{"id":105350,"date":"2017-10-06T06:30:28","date_gmt":"2017-10-05T22:30:28","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=105350"},"modified":"2017-10-05T08:48:16","modified_gmt":"2017-10-05T00:48:16","slug":"acs-nano-%ef%bc%9a%e5%9c%a8%e7%9f%b3%e5%a2%a8%e8%a1%a8%e9%9d%a2%e9%80%9a%e8%bf%87%e7%94%b5%e8%8d%b7%e7%8a%b6%e6%80%81%e5%92%8c%e6%b0%a2%e9%94%ae%e6%9d%a5%e7%a8%b3%e5%ae%9a%e8%b6%85%e5%88%86%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=105350","title":{"rendered":"ACS Nano.\uff1a\u5728\u77f3\u58a8\u8868\u9762\u901a\u8fc7\u7535\u8377\u72b6\u6001\u548c\u6c22\u952e\u6765\u7a33\u5b9a\u8d85\u5206\u5b50\u9a6c\u8fbe"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u53d1\u5c55\u4eba\u9020\u5206\u5b50\u9a6c\u8fbe\u662f\u4e2a\u6311\u6218\u6027\u9879\u76ee\uff0c\u5b83\u9700\u8981\u4e00\u4e2a\u53ef\u628a\u5316\u5b66\u80fd\u3001\u5149\u80fd\u6216\u7535\u80fd\u8f6c\u6362\u6210\u53d7\u63a7\u7684\u65cb\u8f6c\u8fd0\u52a8\u7684\u5206\u5b50\u673a\u5668\u3002\u5728\u5171\u4ef7\u5206\u5b50\u8f6c\u5b50\u6216\u9a6c\u8fbe\u4e2d\uff0c\u5b9a\u5b50\u6216\u8005\u8f6c\u5b50\u901a\u8fc7\u5171\u4ef7\u952e\u76f8\u4e92\u8fde\u63a5\u3002\u56e0\u4e3a\u5206\u5b50\u95f4\u5b58\u5728\u7535\u5b50\u79bb\u57df\u53ca\u7a7a\u95f4\u5e72\u6d89\uff0c\u5316\u5b66\u952e\u7684\u5706\u67f1\u5bf9\u79f0\u6027\u4e0d\u80fd\u4fdd\u8bc1\u6ca1\u6709\u65cb\u8f6c\u5c4f\u969c\u3002\u7136\u800c\uff0c\u5728\u8d85\u5206\u5b50\u9a6c\u8fbe\u4e2d\uff0c\u8f6c\u5b50\u548c\u5b9a\u5b50\u673a\u68b0\u5730\u4fdd\u6301\u5728\u4e00\u8d77\uff0c\u56e0\u6b64\u5f53\u5206\u5b50\u6784\u8c61\u4e2d\u5206\u5b50\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u65f6\uff0c\u5b9e\u8d28\u4e0a\u53ef\u4ee5\u81ea\u7531\u65cb\u8f6c\u3002\u5728\u81ea\u7136\u754c\uff0c\u5927\u591a\u6570\u9a6c\u8fbe\u5728\u754c\u9762\u5904\u8fd0\u884c\uff0c\u56e0\u6b64\u5728\u8868\u9762\u5b89\u88c5\u7684\u8d85\u5206\u5b50\u9a6c\u8fbe\u5177\u6709\u6700\u5927\u7684\u7eb3\u7c73\u79d1\u5b66\u6f5c\u529b\u3002\u7136\u800c\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u8d85\u5206\u5b50\u9a6c\u8fbe\u90fd\u51fa\u73b0\u4e86\u5728\u6eb6\u6db2\u6216\u4e3b\u5ba2\u4f53\u590d\u5408\u7269\u4e2d\u3002\u8868\u9762\u5b89\u88c5\u7684\u8d85\u5206\u5b50\u9a6c\u8fbe\u5bb9\u6613\u88ab\u5916\u90e8\u73af\u5883\u64cd\u7eb5\uff0c\u56e0\u800c\u5f88\u5c11\u80fd\u88ab\u7814\u7a76\u6e05\u695a\u3002<\/p>\n

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

\u8fd1\u671f\uff0c\u897f\u5357\u5927\u5b66\u738b\u4fca\u5fe0\u6559\u6388\u3001\u6e05\u534e\u5927\u5b66\u859b\u5176\u5764\u9662\u58eb\u548c\u4e2d\u79d1\u9662\u957f\u6625\u5e94\u5316\u6240\u738b\u9896\u526f\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5728ACS Nano<\/strong>\u4e0a\u53d1\u8868\u4e86\u6700\u65b0\u7814\u7a76\u6210\u679c \u201cSupramolecular Motors on Graphite Surface Stabilized by Charge States and Hydrogen Bonds\u201d<\/strong>\u3002\u8be5\u7814\u7a76\u5c55\u793a\u4e86\u5bf9\u4e8e\u6355\u83b7\u6c38\u4e45\u5076\u6781\u77e9\u7684\u5355\u4e2a\u5206\u5b50\u94fe\u5177\u6709\u5145\u7535\u72b6\u6001\u7684\u4e00\u4e2a\u6709\u8da3\u7684\u80fd\u529b\u3002\u5728\u77f3\u58a8\u8868\u9762\uff0c\u5355\u4e2a\u7684\u4e59\u9187\u7c07\u53ef\u4ee5\u7528STM\u5c16\u7aef\u5145\u7535\u3002 \u4f5c\u4e3a\u4e00\u4e2a\u65cb\u8f6c\u5668\uff0c\u4e00\u4e2a\u4e59\u9187\u94fe\u53ef\u4ee5\u56f4\u7ed5\u5e26\u7535\u7c07\u987a\u65f6\u9488\u6216\u9006\u65f6\u9488\u65b9\u5411\u968f\u673a\u5730\u65cb\u8f6c\u3002\u901a\u8fc7\u5206\u5b50\u94fe\u4e2d\u5f15\u5165\u624b\u6027\u5206\u679d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7981\u6b62\u624b\u6027\u7ffb\u8f6c\u6765\u5b9e\u73b0\u5b9a\u5411\u65cb\u8f6c\uff0c\u4ece\u800c\u6784\u6210\u8868\u9762\u5b89\u88c5\u7684\u8d85\u5206\u5b50\u9a6c\u8fbe\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1\uff1a\u572878K\u4e0b\u83b7\u5f97\u77f3\u58a8\u8868\u9762\u4e0a\u7684\u4e59\u9187\u5355\u4f53\u53ca\u4e8c\u805a\u4f53\u7684STM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5177\u6709\u53cd\u5f0f\u6784\u8c61\u7684\u4e59\u9187\u5355\u4f53\uff081.5 V\uff0c35 pA\uff09\u3002<\/p>\n

(b) \u7535\u538b\u8109\u51b2\uff081.5 V\uff0c35 pA\uff09\u5f15\u8d77\u7684\u7531\u53cd\u5f0f\u5230\u94b3\u5f0f\u6784\u8c61\u8f6c\u53d8\u3002<\/p>\n

(c) \u4e24\u4e2a\u4e59\u9187\u4e8c\u805a\u4f53\u5438\u9644\u5728HOPG\u8868\u9762\uff083.0 V\uff0c30 pA\uff09\u3002<\/p>\n

(d) \u4e0e(c)\u4e2d\u76f8\u540c\u7684\u4e59\u9187\u4e8c\u805a\u4f53\uff0c\u4f46\u4e0e\u901a\u8fc7\u8ba1\u91cf\u96a7\u7a7f\u7535\u5b50\u800c\u52a0\u5165\u7684\u53f3\u4e0b\u4e8c\u805a\u4f53\u3002<\/p>\n

(e-f) \u5728\u77f3\u58a8\u4e0a\u4e59\u9187\u5355\u4f53\u53cd\u5f0f\uff08e\uff09\u548c\u94b3\u5f0f\uff08f\uff09\u6784\u8c61\u7684\u4f18\u5316\u5438\u9644\u6a21\u578b\u7684\u4fa7\u89c6\u56fe\u3002\u4e59\u9187\u4e2d\u7684C\uff0cH\u548cO\u539f\u5b50\u5206\u522b\u7531\u9752\u8272\uff0c\u7070\u8272\u548c\u7ea2\u8272\u7403\u4f53\u8868\u793a\u3002<\/p>\n

(g) \u5145\u7535\u524d\uff08\u865a\u7ebf\uff09\u548c\u5145\u7535\u540e\uff08\u5b9e\u7ebf\uff09\u4e59\u9187\u4e8c\u805a\u4f53\u7684\u622a\u9762\u90e8\u5206\u3002<\/p>\n

(h) \u5728\u4e59\u9187\u4e8c\u805a\u4f53\uff08\u8bbe\u5b9a\u70b9\uff0c3.0 V\uff0c100 pA\uff09\u4e0a\u6d4b\u91cf\u7684I-V\u66f2\u7ebf\u3002\u524d\u626b\u548c\u53cd\u626b\u5206\u522b\u7531\u7ea2\u8272\u548c\u84dd\u8272\u7bad\u5934\u6807\u6ce8\u3002<\/p>\n

\u56fe2\uff1a\u57284.5 K\u4e0b\u7531\u8131\u6c22\u5f15\u8d77\u7684\u8868\u9762\u91cd\u5efa\u4e59\u9187\u5355\u4f53\u548c\u5b8c\u6574\u7684HOPG\u8986\u76d6\u83b7\u5f97\u7684\u5e26\u7535\u4e59\u9187\u7c07<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u901a\u8fc7\u5927\u7535\u538b\u8109\u51b2\uff080.3 V\uff0c36 pA\uff09\u4e0b\u8131\u6c22\u4e59\u9187\u5355\u4f53\u7684STM\u56fe\u50cf\u3002<\/p>\n

(b) \u4f4d\u4e8e\u516d\u8fb9\u5f62\u5185\u7684\u516d\u70b9\u221a3\u00d7\u221a3\u91cd\u5efa\u3002<\/p>\n

(c, d) \u5728\u77f3\u58a8\u8868\u9762\u4e0a\u4fa7(c)\u548c\u9876\u90e8(d)\u8131\u6c22\u4e59\u9187\u5206\u5b50\u7684\u4f18\u5316\u6a21\u578b\u3002<\/p>\n

(e) \u77f3\u58a8\u8868\u9762\u4e0a\u6e05\u6670\u53ef\u89c1\u7684\u7c07\u4e0e\u886c\u5e95\u6676\u683c\uff0820mV\uff0c36pA\uff09\u5e26\u7535\u4e59\u9187\u7684STM\u56fe\u50cf\u3002<\/p>\n

(f) (e)\u7684FFT\u56fe\u50cf\u3002\u865a\u7ebf\u7684\u516d\u89d2\u5f62\u4ee3\u8868\u77f3\u58a8\u76841\u00d71\u6676\u683c\u3002<\/p>\n

\u56fe3\uff1a\u572878K\u4e0b\uff0c\u89c2\u6d4b\u5230\u7684\u7531\u5b9a\u5b50\u548c\u8f6c\u5b50\u7ec4\u6210\u7684\u8d85\u5206\u5b50\u8f6c\u5b50\u548c\u9a6c\u8fbe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5c06\u4e94\u89d2\u66f2\u6298\u94fe\u56f4\u7ed5\u5e26\u7535\u8377\u7684\u4e94\u805a\u4f53\u73af\uff081.5V\uff0c20pA\uff09\u968f\u673a\u65cb\u8f6c\u3002<\/p>\n

(b) \u5c06\u4e03\u805a\u4f53\u624b\u6027\u94fe\u5728\u5e26\u7535\u8377\u7684\u4e94\u805a\u4f53\u73af\u5468\u56f4\u968f\u673a\u65cb\u8f6c\uff082.5V\uff0c20 pA\uff09\u3002<\/p>\n

(c) \u4e00\u4e2a\u516b\u89d2\u5f62\u624b\u94fe\u56f4\u7ed5\u5145\u7535\u5fae\u8c03\u73af\u6309\u987a\u65f6\u9488\u624b\u52bf\u5b9a\u5411\u65cb\u8f6c\uff082.5 V\uff0c25 pA\uff09\u3002<\/p>\n

(d-e) (a-c)\u6240\u793a\u7684\u8f6c\u5b50\u548c\u9a6c\u8fbe\u7684\u539f\u7406\u56fe\u6a21\u578b\u3002\u4e09\u4e2a\u65cb\u8f6c\u4f53\u7684\u7ed3\u6784\u5df2\u7ecf\u7528\u5177\u6709\u8272\u6563\u6821\u6b63\u7684SCCDFTB\u65b9\u6cd5\u8fdb\u884c\u4e86\u4f18\u5316\u3002<\/p>\n

(g\u2212i) (a-c)\u4e2d\u5206\u522b\u6240\u793a\u7684\u8f6c\u5b50\u548c\u9a6c\u8fbe\u7684\u6a2a\u622a\u9762\u56fe\u50cf\uff0c\u7a7f\u8fc7\u7bad\u5934\u4f4d\u7f6e\u3002\u6240\u6709\u6bd4\u4f8b\u5c3a\uff1a2nm<\/p>\n

\u56fe4\uff1a\u572878K\u4e0b\uff0c\u83b7\u5f97\u7684\u8f6c\u901f\u6d4b\u91cf\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4f4d\u4e8e\u56fe3c\u7684\u5341\u5b57\u67b6\u5904\u91c7\u7528STM\u5c16\u7aef3.0V\u7684\u504f\u538b\u83b7\u5f97\u7535\u6d41\u4e0e\u65f6\u95f4\u5149\u8c31\u56fe\u3002<\/p>\n

(b) \u968f\u505c\u7559\u65f6\u95f4\u9ad8\u7535\u5bfc\u72b6\u6001\u4e0b\u7684\u6307\u6570\u8870\u51cf\u56fe\u3002<\/p>\n

(c) \u6837\u54c1\u504f\u5dee\u4e3a3.0 V\u4e0b\uff0c\u968f\u96a7\u9053\u7535\u6d41\u9ad8\u7535\u5bfc\u72b6\u6001\u4e0b\u7684\u8f6c\u52a8\u901f\u7387\u56fe\u3002<\/p>\n

(d) \u5728\u4e59\u9187\u94fe\uff081.3 V\uff0c100 pA\uff09\u4e0a\uff0c\u65cb\u8f6c\u83b7\u5f97\u7684I-V\u66f2\u7ebf\u3002<\/p>\n

\u56fe5\uff1a\u89c2\u5bdf\u5230\u7531\u4e00\u4e2a\u65cb\u8f6c\u4f53\u548c\u4e00\u4e2a\u8f74\u627f\u6240\u7ec4\u6210\u7684\u8d85\u5206\u5b50\u9a6c\u8fbe<\/strong><\/p>\n

\"\"<\/p>\n

(a-c) \u4e09\u4e2a\u8fde\u7eed\u7684STM\u56fe\u50cf\u663e\u793a\u4e59\u9187\u94fe\u56f4\u7ed5\u7eba\u7eb1\u673a\uff08\u8f74\u627f\uff09\u65cb\u8f6c\u3002<\/p>\n

(d) \u7559\u5728\u539f\u59cb\u4f4d\u7f6e\u7528\u65cb\u8f6c\u5fae\u8c03\u8131\u79bb\u65cb\u8f6c\u94fe\u3002\u4e24\u4e2a\u865a\u7ebf\u5708\u6807\u8bb0\u4e86\u65cb\u8f6c\u94fe\u7684\u75d5\u8ff9\u3002<\/p>\n

(e) \u5e26\u7535\u4e09\u805a\u4f53\u7684\u677e\u5f1b\u3002<\/p>\n

(f) \u5e26\u7535\u4e09\u805a\u4f53\u7684\u7279\u5199\u89c6\u56fe\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5728\u77f3\u58a8\u8868\u9762\u4e0a\u5b89\u88c5\u5c16\u7aef\u5145\u7535\u4e2a\u522b\u4e59\u9187\u7c07\uff0c\u6210\u529f\u5236\u9020\u4e86\u51e0\u4e2a\u8d85\u5206\u5b50\u8f6c\u5b50\u548c\u9a6c\u8fbe\u3002\u901a\u8fc7\u6539\u53d8\u4e59\u9187\u94fe\u7684\u624b\u6027\uff0c\u53ef\u4ee5\u5b9e\u73b0\u968f\u673a\u65cb\u8f6c\u548c\u5b9a\u5411\u65cb\u8f6c\u3002\u7814\u7a76\u7ed3\u679c\u663e\u793a\u4e86\u5236\u5907\u8d85\u5206\u5b50\u9a6c\u8fbe\u7684\u76f4\u63a5\u9014\u5f84\uff0c\u9002\u7528\u4e8e\u4e59\u9187\u5206\u5b50\u4ee5\u53ca\u5176\u4ed6\u6781\u6027\u9187\u7c7b\u5206\u5b50\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Sun K, Luo J Y, Zhang X, et al. Supramolecular Motors on Graphite Surface Stabilized by Charge States and Hydrogen Bonds[J]. ACS nano, 2017.<\/p>\n

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