{"id":22516,"date":"2011-11-14T22:38:42","date_gmt":"2011-11-14T19:38:42","guid":{"rendered":"http:\/\/www.fyysika.ee\/uudised\/?p=22516"},"modified":"2011-11-14T22:38:42","modified_gmt":"2011-11-14T19:38:42","slug":"uus-nanostruktuur-mis-neelab-laias-ulatuses-valgust-iga-nurga-alt","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=22516","title":{"rendered":"Uus nanostruktuur, mis neelab laias ulatuses valgust iga nurga alt"},"content":{"rendered":"<p><strong>CalTechi teadlased v\u00f5tsid esmalt Koray Aydini esitatud idee ning valmistasid uue nanostruktuuri, mis neelab igasuguse polarisatsiooniga valgust praktiliselt iga nurga alt. Praeguseks on see uus plasmooniline materjal t\u00f5estanud, et see suudab muundada valguse soojuseks, v\u00f5imaldades seega potentsiaalseid rakendusi p\u00e4ikeseenergia tehnoloogiates.<\/strong><\/p>\n<div id=\"attachment_22517\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/11\/solar_array.gif\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-22517\" class=\"size-medium wp-image-22517\" title=\"solar_array\" src=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/11\/solar_array-300x127.gif\" alt=\"\" width=\"300\" height=\"127\" srcset=\"https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/11\/solar_array-300x127.gif 300w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/11\/solar_array-250x106.gif 250w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/11\/solar_array.gif 700w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-22517\" class=\"wp-caption-text\">P\u00e4ikesepaneelid.<\/p><\/div>\n<p>Teadlased on juba aastaid p\u00e4ikesepaneelide efektiivsuse kallal t\u00f6\u00f6tanud, et nende maksumust v\u00e4hendada ja seega nende kasutamist propageerida. Probleemiks on see, et praegused p\u00e4ikesepaneelid p\u00f5hinevad r\u00e4nil, mille tootmine on v\u00f5rdlemisi kulukas. P\u00fc\u00fcded selle kogust v\u00e4hendada on viinnud efektiivsuse v\u00e4henemiseni, j\u00e4\u00e4des seega vaid unistuseks. N\u00fc\u00fcd paistab aga olevat teinegi viis sellele probleemile l\u00e4henemiseks. CalTechi teadlaste loodud uue materjaliga saab katta praegused olemasolevad p\u00e4ikesepaneelid, muutes need palju efektiivsemaks. See t\u00e4hendab seda, et paneelides oleva r\u00e4nikihi saab teha \u00f5hemaks, saades ikkagi kokkuv\u00f5ttes efektiivsema l\u00f5pptoote. Seda k\u00f5ike t\u00e4nu sellele, et see uus materjal neelab rohkem valgust kui selleni j\u00f5uab t\u00e4nu materjali poolt p\u00f5hjustatavale hajumisele, kirjutab <a href=\"http:\/\/www.physorg.com\/news\/2011-11-nanostructure-absorbs-broad-spectrum-angles.html\">Physorg.com<\/a>.<\/p>\n<p>See uus plasmooniline materjal on valmistatud h\u00f5bedast ning see vormiti trapetsitest koosnevateks ridadeks, mille \u00e4\u00e4rtes on suurel hulgal erineva kujuga \u00a0,,k\u00fchmukesi,&#8221; t\u00e4nu millele valgus erinevatel viisidel paindub. Tulemuseks on materjal, mis suudab neelata kuni 70% n\u00e4htava valguse spektrist. Et muuta materjal ka polarisatsioonist s\u00f5ltumatuks, asetati selle peale 90-kraadise nurga all veel teinegi kiht sama materjali.<\/p>\n<p>Neelates rohkem valgust, suudab uus materjal muundada sama koguse valgust rohkemaks soojusenergiaks kui \u00fckski teine materjal. J\u00e4rgmiseks sammuks on m\u00f5elda v\u00e4lja, kuidas seda neeldunud lisavalgust paremini elektriks muuta ning seda ka erinevate materjalide abil teha.<\/p>\n<p><a href=\"http:\/\/www.physorg.com\/news\/2011-11-nanostructure-absorbs-broad-spectrum-angles.html\">Allikas<\/a><\/p>\n<p>Teadusartikkel: &#8220;<a href=\"http:\/\/www.nature.com\/ncomms\/journal\/v2\/n10\/full\/ncomms1528.html\">Broadband polarization-independent resonant light absorption using ultrathin plasmonic super absorbers<\/a>&#8220;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CalTechi teadlased v\u00f5tsid esmalt Koray Aydini esitatud idee ning valmistasid uue nanostruktuuri, mis neelab igasuguse polarisatsiooniga valgust praktiliselt iga nurga alt. Praeguseks on see uus plasmooniline materjal t\u00f5estanud, et see suudab muundada valguse soojuseks, v\u00f5imaldades seega potentsiaalseid rakendusi p\u00e4ikeseenergia tehnoloogiates. Teadlased on juba aastaid p\u00e4ikesepaneelide efektiivsuse kallal t\u00f6\u00f6tanud, et nende maksumust v\u00e4hendada ja seega nende [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":22517,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[16],"tags":[110,53],"class_list":{"0":"post-22516","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-teadusuudis","8":"tag-materjal","9":"tag-tulevikuenergia","10":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/22516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22516"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/22516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/media\/22517"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}