Title Page
Contents
Abstract 7
요약 9
1. Introduction 11
2. Experimental section 13
2.1. Synthesis of Li-doped TiO₂ nanoparticles 13
2.2. Fabrication of PSC devices 14
2.3. Photocatalytic activity experiment 15
3. Result and discussion 17
3.1. Surface analysis and composition analysis of Li-doped TiO₂ 17
3.2. Photocatalyst experiment results 25
3.3. Performance comparison of devices employing various Li-doped TiO₂ NPs 31
4. Conclusion 36
5. reference 39