{"id":233861,"date":"2022-03-07T06:11:18","date_gmt":"2022-03-06T22:11:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=233861"},"modified":"2022-03-05T17:25:24","modified_gmt":"2022-03-05T09:25:24","slug":"%e4%b8%8a%e6%b5%b7%e4%ba%a4%e5%a4%a7%e5%b4%94%e5%8b%87nature%ef%bc%9a%e8%87%aa%e6%94%af%e6%92%91%e6%89%8b%e6%80%a7%e5%88%86%e5%ad%90%e6%9d%90%e6%96%99%e9%87%8d%e5%a4%a7%e7%aa%81%e7%a0%b4","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=233861","title":{"rendered":"\u4e0a\u6d77\u4ea4\u5927\u5d14\u52c7Nature\uff1a\u81ea\u652f\u6491\u624b\u6027\u5206\u5b50\u6750\u6599\u91cd\u5927\u7a81\u7834"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u81ea\u4eceGeim\u53ca\u5176\u540c\u4e8b\u62a5\u9053\u4e86\u77f3\u58a8\u70ef\u4ee5\u6765\uff0c\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5174\u8da3\u3002\u5176\u4e2d\uff0c\u8d85\u8584\u7247\u5f62\u8c8c\u5bfc\u81f4\u5176\u5177\u6709\u6781\u9ad8\u7684\u8868\u9762\u79ef\uff0c\u5e76\u53ef\u80fd\u8d4b\u4e88\u6709\u4ef7\u503c\u7684\u7535\u5b50\u3001\u7269\u7406\u548c\u5316\u5b66<\/span><\/strong>\u7279\u6027\u3002\u5177\u6709\u5355\u5c42\u539a\u5ea6\u548c\u9ad8\u7eb5\u6a2a\u6bd4\u7684\u4e8c\u7ef4\u6750\u6599<\/strong><\/span>\u56e0\u5176\u9ad8\u8868\u9762\u79ef\u548c\u4e0d\u5bfb\u5e38\u7684\u7269\u7406\u5316\u5b66\u7279\u6027\u800c\u5907\u53d7\u8ffd\u6367\u3002\u5176\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u7528\u4e8e\u5236\u9020\u8fd9\u4e9b\u6750\u6599\uff0c\u5305\u62ec\u673a\u68b0\u5265\u79bb\u3001\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u3001\u8868\u9762\u4e0a\u7684\u81ea\u7ec4\u88c5\u548c\u6eb6\u6db2\u4e2d\u7684\u53cd\u5e94<\/strong>\uff0c\u4f46\u5bf9\u4e8e\u5927\u89c4\u6a21\u5236\u5907\u548c\u5e94\u7528\uff0c\u6700\u6709\u7528\u7684\u53ef\u80fd\u662f\u6db2\u76f8\u5265\u79bb\u3002\u6db2\u76f8\u5265\u79bb<\/span><\/strong>\u662f\u83b7\u5f97\u6b64\u7c7b\u6750\u6599\u7684\u4e00\u79cd\u76f4\u63a5\u4e14\u53ef\u6269\u5c55\u7684\u65b9\u6cd5\uff0c\u4f46\u4ec5\u9650\u4e8e\u7531\u5f3a\u5171\u4ef7\u3001\u914d\u4f4d\u6216\u79bb\u5b50\u76f8\u4e92\u4f5c\u7528\u6240\u652f\u6491\u8d77\u7a33\u5b9a\u7684\u8584\u7247<\/span><\/strong>\uff0c\u8fd9\u4e9b\u5f31\u5316\u5b66\u4f5c\u7528\u7684\u529b\u91cf\u4f3c\u4e4e\u65e0\u6cd5\u652f\u6301\u8fd9\u79cd\u672c\u8d28\u4e0a\u8106\u5f31\u7684\u4e8c\u7ef4\u5355\u5206\u5b50\u5c42\u7ed3\u6784\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/b><\/strong><\/p>\n

\u57fa\u4e8e\u6b64\uff0c\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66\u5d14\u52c7\u6559\u6388\u56e2\u961f\uff0c<\/b><\/strong>\u6c99\u7279\u963f\u535c\u675c\u62c9\u56fd\u738b\u79d1\u6280\u5927\u5b66\u97e9\u5b87\u6559\u6388<\/b><\/strong>\u548c\u82f1\u56fd\u5e03\u91cc\u65af\u6258\u5927\u5b66Anthony P. Davis\u6559\u6388<\/b><\/strong>\uff08<\/b><\/strong>\u5171\u540c<\/b><\/strong>\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u7b49\u4eba\u57fa\u4e8e\u79bb\u6563\u7684\u8d85\u5206\u5b50\u914d\u4f4d\u914d\u5408\u7269\u7ec4\u6210\u7684\u6676\u4f53\uff0c\u901a\u8fc7\u8d85\u58f0\u5265\u79bb\u5f97\u5230\u7ea62.3\u7eb3\u7c73\u539a\u7684\u81ea\u652f\u6491\u5355\u5c42\uff0c\u5176\u7eb5\u6a2a\u6bd4\u9ad8\u8fbe\u7ea62500:1\uff0c\u4ec5\u7531\u975e\u6781\u6027\u5206\u5b50\u95f4\u76f8\u4e92\u4f5c\u7528\u7ef4\u6301\u3002<\/span><\/strong>\u540c\u65f6\uff0c\u57fa\u4e8e\u539f\u5b50\u529b\u663e\u5fae\u955c\u548c\u9ad8\u5206\u8fa8\u7387\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u8868\u5f81\uff0c\u8bc1\u5b9e\u4e86\u5b83\u4eec\u7684\u7ed3\u6676\u5ea6\u3002\u5355\u5206\u5b50\u5c42\u5177\u6709\u590d\u6742\u7684\u624b\u6027\u8868\u9762\uff0c\u90e8\u5206\u6765\u6e90\u4e8e\u5355\u4e2a\u8d85\u5206\u5b50\u914d\u4f4d\u590d\u5408\u7269\u6210\u5206\uff0c\u4f46\u4e5f\u6765\u81ea\u4e8e\u4e0e\u76f8\u90bb\u7269\u8d28\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u5728\u8fd9\u65b9\u9762\uff0c\u5b83\u4eec\u4ee3\u8868\u4e86\u4e00\u79cd\u72ec\u7279\u7c7b\u578b\u7684\u6750\u6599\uff0c\u5176\u4e2d\u5206\u5b50\u6210\u5206\u90fd\u5e73\u7b49\u5730\u66b4\u9732\u4e8e\u73af\u5883\u4e2d\uff0c\u5982\u540c\u5728\u6eb6\u6db2\u4e2d\u4e00\u6837\uff0c\u4f46\u7531\u4e8e\u7ed3\u6676\u5ea6\u5bfc\u81f4\u5177\u6709\u5206\u5b50\u4e4b\u95f4\u7684\u5408\u4f5c\u6240\u4ea7\u751f\u7684\u7279\u6027\u3002\u8fd9\u79cd\u4e0d\u5bfb\u5e38\u7684\u6027\u8d28\u53cd\u6620\u5728\u6750\u6599\u7684\u5206\u5b50\u8bc6\u522b\u7279\u6027\u4e2d\uff0c\u76f8\u5bf9\u4e8e\u5355\u4e2a\u5206\u5b50\u62163D\u6676\u4f53\uff0c\u5176\u7ed3\u5408\u78b3\u6c34\u5316\u5408\u7269\u5177\u6709\u589e\u5f3a\u7684\u5bf9\u6620\u4f53\u8fa8\u522b\u529b\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cFree-standing homochiral 2D monolayers by exfoliation of molecular crystals<\/i><\/b><\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature<\/i><\/b><\/em><\/strong>\u4e0a\u3002\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/b><\/strong><\/p>\n

1.\u8bc1\u660e\u4e86\u57fa\u4e8e\u79bb\u6563\u7684\u8d85\u5206\u5b50\u914d\u4f4d\u590d\u5408\u7269\u7ec4\u6210\u7684\u6676\u4f53\uff0c\u80fd\u591f\u901a\u8fc7\u8d85\u58f0\u5265\u79bb\u5f97\u5230~2.3 nm<\/strong><\/span>\u539a\u7684\u81ea\u652f\u6491\u5355\u5c42\uff0c\u5f97\u52302500:1<\/span><\/strong>\u7684\u8d85\u9ad8\u7eb5\u6a2a\u6bd4\uff1b<\/p>\n

2.\u57fa\u4e8e\u539f\u5b50\u529b\u663e\u5fae\u955c<\/strong><\/span>\u548c\u9ad8\u5206\u8fa8\u7387\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c<\/span><\/strong>\u8868\u5f81\uff0c\u8bc1\u5b9e\u4e86\u5b83\u4eec\u7684\u7ed3\u6676\u5ea6<\/strong><\/span>\u3002<\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/b><\/strong><\/p>\n

\u56fe<\/b><\/strong>\u4e00<\/b><\/strong>\u3001\u8d85\u5206\u5b50\u91d1\u5c5e\u73af\u624b\u6027\u4e8c\u7ef4\u5355\u5c42\u7eb3\u7c73\u7247\u7684\u81ea\u4e0a\u800c\u4e0b<\/b><\/strong>\u5236\u5907 \u00a9 2022 Springer Nature<\/span><\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\uff08a-c\uff09\u624b\u6027\u91d1\u5c5e\u73af\u7684\u5316\u5b66\u7ed3\u6784\uff1b<\/p>\n

\uff08b\uff09(R)-1\u5355\u5c42\u7eb3\u7c73\u7247\u6cbfab\u5e73\u9762\u7684\u6db2\u76f8\u5265\u79bb\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08e-g\uff09\u5728\u4e59\u8148\u4e2d\u8d85\u58f0\u5904\u74064\u5c0f\u65f6\u540e\uff0c\u83b7\u5f97\u7684(R)-1\u3001(R)-2\u548c(R)-3\u5265\u79bb\u7684\u4e8c\u7ef4\u7eb3\u7c73\u7247\u7684AFM\u56fe\u50cf\u548c\u76f8\u5e94\u7684\u9ad8\u5ea6\u66f2\u7ebf<\/p>\n

\u56fe<\/b><\/strong>\u4e8c\u30011-3\u7684\u624b\u6027\u4e8c\u7ef4\u7eb3\u7c73\u7247HR-TEM\u56fe\u50cf \u00a0\u00a9 2022 Springer Nature<\/span><\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

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\uff08g-i\uff09(R)-1\u3001(R)-2\u548c(R)-3\u7eb3\u7c73\u7247\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u3002<\/p>\n

\u56fe<\/b><\/strong>\u4e09<\/b><\/strong>\u3001\u5bf9\u6bd4\u5ea6\u4f20\u9012\u51fd\u6570<\/b><\/strong>\uff08<\/b><\/strong>CTF<\/b><\/strong>\uff09<\/b><\/strong>\u6821\u6b63\u7684HR-TEM\u6210\u50cf \u00a0\u00a9 2022 Springer Nature<\/span><\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09(R)-1\u4e8c\u7ef4\u5355\u5c42\u7eb3\u7c73\u7247\u7684\u539f\u59cbHR-TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08b\uff09CTF\u6821\u6b63\u56fe\u50cf\uff1b<\/p>\n

\uff08c\uff09\u4eceb\u4e2d\u7684\u7a81\u51fa\u663e\u793a\u533a\u57df\u88c1\u526a\u7684\u653e\u5927\u7684CTF\u6821\u6b63\u56fe\u50cf\uff1b<\/p>\n

\uff08d\uff09\u6676\u683c\u5e73\u5747\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff0cf\uff09\u6839\u636eab\u9762\u7684X\u5c04\u7ebf\u6676\u4f53\u7ed3\u6784\u6a21\u578b\uff0c\u70b9\u6269\u6563\u51fd\u6570\u5bbd\u5ea6\u4e3a2.0 \u00c5\u7684\u6a21\u62df\u6295\u5f71\u7535\u52bf\u56fe<\/p>\n

\u56fe<\/b><\/strong>\u56db<\/b><\/strong>\u3001\u624b\u6027\u4e8c\u7ef4\u5355\u5c42\u7eb3\u7c73\u7247\u7684\u5bf9\u6620\u9009\u62e9\u6027\u8bc6\u522b\u00a0\u00a9 2022 Springer Nature<\/span><\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u7528D-\u8461\u8404\u7cd6\u6ef4\u5b9a\u7684\u624b\u6027\u4e8c\u7ef4\u5355\u5c42\u7eb3\u7c73\u7247\u3001\u6676\u4f53\u548c\u7684\u79bb\u6563\u91d1\u5c5e\u73af\u7684KSV<\/sub>\u5e38\u6570\uff1b<\/p>\n

\uff08b\uff09\u56fea\u4e2d\u5bf9\u5e94\u7684EF\u503c\uff1b<\/p>\n

\uff08c\uff0cd\uff09\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u5efa\u6a21\u548c\u8ba1\u7b97(R)-1\u79bb\u6563\u91d1\u5c5e\u73af\u6216 2D\u5355\u5c42\u7eb3\u7c73\u7247\u4e0eL-\u8461\u8404\u7cd6\uff08\u7eff\u8272\uff09\u548cD-\u8461\u8404\u7cd6\uff08\u7ea2\u8272\uff09\u5728\u4e59\u8148\u6eb6\u6db2\u4e2d\u7684\u7ed3\u5408\u80fd<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/b><\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u5236\u5907\u7684\u81ea\u652f\u64912D\u7eb3\u7c73\u7247\u4ee3\u8868\u4e86\u4e00\u7cfb\u5217\u5177\u6709\u4f18\u5f02\u6027\u80fd\u548c\u5404\u79cd\u5e94\u7528\u6f5c\u529b\u7684\u6750\u6599\uff0c\u7531\u79bb\u6563\u5206\u5b50\u7ec4\u6210\uff0c\u5176\u7ed3\u6784\u5b8c\u6574\u6027\u5b8c\u5168\u7531\u5f31\u7684\u975e\u5171\u4ef7\u952e\u4fdd\u6301\u3002\u6b64\u5916\uff0c\u968f\u7740\u6676\u4f53\u7ed3\u6784\u9884\u6d4b\u65b9\u6cd5\u7684\u6539\u8fdb\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u5177\u6709\u5265\u79bb\u6f5c\u529b\u7684\u5206\u5c42\u7ed3\u6784\u3002\u8be5\u65b9\u6cd5\u6709\u52a9\u4e8e\u6784\u5efa\u590d\u6742\u7684\u3001\u4e0d\u89c4\u5219\u7684\u8868\u9762<\/span><\/strong>\u3002\u6b64\u5916\uff0c\u624b\u6027\u8868\u9762\u4e0e\u5355\u4e2a\u91d1\u5c5e\u73af\u76f8\u6bd4\uff0c\u7eb3\u7c73\u7247\u663e\u793a\u51fa\u66f4\u597d\u7684\u7ed3\u5408\u548c\u5bf9\u6620\u4f53\u8fa8\u522b\u80fd\u529b\uff0c\u8fd9\u662f\u7531\u534f\u540c\u4ea7\u751f\u7684\u7ed3\u5408\u4f4d\u70b9\u5f15\u8d77\u7684\u3002\u8fd9\u4e00\u6750\u6599\u6709\u76f8\u5f53\u5927\u7684\u6f5c\u529b\uff0c\u671b\u5206\u5b50\u7eb3\u7c73\u7247\u80fd\u591f\u6269\u5c55\u5f62\u6210\u591a\u6837\u3001\u591a\u7528\u9014\u7684\u529f\u80fd\u6027\u4e8c\u7ef4\u6750\u6599\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a\u201c<\/b><\/strong>Free-standing homochiral 2D monolayers by exfoliation of molecular crystals<\/i><\/b><\/u><\/em><\/strong><\/a>\u201d<\/b><\/strong>\uff08<\/b><\/strong>Nature<\/i><\/b><\/em><\/strong>\uff0c<\/b><\/strong>202<\/b><\/strong>2<\/b><\/strong>\uff0c<\/b><\/strong>10.1038\/s41586-022-04407-8<\/b><\/strong>\uff09<\/b><\/strong><\/p>\n

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