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					</table><p>A team of scientists from <a href="https://www.csiro.au/en/" target="_blank" rel="noopener">CSIRO</a>, the Australian National Science Agency, have reported a new record efficiency in roll-to-roll fully printed solar cells.</p>
<p>In a paper published in <em>Nature Communications</em> journal, the team demonstrated performances for solar cells of 15.5% efficiency on a small scale and 11% for a 50 cm2 module, a record for fully printed solar cells containing perovskite.</p>
<p>While silicon solar panels are rigid and heavy, printed solar cells are highly flexible and portable and have a wide range of applications ranging from urban construction, mining operations, emergency management, disaster relief, and space to defense and personal electronics.</p>
<p>The flexible solar cells were produced using a method in which all components of the device were fully printed from inks. Carbon-based inks were used to replace gold in the solar cell, dramatically reducing the cost while maintaining high performance.</p>
<p>The solar cells were printed using roll-to-roll techniques, which can be used to print solar cells on a long, continuous roll of plastic.</p>
<p>This lightweight and flexible solar technology, printed onto thin plastic films, is expected to expand solar cell usage and meet the growing demand for renewable energy.</p>
<p>&#8220;CSIRO&#8217;s thin and lightweight solar cells are now on the cusp of emerging from the lab to create clean energy in the real world. Roll-to-roll printing allows for the solar cells to be manufactured on very long, continuous rolls of plastic, which can dramatically increase the rate of production,&#8221; said the agency&#8217;s Renewable Energy Systems Group Leader Anthony Chesman.</p>
<p>The team, which collaborated with researchers from the <a href="https://www.cam.ac.uk/" target="_blank" rel="noopener">University of Cambridge</a>, <a href="https://www.monash.edu/" target="_blank" rel="noopener">Monash University</a>, the <a href="https://www.sydney.edu.au/" target="_blank" rel="noopener">University of Sydney</a><u>,</u> and the <a href="https://www.unsw.edu.au/" target="_blank" rel="noopener">University of New South Wales</a>, solved several engineering problems across a large surface area of interconnected modules to achieve record results.</p>
<p>&#8220;We developed a system for rapidly producing and testing over ten thousand solar cells a day – something that would have been impossible to do manually. We&#8217;ve also alleviated the need to use expensive metals, such as gold, in their production by using specialized carbon inks, which further reduces production costs,&#8221; stated Principal Research Scientist Doojin Vak.</p>
<p>Incorporating an advanced material called perovskite, CSIRO&#8217;s printed solar panels differ from the silicon solar panels found on Australian roofs. &#8220;Our thin, lightweight solar can be easily transported anywhere there is sun,&#8221; he said.</p>
<p>The team also sent the solar panels to space to test their performance, to further optimize and provide a reliable energy source for future space endeavors.</p>
<p>Recently, scientists from the National University of Singapore <a href="https://www.mercomindia.com/record-efficiency-tandem-solar-cell" target="_blank" rel="noopener">announced</a> a record energy conversion efficiency of 27.1% from a novel triple-junction solar cell, which promises to overcome current limitations in solar technology.</p>
<p>Earlier this year, researchers also <a href="https://www.mercomindia.com/bulky-molecules-perovskite-solar-last-longer" target="_blank" rel="noopener">found</a> that adding bulky molecules can make perovskite solar cells last longer, surpassing silicon solar cells&#8217; maximum theoretical efficiency.</p>


Australian Scientists Report Record 15.5% Efficiency for Printed Solar Cells

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