Fundamentals of transparent conductive films, guidelines for reducing resistance, and application development (touch panels, solar).

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**Lecture Summary** Transparent conductive films have a history of nearly half a century and have recently gained attention in Japan, South Korea, Taiwan, and China as an essential component in solar cells, touch panels, and flat panel displays. In the first part, we will concisely introduce the necessary and sufficient foundational knowledge to understand transparent conductive films. The second part will cover the basic knowledge and evaluation techniques for producing and using transparent conductive films, summarizing the guiding principles for creating low-resistance films. We will highlight key points when applying transparent conductive films in various applications such as organic LEDs, flexible devices, solar cells, energy-saving glass, and touch panels, as well as the key points in the production of transparent conductive nanoparticles and printing technologies. The third part will discuss competing technologies for transparent conductive films and the future prospects of indium-free films. If questions are received in advance, the lecture will be conducted in a way that addresses them as much as possible.

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<Part 1> Basic Knowledge for Understanding Transparent Conductive Films 1. Balancing Transparency and Conductivity 2. What is an Oxide Semiconductor? 3. Lattice Defects and Conductivity in Crystalline Transparent Conductive Films 4. Differences Between Crystalline and Amorphous Transparent Conductive Films <Part 2> Basic Knowledge and Evaluation Techniques for Fabricating and Using Transparent Conductive Films 1. Film Deposition Techniques and Film Growth Mechanisms 2. Guidelines for Reducing Resistance in Crystalline Transparent Conductive Films 3. Fabrication of Transparent Conductive Nanoparticles and Printing Techniques 4. Applications in Organic EL and Flexible Devices: Low-Temperature, Low-Damage Film Formation, Work Function 5. Applications in Solar Cells and Energy-Saving Glass: Large Area, Cost Reduction, Resource Conservation 6. Applications in Touch Panels: High Resistance, Mechanical Properties 7. Other Applications: Heat Resistance, Chemical Resistance <Part 3> Considering the Future of Transparent Conductive Films: Old but New Guidelines 1. Competing Technologies: Metal Thin Films, Graphene, Conductive Organic Thin Films, Bulk Materials, etc. 2. Comparison of Indium Oxide, Zinc Oxide, and Tin Oxide 3. Amorphous Transparent Conductive Films and p-Type Transparent Conductive Films 4. Commonalities and Differences Between Bulk and Thin Films 5. Summary of Part 3 【Q&A and Business Card Exchange】