Cheaper solar cells could be on the way thanks to new materials

Journal Reference: Zhen Li, Bo Li, Xin Wu, Stephanie A. Sheppard, Shoufeng Zhang, Danpeng Gao, Nicholas J. Long, Zonglong Zhu. Organometallic-functionalized interfaces for highly efficient inverted perovskite solar cells. Science, 2022; 376 (6591): 416 DOI: 10.1126/science.abm8566 Traditional solar cells are made from silicon, which has good efficiency and stability, but is relatively expensive to make … Read more

Strategy for highly efficient and stable perovskite solar cells

Journal Reference: Taylor B. Hamby, Matthew J. LaLama, Christo S. Sevov. Controlling Ni redox states by dynamic ligand exchange for electroreductive Csp3–Csp2 coupling. Science, 2022; 376 (6591): 410 DOI: 10.1126/science.abo0039 Traditional solar cells are made of silicon, which has high power conversion efficiency and good stability. But they are relatively expensive and are reaching their … Read more

Ice shards in Antarctic clouds let more solar energy reach Earth’s surface

Journal Reference: R. L. Atlas, C. S. Bretherton, M. F. Khairoutdinov, P. N. Blossey. Hallett‐Mossop Rime Splintering Dims Cumulus Clouds Over the Southern Ocean: New Insight From Nudged Global Storm‐Resolving Simulations. AGU Advances, 2022; 3 (2) DOI: 10.1029/2021AV000454 The paper, published March 4 in the open-access journal AGU Advances, shows that including this ice-splintering process … Read more

Engineers enlist AI to help scale up advanced solar cell manufacturing

Journal Reference: Zhe Liu, Nicholas Rolston, Austin C. Flick, Thomas W. Colburn, Zekun Ren, Reinhold H. Dauskardt, Tonio Buonassisi. Machine learning with knowledge constraints for process optimization of open-air perovskite solar cell manufacturing. Joule, 2022; DOI: 10.1016/j.joule.2022.03.003 Manufacturing perovskite-based solar cells involves optimizing at least a dozen or so variables at once, even within one … Read more

4 billion-year-old relic from early solar system heading our way

Journal Reference: Man-To Hui, David Jewitt, Liang-Liang Yu, Max J. Mutchler. Hubble Space Telescope Detection of the Nucleus of Comet C/2014 UN271 (Bernardinelli–Bernstein). The Astrophysical Journal Letters, 2022; 929 (1): L12 DOI: 10.3847/2041-8213/ac626a Comets, among the oldest objects in the solar system, are icy bodies that were unceremoniously tossed out of the solar system in … Read more

Solar cell keeps working long after sun sets

Journal Reference: Sid Assawaworrarit, Zunaid Omair, Shanhui Fan. Nighttime electric power generation at a density of 50 mW/m2 via radiative cooling of a photovoltaic cell. Applied Physics Letters, 2022; 120 (14): 143901 DOI: 10.1063/5.0085205 In Applied Physics Letters, by AIP Publishing, researchers from Stanford University constructed a photovoltaic cell that harvests energy from the environment during … Read more

Solar hydrogen: Better photoelectrodes through flash heating

Journal Reference: Ronen Gottesman, Isabella Peracchi, Jason L. Gerke, Rowshanak Irani, Fatwa F. Abdi, Roel van de Krol. Shining a Hot Light on Emerging Photoabsorber Materials: The Power of Rapid Radiative Heating in Developing Oxide Thin-Film Photoelectrodes. ACS Energy Letters, 2022; 7 (1): 514 DOI: 10.1021/acsenergylett.1c02220 Metal-oxide thin film photoelectrodes are particularly promising for these … Read more

When worlds collide: Studying impact craters to uncover the secrets of the solar system

Journal Reference: J.R. Elliott, H.J. Melosh, B.C. Johnson. The role of target strength on the ejection of martian meteorites. Icarus, 2022; 375: 114869 DOI: 10.1016/j.icarus.2021.114869 Brandon Johnson studies the latter, using information about impacts to understand the history and the composition of planets, moons, asteroids and meteorites throughout the solar system. “Impact cratering is the … Read more

Solar energy explains fast yearly retreat of Antarctica’s sea ice

Journal Reference: L. A. Roach, I. Eisenman, T. J. W. Wagner, E. Blanchard-Wrigglesworth, C. M. Bitz. Asymmetry in the seasonal cycle of Antarctic sea ice driven by insolation. Nature Geoscience, 2022; DOI: 10.1038/s41561-022-00913-6 New research led by the University of Washington explains why the ice retreats so quickly: Unlike other aspects of its behavior, Antarctic … Read more

Wind, solar could replace coal power in Texas

Journal Reference: Richard Morse, Sarah Salvatore, Joanna H. Slusarewicz, Daniel S. Cohan. Can wind and solar replace coal in Texas? Renewables: Wind, Water, and Solar, 2022; 9 (1) DOI: 10.1186/s40807-022-00069-2 The new work led by environmental engineer Daniel Cohan and senior computer science major Richard Morse of Rice’s George R. Brown School of Engineering uses … Read more