{"id":21367,"date":"2015-05-20T00:21:07","date_gmt":"2015-05-19T16:21:07","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=21367"},"modified":"2018-08-01T15:41:37","modified_gmt":"2018-08-01T07:41:37","slug":"%e3%80%90%e6%9d%90%e6%96%99%e7%a7%91%e6%8a%80%e3%80%91%e4%ba%8c%e7%b6%ad%e6%9d%90%e6%96%99%e6%96%b0%e9%80%b2%e5%b1%95","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=21367","title":{"rendered":"\u3010\u6750\u6599\u79d1\u6280\u3011\u4e8c\u7dad\u6750\u6599\u65b0\u9032\u5c55"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u5982\u679c\u7ffb\u7ffb\u6700\u8fd1\u5e7e\u5e74\u6750\u6599\u79d1\u5b78\u76f8\u95dc\u671f\u520a\uff0c\u4f60\u6703\u767c\u73fe\u7814\u7a76\u77f3\u58a8\u70ef\u7684\u8ad6\u6587\u5be6\u5728\u662f\u591a\u5230\u4e0d\u53ef\u601d\u8b70\uff0c\u597d\u50cf\u6750\u6599\u79d1\u5b78\u8fd1\u4f86\u90fd\u4ee5\u77f3\u58a8\u70ef\u70ba\u4e2d\u5fc3\u4e00\u6a23\uff0c\u5230\u5e95\u77f3\u58a8\u70ef\u8ddf\u4e8c\u7dad\u6750\u6599\u6709\u4ec0\u9ebc\u795e\u5947\u4e4b\u8655\u5462\uff1f<\/strong><\/span><\/p>\n<figure id=\"attachment_21368\" aria-describedby=\"caption-attachment-21368\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/04\/46413131.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-21368\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/04\/46413131.jpg\" alt=\"\u5716\u7247\u51fa\u8655\uff1a\u5357\u4eac\u7406\u5de5\u5927\u5b78\uff0c\u5149\u96fb\u5b50\u8207\u7d0d\u7c73\u6750\u6599\u7814\u7a76\u6240\" width=\"300\" height=\"307\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/04\/46413131.jpg 445w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/04\/46413131-292x300.jpg 292w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-21368\" class=\"wp-caption-text\">\u5716\u7247\u51fa\u8655\uff1a\u5357\u4eac\u7406\u5de5\u5927\u5b78\uff0c\u5149\u96fb\u5b50\u8207\u7d0d\u7c73\u6750\u6599\u7814\u7a76\u6240<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n<p>\u81ea\u5f9e\u77f3\u58a8\u70ef(graphene)\u57282004\u5e74\u88ab\u88fd\u5099\u51fa\u4f86\u4e26\u57282010\u5e74\u7372\u5f97\u8afe\u8c9d\u723e\u734e\u4e4b\u5f8c\uff0c\u4e8c\u7dad\u6750\u6599\u5c31\u4e00\u8e8d\u6210\u70ba\u6750\u6599\u79d1\u5b78\u7814\u7a76\u7684\u986f\u5b78\u3002\u4e8c\u7dad\u6750\u6599\u4e2d\u77f3\u58a8\u70ef\u5c31\u662f\u78b3\u539f\u5b50\u4ee5sp2\u8ecc\u57df\u50cf\u8702\u5de2\u4e00\u822c\u516d\u89d2\u72c0\u9375\u7d50\uff0c\u5f62\u6210\u4e00\u55ae\u5c64\u5e73\u9762\u72c0\u7d50\u69cb\uff0c\u7c21\u55ae\u4f86\u8aaa\u5c31\u662f\u55ae\u5c64\u7684\u77f3\u58a8\u3002\u4e8c\u7dad\u6750\u6599\u5177\u6709\u975e\u5e38\u7279\u5225\u7684\u7269\u7406\u6027\u8cea\uff0c\u5728\u96fb\u5b50\u53ca\u5149\u5b78\u5143\u4ef6\u90fd\u6709\u6975\u9ad8\u7684\u61c9\u7528\u50f9\u503c\uff0c\u50cf\u77f3\u58a8\u70ef\u672c\u8eab\u5177\u6709\u9ad8\u5c0e\u96fb\u6027\u3001\u9ad8\u5c0e\u71b1\u6027\u53ca\u9ad8\u6a5f\u68b0\u5f37\u5ea6\u7b49\u7b49\uff0c\u9664\u4e86\u77f3\u58a8\u70ef\u4ee5\u5916\uff0c\u5305\u62ec\u50cf\u55ae\u5c64\u4e8c\u786b\u5316\u926c(MoS\u00ad<sub>2<\/sub>)\u3001\u4e8c\u7852\u5316\u926c(MoSe\u00ad<sub>2<\/sub>)\u90fd\u662f\u8fd1\u4f86\u5e38\u5728\u79d1\u5b78\u671f\u520a\u4e0a\u770b\u5230\u7814\u7a76\u5c0d\u8c61\uff0c\u4ed6\u5011\u56e0\u70ba\u5177\u6709\u534a\u5c0e\u9ad4\u7684\u6027\u8cea\uff0c\u56e0\u6b64\u5c07\u4e8c\u7dad\u6750\u6599\u61c9\u7528\u5728\u5149\u96fb\u5143\u4ef6\u4e0a\u4e5f\u5df2\u7d93\u662f\u79d1\u5b78\u754c\u7684\u5171\u8b58\u3002<\/p>\n<p>\u6240\u6709\u5149\u96fb\u5143\u4ef6\u8ddf\u9019\u4e9b\u5177\u6709\u534a\u5c0e\u9ad4\u6027\u8cea\u7684\u6750\u6599\u90fd\u8ddf\u80fd\u9699(Energy gap)\u812b\u4e0d\u4e86\u95dc\u4fc2\u3002\u5728\u534a\u5c0e\u9ad4\u7269\u7406\u4e2d\u80fd\u9699\u5c31\u662f\u50b3\u5c0e\u5e36(conduction band)\u8207\u50f9\u5e36(valence band)\u7684\u80fd\u91cf\u5dee\u7570\uff0c\u5176\u5927\u5c0f\u5c31\u76f4\u63a5\u8ddf\u534a\u5c0e\u9ad4\u6750\u6599\u5438\u6536\u8207\u653e\u5c04\u5149\u8b5c\u76f8\u95dc\uff0c\u4f8b\u5982\u77fd(Si)\u7684\u80fd\u9699\u70ba1.12eV\uff0c\u63db\u7b97\u6210\u5149\u6ce2\u9577\u5927\u7d04\u662f1100nm\u5de6\u53f3(\u53ef\u898b\u5149\u6ce2\u9577\u70ba400-800nm)\uff0c\u56e0\u6b64\u77fd\u4f5c\u70ba\u592a\u967d\u80fd\u96fb\u6c60\u5c31\u6709\u80fd\u529b\u5438\u6536\u53ef\u898b\u5149\u4e26\u8f49\u63db\u6210\u96fb\u80fd\u3002<!--more--><\/p>\n<p>\u9664\u4e86\u80fd\u9699\u7684\u5927\u5c0f\u4e4b\u5916\uff0c\u80fd\u9699\u53c8\u5206\u70ba\u76f4\u63a5\u80fd\u9699(direct band-gap)\u53ca\u9593\u63a5\u80fd\u9699(indirect band-gap)\uff0c\u9593\u63a5\u80fd\u9699\u7684\u6750\u6599\u901a\u5e38\u4e0d\u6703\u62ff\u4f86\u505a\u70ba\u767c\u5149\u5143\u4ef6(\u4f8b\u5982:LED\u6216\u534a\u5c0e\u9ad4\u96f7\u5c04)\uff0c\u6700\u6709\u540d\u7684\u9593\u63a5\u80fd\u9699\u6750\u6599\u4e5f\u662f\u77fd\uff0c\u56e0\u6b64\u96d6\u7136\u77fd\u662f\u534a\u5c0e\u9ad4\u754c\u7684\u9738\u4e3b\uff0c\u7a4d\u9ad4\u96fb\u8def\u8ddf\u4e3b\u6d41\u7684\u592a\u967d\u80fd\u96fb\u6c60\u90fd\u662f\u4ee5\u77fd\u70ba\u4e3b\uff0c\u4f46\u6240\u6709\u767c\u5149\u5143\u4ef6\u901a\u901a\u6c92\u6709\u77fd\u7684\u4efd\uff0c\u4f8b\u5982\u85cd\u5149LED\u7684\u6750\u6599\u662fGaN\uff0c\u534a\u5c0e\u9ad4\u96f7\u5c04\u7684\u6750\u6599\u662fInGaAsP\u3001AlGaInAs\u7b49\u7b49\u3002<\/p>\n<p>\u80fd\u9699\u7684\u5927\u5c0f\u8207\u7a2e\u985e\u662f\u79d1\u5b78\u5bb6\u975e\u5e38\u6709\u8208\u8da3\u7684\u8b70\u984c\uff0c\u80fd\u9699\u5927\u7684\u6750\u6599\u53ef\u4ee5\u9a45\u52d5\u6ce2\u9577\u8f03\u77ed\u7684\u5149\u96fb\u5143\u4ef6(\u6ce2\u9577\u77ed\u4ee3\u8868\u5149\u5b50\u80fd\u91cf\u9ad8)\uff0c\u4f46\u76ee\u524d\u4e8c\u7dad\u6750\u6599\u7684\u80fd\u9699\u90fd\u4e0d\u5927\uff0c\u7f3a\u4e4f\u9a45\u52d5\u85cd\u5149\u6216\u7d2b\u5916\u5149\u5149\u96fb\u5143\u4ef6\u7684\u80fd\u529b\u3002\u76ee\u524d\u5df2\u77e5\u7684\u4e8c\u7dad\u6750\u6599\u80fd\u9699\u6700\u5927\u7684\u53ea\u67092eV\uff0c\u9084\u4e0d\u8db3\u4ee5\u61c9\u7528\u5728\u85cd\u5149LED\u4e0a(\u85cd\u5149\u6ce2\u9577\u5927\u7d04\u5728470-500nm\u5de6\u53f3\uff0c\u63db\u7b97\u6210\u80fd\u9699\u80fd\u91cf\u70ba2.48eV\u52302.64eV)\uff0c\u56e0\u6b64\u4e8c\u7dad\u6750\u6599\u5728\u85cd\u5149\u767c\u5149\u6ce2\u6bb5\u7684\u5143\u4ef6\u6240\u626e\u6f14\u7684\u89d2\u8272\u76ee\u524d\u9084\u6c92\u6709\u500b\u8457\u843d\u3002<\/p>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u6700\u8fd1\u4f86\u81ea\u5357\u4eac\u7406\u5de5\u5927\u5b78\u7684\u66fe\u6d77\u6ce2\u6559\u6388\u4fbf\u7d93\u7531\u7406\u8ad6\u8a08\u7b97\u767c\u73fe\u7837(As)\u53ca\u92bb(Sb)\u9019\u5169\u7a2e\u5143\u7d20\u4ee5\u4e8c\u7dad\u55ae\u5c64\u539f\u5b50\u5b58\u5728\u6642\u80fd\u9699\u5206\u5225\u9ad8\u90542.49\u53ca2.28 eV\uff0c\u4e26\u4e14\u70ba\u9593\u63a5\u80fd\u9699\uff0c\u4f46\u7576\u5c0d\u9019\u5169\u500b\u6750\u6599\u65bd\u52a0\u5f62\u8b8a\u6642\uff0c\u4ed6\u5011\u4e5f\u53ef\u4ee5\u4ee5\u76f4\u63a5\u80fd\u9699\u5b58\u5728\u3002\u7837\u53ca\u92bb\u9019\u5169\u7a2e\u5143\u7d20\u4ee5\u4e09\u7dad\u7684\u5f62\u614b\u51fa\u73fe\u6642\u662f\u5177\u6709\u90e8\u5206\u91d1\u5c6c\u7279\u6027\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\u4ed6\u5011\u7684\u80fd\u9699\u975e\u5e38\u5c0f\uff0c\u6839\u64da\u66fe\u6d77\u6ce2\u6559\u6388\u7684\u8a08\u7b97\uff0c\u4e09\u5c64\u539f\u5b50\u5806\u758a\u800c\u6210\u7684\u7837\u53ca\u92bb\u80fd\u9699\u90fd\u662f0eV\uff0c\u4f46\u5f9e\u4e09\u5c64\u5230\u4e00\u5c64\u80fd\u9699\u537b\u80fd\u6709\u9019\u9ebc\u5927\u7684\u8b8a\u5316\uff0c\u8b93\u6211\u5011\u4e0d\u7981\u8b9a\u5606\u6750\u6599\u79d1\u5b78\u7684\u795e\u5947\u3002\u9019\u6a23\u7814\u7a76\u4e5f\u88ab\u767c\u8868\u57282015\u5e74\u300aAngewandte Chemie International Edition\u300b\u671f\u520a\u4e0a\uff0c\u4e26\u7372\u5f97Nanowerk\u7db2\u7ad9\u5831\u5c0e\u3002<\/p>\n<p>\u4f46\u7121\u8ad6\u7406\u8ad6\u9810\u6e2c\u518d\u600e\u9ebc\u5b8c\u6574\uff0c\u7121\u6cd5\u5be6\u969b\u628a\u6750\u6599\u88fd\u5099\u51fa\u4f86\u4e00\u5207\u90fd\u662f\u7a7a\u8ac7\uff0c\u66fe\u6d77\u6ce2\u6559\u6388\u8868\u793a\uff0c\u4ed6\u5011\u5728\u5be6\u9a57\u5ba4\u4e2d\u5df2\u7d93\u80fd\u505a\u51fa\u539a\u5ea6\u5c0f\u65bc10\u5948\u7c73\u7684\u7837\u53ca\u92bb\uff0c\u76ee\u524d\u6b63\u8a2d\u6cd5\u5c07\u9019\u4e9b\u6750\u6599\u6e1b\u8584\u5230\u53ea\u6709\u4e00\u5c64\u539f\u5b50\u3002\u503c\u5f97\u671f\u5f85\u55ce\uff1f\u544a\u8a34\u4f60\uff0c\u77f3\u58a8\u70ef\u65e9\u57281962\u5e74\u5c31\u5df2\u7d93\u6709\u4eba\u7528\u7406\u8ad6\u9810\u6e2c\u51fa\u4f86\u4e86\uff0c\u4f4640\u5e74\u5f8c\u624d\u771f\u6b63\u6709\u4eba\u80fd\u5920\u628a\u9019\u500b\u6750\u6599\u88fd\u5099\u51fa\u4f86\uff0c\u5e0c\u671b\u9019\u6b21\u6211\u5011\u4e0d\u7528\u518d\u7b4940\u5e74\u3002<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587\uff1a<\/strong><br \/>\nZhang, Shengli, et al. \"Atomically Thin Arsenene and Antimonene: Semimetal\u2013Semiconductor and Indirect\u2013Direct Band\u2010Gap Transitions.\"<em> Angewandte Chemie<\/em> (2015).<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><br \/>\n<a href=\"Novel%20mono-elemental semiconductors: arsenene and antimonene join 2D family\" target=\"_blank\" rel=\"noopener noreferrer\">Novel mono-elemental semiconductors: arsenene and antimonene join 2D family<\/a><\/p>\n<p><span style=\"color: #333399;\"><strong>--<\/strong><\/span><br style=\"color: #000000;\" \/><span style=\"color: #333399;\"><strong>\u4f5c\u8005\uff1a\u65b9\u7a0b\u6bc5 \u79d1\u6559\u4e2d\u5fc3\u7279\u7d04\u5beb\u624b\uff0c\u5f9e\u4e8b\u79d1\u666e\u6587\u7ae0\u5beb\u4f5c\u3002<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/line.me\/R\/ti\/p\/%40fcx6182w\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/zh-Hant.png\" alt=\"\u52a0\u5165\u597d\u53cb\" width=\"212\" height=\"36\" border=\"0\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u5982\u679c\u7ffb\u7ffb\u6700\u8fd1\u5e7e\u5e74\u6750\u6599\u79d1\u5b78\u76f8\u95dc\u671f\u520a\uff0c\u4f60\u6703<\/p>\n","protected":false},"author":20,"featured_media":21368,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1023,3293],"tags":[1837,1835,1045,504,119,1838],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/04\/46413131.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/21367"}],"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=21367"}],"version-history":[{"count":8,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/21367\/revisions"}],"predecessor-version":[{"id":32229,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/21367\/revisions\/32229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/21368"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}