{"id":221907,"date":"2021-05-13T06:30:25","date_gmt":"2021-05-12T22:30:25","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=221907"},"modified":"2021-05-12T14:18:47","modified_gmt":"2021-05-12T06:18:47","slug":"%e8%8b%8f%e5%b7%9e%e5%a4%a7%e5%ad%a6%e8%b7%af%e5%bb%ba%e7%be%8eadvanced-materials%ef%bc%9a%e6%97%a0%e8%a1%a8%e9%9d%a2%e6%b4%bb%e6%80%a7%e5%89%82%e4%b8%80%e6%ad%a5%e5%90%88%e6%88%90%e6%97%a0%e9%93%85","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=221907","title":{"rendered":"\u82cf\u5dde\u5927\u5b66\u8def\u5efa\u7f8eAdvanced Materials\uff1a\u65e0\u8868\u9762\u6d3b\u6027\u5242\u4e00\u6b65\u5408\u6210\u65e0\u94c5\u9499\u949b\u77ff\u7a7a\u5fc3\u7eb3\u7c73\u7403\u68c0\u6d4b\u75d5\u91cfCO"},"content":{"rendered":"

\"\"<\/p>\n

\u8bba\u6587DOI: 10.1002\/adma.202100674<\/p>\n

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1.\u7814\u7a76\u80cc\u666f<\/b><\/strong><\/p>\n

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2.\u6210\u679c\u7b80\u4ecb<\/b><\/strong><\/p>\n

\u8fd1\u671f\uff0c\u8def\u5efa\u7f8e\u8bfe\u9898\u7ec4<\/b><\/strong>\u8bc1\u660e\u4e86\u5364\u5316\u9499\u949b\u77ff\u7a7a\u5fc3\u7eb3\u7c73\u7403\u53ef\u4ee5\u7528\u53cd\u6eb6\u5242\u7684\u65b9\u6cd5\u5236\u5907\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u8868\u9762\u6d3b\u6027\u5242\uff0c\u53ef\u5728\u5ba4\u6e29\u4e0b\u5927\u6279\u91cf\u5236\u5907\u7eaf\u5ea6\u8f83\u9ad8\u7684\u65e0\u94c5\u5364\u5316\u9499\u949b\u77ffCs2<\/sub>PdBr6<\/sub>\u7a7a\u5fc3\u7eb3\u7c73\u7403\u3002\u8fd9\u4e9b\u4e2d\u7a7a\u7eb3\u7c73\u7403\u5728\u68c0\u6d4bCO\u65b9\u9762\u663e\u793a\u51fa\u5176\u4f18\u5f02\u7684\u6027\u80fd\uff0c\u68c0\u6d4b\u9650\u4e3a50 ppb\uff0c\u5728\u6240\u6709\u62a5\u9053\u7684\u7535\u963b\u5f0fCO\u4f20\u611f\u6750\u6599\u4e2d\u6700\u4f4e\u3002\u8be5\u6210\u679c\u8fd1\u65e5\u4ee5\u201cSurfactant-Free, One-Step Synthesis of Lead-Free<\/b><\/strong>\u00a0<\/b><\/strong>Perovskite Hollow Nanospheres for Trace CO Detection<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u671f\u520aAdvanced Materials<\/i><\/b><\/em><\/strong>\u6742\u5fd7\u4e0a\u3002<\/p>\n

3.\u56fe\u6587\u5bfc\u8bfb<\/b><\/strong><\/p>\n

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\"\"<\/p>\n

Figure 1.<\/b><\/strong>\u00a0Cs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u7684\u8868\u5f81\u3002(a),\u00a0(b)\u00a0Cs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u7684SEM\u56fe\u50cf\u3002(c)\u00a0x\u5c04\u7ebf\u884d\u5c04\u56fe\u8c61\u3002(d)\u00a0TEM\u56fe\u50cf\u3002(e),(f)\u00a0HRTEM\u56fe\u50cf\u3002(g)\u00a0\u9009\u53d6\u7535\u5b50\u884d\u5c04\u56fe\u8c61\u3002<\/p>\n

\u4e3a\u4e86\u5236\u5907Cs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\uff0c\u5c06Cs2<\/sub>PdBr6<\/sub>\u7c89\u672b\u6eb6\u89e3\u5728\u6df7\u5408\u6eb6\u5242\uff08DMF\/DMSO=1\uff1a1\uff09\u4e2d\u5f62\u6210\u524d\u9a71\u4f53\u6eb6\u6db2\uff0c\u7136\u540e\u5c06\u5176\u5feb\u901f\u6ce8\u5165\u53d4\u4e01\u9187\u4e2d\u3002\u9759\u7f6e30\u5206\u949f\u540e\uff0c\u751f\u6210\u4e86\u76f4\u5f84\u7ea6\u4e3a250 nm\u7684\u7a7a\u5fc3\u7eb3\u7c73\u7403\u3002<\/p>\n

\u56fe\u4e8c\u3001Cs<\/b><\/strong>2<\/b><\/sub><\/strong>PdBr<\/b><\/strong>6<\/b><\/sub><\/strong>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u7684\u5f62\u6210\u8fc7\u7a0b<\/b><\/strong><\/p>\n

\"\"<\/p>\n

Figure <\/b><\/strong>2<\/b><\/strong>.<\/b><\/strong>\u00a0(a)\u00a0Cs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u5f62\u6210\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002\u53cd\u5e94 (b)\u00a011 s\u3001(c)\u00a037 s\u3001(d)\u00a01 min\u548c(e)\u00a010 min\u540e\u83b7\u5f97\u7684\u4ea7\u7269\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\u53cd\u6eb6\u5242\u662fCs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u5f62\u6210\u7684\u5173\u952e\u3002\u4e2d\u7a7a\u7eb3\u7c73\u7403\u7684\u5f62\u6210\u8fc7\u7a0b\u53ef\u4ee5\u7b80\u5355\u5730\u63cf\u8ff0\u4e3a\u65e0\u8868\u9762\u6d3b\u6027\u5242\u7684\u76f4\u63a5\u4e73\u6db2\u6a21\u677f\u6cd5\u3002\u7531\u4e8e\u53d4\u4e01\u9187\u662fCs2<\/sub>PdBr6<\/sub>\u7684\u53cd\u6eb6\u5242\uff0c\u56e0\u6b64\u5f53DMF\/DMSO\u6db2\u6ef4\u4e2d\u7684Cs2<\/sub>PdBr6<\/sub>\u6d78\u5165\u53d4\u4e01\u9187\u4e2d\u65f6\uff0c\u6db2\u6ef4\u8868\u9762\u4f1a\u7acb\u5373\u5f62\u6210\u4e00\u5c42Cs2<\/sub>PdBr6<\/sub>\u6676\u7c92\u3002\u5916\u5c42\u6676\u7c92\u5c06\u51cf\u6162\u5185\u90e8DMF\/DMSO\u548c\u5916\u90e8\u53d4\u4e01\u9187\u7684\u63a5\u89e6\uff0c\u4f7fCs2<\/sub>PdBr6<\/sub>\u5728\u5916\u5c42\u6676\u7c92\u4e0a\u7f13\u6162\u7ed3\u6676\uff0c\u76f4\u5230\u5f62\u6210\u58f3\u4e3a\u6b62\u3002<\/p>\n

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\"\"<\/p>\n

Figure 3.<\/b><\/strong>\u00a0\u00a0\u5728\u542b\u6709\u4e0d\u540c\u5b98\u80fd\u56e2\u7684\u53cd\u6eb6\u5242\u4e2d\u751f\u6210\u7684Cs2<\/sub>PdBr6<\/sub>\u7684TEM\u56fe\u50cf\u3002\uff08\u6240\u6709\u7684scale\u00a0bars=200 \u03bcm\uff09<\/p>\n

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\u56fe\u56db\u3001\u57fa\u4e8e<\/b><\/strong>Cs<\/b><\/strong>2<\/b><\/sub><\/strong>PdBr<\/b><\/strong>6<\/b><\/sub><\/strong>\u7684CO\u4f20\u611f\u6027\u80fd<\/b><\/strong><\/p>\n

\"\"<\/p>\n

Figure 4. <\/b><\/strong>(a)\u00a0\u968fCO\u6d53\u5ea6\u589e\u52a0\uff0850 ppb\u81f350 ppm\uff09\u7684\u5b9e\u65f6\u54cd\u5e94\u3002(b)\u3001(c)\u00a0\u57281 ppm\u548c40 ppm CO\u4e0b\u7684\u54cd\u5e94\/\u6062\u590d\u65f6\u95f4\u3002(d)\u00a0\u6bd4\u8f83\u4f7f\u7528\u4e0d\u540c\u53cd\u6eb6\u5242\u5236\u6210\u7684\u4f20\u611f\u5668\u7684\u6700\u4f4e\u68c0\u6d4b\u9650\u3002(e) \u57fa\u4e8e\u4e0d\u540c\u6750\u6599\u7684CO\u4f20\u611f\u5668\u7684\u6700\u4f4e\u68c0\u6d4b\u9650\u3002<\/p>\n

\u4f7f\u7528\u53d4\u4e01\u9187\u4f5c\u4e3a\u53cd\u6eb6\u5242\u83b7\u5f97\u7684Cs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u5177\u6709\u4f18\u5f02\u7684CO\u4f20\u611f\u6027\u80fd\u3002\u6700\u4f4e\u68c0\u6d4b\u6d53\u5ea6\u53ef\u4ee5\u8fbe\u523050 ppb\uff0c\u8fd9\u662f\u73b0\u6709\u6240\u62a5\u9053\u7684\u7535\u963b\u5f0fCO\u4f20\u611f\u5668\u4e2d\u6700\u4f4e\u68c0\u6d4b\u9650\uff08\u56fe3-13 e\uff09\u3002\u5982\u6b64\u4f4e\u6d53\u5ea6\u7684CO\u68c0\u6d4b\u9650\u5c06\u5728CO\u6cc4\u6f0f\u7684\u65e9\u671f\u9884\u8b66\u548c\u4f4e\u6d53\u5ea6CO\u6210\u5206\u7684\u68c0\u6d4b\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n

\u56fe\u4e94\u3001CO\u4f20\u611f\u673a\u7406<\/b><\/strong><\/p>\n

\"\"<\/p>\n

Figure 5. <\/b><\/strong>(a)\u00a0SFG\u6d4b\u8bd5\u539f\u7406\u56fe\u3002(b)\u00a0CO\u5438\u9644\u524d\u540e\uff0cCs2<\/sub>PdBr6<\/sub>\u819c\u7684SFG\u5149\u8c31\u3002(c)\u00a0\u5438\u9644CO\u540eCs2<\/sub>PdBr6<\/sub>\u8868\u9762\u7684\u7535\u8377\u5206\u5e03\u548c (d)\u00a0C-Pd\u952e\u957f (e)\u00a0CO\u5438\u9644\u5728Cs2<\/sub>PdBr6<\/sub>\u8584\u819c\u8868\u9762\u524d\u540e\u7684DOS\u548cCO\u7684DOS\u3002<\/p>\n

\u548c\u9891\u5171\u632f\u5149\u8c31\uff08SFG\uff09\u8bc1\u660e\u4e86CO\u5206\u5b50\u5438\u9644\u5728Cs2<\/sub>PdBr6<\/sub>\u819c\u8868\u9762\uff0c\u5e76\u53d1\u751f\u4e86\u7535\u8377\u8f6c\u79fb\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86CO\u4e0eCs2<\/sub>PdBr6<\/sub>\u4e2d\u7a7a\u7eb3\u7c73\u7403\u4e4b\u95f4\u7684\u7535\u8377\u8f6c\u79fb\u3002\u6b63\u662f\u7531\u4e8e\u8fd9\u79cd\u7535\u8377\u8f6c\u79fb\u4f7f\u5f97\u57fa\u4e8eCs2<\/sub>PdBr6<\/sub>\u7684\u4f20\u611f\u5668\u5bf9CO\u4ea7\u751f\u7075\u654f\u7684\u54cd\u5e94\u3002<\/p>\n

4.\u603b\u7ed3\u4e0e\u5c55\u671b<\/b><\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aSurfactant-Free, One-Step Synthesis of Lead-Free\u00a0Perovskite Hollow Nanospheres for Trace CO Detection\u00a0<\/p>\n

https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/adma.202100674<\/b><\/u><\/strong><\/a><\/p>\n

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