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</html><thumbnail_url>https://wp.icmm.csic.es/greener/wp-content/uploads/sites/55/2021/11/Research-line-03_BIS-1.jpg</thumbnail_url><thumbnail_width>691</thumbnail_width><thumbnail_height>701</thumbnail_height><description>[vc_row][vc_column][vc_column_text] Optimizing materials for energy production and storage is one of the most significant challenges of this century. Solar energy is one of the most important renewable energy resources due to its wide availability and low environmental impact. In this context, PVK-HM materials belong to an unconventional family of ever-expanding crystalline materials. They inherently possess&hellip;</description></oembed>
