Japan introduces the first ‘super solar panel’ that is comparable to 20 nuclear reactors at once. It is called the perovskite solar cells (PSC).
Category: solar power – Page 8
Lasers. MRIs. Precision timekeeping. Solar cells. SI units of measure. High-contrast, high-efficiency display devices. Ultraprecise sensors. Optimized drug development. Secure communications. Most of us don’t think about it, but we interact with quantum-enabled devices and applications on a regular basis, and that’s only going to accelerate.
Wireless communications technology has transformed the world, but the devices, which are quickly growing in number, require a consistent and ample source of power. Dong et al. developed a transparent device that harvests energy from two sources — radio waves and the sun — to power a wide range of wireless devices.
The breakthrough represents a significant step forward in optimizing energy conversion, since previous systems typically focused on harvesting either radio frequency or solar power, but not both. For example, coupling the energy harvester device with a solar cell increases the solar cell’s maximum power output by 13.11%. Furthermore, the device demonstrates an optical transparency of over 80 percent, allowing it to be invisibly integrated into many next-generation wireless technologies as both an energy harvester and a light transmitter.
Device may make smart windows and the Internet of Things more energetically sustainable.
Researchers from Stanford University are working on solar panel technology that works at night, which is one of the biggest challenges of solar power.
In a major leap toward sustainable energy, a team of Japanese researchers has developed an artificial photosynthesis system that could help generate hydrogen and oxygen from just water and light. The breakthrough is thanks to a new type of hydrogel, which mimics the natural process of photosynthesis and performs these reactions without requiring external energy. This innovation opens up exciting possibilities for clean energy production, potentially transforming the way we think about renewable resources.
Artificial photosynthesis has long been a goal for scientists looking to replicate the natural process plants use to convert light into energy. The concept is simple in theory: use light to drive chemical reactions that produce useful energy, such as hydrogen. However, previous attempts to harness this process have been hampered by the need for external energy to trigger the reactions, making the systems inefficient and difficult to scale.
Enter hydrogels —a promising new solution. These polymer-based materials are capable of responding to external stimuli like temperature, light, and pH. The challenge, however, has been that these materials often suffer from self-aggregation, where the molecules clump together and hinder the energy conversion process. The Japanese researchers, however, have overcome this obstacle by designing a hydrogel that maintains the precise arrangement of its molecules, enabling a more effective energy transfer.
How can the latest technology, such as solar cells, be improved? An international research team led by the University of Göttingen is helping to find answers to questions like this with a new technique. For the first time, the formation of tiny, difficult-to-detect particles—known as dark excitons—can be tracked precisely in time and space. These invisible carriers of energy will play a key role in future solar cells, LEDs and detectors. The results are published in Nature Photonics.
Dark excitons are tiny pairs made up of one electron together with the hole it leaves behind when it is excited. They carry energy but cannot emit light (hence the name “dark”). One way to visualize an exciton is to imagine a balloon (representing the electron) that flies away and leaves behind an empty space (the hole) to which it remains connected by a force known as a Coulomb interaction. Researchers talk about “particle states” that are difficult to detect but are particularly important in atomically thin, two-dimensional structures in special semiconductor compounds.
In an earlier publication, the research group led by Professor Stefan Mathias from the Faculty of Physics at the University of Göttingen was able to show how these dark excitons are created in an unimaginably short time and describe their dynamics with the help of quantum mechanical theory.
“For the First Time Ever: China’s Tiangong Astronauts Create Oxygen & Rocket Fuel in Orbit!”
For the first time, astronauts aboard China’s Tiangong space station have achieved a groundbreaking feat: converting carbon dioxide and water into oxygen and rocket fuel using artificial photosynthesis. This revolutionary technology mimics how plants create energy and has the potential to transform space exploration forever. Imagine astronauts producing breathable air and spacecraft fuel directly in orbit—no more costly resupply missions from Earth! This efficient, sustainable innovation could enable long-term missions to the Moon, Mars, and beyond, making the dream of a multi-planetary future more achievable than ever. In this video, we’ll explore how this technology works, why it’s so important, and what it means for humanity’s next big leap. Don’t miss out on this exciting update about the future of space exploration!
References:
https://www.scmp.com/news/china/science/article/3295452/chin…ation-leap.
https://interestingengineering.com/space/china-makes-resourc…ace-travel.
https://www.gasworld.com/story/china-turns-co2-into-oxygen-o…7.article/
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Green Hydrogen — The Future Clean Source Of Energy — Part 1
Perovskite solar cells are attracting attention as next-generation solar cells. These cells have high efficiency, are flexible, and can be printed, among other features. However, lead was initially used in their manufacture, and its toxicity has become an environmental issue.
Therefore, a method for replacing lead with tin, which has a low environmental impact, has been proposed. Nevertheless, tin is easily oxidized; consequently, the efficiency and durability of tin perovskite solar cells are lower than those of lead perovskite solar cells.
To improve the durability of tin perovskite by suppressing tin oxidation, a method that introduces large organic cations into tin perovskite crystals to form a two-dimensional layered structure called Ruddlesden-Popper (RP) tin-based perovskites has been proposed. However, the internal state of this structure and the mechanism by which it improves performance have not been fully elucidated.
Scientists have long sought to understand the exact mechanism behind water splitting by carbon nitride catalysts. For the first time, Dr. Paolo Giusto and his team captured the step-by-step interactions at the interface between carbon nitride and water, detailing the transfer of protons and electrons from water to the catalyst under light.
This discovery lays critical groundwork for optimizing catalyst materials for hydrogen production as a renewable energy solution. The findings are published in the journal Nature Communications.
Plants use light to generate fuels through photosynthesis—converting energy from the sun into sugar molecules. With artificial photosynthesis, scientists mimic nature and convert light into high-energy chemicals, in pursuit of sustainable fuels. Carbon nitrides have long been identified as effective catalysts in this ongoing quest. These compounds of carbon and nitrogen use light to break water into its constituent parts, oxygen and hydrogen—with hydrogen representing a promising renewable energy source.
University of Missouri scientists are unlocking the secrets of halide perovskites—a material that’s poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics.
Suchi Guha and Gavin King, two physics professors in Mizzou’s College of Arts and Science, are studying the material at the nanoscale: a place where objects are invisible to the naked eye. At this level, the extraordinary properties of halide perovskites come to life, thanks to the material’s unique structure of ultra-thin crystals—making it astonishingly efficient at converting sunlight into energy.
Think solar panels that are not only more affordable but also far more effective at powering homes. Or LED lights that burn brighter and last longer while consuming less energy.