{"id":233132,"date":"2022-02-20T12:00:22","date_gmt":"2022-02-20T04:00:22","guid":{"rendered":"\/\/m.iemloyee.com\/?p=233132"},"modified":"2022-02-19T10:11:09","modified_gmt":"2022-02-19T02:11:09","slug":"%e5%86%af%e5%bb%ba%e4%b8%9csci-adv-%ef%bc%9a%e7%9f%b3%e5%a2%a8%e7%83%af%e7%ba%b3%e7%b1%b3%e5%ad%94%e4%b8%ad%e7%9a%84%e9%9d%9e%e7%ba%bf%e6%80%a7%e7%94%b5%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e7%a6%bb","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=233132","title":{"rendered":"\u51af\u5efa\u4e1cSci. Adv.\uff1a\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u4e2d\u7684\u975e\u7ebf\u6027\u7535\u6d41\u4f53\u52a8\u529b\u79bb\u5b50\u8f93\u8fd0"},"content":{"rendered":"

\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n

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

\u8fd1\u65e5\uff0c\u6d59\u6c5f\u5927\u5b66\u51af\u5efa\u4e1c\u6559\u6388\u56e2\u961f<\/strong>\u62a5\u5bfc\u4e86\u5177\u6709\u975e\u7ebf\u6027\u7535\u6d41\u4f53\u52a8\u529b\u5b66\u8026\u5408\u7684\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u4e2d\u5b9e\u73b0\u4e86\u901a\u8fc7\u538b\u529b\u8c03\u63a7\u5b9e\u73b0\u79bb\u5b50\u4f20\u8f93\uff0c\u5b9e\u73b0\u4e86\u975e\u7ebf\u6027\u7684\u7535\u6d41\u4f53\u52a8\u529b\u5b66\u8026\u5408\u3002\u7814\u7a76\u4eba\u5458\u53d1\u73b0\u5728\u538b\u529b\u4f5c\u7528\u4e0b\uff0c\u79bb\u5b50\u5bfc\u7535\u6027\u4ece\u975e\u5e38\u4f4e\u663e\u8457\u63d0\u9ad8\u81f3204.5 %\uff0c\u8fd9\u79cd\u5b9e\u9a8c\u7ed3\u679c\u4e2d\u663e\u8457\u63d0\u9ad8\u7684\u79bb\u5b50\u5bfc\u7535\u6027\u65e0\u6cd5\u901a\u8fc7\u7ecf\u5178\u7684\u5206\u5b50\u6d41\uff08molecular streaming\uff09\u4e0e\u7535\u538b\u9a71\u52a8\u79bb\u5b50\u4f20\u8f93\u4e4b\u95f4\u7684\u8026\u5408\u9a8c\u8bc1\u3002\u7406\u8bba\u8ba1\u7b97\u8868\u660e\u8fd9\u79cd\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u7684\u538b\u529b\u54cd\u5e94\u6765\u81ea\u4e8e\u77f3\u58a8\u70ef\u8868\u9762\u9644\u8fd1\u7684\u79bb\u5b50\u805a\u96c6\u3002\u672c\u7814\u7a76\u7ed3\u679c\u6709\u52a9\u4e8e\u589e\u52a0\u7eb3\u7c73\u5b54\u79bb\u5b50\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u7535\u6d41\u4f53\u52a8\u529b\u5b66\u4f5c\u7528\uff0c\u4e3a\u63a7\u5236\u79bb\u5b50\u4f20\u8f93\u63d0\u4f9b\u65b0\u673a\u5236\u3002\u8be5\u8bba\u6587\u4ee5\u9898\u4e3a\u201cNonlinear electrohydrodynamic ion transport in graphene nanopores\u201d<\/strong>\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aSci. Adv.<\/strong><\/em>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

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

\u56fe\u4e00\u3001\u538b\u529b\u8c03\u8282\u4e0b\u7684\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54 \u00a9 2022 The Authors<\/span><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff0970 nm\u6c2e\u5316\u7845\uff08SiNx\uff09\u5b54\u9644\u7740\u77f3\u58a8\u70ef\u819c\u7684TEM\u56fe\u50cf\u00a0<\/p>\n

\uff08b\uff09\u77f3\u58a8\u70ef\u819c\u7684\u7535\u5b50\u884d\u5c04\u56fe\u00a0<\/p>\n

\uff08c\uff094 nm\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u7684\u7403\u5dee\u6821\u6b63TEM\u56fe\u50cf\u00a0<\/p>\n

\uff08d\uff09\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u4e2d\u538b\u529b\u96c6\u6210\u79bb\u5b50\u8f93\u8fd0\u7684\u793a\u610f\u56fe\u00a0<\/p>\n

\uff08e\uff09\u57281 M KCl\u6eb6\u6db2\u4e2d100 mV\u504f\u538b\u4e0b\u9010\u6b65\u538b\u529b\u4e0b\u7684\u79bb\u5b50\u7535\u6d41\u65f6\u95f4\u8f68\u8ff9<\/p>\n

\u56fe\u4e8c\u3001\u673a\u68b0\u654f\u611f\u79bb\u5b50\u5728\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u4e2d\u7684\u8fc1\u79fb\u00a0\u00a9 2022 The Authors<\/span><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u79bb\u5b50\u7535\u6d41\u4f5c\u4e3a0\u548c100 mV\u4e0b\u65bd\u52a0\u538b\u529b\u7684\u51fd\u6570\u00a0<\/p>\n

\uff08b\uff09\u4f5c\u4e3a\u65bd\u52a0\u538b\u529b\u7684\u51fd\u6570\u6d4b\u91cf\u7684I-V<\/em>\u66f2\u7ebf\u00a0<\/p>\n

\uff08c\uff09\u79bb\u5b50\u7535\u5bfc\u968f\u7740\u65bd\u52a0\u7684\u538b\u529b\u800c\u589e\u52a0\u00a0<\/p>\n

\uff08d\uff09\u5728-100\u548c100 mV\u7684\u4e0d\u540c\u538b\u529b\u4e0b\u7684\u6d41\u52a8\u7535\u6d41\u65f6\u95f4\u8f68\u8ff9\u00a0<\/p>\n

\uff08e\uff09\u6d41\u52a8\u7535\u6d41\u4f5c\u4e3a0 mV\u65f6\u65bd\u52a0\u538b\u529b\u7684\u51fd\u6570\u00a0<\/p>\n

\uff08f\uff09\u79bb\u5b50\u7535\u6d41\u4f5c\u4e3a100 mV\u65f6\u65bd\u52a0\u538b\u529b\u7684\u51fd\u6570\u00a0<\/p>\n

\u56fe\u4e09\u3001\u4e0d\u540c\u79bb\u5b50\u73af\u5883\u7684\u673a\u68b0\u654f\u611f\u7535\u5bfc\u00a0\u00a9 2022 The Authors<\/span><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff097.1 nm\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u5668\u4ef6#3\u5728\u4e0d\u540cpH\uff08pH = 3.0\uff0c5.5\u548c8.9\uff09\u6761\u4ef6\u4e0b\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387G<\/em>str<\/sub>\/G<\/em>0\u00a0<\/sub><\/p>\n

\uff08b\uff097.5 nm\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u5668\u4ef6#4\u5728\u4e0d\u540c\u79bb\u5b50\u6d53\u5ea6\uff080.01\uff0c0.1\u548c1 M KCl\uff09\u4e0b\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387G<\/em>str<\/sub>\/G<\/em>0<\/sub><\/p>\n

\uff08c\uff09\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387\u4e0e\u5b54\u5f84\u5c3a\u5bf8\uff081.7-9.8 nm\uff0c\u5668\u4ef6#6\uff09\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n

\uff08d\uff097.2 nm\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u5668\u4ef6#5\u5728\u4e0d\u540cpH\uff08pH = 3.0\uff0c5.5\u548c8.9\uff09\u6761\u4ef6\u4e0b\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387G<\/em>str<\/sub>\/G<\/em>0<\/sub><\/p>\n

\uff08e\uff097.2 nm\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u5668\u4ef6#5\u5728\u4e0d\u540c\u79bb\u5b50\u6d53\u5ea6\uff080.01\uff0c0.1\u548c1 M KCl\uff09\u4e0b\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387G<\/em>str<\/sub>\/G<\/em>0<\/sub><\/p>\n

\uff08f\uff09\u673a\u68b0\u654f\u611f\u7535\u5bfc\u53d8\u5316\u7387\u4e0e\u5b54\u5f84\u5c3a\u5bf8\uff081.8-5.8 nm\uff0c\u5668\u4ef6#7\uff09\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n

\u56fe\u56db\u3001\u673a\u68b0\u654f\u611f\u79bb\u5b50\u4f20\u8f93\u7684\u5206\u5b50\u52a8\u529b\u5b66\uff08<\/strong>MD<\/strong>\uff09\u6a21\u62df\u00a0\u00a9 2022 The Authors<\/span><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5728\u7535\u4f4d\u5dee\u548c\u538b\u529b\u68af\u5ea6\u4f5c\u7528\u4e0b\uff0c\u79bb\u5b50\u901a\u8fc7\u5355\u5c42\u77f3\u58a8\u70ef\u7eb3\u7c73\u5b54\u4f20\u8f93\u7684\u6a21\u62df\u57df\u793a\u610f\u56fe<\/p>\n

\uff08b\uff09\u5728\u0394\u03d5=3 V\u548c\u0394p <\/em>= 200 MPa\u6761\u4ef6\u4e0b\u7a7f\u8fc7\u819c\u7684\u79bb\u5b50\u5bc6\u5ea6\u5206\u5e03<\/p>\n

\uff08c\uff09\u0394p <\/em>= 200 MPa\u819c\u4e0a\u7684\u51c0\u7535\u8377\u5bc6\u5ea6\u5206\u5e03<\/p>\n

\uff08d-e\uff09\uff08d\uff09\u0394\u03d5=3 V\u96f6\u538b\u504f\u538b\u548c\uff08e\uff09\u0394\u03d5=3 V\u3001\u0394p <\/em>= 200 MPa\u6761\u4ef6\u4e0b\u7eb3\u7c73\u5b54\u9644\u8fd1\u8f74\u5bf9\u79f0\u6c34\u5bc6\u5ea6\u548c\u901f\u5ea6\u77e2\u91cf\u7684\u53ef\u89c6\u5316\u56fe<\/p>\n

\uff08f-g\uff09\uff08f\uff09\u0394\u03d5=3 V\u96f6\u538b\u504f\u538b\u548c\uff08g\uff09\u0394\u03d5=3 V\u3001\u0394p <\/em>= 200 MPa\u6761\u4ef6\u4e0b\u8f74\u5bf9\u79f0\u51c0\u7535\u8377\u5206\u5e03\u548c\u7535\u6d41\u5bc6\u5ea6\u77e2\u91cf\u7684\u53ef\u89c6\u5316\u56fe<\/p>\n

\uff08h\uff09\u7535\u5bfc\u7387\u4e0e\u79fb\u52a8\u901f\u5ea6\u7684\u5173\u7cfb<\/p>\n

\uff08i\uff09\u4e0d\u540c\u79fb\u52a8\u901f\u5ea6\u7684\u7535\u6d41\u968f\u65f6\u95f4\u53d8\u5316<\/p>\n

\u3010\u7ed3\u8bba\u5c55\u671b\u3011<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aNonlinear electrohydrodynamic ion transport in graphene nanopores<\/a> ( Science Advances <\/em>2021<\/strong>, DOI: 10.1126\/sciadv.abj2510)<\/p>\n

\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\u3002<\/p>\n

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