{"id":9533,"date":"2018-07-26T15:47:13","date_gmt":"2018-07-26T13:47:13","guid":{"rendered":"http:\/\/www.arnoschrauwers.nl\/weblog\/?p=9533"},"modified":"2018-07-26T15:47:13","modified_gmt":"2018-07-26T13:47:13","slug":"9533","status":"publish","type":"post","link":"https:\/\/www.arnoschrauwers.nl\/weblog\/26\/07\/2018\/9533\/","title":{"rendered":""},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignleft wp-image-9534\" src=\"http:\/\/www.arnoschrauwers.nl\/weblog\/wp-content\/uploads\/organische-zonnecellen.gif\" alt=\"\" width=\"420\" \/>Franse, Russische en Kazachstaanse onderzoekers <a href=\"http:\/\/pubs.rsc.org\/en\/Content\/ArticleLanding\/2018\/TA\/C8TA04127J#!divAbstract\">zijn er in geslaagd<\/a> het energetisch rendement van organische zonnecellen aanzienlijk te verhogen: van 3,7 naar 10,2%. Dat is nog altijFranse, Russiche en Kazachstaanse onderzoekers hebben het elektrisch rendement van organische zonnecellen verdrievoudigd.d minder de het rendement van siliciumzonnecellen (15 tot 20%), maar de grote sprong voorwaarts doet vermoeden dat er in die technologie nog wel wat rek zit.<!--more--><\/p>\n<p>Het in deze goed presterende cellen gebruikte polymeer is allesbehalve simpel. Het bestaat uit series heterocyclische (zwavel en koolstof; zie plaatje) bouwstenen met &#8216;zijtakken&#8217;. De onderzoekers probeerden enkele variaties van dat polymeer uit om te zien welke het beste resultaat gaf. Een, gefluorideerde, variant bleek een schot in de roos.<br \/>\nVervolgens plozen de onderzoekers de molecuulstructuur van de &#8216;winnaar&#8217; uit. R\u00f6ntgenopnames lieten zien dat de &#8216;gestapelde&#8217; structuur orde bracht. Bovendien bleek het polymeer (daardoor?) beter elektronen te geleiden.<\/p>\n<h2>Voordelen<\/h2>\n<p>Onderzoeker<a href=\"https:\/\/mipt.ru\/english\/news\/researchers_upgrade_organic_solar_cells_to_be_used_in_roof_tiles_generating_power\"> Dimitri Ivanov<\/a> wijst op de voordelen van organische zonnecellen boven siliciumcellen: ze zijn in minder processtappen te fabriceren en bovendien kunnen ze in dunne, flexibele lagen worden geproduceerd. &#8220;Je zou ze op dakpannen kunnen aanbrengen.&#8221;<\/p>\n<p><em>Bron: <a href=\"https:\/\/www.eurekalert.org\/pub_releases\/2018-07\/miop-ruo072518.php\">EurekAlert<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Franse, Russiche en Kazachstaanse onderzoekers hebben het elektrisch rendement van organische zonnecellen verdrievoudigd.<br \/>\n <a href=\"https:\/\/www.arnoschrauwers.nl\/weblog\/26\/07\/2018\/9533\/\">Lees verder <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[481,8,18],"tags":[1566,611,10],"class_list":["post-9533","post","type-post","status-publish","format-standard","hentry","category-batterijen","category-zonne-energie","category-zonnecellen","tag-energetisch-rendement","tag-siliciumcellen","tag-organische-zonnecellen"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>- Geleerd uitschot<\/title>\n<meta name=\"description\" content=\"Franse, Russiche en Kazachstaanse onderzoekers hebben het elektrisch rendement van organische zonnecellen verdrievoudigd.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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