{"id":23459,"date":"2016-07-02T08:00:48","date_gmt":"2016-07-02T00:00:48","guid":{"rendered":"\/\/m.iemloyee.com\/?p=23459"},"modified":"2016-07-02T12:04:20","modified_gmt":"2016-07-02T04:04:20","slug":"%e5%ad%a6%e6%9c%af%e5%b9%b2%e8%b4%a7-%e6%98%8e%e6%98%9f%e9%87%8f%e5%ad%90%e7%82%b9%e7%9a%84%e5%90%88%e6%88%90%e5%8f%8a%e7%bb%8f%e5%85%b8%e6%96%87%e7%8c%ae%e8%a7%a3%e8%af%bb","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=23459","title":{"rendered":"\u5b66\u672f\u5e72\u8d27 | \u201c\u660e\u661f\u201d\u91cf\u5b50\u70b9\u7684\u5408\u6210\u53ca\u7ecf\u5178\u6587\u732e\u63a8\u8350\u4e0e\u89e3\u8bfb(\u4e0a)"},"content":{"rendered":"
\u56fe\u7247\u6765\u81ea\u53c2\u8003\u6587\u732e1<\/sup><\/a><\/p>\n 1 Why\u91cf\u5b50\u70b9\uff1f<\/strong><\/p>\n \u8fd1\u5e74\u6765\uff0c\u4f4e\u7ef4\u7eb3\u7c73\u6750\u6599\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\uff0c\u5176\u4e2d\u4f5c\u4e3a\u201c\u7f51\u7ea2\u201d\u7684\u96f6\u7ef4\u6750\u6599–\u91cf\u5b50\u70b9\u5c24\u5176\u706b\u7206\u3002\u901a\u4fd7\u5730\u8bf4\uff0c\u91cf\u5b50\u70b9(Quantum Dots\uff0cQDs)\u662f\u4e09\u7ef4\u65b9\u5411\u90fd\u5904\u4e8e\u91cf\u5b50\u5c3a\u5bf8\u7684\u7eb3\u7c73\u9897\u7c92(\u5c0f\u7f16\u53ea\u60f3\u7b80\u5355\u4ea4\u4ee3\u4e0b\u6982\u5ff5\uff0c\u6b22\u8fce\u5e7f\u5927\u540c\u884c\u6279\u8bc4\u6307\u6b63)\u3002\u4e0e\u5177\u6709\u8f83\u5927\u5c3a\u5bf8\u7684\u4f53\u76f8\u6750\u6599\u4e0d\u540c\uff0c\u5f53\u6750\u6599\u7684\u5c3a\u5bf8\u5c0f\u4e8e\u6fc0\u5b50\u6ce2\u5c14\u534a\u5f84aB<\/sub>\u65f6\uff0c\u5176\u8fde\u7eed\u7684\u80fd\u7ea7\u5c06\u53d8\u5f97\u79bb\u6563\uff0c\u5e76\u4e14\u51fa\u73b0band gap\u53d8\u5bbd\u7684\u73b0\u8c61\uff0c\u8fd9\u5c31\u662f\u91cf\u5b50\u5c3a\u5bf8\u6548\u5e94\u3002<\/p>\n \u540c\u65f6\uff0c\u91cf\u5b50\u5c3a\u5bf8\u8fd8\u4f1a\u5c06\u7535\u5b50\u7684\u8fd0\u52a8\u9650\u5236\u5728\u5f88\u5c0f\u7684\u8303\u56f4(QDs\u7684\u5c3a\u5bf8\u5f88\u5c0f\uff0c\u5bf9\u7535\u5b50\u7684\u9650\u5236\u5f88\u5f3a)\uff0c\u8fd9\u6837\u5c31\u4f7f\u5f97\u7a7a\u7a74\u7ea6\u675f\u7535\u5b50\u5f62\u6210\u6fc0\u5b50(exiton)\u7684\u6982\u7387\u975e\u5e38\u9ad8\uff0c\u56e0\u6b64\u8fd9\u7c7b\u6750\u6599\u4e00\u65e6\u5438\u6536\u5149\u5c06\u4ea7\u751f\u76f8\u5f53\u9ad8\u6d53\u5ea6\u7684\u6fc0\u5b50\uff0c\u5e76\u4e14\u6fc0\u5b50\u53d7\u5230\u7684\u9650\u5236\u4f5c\u7528\u5f88\u5f3a\uff0c\u5373\u91cf\u5b50\u9650\u57df\u6548\u5e94\u975e\u5e38\u660e\u663e\u3002\u53d7\u63a7\u4e8e\u91cf\u5b50\u5c3a\u5bf8\u6548\u5e94\u548c\u91cf\u5b50\u9650\u57df\u6548\u5e94\uff0c\u91cf\u5b50\u70b9\u5177\u6709\u72ec\u7279\u7684\u6027\u8d28\uff0c\u5728\u5149\u7535(LED\u3001\u592a\u9633\u80fd\u7535\u6c60\u7b49\uff0c\u5177\u4f53\u5e94\u7528\u5982\u5f6d\u5f6d\u7b11\u521a\u6559\u6388\u7814\u53d1\u7684\u91cf\u5b50\u70b9\u7535\u89c6\u3001CIS\u91cf\u5b50\u70b9\u592a\u9633\u80fd\u7535\u6c60\u7b49)\u3001\u50ac\u5316\u7b49\u65b9\u9762\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u3002<\/p>\n TCL\u63a8\u51fa\u7684TV+\u91cf\u5b50\u70b9\u66f2\u9762\u7535\u89c6H8800S-CUD(\u56fe\u7247\u6765\u81eahttp:\/\/tech.huanqiu.com\/elec\/2015-04\/6131438.html<\/a>)<\/p>\n CIS\u592a\u9633\u80fd\u7535\u6c60\u7167\u7247\u548c\u7ed3\u6784\u793a\u610f\u56fe2<\/sup><\/a><\/p>\n 2 \u5408\u6210\u65b9\u6cd5 \u5728\u6b64\u4e4b\u524d\u5c0f\u7f16\u8fd8\u60f3\u5570\u55e6\u51e0\u53e5(\u5e73\u65f6\u4e60\u60ef\u4e86\uff0c\u8bf7\u591a\u591a\u5305\u6db5)\uff0c\u7531\u4e8e\u91cf\u5b50\u70b9\u7684\u79cd\u7c7b\u5f88\u591a\uff0c\u5e76\u4e14\u6587\u732e\u62a5\u9053\u7684\u5408\u6210\u65b9\u6cd5\u4e5f\u6709\u5f88\u591a\uff0c\u8fd9\u91cc\u4e0d\u53ef\u80fd\u4e00\u4e00\u8fdb\u884c\u4ecb\u7ecd\uff0c\u56e0\u6b64\u5c0f\u7f16\u6253\u7b97\u9009\u62e9\u91cf\u5b50\u70b9\u4e2d\u201c\u8d44\u5386\u6700\u8001\u201d\u7684\u2161-\u2165\u65cf\u548c\u2162-\u2164\u65cf\u548c\u53e6\u4e00\u4e9b\u786b\u5c5e\u5316\u5408\u7269\u534a\u5bfc\u4f53\u4f5c\u4e3a\u5bf9\u8c61\uff0c\u7c97\u7565\u5206\u4e3a\u4e09\u7c7b\u8fdb\u884c\u7b80\u5355\u4ecb\u7ecd\uff0c\u5373\u5fae\u4e73\u6cd5\u3001\u70ed\u5206\u89e3\u6cd5(\u5305\u62ec\u6700\u4e3a\u7ecf\u5178\u7684\u70ed\u6ce8\u5c04\u6cd5\u548c\u975e\u6ce8\u5c04\u7684\u65b9\u6cd5)\u548c\u6eb6\u5242\u70ed\/\u6c34\u70ed\u6cd5\uff0c\u4e3b\u8981\u901a\u8fc7\u539f\u7406\u4ecb\u7ecd\u548c\u6587\u732e\u5b9e\u4f8b\u5206\u6790\u76f8\u7ed3\u5408\u7684\u529e\u6cd5\uff0c\u8ba9\u8bfb\u8005\u5bf9\u8fd9\u4e9b\u65b9\u6cd5\u7684\u57fa\u672c\u539f\u7406\u548c\u5b9e\u9a8c\u64cd\u4f5c\u7b49\u6709\u4e2a\u7b80\u5355\u7684\u4e86\u89e3\u3002<\/p>\n 2.1 \u5fae\u4e73\u6cd5<\/p>\n 2.1.1 \u53cd\u76f8\u5fae\u4e73\u6cd5<\/p>\n \u53cd\u76f8\u5fae\u4e73\u6cd5\u662f\u5229\u7528\u53cd\u5411\u5fae\u4e73\u6db2\u4f5c\u4e3a\u201c\u5fae\u53cd\u5e94\u5668\u201d\u5408\u6210\u7eb3\u7c73\u7684\u65b9\u6cd5\uff0c\u6240\u8c13\u7684\u53cd\u5411\u5fae\u4e73\u6db2\u662f\u7531\u5927\u91cf\u7684\u6cb9\u76f8(\u5982\u5df1\u70f7)\u3001\u5c11\u91cf\u7684\u6c34\u76f8\u3001\u9002\u91cf\u7684\u8868\u9762\u6d3b\u6027\u5242(\u5982AOT)\u548c\u52a9\u8868\u9762\u6d3b\u6027\u5242(\u901a\u5e38\u662f\u4e2d\u7b49\u78b3\u94fe\u7684\u9187\uff0c\u4e3b\u8981\u8d77\u6539\u5584\u754c\u9762\u67d4\u6027\u7684\u4f5c\u7528\uff0c\u53cd\u5411\u5fae\u4e73\u6db2\u4f53\u7cfb\u4e2d\u53ef\u4ee5\u6709\u4e5f\u53ef\u4ee5\u6ca1\u6709\u52a9\u8868\u9762\u6d3b\u6027\u5242)\u7ec4\u6210\u7684\u70ed\u529b\u5b66\u7a33\u5b9a\u7684\u591a\u76f8\u4f53\u7cfb\u3002<\/p>\n \u5728\u8868\u9762\u6d3b\u6027\u5242\u7684\u4f5c\u7528\u4e0b\uff0c\u4f53\u7cfb\u4e2d\u5f62\u6210\u6cb9\u5305\u6c34(W\/O)\u7684\u201c\u5fae\u53cd\u5e94\u5668\u201d\uff0c\u6c34\u76f8\u4e2d\u662f\u524d\u9a71\u4f53\uff0c\u201c\u5fae\u53cd\u5e94\u5668\u201d\u7684\u5c3a\u5bf8\u5c31\u662f\u6700\u7ec8\u83b7\u5f97\u6750\u6599\u7684\u5c3a\u5bf8\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u901a\u8fc7\u8c03\u63a7\u5404\u76f8\u7684\u6bd4\u4f8b\u7b49\u53c2\u6570\u8c03\u8282\u201c\u5fae\u53cd\u5e94\u5668\u201d\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u5bf9\u6750\u6599\u7684\u5c3a\u5bf8\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n \u63cf\u8ff0\u4e86\u534a\u5929\u4f60\u53ef\u80fd\u8fd8\u662f\u6ca1\u6709\u591a\u5927\u611f\u89c9\uff0c\u6ca1\u5173\u7cfb\uff0c\u8ba9\u6211\u4eec\u4ee5A. P. Alivisatos(UC Berkeley\u6559\u6388\uff0c\u7eb3\u7c73\u754c\u5927\u725b\uff0c\u5f6d\u7b11\u521a\u6559\u6388\u5f53\u65f6\u7684\u5bfc\u5e08\uff0c\u73b0\u5728\u662fNano Letters\u7684\u4e3b\u7f16)\u8bfe\u9898\u7ec41992\u5e74\u7684\u4e00\u7bc7JACS\u4e3a\u4f8b\u5b50\u6765\u8bf4\u660e\u4e00\u4e0b\u8fd9\u79cd\u65b9\u6cd5<\/strong>3<\/sup><\/a>\u3002<\/p>\n \u53cd\u76f8\u5fae\u4e73\u6cd5\u5408\u6210CdS\u91cf\u5b50\u70b9\u7684\u64cd\u4f5c\u5982\u4e0b\uff1a\u9996\u5148\u5728\u4e24\u4e2a\u70e7\u676f\u4e2d(\u5047\u8bbe\u5206\u522b\u4e3aA\u3001B)\u90fd\u52a0\u5165500 mL\u5df1\u70f7(\u4f5c\u4e3a\u6cb9\u76f8\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u91cf\u662f\u5f88\u5927\u7684)\u548c44.4 g\u7425\u73c0\u8f9b\u916f\u78fa\u9178\u94a0(AOT\uff0c\u4f5c\u4e3a\u8868\u9762\u6d3b\u6027\u5242)\uff0c\u6405\u62cc\u6df7\u5408\u5747\u5300\u540e\uff0c\u5728A\u4e2d\u52a0\u516512 mL\u542b\u67092.34 g Cd(ClO4<\/sub>)2<\/sub>\u00b76H2<\/sub>O(\u4f5c\u4e3aCd\u6e90)\u7684\u6c34\u6eb6\u6db2(\u4f5c\u4e3a\u6c34\u76f8\uff0c\u53ef\u4ee5\u53d1\u73b0\u4e0e\u6cb9\u76f8\u76f8\u6bd4\uff0c\u6c34\u76f8\u7684\u91cf\u662f\u5f88\u5c11\u7684)\u5f62\u6210\u900f\u660e\u6f84\u6e05\u6db2\uff0c\u800c\u5728B\u4e2d\u52a0\u516512 mL\u542b\u67090.36 g Na2<\/sub>S\u00b79H2<\/sub>O(\u4f5c\u4e3aS\u6e90)\u7684\u6c34\u6eb6\u6db2(\u4f5c\u4e3a\u6c34\u76f8) \u5f62\u6210\u900f\u660e\u6f84\u6e05\u6db2\uff0c\u7136\u540e\u5c06A\u6db2\u52a0\u5165B\u6db2\uff0c\u8fd9\u65f6\u5c06\u53d1\u751fA\u6db2\u5fae\u4e73(\u542bCd\u6e90)\u548cB\u6db2\u5fae\u4e73(\u542bS\u6e90)\u7684\u78b0\u649e\u3001\u7269\u8d28\u4ea4\u6362\u7ee7\u800c\u53d1\u751f\u53cd\u5e94\uff0c\u4f53\u7cfb\u7531\u65e0\u8272\u53d8\u6210\u9ec4\u8272\uff0c\u8bf4\u660e\u5f62\u6210\u4e86CdS\u91cf\u5b50\u70b9\u3002\u7136\u800c\u540e\u7eed\u5904\u7406\u8fd8\u6bd4\u8f83\u9ebb\u70e6\uff0c\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u4ee5\u4e0b\u8f7d\u5168\u6587\u3002\u7136\u800c\u5408\u6210\u51fa\u6765\u7684\u91cf\u5b50\u70b9\u7684\u201c\u957f\u76f8\u201d\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n \u56fe1\u00a0 A. P. Alivisatos\u8bfe\u9898\u7ec4\u7528\u53cd\u76f8\u5fae\u4e73\u6cd5\u5408\u6210\u7684CdS\u91cf\u5b50\u70b9\u7684HRTEM\u56fe\u50cf3<\/sup><\/a><\/p>\n \u53cd\u76f8\u5fae\u4e73\u6cd5\u867d\u7136\u80fd\u591f\u5408\u6210\u4e00\u4e9b\u7eb3\u7c73\u5c3a\u5bf8\u7684\u6750\u6599\uff0c\u4f46\u7531\u4e8e\u524d\u9a71\u4f53\u5728\u6c34\u76f8\u4e2d\u7684\u76f4\u63a5\u53cd\u5e94\u76f8\u5bf9\u8f83\u5feb\uff0c\u5f88\u96be\u5bf9\u5c3a\u5bf8\u5747\u4e00\u6027\u8fdb\u884c\u63a7\u5236\uff0c\u5e76\u4e14\u4ea7\u7269\u7684\u6676\u5316\u7a0b\u5ea6\u5f80\u5f80\u4e0d\u9ad8\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u53cd\u5e94\u4f53\u7cfb\u4e2d\u6c34\u76f8\u662f\u5c11\u91cf\u7684\uff0c\u56e0\u6b64\u53cd\u76f8\u5fae\u4e73\u6cd5\u5f97\u5230\u7684\u4ea7\u7269\u91cf\u76f8\u5bf9\u8f83\u5c11\u3002\u8fd9\u7bc7\u6587\u732e\u6bd4\u8f83\u8001\u4e86\uff0c\u800c\u4e14\u8fd1\u5e74\u6765\u53cd\u76f8\u5fae\u4e73\u6cd5\u4e5f\u5f97\u5230\u4e86\u4e00\u4e9b\u53d1\u5c55\uff0c\u603b\u4f53\u6765\u8bf4\u4ea7\u7269\u7684\u53ef\u63a7\u6027\u6bd4\u4ee5\u524d\u6709\u6240\u63d0\u9ad8\u3002<\/p>\n 2.1.2 \u6b63\u76f8\u5fae\u4e73\u6cd5<\/p>\n \u4e0e\u53cd\u76f8\u5fae\u4e73\u6cd5\u7c7b\u4f3c\uff0c\u6b63\u76f8\u5fae\u4e73\u6cd5\u4e2d\u4e00\u822c\u4e5f\u5305\u542b\u6c34\u76f8\u3001\u6cb9\u76f8\u548c\u8868\u9762\u6d3b\u6027\u5242\uff0c\u4e0e\u53cd\u76f8\u5fae\u4e73\u6cd5\u4e0d\u540c\u7684\u662f\uff0c\u6b63\u76f8\u5fae\u4e73\u6cd5\u4e2d\u7684\u6c34\u76f8\u662f\u5927\u91cf\u7684\uff0c\u5f62\u6210\u7684\u662f\u6c34\u5305\u6cb9(O\/W)\uff0c\u5e76\u4e14\u53cd\u5e94\u5e38\u5e38\u53d1\u751f\u5728\u6cb9\u6c34\u754c\u9762\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u4e00\u822c\u7684\u65e0\u673a\u76d0\u524d\u9a71\u4f53\u5728\u6c34\u4e2d\u7684\u6eb6\u89e3\u5ea6\u90fd\u6bd4\u8f83\u9ad8\uff0c\u6240\u4ee5\u6b63\u76f8\u5fae\u4e73\u6cd5\u53ef\u4ee5\u83b7\u5f97\u8f83\u5927\u91cf\u7684\u4ea7\u7269\u3002<\/p>\n 2006\u5e74\uff0c\u674e\u4e9a\u680b\u8001\u5e08<\/strong>(\u6e05\u534e\u5927\u5b66\u6559\u6388\uff0c\u4e2d\u79d1\u9662\u9662\u58eb\uff0c\u65e0\u673a\u5408\u6210\u9886\u57df\u7edd\u5bf9\u7684\u5927\u725b\uff0c\u5c0f\u7f16\u65e0\u673a\u5408\u6210\u5165\u95e8\u5c31\u662f\u770b\u7684\u674e\u4e9a\u680b\u8001\u5e08\u7684\u6587\u732e\uff0c\u76f8\u5f53\u5389\u5bb3\uff0c\u6beb\u65e0\u7591\u95ee\uff0c\u5c0f\u7f16\u662f\u674e\u4e9a\u680b\u8001\u5e08\u7684\u8d85\u7ea7\u7c89\u4e1d\uff01)\u8bfe\u9898\u7ec4\u7528\u6b63\u76f8\u5fae\u4e73\u6cd5\u5408\u6210\u4e86\u4e00\u7cfb\u5217\u7684\u91cf\u5b50\u70b94<\/sup><\/a>\uff0c\u5176TEM\u56fe\u50cf\u89c1\u56fe2\uff0c\u5206\u522b\u662f\uff1a(b) Ag2<\/sub>S\u3001(c) PbS\u3001(d) CdS\u3001 (e)ZnS\u3001 (f) Ag2<\/sub>Se\u3001 (g) PbSe\u3002<\/p>\n \u5176\u673a\u7406\u89c12(a)(\u56fe\u4e2d\u4ee5BaCrO4<\/sub>\u4e3a\u4f8b\uff0c\u91cf\u5b50\u70b9\u7684\u5f62\u6210\u673a\u7406\u7c7b\u4f3c)\uff1a\u5728\u6c34-\u4e59\u9187-\u5df1\u70f7-\u4e9a\u6cb9\u9178(LA)-\u4e9a\u6cb9\u9178\u94a0\u6b63\u76f8\u5fae\u4e73\u4f53\u7cfb\u4e2d\uff0c\u91d1\u5c5e\u79bb\u5b50(Mn+<\/sup>)\u548cS2-<\/sup>\/SeO3-<\/sup>(S\/Se\u6e90)\u90fd\u662f\u6eb6\u89e3\u5728\u6c34\u76f8\u4e2d\u7684\uff0cLA\u548cLA–<\/sup>(\u7531LA\u6216NaLA\u7535\u79bb\u4ea7\u751f)\u5219\u503e\u5411\u4e8e\u5f85\u5728\u6cb9\u6c34\u754c\u9762\uff0cMn+<\/sup>\u4e0eLA–<\/sup>\u901a\u8fc7\u5e93\u4ed1\u5f15\u529b\u7ed3\u5408\u4e5f\u5c06\u4f4d\u4e8e\u6cb9\u6c34\u754c\u9762\uff0c\u7136\u540e\u901a\u8fc7Mn+<\/sup>\u548cS2-<\/sup>\/SeO3-<\/sup>\u4e4b\u95f4\u7684\u53cd\u5e94\u5728\u754c\u9762\u4e0a\u751f\u6210\u91cf\u5b50\u70b9\uff0c\u7531\u4e8e\u5728\u754c\u9762\u4e0a\u751f\u6210\u7684\u91cf\u5b50\u70b9\u8868\u9762\u5438\u9644\u4e86\u8868\u9762\u6d3b\u6027\u5242\uff0c\u4f7f\u5f97\u5176\u5bb9\u6613\u5411\u6cb9\u76f8\u5185\u6838\u8f6c\u79fb\uff0c\u8fd9\u79cd\u76f8\u5206\u79bb\u7684\u53d1\u751f\u53c8\u201c\u91ca\u653e\u201d\u4e86\u8868\u9762\u6d3b\u6027\u5242\uff0c\u901a\u8fc7\u8fd9\u79cd\u754c\u9762\u53cd\u5e94\u5faa\u73af\u6700\u7ec8\u83b7\u5f97\u65e0\u5b9a\u5f62\u6001\u7684\u7eb3\u7c73\u9897\u7c92\uff0c\u8fd8\u8981\u8fdb\u4e00\u6b65\u52a0\u70ed\u624d\u80fd\u5f97\u5230\u7ed3\u6676\u8f83\u597d\u7684\u91cf\u5b50\u70b9\u3002<\/p>\n \u56fe2\u00a0 (a)\u6b63\u76f8\u5fae\u4e73\u6cd5\u5408\u6210\u91cf\u5b50\u70b9\u7684\u673a\u7406\u793a\u610f\u56fe\uff1b(b-g)\u6b63\u76f8\u5fae\u4e73\u6cd5\u5408\u6210\u91cf\u5b50\u70b9\u7684TEM\u56fe\u50cf\uff1a(b) Ag2<\/sub>S\uff1b(c) PbS\uff1b(d) CdS\uff1b(e)ZnS\uff1b(f) Ag2<\/sub>Se\uff1b (g) PbSe\u30024<\/sup><\/a><\/p>\n \u603b\u7684\u8bf4\u6765\uff0c\u867d\u7136\u8868\u9762\u4e0a\u770b\u8d77\u6765\u6b63\u76f8\u5fae\u4e73\u6cd5\u548c\u53cd\u76f8\u5fae\u4e73\u6cd5\u7684\u64cd\u4f5c\u662f\u201c\u7c7b\u4f3c\u201d\u7684\uff0c\u7136\u800c\u53cd\u5e94\u673a\u7406\u5374\u4e0d\u540c\u3002\u53e6\u5916\uff0c\u6b63\u76f8\u5fae\u4e73\u6cd5\u53ea\u80fd\u83b7\u5f97\u65e0\u5b9a\u5f62\u6001\u6216\u7ed3\u6676\u6027\u8f83\u5dee\u7684\u7eb3\u7c73\u9897\u7c92\uff0c\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u70ed\u5904\u7406\u624d\u80fd\u83b7\u5f97\u9ad8\u7ed3\u6676\u5ea6\u4ea7\u7269\uff0c\u8fd9\u4f3c\u4e4e\u610f\u5473\u7740\u64cd\u4f5c\u7a0b\u5e8f\u5e76\u4e0d\u7b97\u7b80\u5355\uff0c\u800c\u4e14\u76f8\u5bf9\u6765\u8bf4\u633a\u8017\u65f6\u3002\u65e0\u8bba\u5982\u4f55\uff0c\u6b63\u76f8\u5fae\u4e73\u6cd5\u4e3a\u754c\u9762\u53cd\u5e94\u63a7\u5236\u91cf\u5b50\u70b9\u7684\u5408\u6210\u63d0\u4f9b\u4e86\u5f88\u597d\u7684\u601d\u8def\u3002<\/p>\n 2.2 \u70ed\u5206\u89e3\u6cd5<\/strong><\/p>\n \u70ed\u5206\u89e3\u6cd5\u5b9e\u9645\u4e0a\u662f\u5728\u9ad8\u6cb8\u70b9\u6eb6\u5242\u4e2d\u4e00\u5b9a\u6e29\u5ea6\u4e0b\u901a\u8fc7\u53cd\u5e94\u7269\u7684\u5206\u89e3\u800c\u6210\u6838\u3001\u751f\u957f\u4ece\u800c\u5408\u6210\u7eb3\u7c73\u6676\u7684\u65b9\u6cd5\uff0c\u5728\u8fd9\u91cc\u5c0f\u7f16\u7b80\u5355\u5730\u5c06\u5176\u5206\u4e3a\u70ed\u6ce8\u5c04\u548c\u975e\u6ce8\u5c04\u4e24\u7c7b\u65b9\u6cd5\u6765\u8ba8\u8bba\uff0c\u6709\u7684\u5730\u65b9\u4e5f\u53eb\u4f5c\u9ad8\u6cb8\u70b9\u6eb6\u5242\u8f85\u52a9\u5408\u6210\uff0c\u5f53\u7136\u53eb\u4ec0\u4e48\u540d\u5b57\u5176\u5b9e\u5e76\u6ca1\u6709\u90a3\u4e48\u91cd\u8981\uff0c\u91cd\u8981\u7684\u662f\uff0c\u8fd9\u7c7b\u65b9\u6cd5\u7684\u786e\u662f\u76ee\u524d\u4e3a\u6b62\u5408\u6210\u91cf\u5b50\u70b9\u6700\u6210\u529f\u3001\u7406\u8bba\u6027\u6700\u5f3a\u3001\u6700\u4e3a\u5178\u578b\u3001\u8c03\u63a7\u6700\u7cbe\u7ec6\u5e76\u4e14\u5f97\u5230\u91cf\u5b50\u70b9\u201c\u8d28\u91cf\u201d\u6700\u9ad8\u7684\u4e00\u7c7b\u65b9\u6cd5(\u5f53\u7136\u79cd\u8bc4\u4ef7\u5305\u542b\u4e86\u4e00\u4e9b\u6bd4\u8f83\u516c\u8ba4\u7684\u770b\u6cd5\u548c\u5c0f\u7f16\u81ea\u5df1\u7684\u6d45\u89c1\uff0c\u5c0f\u7f16\u8fd9\u6837\u8bf4\u4e5f\u662f\u60f3\u5f3a\u8c03\uff0c\u8fd9\u786e\u5b9e\u662f\u4e00\u7c7b\u975e\u5e38\u91cd\u8981\u7684\u5408\u6210\u65b9\u6cd5)\uff0cA. P. Alivisatos\u8bfe\u9898\u7ec4\u3001\u5f6d\u7b11\u521a\u8001\u5e08\u8bfe\u9898\u7ec4\u7b49\u77e5\u540d\u7814\u7a76\u56e2\u961f\u5728\u8fd9\u65b9\u9762\u505a\u4e86\u5927\u91cf\u7684\u7814\u7a76\u5de5\u4f5c\uff0c\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u4ee5\u53c2\u8003\u76f8\u5173\u6587\u732e\u3002<\/p>\n 2.2.1 \u70ed\u6ce8\u5c04\u6cd5<\/strong><\/p>\n 1993\u5e74\uff0cBawendi \u8bfe\u9898\u7ec4\u9996\u6b21\u62a5\u9053\u4e86\u70ed\u6ce8\u5c04\u5408\u6210\u5355\u5206\u6563 CdSe\u91cf\u5b50\u70b9\u7684\u65b9\u6cd5\u3002\u4ee5\u4e8c\u7532\u57fa\u9549 (Me2<\/sub>Cd )\u4e3aCd \u6e90\uff0c\u4e09\u8f9b\u57fa\u81a6\u7852 (TOPSe)\u4e3aSe\u6e90\uff0c\u4e09\u8f9b\u57fa\u6c27\u81a6 (TOPO)\u4e3a\u6eb6\u5242\u548c\u8868\u9762\u6d3b\u6027\uff0c\u5728\u4e00\u5b9a\u6e29\u5ea6\u4e0b\uff0c\u5c06Me2<\/sub>Cd \u548cTOPSe\u6df7\u5408\u6db2\u5feb\u901f\u6ce8\u5c04\u5230TOPO\u4e2d\uff0c\u5f97\u5230\u4e86\u5c3a\u5bf8\u4e3a 1.5 -11.5 nm\u7684\u5355\u5206\u6563\u7ea4\u950c\u77ff\u76f8CdSe\u7403\u5f62\u91cf\u5b50\u70b9\uff0c\u5176\u7535\u955c\u56fe\u50cf\u5982\u4e0b\uff1a(\u5c3a\u5bf8\u5f88\u5747\u5300\u5427)<\/p>\n \u90a3\u4e48\u63a5\u4e0b\u6765\u95ee\u9898\u6765\u4e86\uff0c\u70ed\u6ce8\u5c04\u6cd5\u4e3a\u4ec0\u4e48\u80fd\u591f\u83b7\u5f97\u5982\u6b64\u201c\u9ad8\u8d28\u91cf\u201d\u7684\u91cf\u5b50\u70b9\u5462\uff1f\u6211\u4eec\u77e5\u9053\uff0c\u4f60\u8981\u901a\u8fc7\u5316\u5b66\u5408\u6210\u83b7\u5f97\u4e00\u79cd\u6676\u4f53\u6750\u6599\uff0c\u4e00\u822c\u6765\u8bf4\u5fc5\u987b\u7ecf\u5386\u6210\u6838\u548c\u751f\u957f\u4e24\u4e2a\u9636\u6bb5\uff0c\u5982\u679c\u80fd\u591f\u5c06\u6210\u6838\u548c\u751f\u957f\u8fd9\u4e24\u4e2a\u9636\u6bb5\u6709\u6548\u5730\u5206\u79bb\uff0c\u5373\u9996\u5148\u8ba9\u6240\u6709\u7684\u524d\u9a71\u4f53\u7ecf\u8fc7\u4e00\u7cfb\u5217\u53d8\u5316\u8fc7\u540e\u90fd\u51e0\u4e4e\u540c\u65f6\u6210\u6838\uff0c\u6210\u6838\u5b8c\u6210\u8fc7\u540e\uff0c\u63a5\u7740\u8fdb\u884c\u540c\u6b65\u751f\u957f\uff0c\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u83b7\u5f97\u5c3a\u5bf8\u5747\u5300\u7684\u91cf\u5b50\u70b9\u3002\u5176\u5b9e\u7c7b\u6bd4\u4e00\u4e0b\u591a\u80de\u80ce\u7684\u6210\u957f\u5386\u7a0b\uff0c\u4f60\u5c31\u4f1a\u53d1\u73b0\u4e24\u8005\u7684\u5171\u540c\u4e4b\u5904\u3002<\/p>\n \u6240\u4ee5\u4f60\u770b\uff0c\u70ed\u6ce8\u5c04\u6cd5\u5927\u6982\u53ef\u4ee5\u8fd9\u6837\u6765\u770b\uff1a\u5728200\u591a\u6444\u6c0f\u5ea6\u4e0b\uff0c\u5411TOPO\u4e2d\u5feb\u901f\u6ce8\u5c04Me2<\/sub>Cd \u548cTOPSe\u540e\uff0c\u6eb6\u6db2\u4e2d\u5355\u4f53\u7684\u6d53\u5ea6\u5f88\u9ad8(\u8fc7\u9971\u548c\u5ea6\u5f88\u9ad8)\uff0c\u53cd\u5e94\u6d3b\u6027\u5f88\u9ad8\u7684\u524d\u9a71\u4f53\u77ac\u95f4\u53d1\u751f\u5316\u5b66\u53cd\u5e94\uff0c\u7ed3\u679c\u5c31\u662f\u201c\u7206\u53d1\u6027\u201d\u6210\u6838(\u51e0\u4e4e\u540c\u65f6\u6210\u6838)\uff0c\u7136\u540e\u5355\u4f53\u6d53\u5ea6\u964d\u4e0b\u6765\uff0c\u8fd9\u65f6\u4e0d\u80fd\u518d\u53d1\u751f\u6210\u6838\u4e86(\u5b9e\u9645\u4e0a\u6210\u6838\u9700\u8981\u9ad8\u7684\u5355\u4f53\u6d53\u5ea6\uff0c\u4ee5\u540e\u6709\u673a\u4f1a\u7684\u8bdd\uff0c\u5c0f\u7f16\u8fd8\u4f1a\u9488\u5bf9\u8fd9\u4e00\u8fc7\u7a0b\u505a\u8be6\u7ec6\u8bf4\u660e)\uff0c\u800c\u6eb6\u6db2\u8fd8\u5177\u6709\u4e00\u5b9a\u7684\u8fc7\u9971\u548c\u5ea6(\u8fc7\u9971\u548c\u5ea6\u57281\u4ee5\u4e0a)\uff0c\u6676\u6838\u751f\u957f\uff0c\u6700\u7ec8\u5f62\u6210\u201c\u9ad8\u8d28\u91cf\u201d\u7684\u91cf\u5b50\u70b9\u3002\u5176\u8fc7\u7a0b\u5927\u81f4\u53ef\u4ee5\u7528\u8457\u540d\u7684LaMer\u6210\u6838-\u751f\u957f\u6a21\u578b(1950JACS)\u63cf\u8ff0\u30025<\/sup><\/a><\/p>\n \u5c0f\u7f16\u5728\u8fd9\u91cc\u60f3\u5f3a\u8c03\u7684\u662f\uff0c\u5408\u6210\u5c3a\u5bf8\u5747\u5300\u7684\u91cf\u5b50\u70b9\u5bf9\u5176\u6027\u80fd\u5341\u5206\u91cd\u8981\u3002\u6211\u4eec\u5e38\u5e38\u8bf4\u7ed3\u6784\u51b3\u5b9a\u6027\u80fd\uff0c\u5176\u5b9e\u5728\u7eb3\u7c73\u5c3a\u5ea6\u65f6\uff0c\u4f3c\u4e4e\u5f62\u8c8c\u5f80\u5f80\u66f4\u52a0\u91cd\u8981\uff0c\u8fd9\u4e00\u70b9\u5e94\u8be5\u8bf4\u662f\u53ef\u4ee5\u9884\u89c1\u7684\uff0c\u4f60\u60f3\u554a\uff0c\u4f60\u7684\u6750\u6599\u957f\u5f97\u90fd\u5dee\u4e0d\u591a\uff0c\u8ba8\u8bba\u6027\u80fd\u7684\u65f6\u5019\u4f60\u624d\u6709\u53ef\u80fd\u77e5\u9053\u7a76\u7adf\u4ec0\u4e48\u662f\u4e3b\u8981\u5f71\u54cd\u56e0\u7d20\u554a\uff0c\u5982\u679c\u957f\u5f97\u5343\u5dee\u4e07\u522b\uff0c\u90a3\u7a76\u7adf\u662f\u8c01\u8d77\u4f5c\u7528\u5462\uff1f\u5bf9\u91cf\u5b50\u70b9\u800c\u8a00\uff0c\u5f62\u8c8c\u548c\u6027\u80fd\u7684\u5173\u7cfb\u5341\u5206\u7d27\u5bc6\uff0c\u5c24\u5176\u662f\u5176\u5149\u7535\u548c\u50ac\u5316\u6027\u80fd\uff0c\u5927\u91cf\u7814\u7a76\u5df2\u7ecf\u8bc1\u5b9e\u4e86\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/a><\/p>\n
<\/p>\n
<\/p>\n
\n<\/strong>
\n\u524d\u9762\u915d\u917f\u591f\u4e86\u6c14\u6c1b(\u641e\u79d1\u7814\u7684\u603b\u8981\u5c3d\u91cf\u628aintroduction\u5f04\u5f97\u9ad8\u5927\u4e0a\u70b9\u5427\u3002\u597d\u5427\uff0c\u5177\u6709\u6df1\u539a\u7684\u7406\u8bba\u5185\u6db5\u3001\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\uff0c\u5c24\u5176\u662f\u540e\u8005\uff0c\u4f60\u7684\u7814\u7a76\u624d\u7b97\u5f97\u4e0a\u662f\u4e00\u79cd\u597d\u7684\u7814\u7a76\u561b)\uff0c\u73b0\u5728\u5f00\u59cb\u5207\u5165\u6b63\u9898\u2014\u5408\u6210(synthesis)\u3002<\/p>\n<\/p>\n
<\/p>\n
<\/p>\n