{"id":120521,"date":"2026-08-22T13:33:08","date_gmt":"2026-08-22T08:03:08","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=120521"},"modified":"2026-08-22T13:33:08","modified_gmt":"2026-08-22T08:03:08","slug":"polysilicon","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/polysilicon\/","title":{"rendered":"Polysilicon"},"content":{"rendered":"<h2><b>Polysilicon Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The government is working to add 30 gigawatts (GW) of polysilicon manufacturing capacity by 2030 and is working on a subsidy scheme.<\/span><\/p>\n<h2><b>About Polysilicon<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Polysilicon, also known as <\/span><b>polycrystalline silicon<\/b><span style=\"font-weight: 400;\"> or simply poly-Si, is <\/span><b>composed of multiple tiny crystals or grains of silicon.\u00a0\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is composed of<\/span> <span style=\"font-weight: 400;\">multiple <\/span><b>smaller silicon crystals fused together in a haphazard manner.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Polysilicon is <\/span><b>highly pure<\/b><span style=\"font-weight: 400;\"> and <\/span><b>generates <\/b><span style=\"font-weight: 400;\">almost as much<\/span><b> energy as pure mono-crystalline silicon.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Because of this, polysilicon is <\/span><b>crucial to the solar industry<\/b><span style=\"font-weight: 400;\"> as it plays a key part when <\/span><b>manufacturing solar cells<\/b><span style=\"font-weight: 400;\"> that are used in solar panels.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">To produce solar modules,<\/span> <span style=\"font-weight: 400;\">polysilicon is <\/span><b>melted at high temperatures to form ingots,<\/b><span style=\"font-weight: 400;\"> which are then<\/span><b> sliced into wafers and processed into solar cells <\/b><span style=\"font-weight: 400;\">and solar modules.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is also <\/span><b>used in the semiconductor industry <\/b><span style=\"font-weight: 400;\">to manufacture integrated circuits and other electronic components.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is <\/span><b>produced by purifying metallurgical-grade silicon into a high-purity form.\u00a0<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">There are two main methods to produce high-quality polysilicon that can be used for solar cell manufacturing: the <\/span><b>Siemens process and fluidized bed reactor (FBR) technology.\u00a0\u00a0\u00a0<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Global<\/span><b> production is highly concentrated.<\/b> <b>China accounts for the large majority<\/b><span style=\"font-weight: 400;\"> of <\/span><b>solar-grade polysilicon output.<\/b><\/li>\n<\/ul>\n<p><b>News: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/news\/national\/govt-working-on-additional-subsidy-scheme-for-polysilicon-manufacturing-official\/article71374588.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polysilicon, also known as polycrystalline silicon or simply poly-Si, is composed of multiple tiny crystals or grains of silicon. Read more about Polysilicon, Composition, Importance, Latest News.<\/p>\n","protected":false},"author":23,"featured_media":120503,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[9373],"class_list":["post-120521","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-polysilicon","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/120521","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=120521"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/120521\/revisions"}],"predecessor-version":[{"id":120532,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/120521\/revisions\/120532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/120503"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=120521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=120521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=120521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}