{"id":255873,"date":"2023-11-15T06:31:56","date_gmt":"2023-11-14T22:31:56","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=255873"},"modified":"2023-11-14T21:37:23","modified_gmt":"2023-11-14T13:37:23","slug":"%e9%83%91%e5%b7%9e%e8%bd%bb%e5%b7%a5%e4%b8%9a%e5%a4%a7%e5%ad%a6%e5%bc%a0%e6%b0%b8%e8%be%89%e3%80%81%e6%96%b9%e5%b0%91%e6%98%8e%e5%9b%a2%e9%98%9facs-sensors-pd%e4%bf%ae%e9%a5%b0%e4%b8%8e%e9%ab%98","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=255873","title":{"rendered":"\u90d1\u5dde\u8f7b\u5de5\u4e1a\u5927\u5b66\u5f20\u6c38\u8f89\u3001\u65b9\u5c11\u660e\u56e2\u961fACS sensors: Pd\u4fee\u9970\u4e0e\u9ad8\u6c27\u8fc1\u79fb\u7387\u534f\u540c\u63d0\u9ad8 WO3\u7eb3\u7c73\u7247\u5728\u4f4e\u6e29\u4e0b\u7684\u6c22\u4f20\u611f\u6027\u80fd"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u6c22\u662f\u4e00\u79cd\u6e05\u6d01\u3001\u9ad8\u6548\u3001\u7075\u6d3b\u7684\u80fd\u6e90\u8f7d\u4f53\u548c\u5de5\u4e1a\u539f\u6599\uff0c\u5177\u6709\u5f88\u9ad8\u80fd\u91cf\u5bc6\u5ea6(142 kJ\u00b7g-1<\/sup>)\uff0c\u800c\u5907\u53d7\u5173\u6ce8\u3002\u7136\u800c\u7531\u4e8e\u6c22\u6c14\u6613\u71c3\u6613\u7206\u7684\u7279\u6027\uff08\u7206\u70b8\u6781\u96504.0%\uff5e75.6%\uff09\uff0c\u5f00\u53d1\u5b89\u5168\u3001\u5feb\u901f\u3001\u53ef\u9760\u3001\u4f4e\u6210\u672c\u3001\u9ad8\u7cbe\u5ea6\u7684\u6c22\u6c14\u4f20\u611f\u5668\u5bf9\u4e8e\u53ca\u65f6\u68c0\u6d4b\u6cc4\u6f0f\u5e76\u9884\u8b66\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5916\uff0c\u6c22\u4f20\u611f\u6280\u672f\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5206\u6790\u4eba\u4f53\u547c\u51fa\u7684\u6c22\u6c14\u6d53\u5ea6\u6765\u8bca\u65ad\u4e00\u4e9b\u75be\u75c5\uff08\u5fc3\u529b\u8870\u7aed\u3001\u534a\u4e73\u7cd6\u4e0d\u8010\u53d7\u3001\u7ed3\u80a0\u53d1\u9175\u7b49\uff09\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u68c0\u6d4b\u4eba\u4f53\u547c\u51fa\u7684\u6c22\u6c14\u6d53\u5ea6\u3002\u9700\u8981\u5f00\u53d1\u5177\u6709\u8d85\u4f4e\u68c0\u6d4b\u9650\uff08<1 ppm\uff09\u7684\u6c22\u6c14\u4f20\u611f\u5668\u3002\u7136\u800c\uff0c\u73b0\u6709\u7684\u6c22\u6c14\u4f20\u611f\u5668\u4ecd\u7136\u5b58\u5728\u8bb8\u591a\u7f3a\u70b9\uff0c\u5982\u5de5\u4f5c\u6e29\u5ea6\u9ad8\u3001\u68c0\u6d4b\u9650\u9ad8\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5dee\u3001\u68c0\u6d4b\u4e0d\u7a33\u5b9a\u7b49\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u94af\u7eb3\u7c73\u9897\u7c92\u5bf9MOS\u7684\u4fee\u9970\u5bf9H2<\/sub>\u5177\u6709\u5f88\u9ad8\u4eb2\u548c\u529b\u548c\u9009\u62e9\u6027\u3002\u7279\u522b\u662f\uff0cPd\u5373\u4f7f\u5728\u5ba4\u6e29\u4e0b\u4e5f\u5bf9H2<\/sub>\u5177\u6709\u9ad8\u5ea6\u5316\u5b66\u53cd\u5e94\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u6700\u6709\u6f5c\u529b\u7684\u6c22\u654f\u6750\u6599\u3002\u00a0<\/strong><\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u9488\u5bf9\u76ee\u524d\u534a\u5bfc\u4f53H2<\/sub>\u4f20\u611f\u5668\u5de5\u4f5c\u6e29\u5ea6\u9ad8\u548c\u6297\u5e72\u6270\u80fd\u529b\u5dee\u7b49\u95ee\u9898\uff0c\u90d1\u5dde\u8f7b\u5de5\u4e1a\u5927\u5b66\u5f20\u6c38\u8f89\u548c\u65b9\u5c11\u660e\u56e2\u961f\u57fa\u4e8e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u6c14\u654f\u6750\u6599\u8868\u754c\u9762\u8c03\u63a7\u7b56\u7565\uff0c\u901a\u8fc7\u201c\u5149\u6c89\u79ef\u6cd5\u201d\u6210\u529f\u5408\u6210\u4e86Pd\u4fee\u9970\u7684WO3<\/sub>\u7eb3\u7c73\u7247\u4f5c\u4e3a\u6a21\u578b\u6750\u6599\uff0c\u7814\u7a76\u4e86MSI\u5bf9\u4f20\u611f\u6027\u80fd\u7684\u5f71\u54cd\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5904\u7406\u6e29\u5ea6\u6765\u5b9e\u73b0\u5355\u72ec\u7684\u8868\u9762\u7279\u6027\u548cMSI\u3002\u7279\u522b\u662f\uff0cPd-WO3<\/sub>-300\u6837\u54c1\u5728\u4f4e\u5de5\u4f5c\u6e29\u5ea6\uff08110 \u2103\uff09\u4e0b\u8868\u73b0\u51fa\u4f18\u5f02\u7684H2<\/sub>\u4f20\u611f\u6027\u80fd\uff0c\u5177\u6709\u9ad8\u4f20\u611f\u54cd\u5e94\uff08Ra\/Rg = 40.63\u81f310 ppm\uff09\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u548c\u8be6\u7ec6\u7684\u7ed3\u6784\u7814\u7a76\u8bc1\u5b9e\uff0c\u4e2d\u7b49MSI\u662f\u6700\u4f18\u7684\uff0c\u5e76\u4e14\u4e30\u5bcc\u7684\u8868\u9762O2\u2212<\/sup>(ad)\u7269\u79cd\uff0c\u534f\u540c\u6548\u5e94\u4ea7\u751f\u7684\u9002\u5f53\u7684Pd0<\/sup>-Pd2+<\/sup>\u6bd4\u4f8b\u589e\u5f3a\u4e86\u4f4e\u6e29\u4e0b\u7684H2<\/sub>\u4f20\u611f\u6027\u80fd\u3002\u7814\u7a76\u5de5\u4f5c\u6709\u671b\u4e3aH2<\/sub>\u6d53\u5ea6\u5b9e\u65f6\u5728\u7ebf\u76d1\u6d4b\u63d0\u4f9b\u4f20\u611f\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u5728\u667a\u80fd\u5bb6\u5c45\u7b49\u9886\u57df\u5e94\u7528\u524d\u666f\u5e7f\u9614\u3002<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

\u901a\u8fc7\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u5904\u7406\u6765\u5236\u5907\u5177\u6709\u5355\u72ecMSI\u7684Pd\u4fee\u9970\u7684WO3<\/sub>\u7eb3\u7c73\u7247\u7528\u4e8e\u68c0\u6d4bH2<\/sub>\u3002\u7814\u7a76\u4e86Pd2+<\/sup>\u548cPd0<\/sup>\u53cc\u4f4d\u70b9\u4ea7\u751f\u7684\u534f\u540c\u6548\u5e94\u4ee5\u53ca\u8868\u9762\u7ed3\u6784\u4e0e\u4f20\u611f\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cPd\u7684\u4fee\u9970\u663e\u7740\u63d0\u9ad8\u4e86H2<\/sub>\u4f20\u611f\u6027\u80fd\uff0cPd-WO3<\/sub>-300\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u4f20\u611f\u54cd\u5e94\uff08Ra<\/sub>\/Rg<\/sub> = 40.63\u81f310 ppm\uff09\u3001\u9ad8\u9009\u62e9\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u589e\u5f3a\u7684H2<\/sub>\u4f20\u611f\u884c\u4e3a\u5f52\u56e0\u4e8ePd-WO3<\/sub>\u754c\u9762\u7684\u534f\u540c\u6548\u5e94\u3002\u901a\u5e38\uff0cPd0<\/sup>\u4f4d\u70b9\u5bf9H2<\/sub>\u663e\u793a\u51fa\u4e2d\u7b49\u7684\u5438\u9644\u548c\u89e3\u5438\u80fd\u529b\uff0c\u5e76\u4e14\u7531\u4e8eMSI\u800c\u4ea7\u751f\u9ad8\u8fc1\u79fb\u7387\u8868\u9762O2-<\/sup>(ad)\u7269\u79cd\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4e0e\u4e2d\u95f4PdHx<\/sub>\u7269\u79cd\u53d1\u751f\u53cd\u5e94\uff0c\u91ca\u653eH\u5e76\u518d\u751f\u6d3b\u6027Pd0<\/sup>\u4f4d\u70b9\u3002\u6211\u4eec\u7684\u5de5\u4f5c\u8bf4\u660e\u4e86MSI\u5bf9\u4f20\u611f\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1 (a) Pd-WO3<\/sub><\/strong>\u7684\u5236\u5907\u8fc7\u7a0b\u793a\u610f\u56fe\uff0c<\/strong>(b) WO3<\/sub><\/strong>\u3001<\/strong>(c) Pd-WO3<\/sub>-200<\/strong>\u3001<\/strong>(d) Pd-WO3<\/sub>-300<\/strong>\u548c<\/strong>(e) PdWO3<\/sub>-400<\/strong>\u7684\u4f4e\u500d<\/strong>FESEM<\/strong>\u56fe\u50cf\uff0c<\/strong> (f) WO3<\/sub><\/strong>\u3001<\/strong>(g) Pd-WO3<\/sub>-200<\/strong>\u3001<\/strong>(h) Pd-WO3-300<\/strong>\u548c<\/strong> (i) Pd-WO3<\/sub>-400<\/strong>\u9ad8\u500d\u7387\u4e0b\u7684<\/strong>FESEM<\/strong>\u56fe\u50cf\uff0c<\/strong>(j) WO3<\/sub><\/strong>\u7684<\/strong> AFM<\/strong>\u548c<\/strong> (k) <\/strong>\u8868\u9762\u7c97\u7cd9\u5ea6\u3002<\/strong> (l) Pd-WO3<\/sub>-300<\/strong>\u7684<\/strong>SEM-EDS<\/strong>\u6620\u5c04\u56fe\u4ee5\u53ca<\/strong> Pd<\/strong>\u3001<\/strong>W<\/strong>\u548c<\/strong>O<\/strong>\u7684<\/strong>(m)<\/strong>\u5143\u7d20\u6620\u5c04\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2 <\/strong>WO3<\/sub><\/strong>\u548c<\/strong>Pd-WO3-x<\/sub> (x = 200, 300, 400) <\/strong>\u7684<\/strong> (a) XRD<\/strong>\u8c31\u56fe\uff0c<\/strong>(b)<\/strong>\u62c9\u66fc\u8c31\u56fe\uff0c<\/strong>(c) EPR<\/strong>\u8c31\u56fe\uff0c<\/strong>(d) FTIR<\/strong>\u8c31\u56fe\uff0c<\/strong>(e)<\/strong>\u6c2e\u6c14\u5438\u9644<\/strong>–<\/strong>\u8131\u9644\u7b49\u6e29\u7ebf\uff0c<\/strong>(f)<\/strong>\u5b54\u5f84\u5206\u5e03\u66f2\u7ebf\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3<\/strong>. (a) WO3<\/sub><\/strong>\u548c<\/strong>Pd-WO3-x<\/sub> (x = 200, 300, 400) <\/strong>\u5728\u4e0d\u540c\u5de5\u4f5c\u6e29\u5ea6\u4e0b\u5bf9<\/strong>10 ppm H2<\/sub><\/strong>\u7684\u4f20\u611f\u54cd\u5e94\uff0c<\/strong>(b) <\/strong>\u5bf9\u4e0d\u540c\u6d53\u5ea6<\/strong> (0.2\u2212100 ppm) H2<\/sub><\/strong>\u7684\u4f20\u611f\u54cd\u5e94\uff09\u5728<\/strong>110<\/strong>\u2103\u4e0b\uff0c\uff08<\/strong>c<\/strong>\uff09<\/strong>Pd-WO3-x<\/sub><\/strong>\uff08<\/strong>x = 200,300,400<\/strong>\uff09\u5728<\/strong>110<\/strong>\u2103\u4e0b\u4e0d\u540c\u6d53\u5ea6\uff08<\/strong>0.2-10 ppm<\/strong>\uff09\u7684\u7ebf\u6027\u62df\u5408\u66f2\u7ebf\uff0c\uff08<\/strong>d<\/strong>\uff09<\/strong>Pd-WO3<\/sub>-300<\/strong>\u5728<\/strong>110 \u00b0C<\/strong>\u4e0b\u4e0d\u540c\u6d53\u5ea6<\/strong> (0.2\u2212100 ppm) <\/strong>\u4e0b\u7684\u52a8\u6001\u54cd\u5e94<\/strong>–<\/strong>\u6062\u590d\u66f2\u7ebf\uff0c<\/strong>(e) 110 \u00b0C<\/strong>\u4e0b<\/strong>Pd-WO3<\/sub>-300<\/strong>\u5bf9<\/strong>10 ppm H2<\/sub><\/strong>\u7684\u4e94\u5faa\u73af\u6d4b\u8bd5\u7535\u963b\u53d8\u5316\u66f2\u7ebf\uff0c<\/strong>(f) WO3<\/sub><\/strong>\u548c<\/strong>Pd-WO3-x<\/sub> (x = 200, 300, 400) <\/strong>\u5728<\/strong>110 <\/strong>\u00b0<\/strong>C<\/strong>\u4e0b\u5bf9<\/strong>10 ppm<\/strong>\u4e0d\u540c\u6c14\u4f53\u7684\u4f20\u611f\u9009\u62e9\u6027\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 <\/strong>H2<\/sub><\/strong>\u5438\u9644\u5728<\/strong> (a) Pd0<\/sup><\/strong>\u548c<\/strong> (b) Pd2+<\/sup> <\/strong>\u4e0a\u7684\u5438\u9644\u6784\u578b\u3002<\/strong> (c) Pd0<\/sup> <\/strong>\u548c<\/strong> Pd2+<\/sup> <\/strong>\u4f4d\u70b9\u5438\u9644\u7684<\/strong>2H<\/strong>\u7684\u6001\u5bc6\u5ea6\u3002\u8d39\u7c73\u80fd\u7ea7<\/strong> (EF) <\/strong>\u4e3a\u96f6\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>5<\/strong> (a) <\/strong>\u7a7a\u6c14\u548c<\/strong> (b) <\/strong>\u6c22\u6c14\u6c14\u6c1b\u4e2d\u7684\u8868\u9762\u4f20\u611f\u673a\u5236\u793a\u610f\u56fe\u3002<\/strong><\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u5229\u7528Pd\u4fee\u9970\u7684WO3<\/sub>\u7eb3\u7c73\u7247\u4f5c\u4e3a\u6a21\u578b\u6750\u6599\uff0c\u7814\u7a76\u4e86MSI\u5bf9\u4f20\u611f\u6027\u80fd\u7684\u5f71\u54cd\uff0cMSI\u800c\u4ea7\u751f\u9ad8\u8fc1\u79fb\u7387\u8868\u9762O2-<\/sup>(ad)\u7269\u79cd\uff0c\u53ef\u4ee5\u4f7f\u6d3b\u6027Pd0<\/sup>\u4f4d\u70b9\u518d\u751f\uff0c\u9002\u5f53\u7684Pd0<\/sup>-Pd2+<\/sup>\u6bd4\u4f8b\u589e\u5f3a\u4e86\u4f4e\u6e29\u4e0b\u7684H2<\/sub>\u4f20\u611f\u6027\u80fd\uff0c\u8868\u660e\u4e86\u6784\u5efa\u660e\u786e\u7684\u7eb3\u7c73\u50ac\u5316\u5242\u754c\u9762\u5bf9\u4e8e\u50ac\u5316\u548c\u5316\u5b66\u4f20\u611f\u7684\u91cd\u8981\u6027\uff0c\u4e3a\u7814\u7a76\u5de5\u4f5c\u8005\u5728\u91d1\u5c5e-\u91d1\u5c5e\u6c27\u5316\u7269\u4f20\u611f\u6750\u6599\u7684\u5f00\u53d1\u548c\u5e94\u7528\u4e0a\u63d0\u4f9b\u65b0\u7684\u7814\u7a76\u601d\u8def\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1a<\/p>\n

Yang, X.-Y., et al. (2023). “Pd Decoration with Synergistic High Oxygen Mobility Boosts Hydrogen Sensing Performance at Low Working Temperature on WO3 Nanosheet.” ACS Sensors.<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1021\/acssensors.3c01659<\/a><\/p>\n

\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"

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