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300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/2-3-768x578.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/2-3-1024x771.png 1024w\" sizes=\"(max-width: 1035px) 100vw, 1035px\" \/><\/p>\n<p><strong>\u56fe1. \u57fa\u4e8e\u77f3\u58a8\u70ef\u573a\u6548\u5e94\u6676\u4f53\u7ba1\uff08GFET\uff09\u4f20\u611f\u5668\u9635\u5217\u7684\u6676\u5706\u7eb3\u7c73\u5236\u9020\u548c\u529f\u80fd\u5316\u3002a \u793a\u610f\u6027\u7684\u7eb3\u7c73\u5236\u9020\u7b56\u7565\uff0c\u4f7f\u7528\u963b\u6297\u6d4b\u91cf\u8fdb\u884c\u8bbe\u5907\u9884\u7b5b\u9009\uff08\u6545\u969c\u8bca\u65ad\uff09\uff0c\u4ee5\u6700\u5c0f\u5316\u8bbe\u5907\u53d8\u5f02\uff0c\u4ee5\u5b9e\u73b0\u63a5\u8fd1\u7406\u60f3\u7684\u54cd\u5e94\u6a21\u5f0f\u3002\u6d4b\u8bd5\/\u5206\u6790\u7a0b\u5e8f\u7684\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u4ee5\u793a\u610f\u56fe\uff08i-v\uff09\u7684\u5f62\u5f0f\u663e\u793a\uff0c\u5177\u6709\u76f8\u5e94\u7684\u63cf\u8ff0\u5728\u63d2\u56fe\u4e2d\u3002b \u6c27\u5316\u77f3\u58a8\u70ef\uff08GO\uff09\u5206\u6563\u6db2\u5230\u6574\u4e2a\u6676\u5706\u57fa\u5e95\uff0c\u7528\u4e8e\u6c89\u79ef\u56fe\u6848\u5316\u7535\u6781\u3002\u7167\u7247\u663e\u793a\u4e86\u5207\u5272\u540e\u7684\u6676\u5706\u5c3a\u5bf8\u4f20\u611f\u5668\u8bbe\u5907\u4ee5\u53ca\u8868\u9762\u4e0a\u5e26\u6709\u6d4b\u8bd5\u6eb6\u6db2\u6db2\u6ef4\u7684\u5355\u4e2a\u8bbe\u5907\u3002c rGO\u57faFET\u4f20\u611f\u5668\u5668\u4ef6\u7684\u7eb3\u7c73\u5236\u9020\u6b65\u9aa4\u5305\u62ec\u7535\u5b50\u675f\u5149\u523b\u6cd5\u6c89\u79ef\u7535\u6781\u3001\u4f7f\u7528\u7535\u5b50\u675f\u5149\u523b\u6cd5\u5728\u7535\u6781\u4e0a\u6c89\u79efSiO<sub>2<\/sub>\u4fdd\u62a4\u5c42\u30013nm\u539f\u5b50\u5c42\u6c89\u79ef\uff08ALD\uff09\u884d\u751f\u7684Al<sub>2<\/sub>O<sub>3<\/sub>\u4f5c\u4e3a\u9876\u5c42\u6805\u6c27\u5316\u7269\u3001\u6e85\u5c04Au\u7eb3\u7c73\u9897\u7c92\uff08NPs\uff09\u4f5c\u4e3a\u63a2\u9488\u7684\u951a\u5b9a\u4f4d\u70b9\uff0c\u4ee5\u53ca\u63a2\u9488\u7684\u529f\u80fd\u5316\u3002d \u4f20\u611f\u5668\u7684\u7279\u5b9a\u751f\u7269\u5316\u5b66\u548c\u6297\u4f53\u63a2\u9488\u7684\u63a2\u9488\u529f\u80fd\u5316\u7684\u793a\u610f\u6b65\u9aa4\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254952\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/3-3.png\" alt=\"\" width=\"908\" height=\"858\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/3-3.png 908w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/3-3-300x283.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/3-3-768x726.png 768w\" sizes=\"(max-width: 908px) 100vw, 908px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>2. <\/strong><strong>\u4ea4\u6d41\uff08<\/strong><strong>AC<\/strong><strong>\uff09\u963b\u6297\u8c31\u7528\u4e8e\u9694\u79bb\u975e\u7406\u60f3\u8bbe\u5907\u7684\u76f8\u5173\u53c2\u6570\u3002<\/strong><strong>a <\/strong><strong>\u901a\u9053\u7535\u963b\uff08<\/strong><strong>R<sub>CH<\/sub><\/strong><strong>\uff09<\/strong><strong>&#8211;<\/strong><strong>\u7535\u5bb9\uff08<\/strong><strong>C<sub>DL<\/sub><\/strong><strong>\uff09\u5bf9\u548c\u7406\u60f3\u8bbe\u5907\u7684\u63a5\u89e6\u7535\u963b\uff08<\/strong><strong>R<sub>CR<\/sub><\/strong><strong>\uff09\u548c\u7535\u5bb9\uff08<\/strong><strong>C<sub>C<\/sub><\/strong><strong>\uff09\u5bf9\u7684\u793a\u610f\u7b49\u6548\u7535\u8def\u6a21\u578b\uff0c\u4ee5\u53ca\u5e26\u6709\u7f3a\u9677\u7684\u975e\u7406\u60f3\u8bbe\u5907\uff08\u7ea2\u8272\u5706\u5708\uff09\u7531\u4e8e\u91d1<\/strong><strong>&#8211;<\/strong><strong>\u63a2\u9488\u590d\u5408\u7269\u4ea7\u751f\u7684\u7535\u573a\u5bfc\u81f4\u901a\u9053\u4e2d\u7684\u7535\u8377\u6355\u83b7\u3002<\/strong><strong>b<\/strong><strong>\u3001<\/strong><strong>c Nyquist<\/strong><strong>\u56fe\u8868\u793a\u5206\u522b\u7528\u4e8e\u7406\u60f3\u8bbe\u5907\uff08\u7c7b\u4f3c\u7406\u60f3\uff09\u548c\u975e\u7406\u60f3\u8bbe\u5907\uff08\u5e26\u6709\u7f3a\u9677\uff09\u7684\u963b\u6297\u8c31\u62df\u5408\u3002\u5b9e\u9a8c\u6570\u636e\u70b9\uff08\u9ec4\u8272\uff09\u7684\u70b9\u548c\u62df\u5408\u66f2\u7ebf\uff08\u8910\u8272\u3001\u7eff\u8272\u548c\u84dd\u8272\uff09\u7684\u5b9e\u7ebf\u3002<\/strong><strong>d-f <\/strong><strong>\u663e\u793a\u4e86<\/strong><strong>Pb<sup>2+<\/sup><\/strong><strong>\u79bb\u5b50\u66dd\u9732\u7684\u54cd\u5e94\u77ac\u6001\u7684\u5178\u578b\u6a21\u5f0f\uff0c\u5176\u4e2d<\/strong><strong>d<\/strong><strong>\u662f\u7406\u60f3\u8bbe\u5907\uff0c<\/strong><strong>e<\/strong><strong>\u3001<\/strong><strong>f<\/strong><strong>\u662f\u975e\u7406\u60f3\u8bbe\u5907\u3002\u54cd\u5e94\u76f8\u5bf9\u4e8e\u7a7a\u6c14\u4e2d\u7684\u57fa\u7ebf\uff0c\u5e76\u6807\u51c6\u5316\u4e3a<\/strong><strong>Pb<sup>2+<\/sup><\/strong><strong>\u79bb\u5b50\u6eb6\u6db2\u4e2d\u7684\u5cf0\u503c\u3002\u5728<\/strong><strong>Pb<sup>2+<\/sup><\/strong><strong>\u79bb\u5b50\u66dd\u9732\u4e4b\u524d\uff0c\u6dfb\u52a0\u4e86\u80cc\u666f\u6c34\u3002\u865a\u7ebf\uff08\u9ec4\u8272\u5706\u5708\uff09\u548c\u5b9e\u7ebf\uff08\u7eff\u8272\u548c\u7ea2\u8272\uff09\u5206\u522b\u4ee3\u8868\u5b9e\u9a8c\u6570\u636e\u70b9\u548c\u62df\u5408\u66f2\u7ebf\u3002<\/strong><strong>g <\/strong><strong>\u901a\u8fc7\u62df\u5408\u4f4e\u9891\u534a\u5706\u7684\u963b\u6297\u8c31\uff0c\u5c06\u7684\u5927\u5c0f\u63cf\u8ff0\u4e3a<\/strong><strong>E<sub>q<\/sub>.<\/strong><strong>\uff08<\/strong><strong>1<\/strong><strong>\uff09\u7684\u5e38\u6570\u76f8\u5143\uff08<\/strong><strong>CPE<\/strong><strong>\uff09\u53c2\u6570\u7684\u76f8\u5173\u6027\u3002<\/strong><strong>h <\/strong><strong>\u901a\u8fc7\u4f4e\u9891<\/strong><strong>Z<\/strong><strong>\u02ca<\/strong><strong>\/Z\u02dd<\/strong><strong>\u6bd4\u7387\u6d4b\u91cf\u6e05\u6670\u5730\u5c06\u7406\u60f3\u8bbe\u5907\u4e0e\u975e\u7406\u60f3\u8bbe\u5907\u5206\u79bb\u3002\u5728<\/strong><strong>g<\/strong><strong>\u548c<\/strong><strong>h<\/strong><strong>\u4e2d\u7684\u9634\u5f71\u533a\u57df\uff08\u6d45\u7ea2\u8272\u548c\u7eff\u8272\uff09\u663e\u793a\u4e86\u6765\u81ea\u975e\u7834\u574f\u6027\u6d4b\u8bd5\uff08<\/strong><strong>NDT<\/strong><strong>\uff09\u8fc7\u7a0b\u4f30\u7b97\u7684\u9884\u5148\u9009\u5b9a\u4f20\u611f\u5668\u7684\u975e\u7406\u60f3\u8bbe\u5907\u548c\u7406\u60f3\u8bbe\u5907\u7c7b\u522b\u7684\u76f8\u5e94\u533a\u57df\u3002\u5b9e\u7ebf\u84dd\u8272\u7ebf\uff08\u62df\u5408\uff09\u53ef\u7528\u4e8e\u6821\u51c6\u6b63\u5728\u6d4b\u8bd5\u7684\u65b0\u8bbe\u5907\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254953\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-3.png\" alt=\"\" width=\"1013\" height=\"753\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-3.png 1013w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-3-300x223.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/4-3-768x571.png 768w\" sizes=\"(max-width: 1013px) 100vw, 1013px\" \/><\/p>\n<p><strong>\u56fe3. GFET\u4f20\u611f\u5668\u7684\u566a\u58f0\u8c31\u6d4b\u91cf\u3002a \u7531\u4e8e\u901a\u9053-\u6805\u548c\u76ee\u6807\u5206\u6790\u7269\u5b58\u5728\u7f3a\u9677\u800c\u5bfc\u81f4\u76841\/f\u566a\u58f0\u80cc\u666f\u6f14\u5316\u7684\u793a\u610f\u8868\u793a\u3002\u5de6\u4e0a\u9762\u677f\u4e2d\u7684\u767d\u8272\u5706\u5708\u4ee3\u8868\u9876\u5c42\u6c27\u5316\u7269\u4e2d\u7684\u7f3a\u9677\uff0c\u800c\u5de6\u4e0a\u9762\u677f\u4e2d\u7684\u7eff\u8272\u5706\u5708\u662f\u7535\u6781\u6ce8\u5165\u901a\u9053\u7684\u8f7d\u6d41\u5b50\u3002\u53f3\u4fa7\u9762\u677f\u4e2d\u7684\u84dd\u8272\u4ee3\u8868\u7279\u5b9a\u7684\u7f3a\u9677\uff0c\u8d1f\u8d23\u4ea7\u751f\u590d\u5408\uff08GR\uff09-\u6d1b\u4f26\u5179\u9a7c\u5cf0\u3002\u7531\u4e8e\u5176\u8ddd\u79bb\u901a\u9053\uff08d<sub>1<\/sub>\u3001d<sub>2<\/sub>\u3001d<sub>3<\/sub>\u7b49\uff09\u7684\u4f4d\u7f6e\uff08\u6c34\u5e73\u865a\u7ebf\uff09\u786e\u5b9a\uff0c\u6bcf\u4e2a\u7f3a\u9677\u90fd\u5177\u6709\u5176\u72ec\u7279\u7684\u65f6\u95f4\u5e38\u6570\uff08\u03c4<sub>1<\/sub>\u3001\u03c4<sub>2<\/sub>\u3001\u03c4<sub>3<\/sub>\u7b49\uff0c\u7528\u4e0d\u540c\u957f\u5ea6\u7684\u5f69\u8272\u7bad\u5934\u8868\u793a\uff09\u548c\u552f\u4e00\u7684\u529f\u7387\u8c31\u5bc6\u5ea6\uff08PSD\uff09\uff0c\u5982\u4e0d\u540c\u989c\u8272\u7684PSD\u793a\u610f\u56fe\u4e2d\u7684\u865a\u7ebf\u66f2\u7ebf\u6240\u793a\u3002b\u3001c \u5728\u8d1f\uff080\u5230-40 V\uff09\u548c\u6b63\uff080-40 V\uff09\u5e95\u6805\u504f\u538b\u4e0b\u6d4b\u5f97\u7684\u7a7a\u6c14\u4e2d\u7684\u6f0f\u7535\u6d41\u566a\u58f0PSD\u3002d \u6e05\u6c34\u548c\u4e0d\u540c\u6d53\u5ea6\uff082.5\u548c10 ppb\uff09\u7684Pb<sup>2+<\/sup>\u79bb\u5b50\u6eb6\u6db2\u7684\u6f0f\u7535\u6d41\u566a\u58f0PSD\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254954\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/5-2.png\" alt=\"\" width=\"737\" height=\"693\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/5-2.png 737w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/10\/5-2-300x282.png 300w\" sizes=\"(max-width: 737px) 100vw, 737px\" \/><\/p>\n<p><strong>\u56fe4. \u5728\u6d41\u52a8\u6c34\u7cfb\u7edf\u4e2d\u5bf9GFET\u4f20\u611f\u5668\u9635\u5217\u8fdb\u884c\u7684\u6d4b\u91cf\u3002a \u8fde\u7eed\u611f\u6d4b\u7684\u793a\u610f\u5b9e\u9a8c\u88c5\u7f6e\u3002\u4f4d\u4e8e\u5ba4\u5185\u7684\u4f20\u611f\u5668\u9635\u5217\u7531\u805a\u4e8c\u7532\u57fa\u7845\u6c27\u70f7\uff08PDMS\uff09\u6a21\u5177\u5bc6\u5c01\uff0c\u4ece\u6e90\u6f0f\u63a5\u89e6\u5904\u5bc6\u5c01\u3002\u6c34\u7531\u538b\u7535\u9a6c\u8fbe\u5438\u5165\u4f20\u611f\u5668\u5ba4\uff0c\u7136\u540e\u8fde\u7eed\u6d41\u56de\u5916\u90e8\u5bb9\u5668\u6765\u6a21\u62df\u6c34\u7684\u6d41\u52a8\u3002b 3D\u6253\u5370\u5bc6\u5c01\u7684\u7167\u7247\uff0c\u4f20\u611f\u5668\u5d4c\u5165\u5176\u4e2d\u3002\u63d2\u56fe\u662f\u5668\u4ef6\u5185\u90e8\u3002c \u538b\u7535\u5fae\u9a6c\u8fbe\u7684\u7167\u7247\u4ee5\u53ca\u8fde\u63a5\u5230\u5bc6\u5c01\u4f20\u611f\u5668\u5ba4\u7684\u5916\u90e8\u6c34\u5bb9\u5668\u3002d-f 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