{"id":17786,"date":"2014-05-26T05:02:55","date_gmt":"2014-05-25T21:02:55","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=17786"},"modified":"2017-07-27T09:50:53","modified_gmt":"2017-07-27T01:50:53","slug":"%e3%80%90%e8%83%bd%e6%ba%90%e6%9d%90%e6%96%99%e3%80%91%e7%82%ba%e5%a4%aa%e9%99%bd%e8%83%bd%e9%9b%bb%e6%b1%a0%e8%a3%bd%e9%80%a0%e4%b8%80%e5%80%8b%e5%b0%88%e5%b1%ac%e7%9a%84%e5%a4%aa%e9%99%bd","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=17786","title":{"rendered":"\u3010\u80fd\u6e90\u6750\u6599\u3011\u70ba\u592a\u967d\u80fd\u96fb\u6c60\u88fd\u9020\u4e00\u500b\u5c08\u5c6c\u7684\u592a\u967d"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u4f4d\u65bc\u9ebb\u7701\u7406\u5de5\u5b78\u9662\u6a5f\u68b0\u7cfb\u7684\u5143\u4ef6\u7814\u7a76\u5be6\u9a57\u5ba4\u7814\u767c\u51fa\u4e00\u7a2e\u7279\u6b8a\u7d50\u69cb\u80fd\u5c07\u5177\u5404\u7a2e\u80fd\u91cf\u5149\u5b50\u7684\u592a\u967d\u5149\u90fd\u8f49\u8b8a\u6210\u80fd\u91cf\u5927\u7d04\u7b49\u65bc\u534a\u5c0e\u9ad4\u80fd\u9699\u7684\u96fb\u78c1\u6ce2\uff0c\u4ee5\u63d0\u5347\u592a\u967d\u80fd\u96fb\u6c60\u7684\u6548\u7387\u3002\u9019\u500b\u7cfb\u7d71\u7a31\u70ba\u592a\u967d\u80fd\u71b1\u5149\u96fb\u96fb\u6c60\uff0c\u5305\u542b\u4e09\u90e8\u5206\uff1a\u5438\u6536\u5c64\u3001\u767c\u5c04\u5c64\u53ca\u592a\u967d\u80fd\u96fb\u6c60\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_17787\" aria-describedby=\"caption-attachment-17787\" style=\"width: 400px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/00.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-17787\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/00.jpg\" alt=\"00\" width=\"400\" height=\"244\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/00.jpg 550w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/00-300x182.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-17787\" class=\"wp-caption-text\">\u5716\u7247\u4f86\u6e90\uff5cwww.rakuten.com.tw<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n<p>\u5229\u7528\u592a\u967d\u80fd\u767c\u96fb\u4e0d\u662f\u4ec0\u9ebc\u65b0\u9bae\u4e8b\uff0c\u592a\u967d\u63d0\u4f9b\u80fd\u91cf\u9060\u5927\u65bc\u4efb\u4f55\u5730\u7403\u4e0a\u6240\u860a\u542b\u7684\u80fd\u91cf\uff0c\u4f46\u7121\u8ad6\u6211\u5011\u7684\u88fd\u9020\u6280\u8853\u5982\u4f55\u9032\u6b65\uff0c\u5728\u7406\u8ad6\u4e0a\u6211\u5011\u90fd\u4e0d\u53ef\u80fd\u627e\u5230\u4e00\u500b\u6750\u6599\u80fd\u5920\u5b8c\u5168\u5c07\u592a\u967d\u5149\u63d0\u4f9b\u7684\u80fd\u91cf\u8f49\u63db\u6210\u96fb\u80fd\u3002\u9019\u662f\u56e0\u70ba\u592a\u967d\u80fd\u96fb\u6c60\u4e3b\u8981\u662f\u5229\u7528\u534a\u5c0e\u9ad4\u5177\u6709\u80fd\u9699(band gap)\u7684\u7279\u6027\u4f86\u767c\u96fb\uff0c\u592a\u967d\u80fd\u96fb\u6c60\u767c\u96fb\u7684\u57fa\u672c\u6a5f\u5236\u662f\u5149\u5b50\u88ab\u6750\u6599\u5438\u6536\u5f8c\u7522\u751f\u5177\u76f8\u540c\u80fd\u91cf\u7684\u96fb\u5b50\u96fb\u6d1e\u5c0d(electron-hole pair)\uff0c\u7576\u5149\u5b50\u80fd\u91cf\u5927\u65bc\u80fd\u9699\u4e14\u88ab\u5438\u6536\u6642\uff0c\u7522\u751f\u7684\u96fb\u5b50\u96fb\u6d1e\u5c0d\u4fbf\u662f\u96fb\u6d41\u7684\u4f86\u6e90\u3002\u56e0\u6b64\u82e5\u662f\u5149\u5b50\u80fd\u91cf\u5c0f\u65bc\u80fd\u9699\uff0c\u5247\u9019\u500b\u5149\u5b50\u4fbf\u7121\u6cd5\u88ab\u5438\u6536\u4e26\u8f49\u6210\u96fb\u6d41\uff1b\u4f46\u82e5\u662f\u5149\u5b50\u7684\u80fd\u91cf\u5927\u65bc\u80fd\u9699\uff0c\u7e31\u7136\u7522\u751f\u96fb\u5b50\u96fb\u6d1e\u5c0d\u7684\u80fd\u91cf\u6bd4\u80fd\u9699\u5927\uff0c\u96fb\u5b50\u53ca\u96fb\u6d1e\u7684\u80fd\u91cf\u4e5f\u6703\u8fc5\u901f\u640d\u5931\uff0c\u76f4\u5230\u80fd\u91cf\u7b49\u65bc\u80fd\u9699\u70ba\u6b62\u3002<!--more--><\/p>\n<p>\u8209\u4f8b\u4f86\u8aaa\uff0c\u6700\u5e38\u7528\u65bc\u88fd\u4f5c\u592a\u967d\u80fd\u96fb\u6c60\u7684\u6750\u6599\uff0c\u77fd(Silicon)\uff0c\u80fd\u9699\u70ba1.12\u96fb\u5b50\u4f0f\u7279(eV)(\u7d04\u7b49\u540c\u65bc\u6ce2\u95771106\u5948\u7c73\u7684\u5149\u5b50\uff0c\u7d05\u5916\u5149)\uff0c\u56e0\u6b64\u5149\u5b50\u80fd\u91cf\u5c0f\u65bc1.12\u96fb\u5b50\u4f0f\u7279(\u610f\u5373\u6ce2\u9577\u5927\u65bc1106\u5948\u7c73\u7684\u5149\u5b50)\u4fbf\u7121\u6cd5\u88ab\u77fd\u5438\u6536\u8f49\u63db\u6210\u96fb\u80fd\uff1b\u4f46\u76f8\u53cd\u7684\u5047\u8a2d\u4e00\u500b\u5149\u5b50\u5177\u67092\u96fb\u5b50\u7279\u7684\u80fd\u91cf(\u6ce2\u9577\u7d04620\u5948\u7c73\u7684\u7d05\u5149)\uff0c\u77fd\u5728\u5438\u6536\u9019\u500b\u5149\u5b50\u5f8c\u537b\u9084\u662f\u53ea\u80fd\u7522\u51fa1.12\u96fb\u5b50\u4f0f\u7279\u7684\u80fd\u91cf\uff0c\u5269\u4e0b\u76840.88\u96fb\u5b50\u4f0f\u7279\u6703\u8f49\u63db\u6210\u71b1\u80fd\u800c\u640d\u5931\uff0c\u9019\u500b\u73fe\u8c61\u6703\u8b93\u592a\u967d\u80fd\u96fb\u6c60\u5148\u5929\u4e0a\u7121\u6cd5\u9054\u5230100%\u7684\u5149\u96fb\u8f49\u63db\u6548\u7387\uff0c\u6b64\u70ba\u8457\u540d\u7684\u856d\u57fa-\u594e\u4f0a\u745f\u6975\u9650(Shockley-Queisser limit)\uff0c\u6240\u4ee5\u592a\u967d\u5149\u5c0d\u6211\u5011\u4f86\u8aaa\u4e26\u975e\u4e00\u500b\u7406\u60f3\u7684\u80fd\u91cf\u4f86\u6e90\u3002<\/p>\n<p>\u4f4d\u65bc\u9ebb\u7701\u7406\u5de5\u5b78\u9662(Massachusetts Institute of Technology)\u6a5f\u68b0\u7cfb\u7684\u5143\u4ef6\u7814\u7a76\u5be6\u9a57\u5ba4(Device Research Laboratory)\u4fbf\u7814\u767c\u51fa\u4e00\u7a2e\u7279\u6b8a\u7d50\u69cb\u80fd\u5c07\u5177\u5404\u7a2e\u80fd\u91cf\u5149\u5b50\u7684\u592a\u967d\u5149\u90fd\u8f49\u8b8a\u6210\u80fd\u91cf\u5927\u7d04\u7b49\u65bc\u534a\u5c0e\u9ad4\u80fd\u9699\u7684\u96fb\u78c1\u6ce2\uff0c\u4ee5\u63d0\u5347\u592a\u967d\u80fd\u96fb\u6c60\u7684\u6548\u7387\uff0c\u6b64\u7814\u7a76\u6210\u679c\u520a\u8f09\u65bc\u81ea\u7136-\u5948\u7c73\u79d1\u6280\u671f\u520a(Nature Nanotechnology)\u3002\u9019\u500b\u7cfb\u7d71\u7a31\u70ba\u592a\u967d\u80fd\u71b1\u5149\u96fb\u96fb\u6c60(solar thermophotovoltaics (STPVs))\u5305\u542b\u4e09\u90e8\u5206\uff1a\u5438\u6536\u5c64(absorber)\u3001\u767c\u5c04\u5c64(emitter)\u53ca\u592a\u967d\u80fd\u96fb\u6c60\u3002<\/p>\n<p>\u5438\u6536\u5c64\u7531\u591a\u58c1\u5948\u7c73\u78b3\u7ba1(multiwalled carbon nanotubes)\u9663\u5217\u7d44\u6210\uff0c\u63a5\u8fd1\u7406\u60f3\u9ed1\u9ad4(blackbody)\u4e26\u80fd\u5438\u6536\u5927\u90e8\u5206\u7684\u592a\u967d\u5149\uff0c\u800c\u767c\u5c04\u5c64\u5247\u662f\u7531\u77fd\u53ca\u4e8c\u6c27\u5316\u77fd\u7684\u4e00\u7dad\u5149\u5b50\u6676\u9ad4\u7d44\u6210(1-D photonic crystal)\u3002\u5438\u6536\u5c64\u5728\u5438\u6536\u592a\u967d\u5149\u5149\u5b50\u4e4b\u5f8c\u6eab\u5ea6\u4e0a\u5347\uff0c\u6eab\u5ea6\u4e0a\u5347\u7522\u751f\u7684\u71b1\u80fd\u6703\u50b3\u905e\u5230\u653e\u5c04\u5c64\uff0c\u653e\u5c04\u5c64\u4fbf\u518d\u5229\u7528\u71b1\u8f3b\u5c04(thermal radiation)\u653e\u51fa\u7279\u5b9a\u7bc4\u570d\u80fd\u91cf\u7684\u96fb\u78c1\u6ce2\u8b93\u592a\u967d\u80fd\u96fb\u6c60\u5438\u6536\u3002<\/p>\n<figure id=\"attachment_17790\" aria-describedby=\"caption-attachment-17790\" style=\"width: 400px\" class=\"wp-caption alignright\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/sun.png\"><img decoding=\"async\" class=\"wp-image-17790\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/sun.png\" alt=\"sun\" width=\"400\" height=\"266\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/sun.png 542w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/sun-300x199.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-17790\" class=\"wp-caption-text\">a.\u4e00\u822c\u592a\u967d\u80fd\u96fb\u6c60\u8207 b.\u592a\u967d\u80fd\u71b1\u5149\u96fb\u96fb\u6c60\u793a\u610f\u5716<\/figcaption><\/figure>\n<p>\u9019\u500b\u5718\u968a\u8a2d\u8a08\u7684\u7d50\u69cb\u4e3b\u8981\u91dd\u5c0d\u92bb\u7837\u5316\u92a6\u93b5(InGaAsSb)\u70ba\u4e3b\u8981\u5438\u6536\u5c64\u7684\u592a\u967d\u80fd\u96fb\u6c60(\u92bb\u7837\u5316\u92a6\u93b5\u7684\u80fd\u9699\u70ba0.55\u96fb\u5b50\u4f0f\u7279)\u3002\u85c9\u7531\u8a2d\u8a08\u77fd\u53ca\u4e8c\u6c27\u5316\u77fd\u7684\u4e00\u7dad\u5149\u5b50\u6676\u9ad4\u7684\u539a\u5ea6\uff0c\u4fbf\u53ef\u4f7f\u653e\u5c04\u5c64\u6240\u653e\u51fa\u7684\u96fb\u78c1\u6ce2\u80fd\u91cf\u7b26\u5408\u92bb\u7837\u5316\u92a6\u93b5\u6240\u9700\u7684\u5438\u6536\u80fd\u91cf\uff0c\u85c9\u6b64\u6e1b\u5c11\u56e0\u70ba\u5149\u5b50\u80fd\u91cf\u5927\u65bc\u80fd\u9699\u800c\u9020\u6210\u7684\u640d\u5931\u3002<\/p>\n<p>\u4f46\u9019\u6a23\u7684\u8a2d\u8a08\u4e5f\u6709\u5176\u9650\u5236\uff0c\u4e00\u662f\u8010\u71b1\u6027\uff0c\u7531\u65bc\u5438\u6536\u5c64\u5438\u6536\u592a\u967d\u5149\u4e4b\u5f8c\u6eab\u5ea6\u6703\u4e0a\u5347\u81f31,300 K\uff0c\u56e0\u6b64\u5438\u6536\u5c64\u53ca\u653e\u5c04\u5c64\u90fd\u5fc5\u9808\u5177\u6709\u597d\u7684\u8010\u71b1\u6027\uff0c\u4ee5\u907f\u514d\u518d\u8f49\u63db\u80fd\u91cf\u7684\u6642\u5019\u5206\u89e3\uff1b\u4e8c\u662f\u70ba\u4e86\u907f\u514d\u71b1\u5728\u50b3\u905e\u7684\u904e\u7a0b\u4e2d\u640d\u5931\uff0c\u56e0\u6b64\u5438\u6536\u5c64\u3001\u653e\u5c04\u5c64\u8207\u592a\u967d\u80fd\u96fb\u6c60\u672c\u8eab\u5fc5\u9808\u88ab\u5305\u88dd\u5728\u771f\u7a7a\u74b0\u5883\u4e0b\uff0c\u56e0\u6b64\u589e\u52a0\u4e86\u88fd\u9020\u7684\u56f0\u96e3\u5ea6\u8207\u6210\u672c\u3002<\/p>\n<p>\u76ee\u524d\u9019\u500b\u7d50\u69cb\u5f97\u5230\u7684\u5149\u96fb\u8f49\u63db\u6548\u7387\u70ba3.2%\uff0c\u96d6\u7136\u9060\u4f4e\u65bc\u4e00\u822c\u5e02\u552e\u7684\u77fd\u592a\u967d\u80fd\u96fb\u6c60(18-20%)\uff0c\u4f46\u4e3b\u6301\u9019\u9805\u7814\u7a76\u7684\u9ebb\u7701\u7406\u5de5\u5b78\u9662\u5718\u968a\u4e5f\u6a02\u89c0\u7684\u9810\u4f30\u9019\u9805\u6280\u8853\u7684\u6548\u7387\u6709\u6a5f\u6703\u5728\u672a\u4f86\u8d85\u904e20%\uff0c\u800c\u7406\u8ad6\u8a08\u7b97\u66f4\u986f\u793a\u9019\u500b\u65b9\u6cd5\u5149\u96fb\u8f49\u63db\u6548\u7387\u7684\u6975\u9650\u5927\u7d04\u662f85%\uff0c\u6216\u8a31\u5728\u4e0d\u4e45\u7684\u5c07\u4f86\u592a\u967d\u80fd\u96fb\u6c60\u7684\u5149\u96fb\u8f49\u63db\u6548\u7387\u6703\u56e0\u70ba\u9019\u9805\u6280\u8853\u6709\u986f\u8457\u7684\u589e\u9577\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Reference<\/strong><br \/>\n1.Lenert, A. et al. <em>Nature Nanotech.<\/em> <strong>9<\/strong>, 126\u2013130 (2014).<br \/>\n2.Fan, S, <em>Nature Nanotech.<\/em> <strong>9<\/strong>, 92 (2014).<br \/>\n3.Shockley, W., Queisser, <em>J. J. Appl. Phys.<\/em> <strong>32<\/strong>, 510\u2013519 (1961).<\/p>\n<p><span style=\"color: #333399;\"><strong>\u8cac\u4efb\u7de8\u8f2f\uff1aKerina Huang<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u4f4d\u65bc\u9ebb\u7701\u7406\u5de5\u5b78\u9662\u6a5f\u68b0\u7cfb\u7684\u5143\u4ef6\u7814\u7a76\u5be6\u9a57\u5ba4<\/p>\n","protected":false},"author":20,"featured_media":17787,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1023,3293],"tags":[1269,429,1096],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2014\/05\/00.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17786"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17786"}],"version-history":[{"count":10,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17786\/revisions"}],"predecessor-version":[{"id":28829,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17786\/revisions\/28829"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/17787"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}