Production and manufacturing of next-generation CIGS/CIS compound solar cells and improvement of efficiency.
S11023
The potential of solar cells using CZTS, NiO, CuxS, SnS, etc.
【Early Bird Discount Price】49,350 yen (tax included, including text costs) for up to 2 participants from one company *This is limited to Tech-Zone members who apply by October 4. Membership registration is free. *After October 4, the 【Regular Price】 will be 52,500 yen (tax included, including text costs) for up to 2 participants from one company. ◆When applying for the early bird discount, please select "1 participant (early discount)" or "2 participants (early discount)" in the number registration. ◆Point discounts are not applicable to the early bird discount price. If you wish to use the point discount service, it will only be applicable for applications at the regular price. ◆If 3 participants apply from the same corporation, the price will be 69,300 yen. ◆Lunch is optional and will cost an additional 1,050 yen per person.
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**Lecture Summary** Sulfur is an abundant element, and many compounds with metals (sulfides) occur naturally as minerals. When including diversified compounds and solid solutions that combine multiple metal elements, there exists an extremely large number of metal sulfides, many of which are attractive materials for solar cells in terms of physical properties, resource availability, and price. On the other hand, to reduce the cost of solar cells, it is necessary to lower not only material costs but also the costs of manufacturing equipment and processes, as well as energy consumption. Chemical methods, which are non-vacuum low-temperature processes, are one effective means to achieve this. After outlining sulfide semiconductor solar cells, examples of sulfide solar cell fabrication using chemical methods will be introduced. **Lecture Summary** There is great expectation for solar power generation using solar cells that directly convert solar energy into electricity. Until now, silicon crystal-based solar cells have been mainstream. In recent years, mass production and sales of compound thin-film solar cells, which can be manufactured to be about two orders of magnitude thinner than silicon crystal-based cells, have also begun. This lecture will introduce the development status of a new type of thin-film solar cell that is low in toxicity and does not use rare metals, thus significantly reducing environmental impact, in anticipation of the era of ultra-mass production of next-generation solar cells.
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P2
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P2
Applications/Examples of results
Part 1: Technological Trends and Low-Cost, High-Efficiency Techniques for Thin-Film Solar Cells Using Sulfides 1. Why sulfides? 2. Sulfide semiconductors applicable to solar cells 3. Research examples of sulfide semiconductor solar cells 3-1 CIS and CZTS solar cells 3-2 CuxS solar cells 3-3 SnS solar cells 4. Inexpensive fabrication methods for semiconductors: Chemical methods 5. Fabrication of sulfide semiconductor solar cells using chemical methods 5-1 SnS solar cells 5-2 Multinary sulfide mixed crystal solar cells Part 2: Development and Fabrication Methods for Next-Generation CZTS Thin-Film Solar Cells Without Rare Metals 1. Introduction 2. Fabrication of CZTS thin-film solar cells 3. Conversion efficiency map 4. Fabrication of CZTS light-absorbing layers using compound targets 5. Aiming for non-toxic thin-film solar cells Part 3: Cost Reduction and Efficiency Improvement Techniques for CIGS and Next-Generation Compound Solar Cells 1. Current status and challenges of CIGS solar cells 2. Ideas for new fabrication processes for CIGS solar cells 3. Material design for next-generation solar cells 3-1 Research and development of SnS-based solar cells 3-2 Research and development of NiO-based transparent solar cells
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