{"id":252050,"date":"2023-06-14T06:27:09","date_gmt":"2023-06-13T22:27:09","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=252050"},"modified":"2023-06-13T20:38:14","modified_gmt":"2023-06-13T12:38:14","slug":"small-%e9%92%99%e9%92%9b%e7%9f%bf%e6%99%b6%e4%bd%93%e7%ae%a1%e4%b8%ad%e7%9a%84%e9%9d%9e%e7%90%86%e6%83%b3%e7%94%b5%e8%8d%b7%e8%be%93%e8%bf%90%e7%89%b9%e6%80%a7%e8%b5%b7%e6%ba%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=252050","title":{"rendered":"Small: \u9499\u949b\u77ff\u6676\u4f53\u7ba1\u4e2d\u7684\u975e\u7406\u60f3\u7535\u8377\u8f93\u8fd0\u7279\u6027\u8d77\u6e90"},"content":{"rendered":"<p><strong>\u4e00\u3001<\/strong> <strong>\u3010\u5bfc\u8bfb\u3011<\/strong><strong>\u00a0 <\/strong><\/p>\n<p>\u79bb\u5b50\u8fc1\u79fb\u73b0\u8c61\u4ecd\u662f\u4e3b\u8981\u5f71\u54cd\u9499\u949b\u77ff\u5149\u7535\u5668\u4ef6\u7a33\u5b9a\u6027\u7684\u56e0\u7d20\u3002\u901a\u8fc7\u949d\u5316\u7f3a\u9677\u7684\u7b56\u7565\u53ef\u5c06\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684ECE\u63d0\u5347\u523025%\u4ee5\u4e0a\u3002\u76ee\u524d\u88ab\u62a5\u5bfc\u7684\u9499\u949b\u77ff\u573a\u6548\u5e94\u7ba1(FETs)\u7684\u8fc1\u79fb\u7387\u65e9\u5df2\u8d85\u8fc71cm<sup>2<\/sup>\/Vs\uff0c\u4f46\u79bb\u5b50\u8fc1\u79fb\u5bfc\u81f4\u7684\u4e0d\u7a33\u5b9a\u6027\u4f9d\u7136\u4e9f\u5f85\u514b\u670d\uff0c\u5c24\u5176\u662fFET\u5668\u4ef6\u7684\u504f\u538b\u7a33\u5b9a\u6027 (bias-stress stability)\u3002\u94c5\u57fa (APbX<sub>3<\/sub>) \u9499\u949b\u77ff\u7684\u504f\u538b\u7a33\u5b9a\u6027\u4ecd\u65e0\u6cd5\u4e0e\u5e38\u7528\u6709\u673a\u6676\u4f53\u7ba1\u76f8\u5ab2\u7f8e\u3002\u9499\u949b\u77ff\u7684\u975e\u7406\u60f3\u7535\u8377\u8f93\u8fd0\u7279\u5f81 (non-idealities)\u8f83\u4e3a\u590d\u6742\uff0c\u9664\u4e86\u79bb\u5b50\u8fc1\u79fb\u7684\u8d21\u732e\uff0c\u4e5f\u4e0e\u7535\u6781\/\u534a\u5bfc\u4f53\u754c\u9762\u7684\u7a33\u5b9a\u6027\u7d27\u5bc6\u76f8\u5173\u3002<\/p>\n<p>\u4e8c\u3001\u3010<strong>\u6210\u679c\u63a0\u5f71<\/strong>\u3011<\/p>\n<p>\u8fd1\u65e5\uff0c\u5251\u6865\u5927\u5b66\u7269\u7406\u7cfbHenning Sirringhaus\u56e2\u961f\u5728\u671f\u520a<em>Small<\/em>\u4e0a\u53d1\u8868\u9898\u4e3a \u201c<em>Direct Observation of Contact Reaction Induced Ion Migration and its Effect on Non-Ideal Charge Transport in Lead Triiodide Perovskite Field-Effect Transistors<\/em>\u201d\u7684\u8bba\u6587\u3002 \u8be5\u5de5\u4f5c\u805a\u7126n-\u578b\u4e09\u5143\u9633\u79bb\u5b50\u7898\u5316\u94c5\u9499\u949b\u77ff(CsFAMAPbI<sub>3<\/sub>)\u573a\u6548\u5e94\u7ba1\u4e2d\u7535\u8377\u8f93\u8fd0\u7684\u975e\u7406\u60f3\u7279\u6027\uff0c\u5728\u5668\u4ef6\u5c42\u9762\u76f4\u63a5\u89c2\u6d4b\u5230\u504f\u538b\u4e0b\u63a5\u89e6\u91d1\u5c5e\u7535\u6781\u539f\u5b50\u7684\u7535\u5316\u5b66\u8fc1\u79fb\u73b0\u8c61\uff0c\u8fd9\u79cd\u8fc1\u79fb\u5bfc\u81f4\u4e86\u5668\u4ef6\u7684n-\u578b\u63ba\u6742\u548c\u4e0d\u65ad\u5347\u9ad8\u7684\u7535\u6d41\u548c\u8fc1\u79fb\u7387\u3002\u8be5\u5de5\u4f5c\u7814\u7a76\u4e86\u7535\u6781\u6750\u6599\u529f\u51fd\u6570\u548c\u7898\u5316\u94c5\u8fc7\u91cf\/\u7f3a\u4e4f\u60c5\u5f62\u5bf9FET\u5668\u4ef6\u504f\u538b\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\uff0c\u7cfb\u7edf\u5730\u89e3\u91ca\u4e86\u7535\u6781-\u9499\u949b\u77ff\u7535\u5316\u5b66\u53cd\u5e94\u548c\u5916\u6765\u91d1\u5c5e\u79bb\u5b50\u5f71\u54cdFET\u5668\u4ef6\u6027\u80fd\u7684\u673a\u7406\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252052\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72471-3.png\" alt=\"\" width=\"554\" height=\"256\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72471-3.png 554w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72471-3-300x139.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/p>\n<p><strong>\u00a0<\/strong><strong>\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n<p>1.\u89c2\u6d4b\u5230\u6e90-\u6f0f\u6781(S-D)\u6a2a\u5411\u504f\u538b\u4e0b\uff0c\u91d1\u7535\u6781\u9499\u949b\u77ffFET\u5668\u4ef6\u7684\u5f00\u6001\u7535\u6d41(on-state current)\u548c\u8fc1\u79fb\u7387\u4f1a\u968f\u7740\u8f6c\u79fb\u66f2\u7ebf\u6d4b\u8bd5\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\u800c\u4e0d\u65ad\u5347\u9ad8\u7684\u73b0\u8c61\uff0c\u547d\u540d\u4e3a\u201c\u7535\u6d41\u589e\u5f3a\u6548\u5e94\u201d (current build-up effect)\u3002<\/p>\n<p>2.\u6d4b\u8bd5\u4e86\u4e0d\u540c\u529f\u51fd\u6570\u7684\u63a5\u89e6\u7535\u6781(S-D contacts)\u5bf9\u7535\u6d41\u589e\u5f3a\u6548\u5e94\u7684\u5f71\u54cd\uff0c\u53d1\u73b0\u9ad8\u529f\u51fd\u6570(WF&gt;=Au)\u7535\u6781\u7684\u5668\u4ef6\u5728\u504f\u538b\u4e0b\u666e\u904d\u5177\u6709\u7535\u6d41\u589e\u5f3a\u6548\u5e94\uff0c\u4f4e\u529f\u51fd\u6570(WF&gt;=Au)\u7535\u6781\u5668\u4ef6\u7684\u7535\u6d41\u5219\u9010\u6e10\u8870\u51cf\u3002<\/p>\n<p>3.\u6d4b\u91cf\u4e86CsFAMAPbI<sub>3<\/sub>\u4e2d\u5316\u5b66\u8ba1\u91cf\u6570\uff08stoichiometry\uff09\u5bf9\u7535\u6d41\u589e\u5f3a\u6548\u5e94\u7684\u5f71\u54cd\u3002\u5bf9\u4e8e\u91d1\u7535\u6781\u5668\u4ef6\uff0c\u8fc7\u91cf(excess)\u6216\u7f3a\u4e4f(deficient)\u7684PbI<sub>2<\/sub>\u6210\u5206\u90fd\u4f1a\u5bfc\u81f4\u8f83\u4e3a\u663e\u8457\u7684\u7535\u6d41\u589e\u5f3a\u6548\u5e94\uff0c\u5176\u4e2d\u5c24\u4ee5\u8fc7\u91cfPbI<sub>2<\/sub>\u5e26\u6765\u7684\u7535\u6d41\u589e\u5f3a\u6548\u5e94\u6700\u4e3a\u663e\u8457\u3002\u5bf9\u4e8e\u94ec\u91d1\u5c5e\u7535\u6781\u5668\u4ef6\uff0c\u65e0\u8bbaPbI<sub>2<\/sub>\u8fc7\u91cf\u6216\u7f3a\u4e4f\u90fd\u4f1a\u53d1\u751f\u7535\u6d41\u8870\u51cf\u3002<\/p>\n<p>4.\u5bf9\u5668\u4ef6\u504f\u538b\u524d\u548c\u504f\u538b\u540e\u6c9f\u9053\u548c\u7535\u6781\u533a\u57df\u8fdb\u884c\u4e86PL mapping\u3002\u53d1\u73b0PL quenching\u666e\u904d\u5b58\u5728\uff0c\u5bf9\u4e8e\u91d1\u7535\u6781\u5668\u4ef6\u6700\u4e3a\u663e\u8457\uff0c\u7535\u6781\u533a\u57df\u548c\u6f0f\u6781(drain, +)\u9644\u8fd1PL\u5168\u90e8\u6dec\u706d\u3002\u4f46\u94ec\u7535\u6781\u5668\u4ef6\u7684\u7535\u6781\u533a\u57df\u4ecd\u4fdd\u6301\u8f83\u9ad8\u7684\u4fe1\u53f7\u4fe1\u53f7\uff0c\u6f0f\u6781(drain, +)\u9644\u8fd1\u7684\u6c9f\u9053\u4ec5\u6709\u5c0f\u8303\u56f4\u6dec\u706d\u3002<\/p>\n<p>5.\u5bf9\u504f\u538b\u8fc7\u7684\u5668\u4ef6\u7684\u7535\u6781\u754c\u9762\u533a\u57df\u8fdb\u884c\u4e86SEM\u5f62\u8c8c\u8868\u5f81\u548c\u5143\u7d20\u5206\u6790mapping\u3002\u53d1\u73b0\u5728\u91d1\u7535\u6781\u5668\u4ef6\u4e2d\uff0c\u6f0f\u6781(drain, +)\u9644\u8fd1\u7684\u6c9f\u9053\u53ef\u89c1\u91d1\u7eb3\u7c73\u9897\u7c92\uff0c\u6e90\u6781(source, -)\u9644\u8fd1\u65e0\u53d8\u5316\u3002\u4e14PbI<sub>2<\/sub>\u8fc7\u91cf\u65f6\u91d1\u7684\u8fc1\u79fb\u6700\u4e25\u91cd\uff0cPbI<sub>2<\/sub>\u7f3a\u4e4f\u7684\u60c5\u51b5\u4e0b\u91d1\u7684\u8fc1\u79fb\u76f8\u5bf9\u7f13\u6162\u3002\u5bf9\u4e8e\u4f4e\u529f\u51fd\u6570\u7684\u94ec\u7535\u6781\u5668\u4ef6\uff0c\u6f0f\u6781(drain,+)\u9644\u8fd1\u65e0\u53d8\u5316\uff0c\u6e90\u6781(source,-)\u754c\u9762\u5904\u6709\u94c5\u9897\u7c92\u7684\u5f62\u6210\u3002\u6700\u540e\u4ee5\u7535\u6781\u53cd\u5e94\u5bfc\u81f4\u7684\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742\u4e3a<\/p>\n<p><strong>\u00a0<\/strong><strong>\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252053\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72472-3.png\" alt=\"\" width=\"1269\" height=\"515\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72472-3.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72472-3-300x122.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72472-3-768x312.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72472-3-1024x416.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>\u56fe1.\u9499\u949b\u77ff\u573a\u6548\u5e94\u7ba1\u4e2d\u7684\u7535\u6d41\u5347\u9ad8\u6548\u5e94\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252054\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72473-3.png\" alt=\"\" width=\"1269\" height=\"740\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72473-3.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72473-3-300x175.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72473-3-768x448.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72473-3-1024x597.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>\u56fe2.\u4e0d\u540c\u529f\u51fd\u6570\u7684\u7535\u6781\u5668\u4ef6\u4e2d\u7684\u7535\u6d41\u589e\u5f3a\u548c\u8870\u51cf\u73b0\u8c61\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252056\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72474-3.png\" alt=\"\" width=\"1269\" height=\"961\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72474-3.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72474-3-300x227.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72474-3-768x582.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72474-3-1024x775.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe3. \u9499\u949b\u77ff\u5316\u5b66\u8ba1\u91cf\u6570\uff08PbI2-to-CsFAMAI ratio\uff09\u5bf9\u91d1\u7535\u6781\u5668\u4ef6\u548c\u94ec\u7535\u6781\u5668\u4ef6\u4e2d\u7535\u6d41\u589e\u5f3a\u548c\u8870\u51cf\u73b0\u8c61\u7684\u5f71\u54cd\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252057\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72475-2.png\" alt=\"\" width=\"1269\" height=\"651\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72475-2.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72475-2-300x154.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72475-2-768x394.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72475-2-1024x525.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe4. \u4e0d\u540cPbI2-to-CsFAMAI ratio\u6210\u5206\u9499\u949b\u77ff\u7684 XRD\u548cSEM\u5f62\u8c8c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252058\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72476-2.png\" alt=\"\" width=\"1269\" height=\"949\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72476-2.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72476-2-300x224.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72476-2-768x574.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72476-2-1024x766.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>\u56fe5.\u504f\u538b\u540e\u7684\u539f\u4f4dPL mapping\u8868\u5f81\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252060\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72477-2.png\" alt=\"\" width=\"1269\" height=\"1134\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72477-2.png 1269w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72477-2-300x268.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72477-2-768x686.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72477-2-1024x915.png 1024w\" sizes=\"(max-width: 1269px) 100vw, 1269px\" \/><\/p>\n<p>\u56fe6. \u5668\u4ef6\u5faa\u73af\u540e\uff0c\u63a5\u89e6\u7535\u6781\u754c\u9762\u5904\uff08\u6a2a\u5411\uff09\u7684\u5f62\u8c8c\u548cEDX mapping\uff0c\u4ee5\u53ca\u673a\u7406\u5f52\u7eb3\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252059\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72478-2.png\" alt=\"\" width=\"502\" height=\"482\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72478-2.png 502w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/06\/\u56fe\u72478-2-300x288.png 300w\" sizes=\"(max-width: 502px) 100vw, 502px\" \/><\/p>\n<p>\u56fe7. \u76ee\u5f55\u5bfc\u89c8: 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