Artificial photosynthesis can be comparable to the natural world

Artificial photosynthesis can be comparable to the natural world

According to a report by the Physicist Organization Network on April 16, Swedish scientists published a paper in the latest issue of the journal Nature and Chemistry. They stated that they have developed a photosynthesis molecular catalyst that can quickly convert water into oxygen and Hydrogen, the catalyst is expected to reduce the cost of solar energy and other renewable energy sources.

The research team led by Sun Licheng of the Chemistry Department of the Royal Swedish Institute of Technology developed the molecular catalyst, which can perform 300 photosynthesis per second, while natural photosynthesis can perform 100 to 400 photosynthesis per second. Sun Licheng said: "The catalytic speed has created a world record and for the first time it is comparable to natural photosynthesis in nature."

For more than 30 years, scientists in Europe, Japan, and the United States have been trying hard to make artificial photosynthetic systems more refined and faster, but so far no research team has developed a solar energy catalyst that can rapidly oxidize water. Sun Licheng explained: "On the road to creating a perfect artificial photosynthesis system, catalytic speed has always been the main 'stumbling block'."

Sun Licheng said: “The speed with which the latest molecular catalysts have been obtained allows us to create large-scale hydrogen production equipment in the future and use them in the bright Sahara desert. We can also combine this technology with traditional solar cells. Get higher photoelectric conversion efficiency."

Scientists claim that the latest technology is indeed very important today as oil prices continue to soar. Efficient molecular catalysts will pave the way for many upcoming changes. They not only enable scientists to use sunlight to convert carbon dioxide into different fuels (such as methanol, etc.), but also to convert solar energy directly into hydrogen.

The scientists then plan to conduct more detailed research to further reduce the research and development costs of the latest technologies. Sun Licheng said: "I am convinced that in the next 10 years, we will develop renewable energies that are comparable to today's carbon-based fossil fuels on the basis of this technology. President Barack Obama in this type of research area It's not surprising that billions of dollars are under heavy funds."

Sun Licheng has been involved in this research field for 20 years. He stressed that they believe that an efficient catalyst for water oxidation may be the “missing piece” in solar jigsaws. “Using the sun is one of the best ways to obtain renewable energy. ".

Scientists from Uppsala University in Sweden and Dalian University of Technology in China also contributed to the study. (Liu Xia Responsible Editor: Liu Hao)

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