{"id":235366,"date":"2022-04-07T06:44:59","date_gmt":"2022-04-06T22:44:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=235366"},"modified":"2022-04-06T14:46:03","modified_gmt":"2022-04-06T06:46:03","slug":"%e3%80%90%e8%af%b7%e4%b8%a5%e6%a0%bc%e6%8c%89%e7%85%a7%e6%a0%bc%e5%bc%8f%e6%92%b0%e5%86%99%e3%80%91stm%e6%90%ba%e6%89%8b%e5%b1%80%e9%83%a8%e7%ad%89%e7%a6%bb%e5%ad%90%e4%bd%93%e5%9c%ba%e5%86%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=235366","title":{"rendered":"STM\u643a\u624b\u5c40\u90e8\u7b49\u79bb\u5b50\u4f53\u573a\u518d\u767bNature\uff1a\u5355\u5206\u5b50\u5149\u7535\u6d41\u901a\u9053\u7684\u8f68\u9053\u5206\u8fa8\u53ef\u89c6\u5316"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>\u4e00\u3001\u80cc\u666f\u4ecb\u7ecd<\/strong><\/p>\n<p>\u6765\u81ea\u6fc0\u53d1\u5206\u5b50\u7684\u5149\u8bf1\u5bfc\u7535\u5b50\u8f6c\u79fb(PET)\u5728\u5149\u80fd\u5229\u7528\u65b9\u9762\u5177\u6709\u6838\u5fc3\u4f5c\u7528\uff0c\u5df2\u88ab\u5e7f\u6cdb\u7814\u7a76\u3002\u7136\u800c\uff0c\u6765\u81ea\u5149\u6fc0\u53d1\u5206\u5b50\u7684PET\u4fe1\u53f7\u901a\u5e38\u88ab\u4e0d\u5747\u5300\u5c40\u90e8\u7ed3\u6784\u7684\u6574\u4f53\u5e73\u5747\u6240\u63a9\u76d6\uff0c\u5373\u4f7f\u5fae\u89c2\u5149\u7535\u6d41\u6d4b\u91cf\u65b9\u6cd5\u5df2\u7ecf\u4f7f\u8be5\u8fc7\u7a0b\u7684\u6548\u7387\u4e0e\u5c40\u90e8\u7279\u5f81\u76f8\u5173\u8054\u6210\u4e3a\u53ef\u80fd\uff0c\u4f46\u76ee\u524d\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u4e0d\u8db3\u4ee5\u5728\u5206\u5b50\u6c34\u5e73\u4e0a\u89c2\u6d4b\u5b83\u3002\u4e24\u79cd\u7269\u8d28\u4e4b\u95f4\u7684\u7535\u5b50\u8f6c\u79fb\u53d6\u51b3\u4e8e\u5b83\u4eec\u7535\u5b50\u6ce2\u51fd\u6570\u7684\u76f4\u63a5\u91cd\u53e0\uff0c\u56e0\u6b64\uff0c\u539f\u5b50\u5c3a\u5ea6\u7684\u51e0\u4f55\u53d8\u5316\u53ef\u4ee5\u5f71\u54cd\u8be5\u8fc7\u7a0b\u7684\u6548\u7387\uff0c\u63a2\u7d22\u63a7\u5236PET\u8fc7\u7a0b\u7684\u57fa\u7840\u7269\u7406\u9700\u8981\u5177\u6709\u539f\u5b50\u7a7a\u95f4\u5206\u8fa8\u7387\u7684\u5149\u7535\u6d41\u6d4b\u91cf\u6280\u672f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>\u4e8c\u3001\u6210\u679c\u7b80\u4ecb<\/strong><\/p>\n<p><strong>RIKEN<\/strong><strong>\u8868\u9762\u754c\u9762\u79d1\u5b66\u7814\u7a76\u5ba4<\/strong><strong>Yousoo Kim<\/strong><strong>\u7b49\u4eba<\/strong>\u6700\u8fd1\u7684\u5de5\u4f5c\u8868\u660e\uff0c<strong>\u5f53\u5c06\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c<\/strong><strong>(STM)<\/strong><strong>\u4e0e\u7531\u53ef\u8c03\u8c10\u6fc0\u5149\u5668\u9a71\u52a8\u7684\u5c40\u90e8\u7b49\u79bb\u5b50\u4f53\u573a\u76f8\u7ed3\u5408\u65f6<\/strong>\uff0c<strong>\u5355\u4e2a\u5206\u5b50\u53ef\u4ee5\u88ab\u6709\u6548\u5730\u6fc0\u53d1\u548c\u63a2\u6d4b<\/strong>\u3002\u5728\u8fd9\u4e2a\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u4f7f\u7528\u8be5\u65b9\u6cd5\u901a\u8fc7\u68c0\u6d4b\u6765\u81ea\u5176\u7b2c\u4e00\u4e2a\u6fc0\u53d1\u6001\u96a7\u7a7f\u901a\u8fc7STM\u5c16\u7aef\u7684\u7535\u5b50\uff0c\u4ee5<strong>\u539f\u5b50\u7ea7\u5206\u8fa8\u7387\u76f4\u63a5\u53ef\u89c6\u5316\u901a\u8fc7\u5355\u4e2a\u6e38\u79bb\u78b1\u915e\u83c1<\/strong><strong> (FBPc) <\/strong><strong>\u5206\u5b50\u7684\u5206\u5b50\u8f68\u9053\u7684\u5149\u7535\u6d41\u901a\u9053<\/strong>\u3002\u53d1\u73b0\u5149\u7535\u6d41\u7684\u65b9\u5411\u548c\u7a7a\u95f4\u5206\u5e03\u654f\u611f\u5730\u53d6\u51b3\u4e8e\u504f\u7f6e\u7535\u538b\uff0c\u5e76\u4e14\u5373\u4f7f\u5728\u5e73\u5747\u5149\u7535\u6d41\u63a5\u8fd1\u96f6\u7684\u7535\u538b\u4e0b\u4e5f\u80fd\u68c0\u6d4b\u5230\u9006\u6d41\u5149\u7535\u6d41\u901a\u9053\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u770b\u5230\u4e86PET\u548c\u5149\u81f4\u53d1\u5149\u4e4b\u95f4\u7ade\u4e89\u7684\u8bc1\u636e\uff0c\u5e76\u53d1\u73b0\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e09\u7ef4\u539f\u5b50\u7cbe\u5ea6\u5b9a\u4f4dSTM\u5c16\u7aef\u6765\u63a7\u5236\u88ab\u6fc0\u53d1\u7684\u5206\u5b50\u662f\u4e3b\u8981\u901a\u8fc7PET\u5f1b\u8c6b\u8fd8\u662f\u5149\u81f4\u53d1\u5149\u3002\u8fd9\u4e9b\u89c2\u5bdf\u7ed3\u679c\u8868\u660e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u4e0e\u6fc0\u53d1\u6001\u5206\u5b50\u8f68\u9053\u7684\u8026\u5408\u6765\u4fc3\u8fdb\u6216\u6291\u5236\u7279\u5b9a\u7684\u5149\u7535\u6d41\u901a\u9053\uff0c\u4ece\u800c\u4e3a\u901a\u8fc7\u5206\u5b50\u754c\u9762\u7684\u539f\u5b50\u7ea7\u7535\u5b50\u548c\u51e0\u4f55\u5de5\u7a0b\u63d0\u9ad8\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u63d0\u4f9b\u65b0\u7684\u89c6\u89d2\u3002\u76f8\u5173\u6210\u679c\u4ee5<em>\u201cOrbital-resolved visualization of single-molecule photocurrent channels<\/em>\u201d\u53d1\u8868\u5728Nature\u4e0a\u3002<\/p>\n<p style=\"text-align: center;\"><strong>\u4e09\u3001\u56fe\u6587\u89e3\u6790<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u56fe<\/strong><strong>1.<\/strong> <strong>\u5355\u4e2a\u5206\u5b50\u4e2d\u5149\u7535\u6d41\u4ea7\u751f\u7684\u539f\u5b50\u7ea7\u6d4b\u91cf\u00a0<\/strong><strong>\u00a9 Nature (2022)<\/strong><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media.springernature.com\/full\/springer-static\/image\/art%3A10.1038%2Fs41586-022-04401-0\/MediaObjects\/41586_2022_4401_Fig1_HTML.png\" alt=\"Fig. 1\" \/><\/p>\n<p>(a)\uff0c\u5b9e\u9a8c\u793a\u610f\u56fe\u3002\u63d2\u56fe\u663e\u793a\u4e86\u6e38\u79bb\u78b1\u915e\u83c1\u7684\u7ed3\u6784(FBPc\uff1bC\uff0c\u7070\u8272\uff1bN\uff0c\u84dd\u8272\uff1bH\uff0cD\uff0c\u767d\u8272)\u3002<\/p>\n<p>(b)\uff0cFBPc \u5438\u9644\u5728 Ag(111) \u886c\u5e95\u4e0a\u751f\u957f\u7684\u56db\u5355\u5c42 (4ML) \u539a NaCl(100) \u8584\u819c\u4e0a\u7684 STM \u5f62\u8c8c\u56fe\u50cf(\u6837\u54c1\u504f\u7f6e\u7535\u538b V<sub>s<\/sub>\u2009=\u2009+1.0\u2009V\uff0c\u96a7\u9053\u7535\u6d41 I<sub>t<\/sub>\u2009=\u20095\u2009pA)\u3002\u865a\u7ebf\u663e\u793a\u5e73\u884c\u548c\u5782\u76f4\u4e8e N-H(D)-H(D)-N \u952e\u7684\u5206\u5b50\u8f74\u3002<\/p>\n<p>(c)\uff0c\u5728 V<sub>s<\/sub>\u2009=\u2009\u22122.0\u2009V \u4e0b\u5728 FBPc \u5206\u5b50(\u7ea2\u8272)\u548c\u5355\u7eafNaCl \u819c(\u7070\u8272)\u4e0a\u6d4b\u91cf\u7684\u968f\u65f6\u95f4\u53d8\u5316\u66f2\u7ebf\u3002\u4f7f\u7528\u6fc0\u5149\u5feb\u95e8\u4ee5 1\u2009Hz \u6253\u5f00\u548c\u5173\u95ed\u5165\u5c04\u6fc0\u5149\u7167\u5c04(\u6fc0\u53d1\u6fc0\u5149\u80fd\u91cf h\u03bd\u2009= 1,816\u2009meV\uff0c\u6fc0\u5149\u529f\u7387 I<sub>power<\/sub>\u2009=\u20096\u2009\u03bcW\u3002\u6d4b\u91cf\u671f\u95f4\u7684 STM \u5c16\u7aef\u4f4d\u7f6e\u663e\u793a\u5728 b \u4e2d\u3002<\/p>\n<p>(d)\uff0cFBPc\/NaCl(4ML)\/Ag(111)\u7684I<sub>t<\/sub>\u4e0eh\u03bd\u66f2\u7ebf(V<sub>s<\/sub>\u2009=\u2009\u22122.0\u2009V\uff0cI<sub>power\u2009<\/sub>\u224810\u2009\u03bcW\uff0c\u7d2f\u79ef\u65f6\u95f4t\u2009=\u20090.5\u2009s)\u3002\u5728\u6d4b\u91cf\u8fc7\u7a0b\u4e2d\uff0cSTM \u5c16\u7aef\u653e\u7f6e\u5728 b \u4e2d\u7ea2\u70b9\u6307\u793a\u7684\u4f4d\u7f6e\u3002\u901a\u8fc7\u6253\u5f00\u53cd\u9988\u56de\u8def\u6765\u4fdd\u6301\u5c16\u7aef &#8211; \u57fa\u677f\u8ddd\u79bb\u3002\u63d2\u56fe\u663e\u793a\u4e86\u5206\u5b50\u7684\u5149\u6fc0\u53d1\u793a\u610f\u56fe\u3002<\/p>\n<p>(e)\uff0c\u5728\u6fc0\u5149\u5173\u95ed(\u5de6)\u548c\u6fc0\u5149\u5f00\u542f(\u53f3)\u72b6\u6001(V<sub>s\u2009<\/sub>=\u2009\u22122.0\u2009V\uff0c3.0\u2009nm\u2009\u00d7\u20093.0\u2009nm)\u4e0b\u6d4b\u91cf\u7684 FBPc \u5206\u5b50\u4e0a\u7684 I<sub>t<\/sub> \u56fe\u50cf\u3002\u6fc0\u5149\u80fd\u91cf\u5728 S<sub>0<\/sub>-S<sub>1<\/sub> \u8dc3\u8fc1\u7684\u5171\u632f\u5904\u8fdb\u884c\u8c03\u8c10\uff0c\u529f\u7387\u4e3a 6\u2009\u03bcW\u3002\u901a\u8fc7\u6253\u5f00\u53cd\u9988\u56de\u8def\u6765\u4fdd\u6301\u5c16\u7aef &#8211; \u57fa\u677f\u8ddd\u79bb\u3002<\/p>\n<p style=\"text-align: center;\"><strong>\u56fe<\/strong><strong>2.<\/strong><strong>\u901a\u8fc7\u5355\u4e2a\u5206\u5b50\u7684\u5149\u7535\u6d41\u901a\u9053\u7684\u7535\u538b\u4f9d\u8d56\u6027\u00a0<\/strong><strong>\u00a9 Nature (2022)<\/strong><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media.springernature.com\/full\/springer-static\/image\/art%3A10.1038%2Fs41586-022-04401-0\/MediaObjects\/41586_2022_4401_Fig2_HTML.png\" alt=\"Fig. 2\" \/><\/p>\n<p>(a)\uff0c\u6ca1\u200b\u200b\u6709\u6fc0\u5149\u7167\u5c04\u7684 FBPc\/NaCl(4ML)\/Ag(111) \u7cfb\u7edf\u7684 I-V(\u7070\u8272)\u548c\u5fae\u5206\u7535\u5bfc(dI\/dV\uff0c\u9ed1\u8272)\u5149\u8c31\u3002\u7ea2\u8272\u3001\u84dd\u8272\u548c\u9ed1\u8272\u7bad\u5934\u8868\u793a b(\u7ea2\u8272\u548c\u84dd\u8272)\u548c d(\u9ed1\u8272)\u7684\u6d4b\u91cf\u7535\u538b\u3002<\/p>\n<p>(b)\uff0c\u5728 STM \u53cd\u9988\u56de\u8def\u6253\u5f00\u7684\u60c5\u51b5\u4e0b\uff0c\u5728 -2.0\u2009V \u548c 0.0\u2009V(\u56fe\u50cf\u5c3a\u5bf8\uff0c3.0\u2009nm\u2009\u00d7\u20093.0\u2009nm)\u5904\u83b7\u5f97\u7684 FBPc \u5206\u5b50\u4e0a\u7684\u5149\u7535\u6d41\u56fe\u50cf\u3002\u6fc0\u5149\u80fd\u91cf\u8bbe\u7f6e\u5728 S<sub>0<\/sub>-S<sub>1<\/sub> \u8dc3\u8fc1\u7684\u5171\u632f\u5904\uff0c-2.0-V \u56fe\u50cf\u7684\u529f\u7387\u4e3a 9.3\u2009\u03bcW\uff0c0.0-V \u56fe\u50cf\u7684\u529f\u7387\u4e3a 77\u2009\u03bcW\u3002\u84dd\u8272\u548c\u7ea2\u8272\u9634\u5f71\u5206\u522b\u4ee3\u8868\u4ece\u57fa\u677f\u5230\u5c16\u7aef\u7684\u7535\u6d41\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<p>(c\uff0cb) \u6240\u793a\u56fe\u50cf\u4e2d FBPc \u5206\u5b50\u7684\u65b9\u5411\u3002\u5728\u6210\u50cf\u8fc7\u7a0b\u4e2d\uff0c\u4e92\u53d8\u5f02\u6784\u53cd\u5e94\u5bfc\u81f4\u5206\u5b50\u8f74 (X,\u2009Y) \u65cb\u8f6c 90\u00b0\u3002 d\uff0c\u4e3a\u4e86\u6bd4\u8f83\uff0c\u6697\u7535\u6d41\u56fe\u50cf\u5728 +0.75\u2009V \u548c -2.1\u2009V \u4e0b\u83b7\u5f97\uff0cSTM \u53cd\u9988\u56de\u8def\u6253\u5f00(\u56fe\u50cf\u5c3a\u5bf8\uff0c3.0\u2009nm\u2009\u00d7\u20093.0\u2009nm)\u3002\u5982\u56fea\u6240\u793a\uff0cV<sub>s<\/sub>\u2009=\u2009+0.75\u2009V\u5904\u7684\u7535\u6d41\u503c\u4e3a\u6b63\uff0cV<sub>s<\/sub>\u2009=\u2009\u22122.1\u2009V\u5904\u7684\u7535\u6d41\u503c\u4e3a\u8d1f\u3002\u7531\u4e8e\u6fc0\u5149\u8bf1\u5bfc\u7684\u4e92\u53d8\u5f02\u6784\u5728\u5149\u7535\u6d41\u6210\u50cf\u4e2d\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u56e0\u6b64\u4e0e\u4e4b\u76f8\u6bd4\u7684\u6697\u7535\u6d41\u56fe\u50cf\u4e5f\u5e94\u8be5\u662f\u4e24\u4e2a\u4e92\u53d8\u5f02\u6784\u4f53\u7684\u5e73\u5747\u503c\u3002<\/p>\n<p style=\"text-align: center;\"><strong>\u56fe<\/strong><strong>3. FBPc <\/strong><strong>\u5206\u5b50\u4e2d\u4ea7\u751f\u5149\u7535\u6d41\u7684\u673a\u5236<\/strong><strong> \u00a9<\/strong><strong> Nature (2022)<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.springernature.com\/full\/springer-static\/image\/art%3A10.1038%2Fs41586-022-04401-0\/MediaObjects\/41586_2022_4401_Fig3_HTML.png\" alt=\"Fig. 3\" \/><\/p>\n<p>(a)\uff0c\u5728\u6fc0\u5149\u7167\u5c04\u4e0b\uff0c\u5c16\u7aef\u4f4d\u4e8e FBPc \u5206\u5b50\u7684\u53f6(\u84dd\u8272)\u6216\u8282\u70b9(\u7ea2\u8272)\u4e0a\u6d4b\u91cf\u7684 I-V \u66f2\u7ebf\u3002\u63d2\u56fe\u662f\u5728 V<sub>s<\/sub>\u2009=\u2009\u22122.1\u2009V \u5904\u6d4b\u91cf\u7684 FBPc \u5206\u5b50\u7684\u6697\u7535\u6d41\u56fe\u50cf\uff0c\u663e\u793a\u4e86 STM \u5c16\u7aef\u4f4d\u7f6e\u3002\u5165\u5c04\u6fc0\u5149\u80fd\u91cf\u4e3a1.8150\u2009eV\uff0c\u529f\u7387\u4e3a77\u2009\u03bcW\u3002<\/p>\n<p>(b)\uff0c\u6fc0\u5149\u5f00\u542f\u6761\u4ef6\u4e0b\u5728 V<sub>s<\/sub>\u2009=\u2009\u22120.25\u2009V \u5904\u83b7\u5f97\u7684\u5149\u7535\u6d41\u56fe\u50cf(\u56fe\u50cf\u5c3a\u5bf8\uff0c3.0\u2009nm\u2009\u00d7\u20093.0\u2009nm)\u3002\u6fc0\u5149\u80fd\u91cf\u4e3a1.8150\u2009eV\uff0c\u529f\u7387\u4e3a77\u2009\u03bcW\u3002\u84dd\u8272\u548c\u7ea2\u8272\u5206\u522b\u8868\u793a\u4ece\u57fa\u677f\u5230\u5c16\u7aef\u7684\u7535\u6d41\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u6cbf\u865a\u7ebf\u7684\u7ebf\u8f6e\u5ed3\u663e\u793a\u5728\u56fe\u50cf\u4e0b\u65b9\u3002<\/p>\n<p>(c)\uff0cFBPc\/NaCl(4ML)\/Ag(111)\u4f53\u7cfb\u5728\u6fc0\u5149\u7167\u5c04\u4e0b\u7684I-V\u66f2\u7ebf\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<p>(d)\uff0ce\u4e2d\u6240\u793a\u7684\u6bcf\u4e2a\u591a\u4f53\u72b6\u6001\u8dc3\u8fc1\u5bf9\u5149\u7535\u6d41(c \u4e2d\u6240\u793a\u7684\u84dd\u8272\u66f2\u7ebf)\u7684\u8d21\u732e\uff0c\u4f5c\u4e3a V<sub>s<\/sub> \u7684\u51fd\u6570\u3002<\/p>\n<p>(e)\uff0c\u5728 NaCl(4ML)\/Ag(111) \u4e0a\u7684 FBPc \u5206\u5b50\u4e2d\u4ea7\u751f\u5149\u7535\u6d41\u7684\u793a\u610f\u56fe\u3002 \u7ea2\u8272\u548c\u84dd\u8272\u7bad\u5934\u5206\u522b\u663e\u793a\u4ea7\u751f\u8d1f\u5149\u7535\u6d41\u548c\u6b63\u5149\u7535\u6d41\u7684\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\u3002 \u57fa\u677f(\u7070\u8272)\u548c\u5c16\u7aef(\u9ec4\u8272)\u5217\u7684\u6700\u9ad8\u4f4d\u7f6e\u4ee3\u8868 E<sub>F<\/sub> \u7684\u503c\u3002<\/p>\n<p style=\"text-align: center;\"><strong>\u56fe<\/strong><strong>4. <\/strong><strong>\u5149\u7535\u5b50\u80fd\u91cf\u8f6c\u6362\u7684\u91cf\u5b50\u6548\u7387\u63a7\u5236<\/strong><strong> \u00a9 Nature (2022)<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.springernature.com\/full\/springer-static\/image\/art%3A10.1038%2Fs41586-022-04401-0\/MediaObjects\/41586_2022_4401_Fig4_HTML.png\" alt=\"Fig. 4\" \/><\/p>\n<p>(a)\uff0c\u5355\u5206\u5b50\u5149\u7535\u6d41\u548c\u5149\u81f4\u53d1\u5149(PL)\u6d4b\u91cf\u7684\u5b9e\u9a8c\u88c5\u7f6e\u793a\u610f\u56fe\u3002<\/p>\n<p>(b)\uff0cFBPc \u5206\u5b50\u7684\u53bb\u6fc0\u53d1\u8fc7\u7a0b\uff1aPET(\u7ea2\u8272)\u6d89\u53ca\u4ece\u5149\u6fc0\u53d1\u5206\u5b50\u5230 STM \u5c16\u7aef\u7684\u7535\u5b50\u8f6c\u79fb\uff0c\u800c\u5149\u81f4\u53d1\u5149(\u84dd\u8272)\u6d89\u53ca\u4ece LUMO \u5230 HOMO \u7684\u7535\u5b50\u8dc3\u8fc1\u3002<\/p>\n<p>(c)\uff0c\u5728 V<sub>s\u2009<\/sub>=\u2009\u22122.0\u2009V \u7684\u5149\u7535\u6d41(\u4e0a\uff0c\u7ea2\u8272)\u548c\u5149\u81f4\u53d1\u5149(\u4e0b\uff0c\u84dd\u8272)\u7684\u6fc0\u53d1\u5149\u8c31\u3002\u5149\u7535\u6d41\u548c\u5149\u81f4\u53d1\u5149\u4fe1\u53f7\u7684\u5f3a\u5ea6\u9488\u5bf9\u5165\u5c04\u6fc0\u5149\u5f3a\u5ea6(\u7ea6 10\u2009\u03bcW)\u8fdb\u884c\u5f52\u4e00\u5316\u3002\u901a\u8fc7\u6253\u5f00\u53cd\u9988\u56de\u8def\u6765\u4fdd\u6301\u5c16\u7aef &#8211; \u57fa\u677f\u8ddd\u79bb\u3002\u63d2\u56fe\u663e\u793a\u4e86\u6d4b\u91cf\u671f\u95f4\u7684 STM \u5c16\u7aef\u4f4d\u7f6e\u3002<\/p>\n<p>(d\uff0ce)\uff0c\u5149\u7535\u6d41(\u7ea2\u8272)\u548c\u5149\u81f4\u53d1\u5149(\u84dd\u8272)\u76f8\u5bf9\u4e8e\u5c16\u7aef-FBPc \u8ddd\u79bb\u7684\u56fe\u3002\u5149\u81f4\u53d1\u5149\u5f3a\u5ea6\u4ee5\u5bf9\u6570\u6807\u5ea6\u7ed8\u5236\u3002\u5149\u7535\u6d41\u548c\u5149\u81f4\u53d1\u5149\u7684\u503c\u662f PCE \u548c PLE \u5149\u8c31\u4e2d\u7535\u5b50\u6fc0\u53d1\u7684\u5cf0\u503c\u9ad8\u5ea6\uff0c\u5728 V<sub>s\u2009<\/sub>=\u2009\u22122.0\u2009V \u5904\u6d4b\u91cf\u5404\u79cd\u5c16\u7aef-\u5206\u5b50\u5206\u79bb(I<sub>power<\/sub>\u2009\u2248\u200910\u2009\u03bcW \u548c t\u2009=\u20090.5\u2009s)\u3002\u63d2\u56fe\u663e\u793a STM \u56fe\u50cf(3.0\u2009nm\u2009\u00d7\u20093.0\u2009nm)\uff0c\u5176\u4e2d\u6d4b\u91cf\u671f\u95f4\u7684 STM \u5c16\u7aef\u4f4d\u7f6e\u7531\u9ed1\u70b9\u8868\u793a\u3002\u8fd9\u4e9b\u56fe\u662f\u901a\u8fc7\u5c06 STM \u5c16\u7aef\u653e\u7f6e\u5728\u5206\u5b50 (d) \u4e0a\u548c\u5206\u5b50\u5916\u90e8 (e) \u751f\u6210\u7684\u3002<\/p>\n<p><strong>\u516d\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/strong><\/p>\n<p>\u603b\u4e4b\uff0c\u4f5c\u8005\u7684\u89c2\u5bdf\u6e05\u695a\u5730\u8bc1\u660e\u4e86\u5149\u7535\u6d41\u7684\u4ea7\u751f\u53d7\u6fc0\u53d1\u6001\u7684\u524d\u6cbf\u5206\u5b50\u8f68\u9053\u53ca\u5176\u4e0e\u91d1\u5c5e\u7535\u6781\u7684\u8026\u5408\u63a7\u5236\u3002\u56e0\u6b64\uff0c\u62a5\u544a\u7684\u5149\u7535\u6d41\u56fe\u50cf\u53cd\u6620\u4e86\u88ab\u63a2\u6d4b\u5206\u5b50\u7684\u7535\u5b50\u6fc0\u53d1\u6001\u7684\u7a7a\u95f4\u5206\u5e03\uff0c\u4f5c\u8005\u9884\u8ba1\u4ed6\u4eec\u7684\u6280\u672f\u5c06\u666e\u904d\u9002\u7528\u4e8e\u6fc0\u53d1\u5206\u5b50\u6001\u7684\u539f\u5b50\u7ea7\u53ef\u89c6\u5316\uff0c\u8fd9\u5728\u4ee5\u524d\u62a5\u9053\u7684\u5fae\u89c2\u6280\u672f\u4e2d\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u8be5\u5de5\u4f5c\u4e3a\u901a\u8fc7\u5206\u5b50\u754c\u9762\u7684\u539f\u5b50\u7ea7\u7535\u5b50\u548c\u51e0\u4f55\u5de5\u7a0b\u63d0\u9ad8\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u63d0\u4f9b\u65b0\u7684\u89c6\u89d2\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5: Imai-Imada, M., Imada, H., Miwa, K. et al. Orbital-resolved visualization of single-molecule photocurrent channels. Nature 603, 829\u2013834 (2022). https:\/\/doi.org\/10.1038\/s41586-022-04401-0.<\/p>\n<p>\u672c\u6587\u7531MichstaBe\u6587\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u80cc\u666f\u4ecb\u7ecd \u6765\u81ea\u6fc0\u53d1\u5206\u5b50\u7684\u5149\u8bf1\u5bfc\u7535\u5b50\u8f6c\u79fb(PET)\u5728\u5149\u80fd\u5229\u7528\u65b9\u9762\u5177\u6709\u6838\u5fc3\u4f5c\u7528\uff0c\u5df2\u88ab\u5e7f\u6cdb\u7814\u7a76\u3002\u7136\u800c\uff0c\u6765\u81ea\u5149\u6fc0\u53d1\u5206\u5b50\u7684PET\u4fe1\u53f7\u901a\u5e38\u88ab\u4e0d\u5747\u5300\u5c40\u90e8\u7ed3\u6784\u7684\u6574\u4f53\u5e73\u5747\u6240\u63a9&#8230;<\/p>\n","protected":false},"author":34745,"featured_media":235374,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,67],"tags":[4839,4805,4837,4838],"class_list":["post-235366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-zhoubao","tag-4839","tag-4805","tag-4837","tag-4838"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/235366"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/34745"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=235366"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/235366\/revisions"}],"predecessor-version":[{"id":235580,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/235366\/revisions\/235580"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/235374"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=235366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=235366"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=235366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}