{"id":240144,"date":"2026-07-02T02:35:43","date_gmt":"2026-07-02T07:35:43","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/tandem-solar-cell-sets-25-5-efficiency-record-with-cigs-perovskite-design"},"modified":"2026-07-02T02:35:43","modified_gmt":"2026-07-02T07:35:43","slug":"tandem-solar-cell-sets-25-5-efficiency-record-with-cigs-perovskite-design","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/tandem-solar-cell-sets-25-5-efficiency-record-with-cigs-perovskite-design","title":{"rendered":"Tandem solar cell sets 25.5% efficiency record with CIGS-perovskite design"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/tandem-solar-cell-sets-25-5-efficiency-record-with-cigs-perovskite-design2.jpg\"><\/a><\/p>\n<p>A Berlin-based team from HZB and Center for the Science of Materials Berlin (CSMB) at Humboldt-Universit\u00e4t zu Berlin has set a new record for a tandem solar cell. Using a combination of a CIGS semiconductor layer and perovskite, along with several optimized intermediate layers, the team converted 25.5% of sunlight into electrical energy. The previous record for this combination of materials and this size cell had stood at 24.6%.<\/p>\n<p>The new record has been certified and is visible in the Solar Cell Efficiency Tables (the \u201cGreen Tables\u201d) <a href=\"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2542435126001789\" target=\"_blank\">published<\/a> in the journal <i>Joule<\/i>, which serve as the definitive ledger for the global photovoltaic community. To be included in this special \u201crecord table,\u201d not only is high efficiency required, but also an area of more than 1 cm<sup>2<\/sup>. The well-known NLR table (formerly NREL), by contrast, lists only the maximum efficiency per technology, even if the cell has an area of 0.001 cm<sup>2<\/sup>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Berlin-based team from HZB and Center for the Science of Materials Berlin (CSMB) at Humboldt-Universit\u00e4t zu Berlin has set a new record for a tandem solar cell. Using a combination of a CIGS semiconductor layer and perovskite, along with several optimized intermediate layers, the team converted 25.5% of sunlight into electrical energy. The previous [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1633,17],"tags":[],"class_list":["post-240144","post","type-post","status-publish","format-standard","hentry","category-solar-power","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/240144","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=240144"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/240144\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=240144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=240144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=240144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}