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					</table><p><a href="https://midsummer.se/en/" target="_blank" rel="noopener">Midsummer</a>, a Swedish developer, in collaboration with researchers at the University of California, Los Angeles (<a href="https://www.ucla.edu/" target="_blank" rel="noopener">UCLA</a>), has developed a four-terminal perovskite-CIGS tandem solar cell that has demonstrated an efficiency of 24.9%.</p>
<p>Through a collaborative project with Yang of UCLA, Midsummer has showcased a four-terminal tandem solar cell that combines perovskite and CIGS technologies.</p>
<p>The ongoing research aims to create a two-terminal perovskite-CIGS cell, which would make this solar cell highly competitive and ideal for large-scale production.</p>
<p>This project demonstrates the possibility of constructing a tandem solar cell using Midsummer&#8217;s established production process and the Midsummer DUO machine.</p>
<p>The top cell of the tandem is a perovskite-based one that has been specifically optimized for seamless integration with Midsummer&#8217;s CIGS cells, which are utilized in the company&#8217;s range of commercial BIPV (Building Integrated Photovoltaics) products.</p>
<p>Yang said, “We are thrilled to have this opportunity to work with Midsummer and PMI. Our ultimate goal is to demonstrate two-terminal perovskite/CIGS tandem cells, suitable for mass production.”</p>
<p>The team said the newly developed solar cell has demonstrated impressive efficiency, which is achieved by combining a wide bandgap perovskite cell as the top layer and a CIGS cell as the bottom layer.</p>
<p>The DUO production system is designed to produce high-performance CIGS solar cells that can be made in dimensions of 156mm x 156mm on a flexible stainless-steel substrate.</p>
<p>“Integrating Midsummer’s production-proven CIGS processing with Yang’s Lab tailored perovskite shows a clear path toward expanding the reach of BIPV by improving efficiency and lowering costs,” said Leon Chiu, President of Pioneer Materials, Inc.</p>
<p>Sven Lindström, CEO of Midsummer, said perovskite-CIGS tandem cells have enormous potential for the future of solar energy, and Midsummer&#8217;s solar panel design is particularly well-suited for developing a commercial product for this type of solar panel.</p>
<p>One advantage of Midsummer&#8217;s design is that it includes a diode between each solar cell, which is an essential component for optimal efficiency in a tandem cell configuration. This feature is expected to give Midsummer&#8217;s design an edge in terms of commercial viability and potential for widespread use.</p>
<p>Recently, researchers at Helmholtz-Zentrum Berlin <a href="https://www.mercomindia.com/researchers-perovskite-solar-cells-saves-input-energy" target="_blank" rel="noopener">found</a> that solar cells made of metal halide perovskites achieve high efficiencies and can be produced from liquid inks with little energy input.</p>
<p>In the same month, Italy-based renewable energy company Enel Green Power, researchers at the National Solar Energy Institute, and the French Alternative Energies and Atomic Energy Commission <a href="https://www.mercomindia.com/researchers-show-tandem-perovskite-solar-cell" target="_blank" rel="noopener">claimed</a> to have achieved a power conversion efficiency of 26.5% for a 2-terminal tandem perovskite solar cell.</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"></div><div class="saboxplugin-authorname"><a href="https://cms.mercomindia.com/author/gautamee-hazarika/" class="vcard author" rel="author"><span class="fn">Gautamee Hazarika</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><div class="designboxt">
<p><img class="alignleft" style="border-radius: 50%;height: 50px;margin-top: -4px;border: 1px solid #00b451" src="https://mercomindia.s3.ap-south-1.amazonaws.com/wp-content/uploads/2022/10/Picture1.jpg" width="50" /></p>
<p><strong style="text-decoration: underline">Gautamee,</strong> Staff reporter at Mercom India<br />
<a href="https://mercomindia.com/author/gautamee-hazarika/" target="_blank" rel="noopener">More articles from Gautamee.</a><br />
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<a href="gautamee@mercomindia.com" target="_blank" rel="noopener">gautamee@mercomindia.com</a></p>
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<div class="authorboxn"><img class="alignleft" src="https://mercomindia.s3.ap-south-1.amazonaws.com/wp-content/uploads/2022/10/Picture1.jpg" width="102" height="102" /><a href="https://mercomindia.com/author/gautamee-hazarika/" rel="noopener">Gautamee</a> is a reporter at Mercom India. Prior to Mercom, Gautamee was working as a multimedia news journalist at ThePrint in New Delhi. She has received her Bachelors in English Honors and Masters in English Literature from St.Stephen&#8217;s College, University of Delhi.<a href="https://mercomindia.com/author/gautamee-hazarika/" rel="noopener">More articles from Gautamee</a></div>
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Swedish Firm Says Perovskite-CIGS Tandem Solar Cells Yield 24.9% Efficiency

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