{"id":219710,"date":"2021-03-27T06:30:38","date_gmt":"2021-03-26T22:30:38","guid":{"rendered":"\/\/m.iemloyee.com\/?p=219710"},"modified":"2021-03-26T21:47:15","modified_gmt":"2021-03-26T13:47:15","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91acs-nano%ef%bc%9a%e5%9f%ba%e4%ba%8e%e8%b6%85%e5%a4%a7%e9%95%bf%e5%be%84%e6%af%94%e6%b0%ae%e5%8c%96%e7%a1%bc%e7%ba%b3%e7%b1%b3%e7%89%87%e7%9a%84%e5%8f%af","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=219710","title":{"rendered":"ACS Nano\uff1a\u57fa\u4e8e\u8d85\u5927\u957f\u5f84\u6bd4\u6c2e\u5316\u787c\u7eb3\u7c73\u7247\u7684\u53ef\u6298\u53e0\u5f0f\u9ad8\u5bfc\u70ed\u5300\u70ed\u819c"},"content":{"rendered":"
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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u5b81\u6ce2\u6750\u6599\u6240\u6797\u6b63\u5f97\u7814\u7a76\u5458\u3001\u6e56\u5357\u5927\u5b66\u9648\u9f0e\u6559\u6388\u3001\u4e2d\u79d1\u9662\u6df1\u5733\u5148\u7814\u9662\u9c81\u6d4e\u8c79\u526f\u7814\u7a76\u5458<\/b><\/strong>(\u5171<\/b><\/strong>\u540c\u901a\u8baf\u4f5c\u8005<\/b><\/strong>)<\/b><\/strong>\u4eba\u5f00\u53d1\u4e86\u4e00\u79cd\u57fa\u4e8e\u5fae\u5c04\u6d41\u6280\u672f\u5265\u79bb\u5236\u5907BNNS\u7684\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u4ea7\u7387\u9ad8(70 \u2013 76%)\uff0c\u6548\u7387\u597d\uff0c\u6240\u5f97\u7684BNNS\u957f\u5f84\u6bd4\u9ad8\u8fbe\u2248 1500\u3002\u7531\u8fd9\u79cdBNNS\u548c\u805a\u4e59\u70ef\u9187(PVA)\u57fa\u4f53\u901a\u8fc7\u62bd\u6ee4\u5236\u5907\u7684\u590d\u5408\u8584\u819c\uff0c\u5728BNNS\u542b\u91cf\u4e3a83 wt\uff05\u65f6\uff0c\u5e73\u9762\u5185\u70ed\u5bfc\u7387\u53ef\u8fbe67.6 W m-1<\/sup>\u00a0K-1<\/sup>\uff0c\u76f8\u8f83\u4e8e\u57fa\u4f53\u70ed\u5bfc\u7387\u63d0\u9ad8\u4e86\u2248 355\u500d\uff0c\u6bcf1 wt% BNNS\u5bf9\u70ed\u5bfc\u7387\u7684\u63d0\u9ad8\u5e45\u5ea6\u66f4\u662f\u8fbe\u5230\u4e86\u6781\u9ad8\u7684427%\uff0c\u5e76\u517c\u5177\u4f18\u826f\u7684\u529b\u5b66\u548c\u7535\u5b66\u6027\u80fd\u3002\u8be5\u590d\u5408\u8584\u819c\u4f5c\u4e3a\u5300\u70ed\u819c\u4f7f\u7528\u65f6\uff0c\u76f8\u8f83\u4e8e\u67d4\u6027\u8986\u94dc\u677f\uff0c\u5177\u6709\u66f4\u4f18\u8d8a\u7684\u6563\u70ed\u6027\u80fd\u3002\u4e0a\u8ff0\u6210\u679c\u4e3a\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u7684\u70ed\u7ba1\u7406\u6750\u6599\u5f00\u53d1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\uff0c\u5e76\u4ee5\u9898\u4e3a\u201cUltrahigh-Aspect-Ratio Boron Nitride Nanosheets Leading to Superhigh In-Plane Thermal Conductivity of Foldable Heat Spreader\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86ACS Nano<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe<\/b><\/strong>1 BNNS<\/b><\/strong>\u7684\u5f62\u8c8c\u548c\u7ed3\u6784\u8868\u5f81<\/b><\/strong> (a)\u5fae\u5c04\u6d41\u5de5\u827a\u8fc7\u7a0b\u53ca\u5176(b)\u6279\u91cf\u5316\u5236\u5907\u5c55\u793a\u3002125 MPa\u538b\u529b\u4e0b\u5236\u5907\u7684BNNS\u7684(c)\u00a0AFM\u3001(d)\u00a0TEM\u548c(e)\u00a0HR-TEM\u56fe\u50cf\u3002h<\/i><\/em>-BN\u548cBNNS(f)\u62c9\u66fc\u5149\u8c31\u3001(g) XRD\u3001(h) FTIR\u3001\u9ad8\u5206\u8fa8\u7387(i) B1s\u548c(j) N1s XPS\u5149\u8c31\u7684\u5bf9\u6bd4\u3002<\/p>\n \u56fe<\/b><\/strong>2 <\/b><\/strong>\u65bd\u52a0\u538b\u529b\u5bf9<\/b><\/strong>BNNS<\/b><\/strong>\u957f\u5f84\u6bd4\u7684\u5f71\u54cd<\/b><\/strong> \u4e0d\u540c\u65bd\u52a0\u538b\u529b\u4e0b\u5236\u5907\u7684BNNS\u7684(a\u2013d)\u00a0SEM\u53ca(e\u2013h)\u00a0AFM\u56fe\u50cf\u3002(i)\u00a075 MPa\u65bd\u52a0\u538b\u529b\u4e0b\u5236\u5907\u7684BNNS\u7684\u6a2a\u5411\u5c3a\u5bf8\u548c(j)\u539a\u5ea6\u5206\u5e03\u7edf\u8ba1\u3002(k)\u00a0BNNS\u7684\u7eb5\u6a2a\u6bd4\u548c\u53ca(l)\u4ea7\u7387\u4e0e\u65bd\u52a0\u538b\u529b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n \u56fe<\/b><\/strong>3 BNNS\/PVA<\/b><\/strong>\u590d\u5408\u8584\u819c\u7684\u5236\u5907\u4e0e\u8868\u5f81<\/b><\/strong> (a)\u62bd\u6ee4\u5236\u5907BNNS\/PVA\u590d\u5408\u8584\u819c\u7684\u8fc7\u7a0b\u793a\u610f\u56fe\u3002(b)\u590d\u5408\u8584\u819c\u5b9e\u7269\u7167\u7247\u53ca\u5176(c)\u00a0TGA\u66f2\u7ebf\u300283 wt%\u542b\u91cf\u4e0b(d)\u00a0BNNS-1000\/PVA\u548c(e\u2013g)\u00a0BNNS-1500\/PVA\u7684\u8868\u9762\u548c\u6a2a\u622a\u9762SEM\u56fe\u50cf\u3002<\/p>\n \u56fe<\/b><\/strong>4 BNNS\/PVA<\/b><\/strong>\u590d\u5408\u8584\u819c\u7684\u70ed\u5b66\u6027\u80fd<\/b><\/strong> 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wt%\u542b\u91cf\u4e0bBNNS-1500\/PVA\u590d\u5408\u8584\u819c\u5177\u6709(a)\u826f\u597d\u7684\u673a\u68b0\u5f3a\u5ea6\u548c(b)\u9ad8\u5ea6\u53ef\u6298\u53e0\u6027\uff0c(c)\u6613\u4e8e\u88c1\u5207\u6210\u578b\u3002(d)\u5faa\u73af\u5f2f\u66f2\u8bd5\u9a8c\u53ca\u5176\u76f8\u5e94\u7684(e)\u5f62\u8c8c\u548c(f)\u9762\u5185\u5bfc\u70ed\u7387\u53d8\u5316\u3002<\/p>\n \u56fe<\/b><\/strong>6 <\/b><\/strong>\u590d\u5408\u8584\u819c\u7684\u5b9e\u9645\u6563\u70ed\u6d4b\u8bd5<\/b><\/strong> (a)\u00a0PVA\u3001FCCL\u548c\u672c\u6837\u54c1\u7684\u5b9e\u7269\u7167\u7247\u3002(b)\u5b9e\u9645\u6563\u70ed\u6d4b\u8bd5\u7684\u5b9e\u9a8c\u7cfb\u7edf\u8bbe\u7f6e\u3002(c)\u4f7f\u7528\u4e0d\u540c\u8584\u819c\u4f5c\u4e3a\u5300\u70ed\u819c\u65f6LED\u82af\u7247\u7684\u4e2d\u5fc3\u6e29\u5ea6\u968f\u8fd0\u884c\u65f6\u95f4\u7684\u53d8\u5316\uff0c\u53ca\u5176(d)\u76f8\u5e94\u7684IR\u56fe\u50cf\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n 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%\u7684\u542b\u91cf\u4e0b\uff0c\u590d\u5408\u8584\u819c\u7684\u9762\u5185\u70ed\u5bfc\u7387\u4e3a67.6 W m-1<\/sup>\u00a0K-1<\/sup>\uff0c\u76f8\u8f83\u4e8e\u57fa\u4f53\u63d0\u9ad8\u4e86\u2248 355\u500d\uff0c\u6bcf1 wt% BNNS\u5bf9\u70ed\u5bfc\u7387\u7684\u63d0\u9ad8\u5e45\u5ea6\u8fbe\u5230\u4e86\u6781\u9ad8\u7684427%\u3002\u51ed\u501f\u8d85\u9ad8\u7684\u9762\u5185\u70ed\u5bfc\u7387\u3001\u4f18\u5f02\u7684\u673a\u68b0\u5f3a\u5ea6\u548c\u7535\u7edd\u7f18\u6027\uff0c\u8be5\u590d\u5408\u8584\u819c\u5728\u7535\u5b50\u5236\u51b7\u9886\u57df\u7684\u6563\u70ed\u5e94\u7528\u524d\u666f\u5e7f\u9614\uff0c\u5e76\u8868\u73b0\u51fa\u6bd4\u5546\u7528\u6320\u6027\u8986\u94dc\u677f\u66f4\u597d\u7684\u6563\u70ed\u6027\u80fd\uff0c\u4e3a\u65b0\u4e00\u4ee3\u9ad8\u5bfc\u70ed\u7edd\u7f18\u70ed\u7ba1\u7406\u6750\u6599\u7684\u5f00\u53d1\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n \u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1aUltrahigh-Aspect-Ratio Boron Nitride Nanosheets Leading to Superhigh In-Plane Thermal Conductivity of Foldable Heat Spreader<\/a>(ACS Nano<\/i><\/em>, 2021<\/b><\/strong>, DOI:\u00a010.1021\/acsnano.0c09229)<\/p>\n \u672c\u6587\u7531\u6728\u6587\u97ec<\/b><\/strong>\u7ffb\u8bd1\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<\/p>\n
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