{"id":229150,"date":"2026-01-16T01:35:41","date_gmt":"2026-01-16T07:35:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/overcoming-symmetry-limits-in-photovoltaics-through-surface-engineering"},"modified":"2026-01-16T01:35:41","modified_gmt":"2026-01-16T07:35:41","slug":"overcoming-symmetry-limits-in-photovoltaics-through-surface-engineering","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/overcoming-symmetry-limits-in-photovoltaics-through-surface-engineering","title":{"rendered":"Overcoming symmetry limits in photovoltaics through surface engineering"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/overcoming-symmetry-limits-in-photovoltaics-through-surface-engineering2.jpg\"><\/a><\/p>\n<p>A recent study carried out by researchers from EHU, the Materials Physics Center, nanoGUNE, and DIPC introduces a novel approach to solar energy conversion and spintronics. The work tackles a long-standing limitation in the bulk photovoltaic effect\u2014the need for non-centrosymmetric crystals\u2014by demonstrating that even perfectly symmetric materials can generate significant photocurrents through engineered surface electronic states. This discovery opens new pathways for designing efficient light-to-electricity conversion systems and ultrafast spintronic devices.<\/p>\n<p>The work is <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/h8rp-rtn8\" target=\"_blank\">published<\/a> in the journal Physical Review Letters.<\/p>\n<p>Conventional solar cells rely on carefully engineered interfaces, such as p\u2013n junctions, to turn light into electricity. A more exotic mechanism\u2014the <a href=\"https:\/\/phys.org\/news\/2023-12-photovoltaic-effect-organicinorganic-perovskites.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">bulk photovoltaic effect <\/a>\u2014can generate electrical current directly in a material without such junctions, but only if its crystal structure lacks inversion symmetry. This strict requirement has long restricted the search for practical materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A recent study carried out by researchers from EHU, the Materials Physics Center, nanoGUNE, and DIPC introduces a novel approach to solar energy conversion and spintronics. The work tackles a long-standing limitation in the bulk photovoltaic effect\u2014the need for non-centrosymmetric crystals\u2014by demonstrating that even perfectly symmetric materials can generate significant photocurrents through engineered surface electronic [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,48,1633,17],"tags":[],"class_list":["post-229150","post","type-post","status-publish","format-standard","hentry","category-engineering","category-particle-physics","category-solar-power","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=229150"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229150\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}