{"id":48210,"date":"2025-05-27T17:20:08","date_gmt":"2025-05-27T11:50:08","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=48210"},"modified":"2025-05-29T17:20:38","modified_gmt":"2025-05-29T11:50:38","slug":"semi-transparent-perovskite-solar-cell","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/semi-transparent-perovskite-solar-cell\/","title":{"rendered":"Semi-Transparent Perovskite Solar Cell"},"content":{"rendered":"<h2>Semi-Transparent Perovskite Solar Cell Latest News<\/h2>\n<p>Recently, the IIT Bombay researchers have developed a semi-transparent perovskite solar cell (PSC).<\/p>\n<p><span style=\"font-family: inherit; font-size: 35px; font-style: inherit;\">About Semi-Transparent Perovskite Solar Cell<\/span><\/p>\n<ul>\n<li>It is layered over a\u00a0<strong>traditional silicon-based solar cell<\/strong>, forming a 4<strong>-terminal (4T) tandem structure.<\/strong><\/li>\n<li><strong>Material used:<\/strong>\u00a0The bottom sub-cell uses well-established\u00a0<strong>silicon technology<\/strong>, while the top sub-cell features an indigenously developed\u00a0<strong>halide perovskite semiconductor<\/strong>, enabling high light absorption and efficient energy conversion.<\/li>\n<li>This helps in power\u00a0<strong>conversion efficiency<\/strong>\u00a0of approximately 30 per cent compared with around 20 per cent now.\n<ul>\n<li>Halide perovskite is among the most efficient light-absorbing materials known today. Apart from being highly efficient in converting light into electricity, it is affordable as electronic grade perovskite semiconductors can be produced locally with available chemical resources.<\/li>\n<\/ul>\n<\/li>\n<li>Perovskite Solar Cells are a type of\u00a0<strong>photovoltaic (PV) technology<\/strong>\u00a0that uses crystal structures called perovskites for converting sunlight into electricity.<\/li>\n<li>These crystals share the structure of the\u00a0<strong>mineral calcium titanium oxide (CaTiO\u2083)<\/strong>\u00a0and can be engineered to possess a wide range of optical, electrical, and semiconducting properties.<\/li>\n<li>The general chemical formula of a perovskite compound is ABX\u2083, where &#8216;A&#8217; and &#8216;B&#8217; are cations, and &#8216;X&#8217; is an anion.<\/li>\n<li>They offer high\u00a0<strong>power conversion efficiencies<\/strong>\u00a0at a lower cost than traditional silicon-based PVs, but they suffer from shorter\u00a0<strong>lifespan and stability issues.<\/strong><\/li>\n<\/ul>\n<h2>Semi-Transparent Perovskite Solar Cell FAQs<\/h2>\n<p><strong>Q1:\u00a0<\/strong>What is the lifespan of a perovskite solar cell?<\/p>\n<p><strong>Ans:<\/strong>\u00a0At least 20 years.<\/p>\n<p><strong>Q2:\u00a0<\/strong>What is Perovskite?<\/p>\n<p><strong>Ans:<\/strong>\u00a0Perovskite refers to materials with the crystal structure of calcium titanium oxide (CaTiO\u2083), discovered in 1839 in Russia. The general formula is ABX\u2083, where \u2018A\u2019 and \u2018B\u2019 are cations and \u2018X\u2019 is an anion.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/indianexpress.com\/article\/india\/new-solar-cell-tech-by-iit-bombay-to-sharply-cut-costs-enhance-efficiency-10028736\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a><\/p>\n<p>&nbsp;<\/p>\n<div id=\"allow-copy_covered_elem_id_1748344891339\" class=\"allow-copy_cover allow-copy_cover__minimized allow-copy_cover__on-elem\" style=\"top: 0px; left: 0px; width: 1165.78px; height: 323.5px;\" data-check-covered-elem-position-interval=\"10\">\n<ul class=\"allow-copy_cover-actions\">\n<li class=\"allow-copy_cover-action allow-copy_grab-btn\" title=\"Grab Text\">\u00a0<\/li>\n<li class=\"allow-copy_cover-action allow-copy_copy-to-clipboard-btn allow-copy__hidden\" title=\"Copy full text to clipboard\">\u00a0<\/li>\n<li class=\"allow-copy_cover-action allow-copy_reset-btn allow-copy__hidden\" title=\"Clear Text\">\u00a0<\/li>\n<li class=\"allow-copy_cover-action  allow-copy_maximize-btn\" title=\"Maximize\">\u00a0<\/li>\n<li class=\"allow-copy_cover-action allow-copy_minimize-btn allow-copy__hidden\" title=\"Minimize\">\u00a0<\/li>\n<li class=\"allow-copy_cover-action allow-copy_beta-icon \" title=\"Sorry :( \nIt is beta functionality.\nIt can works incorrectly.\nTurn off in setting if you dislike it.\">Beta<\/li>\n<\/ul>\n<p><span class=\"allow-copy__beta-testing-label\" title=\"Sorry :( \nIt is beta functionality.\nIt can works incorrectly.\nTurn off in setting if you dislike it.\">Beta feature<i class=\"allow-copy__settings\"> <\/i><\/span><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Semi-transparent Perovskite Solar Cell is layered over a traditional silicon-based solar cell, forming a 4-terminal (4T) tandem structure.<\/p>\n","protected":false},"author":6,"featured_media":48140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,568,23],"class_list":{"0":"post-48210","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-semi-transparent-perovskite-solar-cell","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\/48210","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=48210"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/48210\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/48140"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=48210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=48210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=48210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}