{"id":181547,"date":"2019-07-28T06:30:39","date_gmt":"2019-07-27T22:30:39","guid":{"rendered":"\/\/m.iemloyee.com\/?p=181547"},"modified":"2019-07-27T22:28:04","modified_gmt":"2019-07-27T14:28:04","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e6%b9%96%e5%8d%97%e5%a4%a7%e5%ad%a6jacs-%e5%9e%82%e7%9b%b4%e5%8f%8c%e5%b1%82wo3%e2%88%92ws2%e5%bc%82%e8%b4%a8%e7%bb%93%e5%85%b7%e6%9c%89%e9%ab%98","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=181547","title":{"rendered":"\u6e56\u5357\u5927\u5b66JACS: \u5782\u76f4\u53cc\u5c42WO3\u2212WS2\u5f02\u8d28\u7ed3\u5177\u6709\u9ad8\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\uff08TMDCs\uff09\u7531\u4e8e\u5176\u72ec\u7279\u7684\u7269\u7406\u6027\u8d28\uff0c\u5728\u672a\u6765\u7684\u5149\u7535\u5b50\u5e94\u7528\u4e2d\u5177\u6709\u6781\u5927\u7684\u5e94\u7528\u524d\u666f\u3002\u4ece\u5757\u4f53\u5230\u5355\u5206\u5b50\u5c42\uff0cTMDCs\u5448\u73b0\u51fa\u95f4\u63a5-\u76f4\u63a5\u5e26\u9699\u7684\u8f6c\u53d8\uff0c\u5177\u6709\u6fc0\u5b50\u5149\u53d1\u5c04\u7684\u7684\u7279\u6027\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u7528\u4e8e\u5236\u4f5c\u5404\u79cd\u5149\u7535\u5668\u4ef6\u3002\u7136\u800c\uff0c\u4e0e\u4f20\u7edf\u534a\u5bfc\u4f53\u6750\u6599\u76f8\u6bd4\uff0c\u5355\u5c42TMDCs\u7531\u4e8e\u4e30\u5bcc\u7684\u7f3a\u9677\u4ee5\u53ca\u5f3a\u7684\u591a\u4f53\u6548\u5e94\uff0c\u5bfc\u81f4\u5176\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u6781\u4f4e\uff0c\u8fd9\u9650\u5236\u4e86\u5176\u8fdb\u4e00\u6b65\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u63d0\u9ad8\u5355\u5206\u5b50\u5c42TMDCs\u7684PLQY\u6210\u4e3a\u4e00\u4e2a\u6025\u9700\u89e3\u51b3\u7684\u91cd\u8981\u95ee\u9898\u3002\u5df2\u6709\u7684\u7814\u7a76\u8868\u660e\uff0c\u5316\u5b66\u5904\u7406\u3001\u6c27\u63ba\u6742\u548c\u9759\u7535\u63ba\u6742\u53ef\u4ee5\u63d0\u9ad8TMDCs\u5355\u5206\u5b50\u5c42\u7684PLQY\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u901a\u5e38\u8fc7\u7a0b\u590d\u6742\u3002\u6784\u5efa\u5f02\u8d28\u7ed3\u6784\u88ab\u8bc1\u660e\u662f\u4e00\u79cd\u6709\u6548\u6539\u5584\u7269\u7406\u6027\u80fd\u5e76\u80fd\u591f\u4fdd\u6301\u6bcf\u4e2a\u7ec4\u6210\u90e8\u5206\u56fa\u6709\u6027\u8d28\u7684\u6709\u6548\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u5177\u6709\u7279\u5b9a\u7ed3\u6784\u7684\u5f02\u8d28\u7ed3\u662f\u4e00\u79cd\u5b9e\u73b0\u9ad8PLQY\u7684\u6709\u6548\u65b9\u5f0f\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6e56\u5357\u5927\u5b66\u6f58\u5b89\u7ec3\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u8bfe\u9898\u7ec4\u901a\u8fc7\u76f4\u63a5\u7684\u7269\u7406\u6c14\u76f8\u6c89\u79ef\u6cd5\u83b7\u5f97\u4e86\u5177\u6709\u9ad8\u8367\u5149\u91cf\u5b50\u4ea7\u7387\u53cc\u5c42WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\uff0c\u901a\u8fc7\u5bf9\u6240\u5408\u6210\u7684WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u5149\u5b66\u7279\u6027\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u7ed3\u679c\u8868\u660e\uff0c\u6240\u5f97\u5230\u5f02\u8d28\u7ed3\u7684PLQY\u53ef\u4ee5\u8fbe\u523011.6%\uff0c\u6bd4\u76f8\u540c\u7684\u7269\u7406\u6c14\u76f8\u6c89\u79ef\u6cd5\uff08PVD-WS2<\/sub>\uff09\u751f\u957f\u7684\u5355\u5c42WS2<\/sub>\u9ad82\u4e2a\u6570\u91cf\u7ea7\u3001\u662f\u673a\u68b0\u5265\u79bb\u7684\u5355\u5c42WS2<\/sub>\uff08ME-WS2<\/sub>\uff09\u768413\u500d\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cWO3<\/sub>\u2212WS2<\/sub> Vertical Bilayer Heterostructures with High Photoluminescence Quantum Yield<\/strong>\u201d\u4e3a\u6807\u9898\u53d1\u8868\u4e8eJ. Am. Chem. Soc.<\/strong>\u671f\u520a\u4e0a\u3002
\n \u2003
\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u8868\u5f81<\/strong>
\n \"\"\uff08a\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u5408\u6210\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u4e09\u7ef4\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08c~d\uff09\u90e8\u5206\u8986\u76d6\uff08c\uff09\u548c\u5b8c\u5168\u8986\u76d6\uff08d\uff09\u7684WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u5149\u5b66\u7167\u7247\uff1b<\/p>\n

\uff08e~g\uff09\u90e8\u5206\u8986\u76d6\uff08e-f\uff09\u548c\u5b8c\u5168\u8986\u76d6\uff08g\uff09\u7684WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684AFM\u56fe\u50cf\u3002<\/p>\n

\u5229\u7528\u6539\u8fdb\u7684\u7269\u7406\u6c14\u76f8\u6c89\u79ef\u6cd5\uff0c\u5c06WO3<\/sub>\u7c89\u672b\u548cWS2<\/sub>\u7c89\u672b\u6df7\u5408\u4f5c\u4e3a\u53cd\u5e94\u6e90\uff0c\u7f6e\u4e8e\u9ad8\u6e29\u53cd\u5e94\u7089\u7684\u4e2d\u5fc3\u9ad8\u6e29\u533a\uff081100-1150\u2103\uff09\uff0c\u540c\u65f6\u5c06SiO2<\/sub>\/Si\u57fa\u7247\u4f5c\u4e3a\u886c\u5e95\u653e\u7f6e\u5728\u4e0b\u6e38\u4f4e\u6e29\u533a\uff08~700\u2103\uff09\u5408\u6210WO3<\/sub>\u2212WS2<\/sub>\u7eb5\u5411\u5f02\u8d28\u7ed3\u3002\u4f5c\u8005\u5f97\u5230\u4e86\u4e24\u79cd\u5178\u578b\u5f62\u8c8c\u7684WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\uff1a\u534a\u8986\u76d6\uff08Figure 1c\uff09\u4ee5\u53ca\u5168\u8986\u76d6\uff08Figure 1d\uff09\u3002\u539f\u5b50\u529b\u663e\u5fae\u955c\u539a\u5ea6\u8868\u5f81\u8868\u660e\uff0cWO3<\/sub>\u7684\u539a\u5ea6\u4e3a~0.8 nm\uff08Figure 1e,f\uff09\uff0c\u5168\u8986\u76d6WO3<\/sub>\u2212WS2<\/sub>\u7684\u539a\u5ea6\u4e3a~2.1 nm\uff08Figure 1g\uff09\u3002\u540c\u65f6\uff0c\u5728\u90e8\u5206\u534a\u8986\u76d6\u7684\u6837\u54c1\u4e2d\u95f4\uff0c\u80fd\u591f\u89c2\u6d4b\u5230\u660e\u663e\u7684WO3<\/sub>\u6210\u6838\u70b9\uff08Figure 1f\uff09\u3002
\n \u2003
\n \u56fe\u4e8c\u3001WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684TEM\u548cXPS\u8868\u5f81<\/strong>
\n \"\"\uff08a\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684TEM-EDX\u66f2\u7ebf\uff1b<\/p>\n

\uff08b~d\uff09WO3<\/sub>\u2212WS2<\/sub>\u548c\u7eafWS2<\/sub>\u7684XPS\u603b\u8c31\u3001W 5p\u3001W 4f\u4ee5\u53caS 2p\u8c31;<\/p>\n

\uff08e~f\uff09WS2<\/sub>\u5355\u5c42\u4ee5\u53caWO3<\/sub>\u6210\u6838\u70b9\u5904\u91c7\u96c6\u7684HRTEM\u56fe\u3002<\/p>\n

\u5229\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u5bf9\u6240\u5f97\u5230\u7684\u5f02\u8d28\u7ed3\u7684\u5316\u5b66\u7ec4\u6210\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u5176\u4e2d\uff0c\u4ee5\u7eaf\u7684WS2<\/sub>\u4f5c\u4e3a\u5bf9\u6bd4\u3002\u5982\u56fe\uff08Figure 2a\uff09\u6240\u793a\uff0c\u76f8\u6bd4\u4e8e\u7eaf\u7684WS2<\/sub>\u4e2d\u5f97\u5230\u7684TEM-EDX\u8c31\uff0c\u5728\u5f02\u8d28\u7ed3\u4e2d\u5f97\u5230\u7684EDX\u8c31\u4e2d\u89c2\u6d4b\u5230\u4e86\u66f4\u5f3a\u7684W\u53f7\uff0c\u4ee5\u53ca\u6c27\u7684\u4fe1\u53f7\uff0c\u5176HRTEM\u56fe\u7247\u76f8\u5e94\u7684\u663e\u793a\u4e86WO3<\/sub>\uff08\u6210\u6838\u4f4d\u70b9\uff09\u7684\u6676\u683c\u7ed3\u6784\uff0c\u8bc1\u660e\u4e86WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u7ed3\u6784\u3002XPS\u7528\u4e8e\u8868\u5f81\u5f02\u8d28\u7ed3\u7684\u5316\u5b66\u7ec4\u6210\u3002\u5982Figure 2c\u6240\u793a\uff0c\u5728WO3-WS2\u5f02\u8d28\u7ed3\u4e2d\u91c7\u96c6\u5230\u7684W\u7684\u5149\u7535\u5b50\u80fd\u8c31\u4e2d\u9664\u4e86\u5177\u6709W4+<\/sup>\u5bf9\u5e94\u7684W4+<\/sup>4f7\/2<\/sub>\uff0cW4+<\/sup>4f5\/2<\/sub>\u548cW4+<\/sup>5p5\/2<\/sub>\u4e4b\u5916\uff0c\u8fd8\u6709W6+<\/sup>\u5bf9\u5e94\u7684W6+<\/sup>4f7\/2<\/sub>\u548cW6+<\/sup>4f5\/2<\/sub>\uff0c\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86\u6240\u5408\u6210\u7684WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7684\u7ed3\u6784\u3002
\n \u2003
\n \u56fe\u4e09\u3001WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5149\u5b66\u6027\u8d28<\/strong>
\n \"\"\uff08a~c\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u3001PVD-WS2<\/sub>\u548cME-WS2\u7684\u5149\u5b66\u7167\u7247\uff1b<\/p>\n

\uff08d~f\uff09\u5177\u6709\u5f02\u8d28\u7ed3\u6784\u7684WO3<\/sub>\u2212WS2<\/sub>\u3001PVD-WS2\u548cME-WS2<\/sub>\u7684\u76f8\u5e94\u5149\u81f4\u53d1\u5149\u5f3a\u5ea6mapping\uff1b<\/p>\n

\uff08g\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u3001PVD-WS2<\/sub>\u548cME-WS2<\/sub>\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\uff1b<\/p>\n

\uff08h\uff09PLQY\u4e0eWO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u3001PVD-WS2<\/sub>\u548cME-WS2<\/sub>\u7684\u6cf5\u6d66\u529f\u7387\u5173\u7cfb\u56fe\u3002<\/p>\n

Figure 3a-c\u5206\u522b\u4e3aWO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\uff0cPVD-WS2<\/sub>\u4ee5\u53caME-WS2<\/sub>\u7684\u5149\u5b66\u7167\u7247\u3002\u5982\u56feFigure 3d-f PL mapping\u8868\u5f81\u6240\u793a\uff0c\u5f02\u8d28\u7ed3\u7684\u4e2d\u95f4\u88abWO3<\/sub>\u8986\u76d6\u7684\u90e8\u5206\u76f8\u5bf9\u4e8e\u5355\u5c42WS2<\/sub>\u5177\u6709\u660e\u663e\u7684PL\u589e\u5f3a\u73b0\u8c61\uff0cFigure 3e,f\u5206\u522b\u4e3aPVD-WS2<\/sub>\u4ee5\u53caME-WS2<\/sub>\u5728\u76f8\u540c\u6fc0\u53d1\u529f\u7387\u4e0b\u7684PL mapping\u3002Figure 3g\u7ed9\u51fa\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\u663e\u793a\uff0cWO3<\/sub>\u2212WS2<\/sub>\u7684PL\u53d1\u5149\u5f3a\u5ea6\u662fPVD-WS2<\/sub>\u7684116\u500d\uff0c\u662fME-WS2<\/sub>\u768413\u500d\u3002PLQY\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0cWO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684PLQY\u53ef\u4ee5\u8fbe\u523011.6%\uff0c\u4ee3\u8868\u4e86\u76f4\u63a5\u6c14\u76f8\u751f\u957f\u5f97\u5230\u7684TMDCs PLQY\u7684\u6700\u9ad8\u6c34\u5e73\u3002
\n \u2003
\n \u56fe\u56db\u3001WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u6784\u6761\u7eb9\u76f8\u673a\u5149\u8c31\u548cTRPL\u5149\u8c31<\/strong>
\n \"\"\uff08a~c\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u3001PVD-WS2<\/sub>\u548cME-WS2<\/sub>\u7684\u6761\u7eb9\u76f8\u673a\u5bff\u547d\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u3001PVD-WS2<\/sub>\u548cME-WS2<\/sub>\u7684TRPL\u5149\u8c31\u3002<\/p>\n

\u6761\u7eb9\u76f8\u673a\u5bf9WO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\uff0cPVD-WS2<\/sub>\u4ee5\u53caME-WS2<\/sub>\u7684\u6fc0\u5b50\u5bff\u547d\u5206\u6790\u63ed\u793a\u4e86\u5355\u5c42WO3<\/sub>\u5bf9WS2<\/sub>\u7684PLQY\u589e\u5f3a\u673a\u5236\u3002\u5982\u56feFigure 4d\u6240\u793a\uff0cWO3<\/sub>\u2212WS2<\/sub>\u5f02\u8d28\u7ed3\u7684\u8367\u5149\u5bff\u547d\u660e\u663e\u957f\u4e8eME-WS2<\/sub>\u4ee5\u53caPVD-WS2<\/sub>\u3002\u5229\u7528\u6fc0\u5b50\u5bff\u547d\u7684\u62df\u5408\u516c\u5f0f<\/p>\n

I(t)=A1<\/sub>exp\u2061(-t\/\u03c41<\/sub>)+A2<\/sub>exp\u2061(-t\/\u03c42<\/sub>)<\/p>\n

\u5206\u6790\u5f97\u5230\uff1a\u5728ME-WS2<\/sub>\u4e3b\u8981\u662f\u6fc0\u5b50\u53d1\u5149\uff0cPVD-WS2<\/sub>\u4e2d\u4e09\u6fc0\u5b50\u7684\u6bd4\u4f8b\u6700\u9ad8\uff0c\u4e3a~58.9%\uff0cWO3<\/sub>-WS2<\/sub>\u4e2d\u4e09\u6fc0\u5b50\u7684\u6bd4\u4f8b\u4e0b\u964d\u4e3a~12.6%\u3002\u8bc1\u660e\u4e86\u4e0a\u5c42WO3<\/sub>\u5438\u5f15N\u578bWS2<\/sub>\u4e2d\u591a\u4f59\u7684\u7535\u5b50\uff0c\u4f7f\u5f97\u975e\u8f90\u5c04\u590d\u5408\u4e3a\u4e3b\u7684\u4e09\u6fc0\u5b50\u6709\u6548\u7684\u8f6c\u5316\u4e3a\u6fc0\u5b50\uff0c\u4ece\u800c\u589e\u5f3aWS2<\/sub>\u7684\u5149\u81f4\u53d1\u5149\u4ee5\u53caPLQY\u7684\u673a\u5236\u3002
\n \u2003
\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u6210\u529f\u5730\u5236\u5907\u4e86\u4e86\u5177\u6709\u8d85\u9ad8PLQY\u7684\u53cc\u5c42WO3<\/sub>-WS2<\/sub>\u5f02\u8d28\u7ed3\u3002\u7ed3\u6784\u5206\u6790\u8868\u660e\uff0cWO3<\/sub>\u5355\u5206\u5b50\u5c42\u5747\u5300\u8986\u76d6\u5728\u5927\u5c3a\u5bf8WS2<\/sub>\u5355\u5206\u5b50\u5c42\u8868\u9762\u3002\u57fa\u4e8e\u5f02\u8d28\u7ed3\u7684PLQY\u9ad8\u8fbe\u7ea611.6%\uff0c\u4e0e\u7528\u76f8\u540c\u65b9\u6cd5\u5236\u5907\u7684WS2<\/sub>\u5355\u5206\u5b50\u5c42\u76f8\u6bd4\uff0cPLQY\u5f3a\u5ea6\u63d0\u9ad8\u4e86116\u500d\u3002\u540c\u65f6\uff0cTRPL\u6d4b\u91cf\u7ed3\u679c\u8868\u660e\uff0c\u8fd9\u79cd\u65b0\u578b\u7684\u5f02\u8d28\u7ed3\u6784WO3<\/sub>-WS2<\/sub>\u53ef\u4ee5\u6709\u6548\u5730\u8017\u5c3dWS2<\/sub>\u5c42\u4e2d\u591a\u4f59\u7684\u7535\u5b50\uff0c\u4ece\u800c\u5b9e\u73b0\u4e09\u6fc0\u5b50\u5230\u6fc0\u5b50\u7684\u8f6c\u53d8\uff0c\u6709\u6548\u7684\u63d0\u9ad8\u4e86WS2<\/sub>\u7684\u53d1\u5149\u548cPLQY\u3002\u4f5c\u8005\u8ba4\u4e3a\uff0c\u5176\u5927\u5c3a\u5bf8\u5f02\u8d28\u7ed3\u6784\u7684WO3<\/sub>-WS2<\/sub>\u5177\u6709\u8d85\u5f3a\u7684\u5149\u81f4\u53d1\u5149\u3001\u8f83\u957f\u7684PL\u5bff\u547d\u548c\u8f83\u9ad8\u7684PLQY\uff0c\u5728\u672a\u6765\u5149\u7535\u5b50\u9886\u57df\u5177\u6709\u826f\u597d\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aWO3<\/sub>\u2212WS2<\/sub> Vertical Bilayer Heterostructures with High Photoluminescence Quantum Yield<\/a> (J. Am. Chem. Soc.,<\/em> 2019,<\/strong> DOI:10.1021\/jacs.9b03453.)<\/p>\n

\u3010\u56e2\u961f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u6f58\u5b89\u7ec3\u9886\u5bfc\u7684\u56e2\u961f\u957f\u671f\u81f4\u529b\u4e8e\u4f4e\u7ef4\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ed3\u6784\u7684\u53ef\u63a7\u751f\u957f\uff0c\u5e76\u5b9e\u73b0\u5728\u7eb3\u7c73\u6fc0\u5149\u5668\uff0c\u5149\u6ce2\u5bfc\uff0c\u653e\u5927\u5668\uff0c\u8c03\u5236\u5668\u548c\u68c0\u6d4b\u5668\u7b49\u9ad8\u6027\u80fd\u96c6\u6210\u5149\u5b50\u5668\u4ef6\u4e0a\u7684\u5e94\u7528\uff0c\u6700\u7ec8\u76ee\u7684\u662f\u8981\u6784\u5efa\u96c6\u6210\u5149\u5b50\u7cfb\u7edf\uff0c\u5b9e\u73b0\u7247\u4e0a\u5149\u4e92\u8fde\u6280\u672f\u3002\u8fd1\u5e74\u6765\uff0c\u6f58\u5b89\u7ec3\u6559\u6388\u8bfe\u9898\u7ec4\u9488\u5bf9\u4f4e\u7ef4\u534a\u5bfc\u4f53\u6750\u6599\u80fd\u5e26\u8c03\u63a7\u548c\u65b0\u578b\u96c6\u6210\u5149\u5b50\u5668\u4ef6\u7684\u57fa\u672c\u79d1\u5b66\u95ee\u9898\u5f00\u5c55\u4e86\u7cfb\u7edf\u6df1\u5165\u7814\u7a76\uff0c\u53d1\u5c55\u4e86\u4e00\u5957\u53ef\u63a7\u5408\u6210\u534a\u5bfc\u4f53\u5f02\u8d28\u7eb3\u7c73\u7ed3\u6784\u7684\u666e\u9002\u65b9\u6cd5\uff0c\u5b9e\u73b0\u4e86\u591a\u79cd\u65b0\u578b\u534a\u5bfc\u4f53\u5f02\u8d28\u7ed3\u6784\u53ef\u63a7\u751f\u957f\u53ca\u5728\u5149\u4fe1\u606f\u5668\u4ef6\u4e0a\u7684\u5e94\u7528\uff0c\u7814\u7a76\u6210\u679c\u5f97\u5230 Science Daily\u7b49\u591a\u5bb6\u56fd\u9645\u5b66\u672f\u673a\u6784\u548c\u5a92\u4ecb\u7684\u9ad8\u5ea6\u8bc4\u4ef7\u3002\u76f8\u5173\u6210\u679c\u5df2\u5728 Nature Nanotechnology<\/strong>, Nature Communications<\/strong>,\u00a0<\/strong>Chem. Soc. Rev.<\/strong>, Phys. Rev. Lett.<\/strong>, JACS<\/strong>, Adv. Mater.<\/strong>,Nano Lett.<\/strong>\u7b49\u56fd\u9645\u9876\u7ea7\u671f\u520a\u4e0a\u53d1\u8868\u8bba\u6587180\u4f59\u7bc7\uff0c\u4ee5\u7b2c\u4e00\u5b8c\u6210\u4eba\u4e24\u6b21\u83b7\u6e56\u5357\u7701\u81ea\u7136\u79d1\u5b66\u4e00\u7b49\u5956(2010\uff0c2017)\uff0c\u5148\u540e\u5165\u9009\u56fd\u5bb6\u6770\u51fa\u9752\u5e74\u79d1\u5b66\u57fa\u91d1<\/strong>\u3001\u4e2d\u7ec4\u90e8\u201c\u4e07\u4eba\u8ba1\u5212\u201d\u9886\u519b\u4eba\u624d<\/strong>\u7b49\u56fd\u5bb6\u548c\u7701\u90e8\u7ea7\u4eba\u624d\u8ba1\u5212\uff0c\u4e3b\u6301\u591a\u9879\u56fd\u5bb6\u548c\u7701\u90e8\u7ea7\u7814\u7a76\u9879\u76ee\uff0c\u521b\u5efa\u4e86\u201c\u5fae\u7eb3\u7ed3\u6784\u7269\u7406\u4e0e\u5e94\u7528\u6280\u672f\u201d\u6e56\u5357\u7701\u91cd\u70b9\u5b9e\u9a8c\u5ba4\uff0c\u4e2d\u5fb7\u201c\u9762\u5411\u7247\u4e0a\u96c6\u6210\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ed3\u6784\u5149\u5b50\u5b66\u201d\u5408\u4f5c\u5b9e\u9a8c\u5ba4\u3001\u6e56\u5357\u7701\u201c\u96c6\u6210\u5149\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u201d\u56fd\u9645\u8054\u5408\u5b9e\u9a8c\u5ba4\u7b49\u5e73\u53f0\u57fa\u5730\uff0c\u5728\u56fd\u9645\u5b66\u672f\u4f1a\u8bae\u4e0a\u505a\u9080\u8bf7\u62a5\u544a50\u4f59\u6b21, \u4e3b\u6301\u4f1a\u8bae 30 \u4f59\u6b21\uff0c\u5e76\u53d7\u9080\u7ec4\u7ec7\u7f8e\u56fd\u6750\u6599\u5b66\u4f1a\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u5206\u4f1a\u3001\u4e2d\u5fb7\u7eb3\u7c73\u5149\u5b50\u4e0e\u5149\u7535\u5b50\u53cc\u8fb9\u7814\u8ba8\u4f1a\u7b49\u591a\u4e2a\u56fd\u9645\u6216\u53cc\u8fb9\u4f1a\u8bae\uff0c\u62c5\u4efb\u591a\u4e2a\u56fd\u9645\u5b66\u672f\u671f\u520a\u7684\u7f16\u8f91\u3001\u7f16\u59d4\u6216\u7279\u9080\u7f16\u8f91\u3002\u8bfe\u9898\u7ec4\u7f51\u7ad9\uff1ahttp:\/\/nanophotonics.hnu.edu.cn\/<\/a>\u3002<\/p>\n

\u672c\u56e2\u961f\u5728\u8be5\u9886\u57df\u7684\u5de5\u4f5c\u6c47\u603b\uff1a<\/strong><\/p>\n

1. Li F, Feng Y, Li Z, et al. Rational Kinetics Control toward Universal Growth of 2D Vertically Stacked Heterostructures. Advanced Materials,<\/em> 2019<\/strong>: 1901351.
\n 2. Yang T, Wang X, Zheng B, et al. Ultrahigh-Performance Optoelectronics Demonstrated in Ultrathin Perovskite-Based Vertical Semiconductor Heterostructures. ACS Nano<\/em>, 2019<\/strong>.
\n 3. Qi Z, Yang T, Li D, et al. High-responsivity two-dimensional p-PbI2\/n-WS2 vertical heterostructure photodetectors enhanced by photogating effect. Materials Horizons<\/em>, 2019<\/strong>.
\n 4. Liu H, Li D, Ma C, et al. Van der Waals epitaxial growth of vertically stacked Sb2Te3\/MoS2 p-n heterojunctions for high performance optoelectronics. Nano Energy<\/em>, 2019<\/strong>, 59: 66-74.
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\n 8. Yang T, Zheng B, Wang Z, et al. Van der Waals epitaxial growth and optoelectronics of large-scale WSe2\/SnS2 vertical bilayer p\u2013n junctions. Nature communications<\/em>, 2017<\/strong>, 8(1): 1906.
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\u7ecf\u5178\u6587\u732e\u63a8\u8350\uff1a<\/strong><\/p>\n

1. Mak, K. F.; Lee, C.; Hone, J.; et al. Atomically thin MoS2: a new direct-gap semiconductor. Phys. Rev. Lett.<\/em> 2010<\/strong>, 105, 136805.
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\n 4. Wei, X.; Yu, Z.; Hu, F.; Cheng, Y.; et al. Mo-O bond doping and related-defect assisted enhancement of photoluminescence in monolayer MoS2. AIP Adv<\/em>. 2014<\/strong>, 4, 123004.
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\n 6. Lien, D. H.; Uddin, S. Z.; Yeh, M.; et al. Electrical suppression of all nonradiative recombination pathways in monolayer semiconductors. Science<\/em> 2019<\/strong>, 364, 468\u2212471.<\/p>\n

\u672c\u6587\u7531\u6211\u4ea6\u662f\u884c\u4eba\u7f16\u8bd1\u6574\u7406\u3002<\/p>\n

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