{"id":5084,"date":"2015-10-13T09:48:38","date_gmt":"2015-10-12T23:18:38","guid":{"rendered":"http:\/\/www.solarquotes.com.au\/blog\/?p=5084"},"modified":"2025-07-29T08:47:21","modified_gmt":"2025-07-28T23:17:21","slug":"harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\/","title":{"rendered":"Harry Potter-style invisibility cloaks to improve solar cell efficiency?"},"content":{"rendered":"
\"Image

Image credit: http:\/\/harrypotter.wikia.com\/wiki\/Cloak_of_Invisibility<\/p><\/div>\n

In a development that will bring a smile to the faces of Harry Potter fans, researchers at the Karlsruhe Institute of Technology (KIT)<\/a> announced this week the success of using invisibility cloaks to improve solar cell efficiency.<\/p>\n

While the technology sounds very J. K. Rowling, the benefits of invisibility cloaks for solar cell efficiency \u2014 or at least technology that acts very much like invisibility cloaks \u2014 are very real.<\/p>\n

The breakthrough lies in the fact that solar panels use contact \u201cfingers\u201d \u2014 grids and lines that move the electrical current away from the solar cells. Because these points account for around a tenth of the surface of the solar panel, the result is this area is unavailable to harvest energy from the sun. You can see them on a solar cell here:<\/p>\n

\"solar

The vertical and horizontal fingers can make up to 10% of the surface area of a solar cell.<\/p><\/div>\n

According to study author Martin Schuman:<\/p>\n

\u201cOur model experiments have shown that the cloak layer makes the contact fingers nearly completely invisible.\u201d<\/p><\/blockquote>\n

The \u201cinvisibility cloak\u201d modelled by researchers at Karlsruhe, acts to maximise the area covered by the contact fingers, guiding the light around them so they can be absorbed by the solar cells that surround them. Rather than Hogwarts-inspired magic though, the cloak is a sophisticated polymer-based coating, designed on an advanced laser printer, that bends the light to a specific area.<\/p>\n

The gain in efficiency is impressive.<\/p>\n

\u201cWhen applying such a coating onto a real solar cell, optical losses via the contact fingers are supposed to be reduced and efficiency is assumed to be increased by up to 10%, added Schumann.<\/p><\/blockquote>\n

This is potentially a major breakthrough in improvement in solar panel efficiency<\/a> as light that falls on the contact fingers is not lost. With only an estimated one fifth of the sun\u2019s light being converted into electricity in today\u2019s typical solar panels, the Karlsruhe-developed technology will improve solar cell efficiency by creating more area for the sunlight to fall and be harvested as solar energy.<\/p>\n

Invisibility cloaks to improve solar cell efficiency? What next, the Hogwarts School of Photovoltaic Wizardry? I\u2019m sure J. K. Rowling would be proud.<\/p>\n","protected":false},"excerpt":{"rendered":"

In a development that will bring a smile to the faces of Harry Potter fans, researchers at the Karlsruhe Institute of Technology (KIT) announced this week the success of using invisibility cloaks to improve solar cell efficiency. While the technology sounds very J. K. Rowling, the benefits of invisibility cloaks for solar cell efficiency \u2014 […]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[509],"tags":[64,16,136,63],"class_list":["post-5084","post","type-post","status-publish","format-standard","hentry","category-solar-innovations","tag-efficiency","tag-research","tag-solar-cell","tag-solar-panel-technology","entry"],"acf":[],"yoast_head":"\nHarry Potter-style invisibility cloaks to improve solar cell efficiency? - SolarQuotes Blog<\/title>\n<meta name=\"description\" content=\"Harry Potter fans rejoice, for the Karlsruhe Institute of Technology has announced the development of invisibility cloaks to improve solar cell efficiency.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.solarquotes.com.au\/blog\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Harry Potter-style invisibility cloaks to improve solar cell efficiency?\" \/>\n<meta property=\"og:description\" content=\"Harry Potter fans rejoice, for the Karlsruhe Institute of Technology has announced the development of invisibility cloaks to improve solar cell efficiency.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\/\" \/>\n<meta property=\"og:site_name\" content=\"SolarQuotes Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SolarQuotes\/\" \/>\n<meta property=\"article:published_time\" content=\"2015-10-12T23:18:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-28T23:17:21+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2015\/10\/inv-cloak.jpg\" \/>\n<meta name=\"author\" content=\"Staff Writer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@solar_quotes\" \/>\n<meta name=\"twitter:site\" content=\"@solar_quotes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/\"},\"author\":{\"name\":\"Staff Writer\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#\\\/schema\\\/person\\\/cdfada92425341cb1b48bf0bcfa1feb7\"},\"headline\":\"Harry Potter-style invisibility cloaks to improve solar cell efficiency?\",\"datePublished\":\"2015-10-12T23:18:38+00:00\",\"dateModified\":\"2025-07-28T23:17:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/\"},\"wordCount\":392,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/wp-content\\\/uploads\\\/2015\\\/10\\\/inv-cloak.jpg\",\"keywords\":[\"Efficiency\",\"research\",\"solar cell\",\"Solar Technology\"],\"articleSection\":[\"Solar Innovations\"],\"inLanguage\":\"en-AU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/\",\"url\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/harry-potter-style-invisibility-cloaks-to-improve-solar-cell-efficiency\\\/\",\"name\":\"Harry Potter-style invisibility cloaks to improve solar cell efficiency? 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The company says its record was certified by the US National Renewable Energy Laboratory,\u2026","rel":"","context":"In "General Solar & Storage News"","block_context":{"text":"General Solar & Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"longi people celebrating","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/11\/longi-33-9-record.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/11\/longi-33-9-record.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/11\/longi-33-9-record.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/11\/longi-33-9-record.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/11\/longi-33-9-record.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":11073,"url":"https:\/\/www.solarquotes.com.au\/blog\/trina-solar-efficiency-record-mb0025\/","url_meta":{"origin":5084,"position":2},"title":"Trina Solar Sets New IBC Monocrystalline Cell Efficiency Record","author":"Michael Bloch","date":"May 8, 2017","format":false,"excerpt":"Trina Solar has announced it has set a new record of 24.13% total-area efficiency for a large-area n-type mono-crystalline silicon Interdigitated Back Contact (IBC) solar cell. Through moving the front contact grids to the rear of the device, IBC cells have a number of advantages over front-contact cells. These include\u2026","rel":"","context":"In "General Solar & Storage News"","block_context":{"text":"General Solar & Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"PV cell efficiency record - Trina Solar","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/05\/trina-solar-cell-record.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/05\/trina-solar-cell-record.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/05\/trina-solar-cell-record.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":1488,"url":"https:\/\/www.solarquotes.com.au\/blog\/sydney-universitys-upconversion-solar-cell-breakthrough\/","url_meta":{"origin":5084,"position":3},"title":"Sydney University\u2019s upconversion solar cell breakthrough","author":"Staff Writer","date":"April 24, 2012","format":false,"excerpt":"Sydney Uni researchers make another breakthrough which promises, cheaper, more powerful solar panels.","rel":"","context":"In "Solar Panels"","block_context":{"text":"Solar Panels","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-panels-2\/"},"img":{"alt_text":"A turbo boost button (from KITT)","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2012\/04\/turbo-solar-254x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":40,"url":"https:\/\/www.solarquotes.com.au\/blog\/chinese-solar-company-says-improved-solar-efficiency-on-the-way-based-on-aussie-technology\/","url_meta":{"origin":5084,"position":4},"title":"Chinese Solar Company Says Improved Solar Efficiency On The Way (based on Aussie Technology!)","author":"Finn Peacock","date":"April 7, 2009","format":false,"excerpt":"The largest producer of solar panels in the world, Suntech Power Holdings, has recently reported more information regarding its latest Pluto technology. This new technology has made substantial progress in improving the conversion efficiencies of solar cell technology Although there have been a number of improvements in technology in the\u2026","rel":"","context":"In "Solar Panels"","block_context":{"text":"Solar Panels","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-panels-2\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5192,"url":"https:\/\/www.solarquotes.com.au\/blog\/new-trina-solar-cell-efficiency-record-smashes-previous-mark\/","url_meta":{"origin":5084,"position":5},"title":"New Trina solar cell efficiency record smashes previous mark","author":"Staff Writer","date":"November 16, 2015","format":false,"excerpt":"One year after setting the world record, the world's largest Tier 1 solar panel\u00a0manufacturer Trina Solar has done it again. The new benchmark for Trina solar cell efficiency for a p-type polycrystalline silicon solar cell has skyrocketed from 20.76 percent to 21.25 percent. 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