
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Source: University of Maryland