{"id":19669,"date":"2025-05-05T05:28:13","date_gmt":"2025-05-05T03:28:13","guid":{"rendered":"https:\/\/thesmartcityjournal.cibeles.net\/sin-categoria\/scientists-develop-artificial-leaf-that-uses-sunlight-to-produce-valuable-chemicals\/"},"modified":"2025-05-04T18:19:55","modified_gmt":"2025-05-04T16:19:55","slug":"scientists-develop-artificial-leaf-that-uses-sunlight-to-produce-valuable-chemicals","status":"publish","type":"post","link":"https:\/\/www.thesmartcityjournal.com\/en\/news\/scientists-develop-artificial-leaf-that-uses-sunlight-to-produce-valuable-chemicals","title":{"rendered":"Scientists Develop Artificial Leaf That Uses Sunlight to Produce Valuable Chemicals"},"content":{"rendered":"

Researchers built a perovskite and copper-based device that converts carbon dioxide into C2 products \u2013 precursor chemicals of innumerable products in our everyday lives, from plastic polymers to jet fuel<\/p>\n

Researchers from the Department of Energy\u2019s Lawrence Berkeley National Laboratory (Berkeley Lab) along with international collaborators have brought us one step closer to harnessing the sun\u2019s energy to convert carbon dioxide into liquid fuel and other valuable chemicals. In a recent publication<\/a> in Nature Catalysis<\/i>, the researchers debut a self-contained carbon-carbon (C2) producing system that combines the catalytic power of copper with perovskite<\/a>, a material used in photovoltaic solar panels. This advance builds on over 20 years of research and brings the scientific community one step closer to replicating the productivity of a green leaf in nature.<\/p>\n

This work is part of a larger initiative, the Liquid Sunlight Alliance (LiSA<\/a>), which is a Fuels from Sunlight Energy Innovation Hub funded by the U.S. Department of Energy. Led by Caltech in close partnership with Berkeley Lab, LiSA brings together more than 100 scientists from national lab partners at SLAC and the National Renewable Energy Laboratory, and university partners at UC Irvine, UC San Diego, and the University of Oregon. Researchers involved in this multi-institutional collaboration have made advances in developing our understanding of and the tools needed to develop liquid fuels generated from sunlight, carbon dioxide, and water. (Learn more about the LiSA collaboration in this roundup<\/a>, \u201cFive Ways LiSA is Advancing Solar Fuels.\u201d)<\/p>\n

\u201cNature was our inspiration,\u201d said Peidong Yang, a senior faculty scientist in Berkeley Lab\u2019s Materials Sciences Division and UC Berkeley professor of chemistry and materials science and engineering involved in the published work. \u201cWe had to work on the individual components first, but when we brought everything together and realized that it was successful, it was a very exciting moment.\u201d<\/p>\n

To build a system that mimics photosynthesis, Yang and his team followed the natural processes that occur in the leaf of a plant. Each individual component of a leaf\u2019s photosynthesizing elements had to be replicated and refined. Tapping into the decades\u2019 worth of research, the scientists used lead halide perovskite photoabsorbers to imitate a leaf\u2019s light-absorbing chlorophyll. And inspired by enzymes that regulate photosynthesis in nature, they designed electrocatalysts made of copper that resemble tiny flowers.<\/p>\n

Previous experiments have successfully replicated photosynthesis through the use of biological materials, but this work incorporated an inorganic material, copper. While the selectivity of copper is lower than biological alternatives, the inclusion of copper presents a more durable, stable, and longer-lasting option for the artificial leaf system design.<\/p>\n

Work led by researchers in the LiSA project developed the cathode and anode components of the new device. Instruments at Berkeley Lab\u2019s Molecular Foundry<\/a> allowed Yang\u2019s team to integrate the device with metal contacts. During the experiments in Yang\u2019s lab, a solar simulator mimicking a consistently bright sun was used to test the selectivity of the new device.<\/p>\n

Prior innovations across research groups enabled an organic oxidation reaction to take place in the photoanode chamber and created C2 products in the photocathode chamber. This breakthrough created a realistic artificial-leaf architecture in a device about the size of a postage stamp \u2013 it converts CO2<\/sub> into a C2 molecule using only sunlight.<\/p>\n

The C2 chemicals produced from this device are precursor ingredients for many industries that produce valuable products in our everyday lives \u2013 from plastic polymers to fuel for larger vehicles that can\u2019t yet run off a battery, like an airplane. Building upon this fundamental research milestone, Yang is now aimed to increase the system\u2019s efficiency and expand the size of the artificial leaf to begin increasing the scalability of the solution.<\/p>\n

Source: Ashleigh Papp (https:\/\/newscenter.lbl.gov\/2025\/04\/24\/scientists-develop-artificial-leaf-that-uses-sunlight-to-produce-valuable-chemicals\/<\/a>)<\/p>\n

Image: Peidong Yang (right) and Jia-An Lin, a graduate researcher, used lead halide perovskite photoabsorbers, which imitate a leaf\u2019s light absorbing chlorophyll, and electrocatalysts made of copper that resemble tiny flowers. (Credit: Marilyn Sargent\/Berkeley Lab)<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers built a perovskite and copper-based device that converts carbon dioxide into C2 products \u2013 precursor chemicals of innumerable products in our everyday lives, from plastic polymers to jet fuel Researchers from the Department of Energy\u2019s Lawrence Berkeley National Laboratory (Berkeley Lab) along with international collaborators have brought us one step closer to harnessing the\u2026<\/p>\n","protected":false},"author":2,"featured_media":19668,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_scj_primary_category_id":136,"_scj_featured":false,"_scj_featured_from":"","_scj_featured_until":"","_scj_featured_order":0,"_scj_visibility_class":"current","_scj_layout_family":"standard","_scj_article_style":"","_scj_display_overrides":[],"_scj_intro_image_id":19668,"_scj_intro_alt":"Artificial leaf device using copper and perovskite converts CO\u2082 into useful chemicals like fuel and plastics \u2013 Berkeley Lab breakthrough","_scj_intro_caption":"","_scj_intro_class":"","_scj_intro_float":"","_scj_full_image_id":19668,"_scj_full_alt":"Artificial leaf device using copper and perovskite converts CO\u2082 into useful chemicals like fuel and plastics \u2013 Berkeley Lab 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