{"id":13120,"date":"2025-09-25T10:16:10","date_gmt":"2025-09-25T04:46:10","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=13120"},"modified":"2025-09-25T16:30:27","modified_gmt":"2025-09-25T11:00:27","slug":"carbon-based-perovskite-solar-cells-cpscs","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/carbon-based-perovskite-solar-cells-cpscs\/","title":{"rendered":"Perovskite Solar Cells"},"content":{"rendered":"<h2><strong>Perovskite Solar Cells Latest News<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Swedish scientists at Chalmers University of Technology have used AI-enhanced simulations to solve the long-standing puzzle of halide perovskite instability.<\/span><\/p>\n<h2><strong>About Perovskite Solar Cell (PSC)<\/strong><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A <\/span><b>Perovskite Solar Cell (PSC)<\/b><span style=\"font-weight: 400;\"> is a type of <\/span><b>thin-film photovoltaic device<\/b><span style=\"font-weight: 400;\"> that uses <\/span><b>perovskite-structured compounds (ABX\u2083)<\/b><span style=\"font-weight: 400;\"> as the <\/span><b>light-absorbing active layer<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Perovskite Material<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Named after the mineral <\/span><b>calcium titanium oxide (CaTiO\u2083)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">General chemical formula: <\/span><b>ABX\u2083<\/b><span style=\"font-weight: 400;\">, where \u2018A\u2019 and \u2018B\u2019 are <\/span><b>cations<\/b><span style=\"font-weight: 400;\"> and \u2018X\u2019 is an <\/span><b>anion<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">\u00a0In solar tech, it usually refers to <\/span><b>metal halide perovskites<\/b><span style=\"font-weight: 400;\">: hybrid organic\u2013inorganic compounds with a <\/span><b>metal cation (Pb\u00b2\u207a, Sn\u00b2\u207a), halide anion (I\u207b, Br\u207b, Cl\u207b), and organic cation (methylammonium, formamidinium)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Advantages<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>High power conversion efficiency (PCE)<\/b><span style=\"font-weight: 400;\"> (over 25% in labs).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Thin, lightweight, and flexible<\/b><span style=\"font-weight: 400;\"> \u2192 can be applied on <\/span><b>windows, buildings, smartphones, and vehicles<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Low-cost fabrication<\/b><span style=\"font-weight: 400;\"> compared to energy-intensive silicon processing.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Potential use in <\/span><b>tandem solar cells<\/b><span style=\"font-weight: 400;\"> with silicon for even higher efficiency.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Efficiency Potential<\/b><span style=\"font-weight: 400;\">: It is known for <\/span><b>high light absorption<\/b><span style=\"font-weight: 400;\">, <\/span><b>excellent charge transport<\/b><span style=\"font-weight: 400;\">, and <\/span><b>bandgap tunability<\/b><span style=\"font-weight: 400;\"> and also\u00a0 achieved <\/span><b>power conversion efficiencies (PCEs) above 25%<\/b><span style=\"font-weight: 400;\">, comparable to silicon cells.<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><a href=\"https:\/\/www.downtoearth.org.in\/energy\/swedish-scientists-pave-the-way-for-next-gen-solar-cells-crack-perovskite-puzzle-with-ai-simulations\" target=\"_blank\" rel=\"nofollow noopener\"><b>DTE<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Perovskite is a material with a crystal structure like CaTiO\u2083, discovered in 1839. It has the formula ABX\u2083, where A and B are cations and X is an anion.<\/p>\n","protected":false},"author":5,"featured_media":65122,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[206,21,23],"class_list":{"0":"post-13120","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-perovskite-solar-cells","9":"tag-prelims-pointers","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=13120"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13120\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/65122"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=13120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=13120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=13120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}