{"id":140723,"date":"2018-05-31T06:30:25","date_gmt":"2018-05-30T22:30:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=140723"},"modified":"2018-05-30T10:44:59","modified_gmt":"2018-05-30T02:44:59","slug":"acs-nano%ef%bc%9a%e8%a1%a8%e9%9d%a2%e5%ae%98%e8%83%bd%e5%9b%a2%e5%8f%8a%e5%b1%82%e9%97%b4%e6%b0%b4%e5%86%b3%e5%ae%9a%e4%ba%86ti3c2tx-%e8%bf%88%e7%a7%91%e7%83%afmxene-%e7%9a%84%e7%94%b5%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=140723","title":{"rendered":"ACS Nano\uff1a\u8868\u9762\u5b98\u80fd\u56e2\u53ca\u5c42\u95f4\u6c34\u51b3\u5b9a\u4e86Ti3C2Tx \u8fc8\u79d1\u70ef(MXene) \u7684\u7535\u5316\u5b66\u5bb9\u91cf"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u968f\u7740\u80fd\u6e90\u9700\u6c42\u7684\u5feb\u901f\u589e\u957f\uff0c\u5168\u7403\u73af\u5883\u95ee\u9898\u65e5\u76ca\u7a81\u51fa\uff0c\u8feb\u5207\u9700\u8981\u5f00\u53d1\u6e05\u6d01\u80fd\u6e90\u4e0e\u66f4\u5148\u8fdb\u7684\u50a8\u80fd\u7cfb\u7edf\u3002\u7535\u5316\u5b66\u7535\u5bb9\u5668\uff08\u53c8\u79f0\u8d85\u7ea7\u7535\u5bb9\u5668\uff09\u5177\u6709\u529f\u7387\u5bc6\u5ea6\u9ad8\u3001\u500d\u7387\u6027\u80fd\u4f18\u5f02\u4ee5\u53ca\u5faa\u73af\u5bff\u547d\u957f\u7684\u7279\u70b9\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u79cd\u53ef\u5b9e\u73b0\u9ad8\u6548\u50a8\u80fd\u7684\u7406\u60f3\u5668\u4ef6\u3002\u4e0e\u53cc\u7535\u5c42\u7535\u5bb9\u5668\u76f8\u6bd4\uff0c\u8d5d\u7535\u5bb9\u5668\uff08\u501f\u52a9\u4e8e\u5feb\u901f\u3001\u53ef\u9006\u7684\u8868\u9762\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff09\u5177\u6709\u66f4\u9ad8\u7684\u80fd\u91cf\u5bc6\u5ea6\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5173\u6ce8\u3002\u76ee\u524d\uff0c\u7814\u7a76\u6700\u5e7f\u6cdb\u7684\u8d5d\u7535\u5bb9\u5668\u6750\u6599\u662fRuO2<\/sub>\u3001MnO2<\/sub>\u3001Nb2<\/sub>O5<\/sub>\u3001NiO\u7b49\u6c27\u5316\u7269\uff0c\u4f46\u7814\u7a76\u53d1\u73b0\u5927\u90e8\u5206\u8d5d\u7535\u5bb9\u6c27\u5316\u7269\u7684\u7535\u5bfc\u7387\u4f4e\uff0c\u5bfc\u81f4\u7535\u5bb9\u5668\u7684\u500d\u7387\u6027\u80fd\u4e0d\u4f73\u3002<\/p>\n \u8fc8\u79d1\u70ef\uff08MXene\uff09\u662f\u4e00\u79cd\u65b0\u578b\u8fc7\u6e21\u91d1\u5c5e\u78b3\/\u6c2e\u5316\u7269\u4e8c\u7ef4\u6676\u4f53\uff0c\u5177\u6709\u548c\u77f3\u58a8\u70ef\u7c7b\u4f3c\u7684\u7247\u5c42\u7ed3\u6784\uff0c\u5316\u5b66\u5f0f\u4e3aMn + 1<\/sub>Xn<\/sub>T<\/em>x<\/sub>\uff0c\u5176\u4e2d n = 1\u30012\u30013\uff0cM\u4e3a\u524d\u8fc7\u6e21\u91d1\u5c5e\u5143\u7d20\uff0cX\u4e3a\u78b3\u6216\u6c2e\u5143\u7d20\uff0cT\u4e3a\u8868\u9762\u643a\u5e26\u7684\u2013OH\u3001\u2013O\u6216\u2013F\u7b49\u5b98\u80fd\u56e2\u3002\u4ee5Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u4e3a\u4ee3\u8868\u7684\u8fc8\u79d1\u70ef\u5177\u6709\u4f18\u5f02\u7684\u529b\u5b66\u3001\u7535\u5b66\u3001\u78c1\u5b66\u7b49\u6027\u80fd\uff0c\u7279\u522b\u5728\u7535\u5316\u5b66\u7535\u5bb9\u5668\u65b9\u9762\u8868\u73b0\u5c24\u4e3a\u7a81\u51fa\uff0c\u5176\u4f53\u79ef\u6bd4\u5bb9\u91cf\u5df2\u8d85\u8fc7\u516c\u8ba4\u7684\u5177\u6709\u8d85\u9ad8\u7535\u5bb9\u91cf\u7684RuO2<\/sub>\uff0c\u5e76\u4e14\u500d\u7387\u6027\u80fd\u4f18\u826f\u3002Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u662f\u4e00\u79cd\u8d5d\u7535\u5bb9\u6750\u6599\uff0c\u4f46\u5176\u672c\u8eab\u7684\u7ed3\u6784\u7279\u70b9\u4e0e\u7535\u5316\u5b66\u7535\u5bb9\u6027\u80fd\u7684\u76f8\u5173\u6027\u5c1a\u4e0d\u6e05\u695a\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u91d1\u5c5e\u6240\u6c88\u9633\u6750\u6599\u79d1\u5b66\u56fd\u5bb6\uff08\u8054\u5408\uff09\u5b9e\u9a8c\u5ba4\u738b\u6653\u8f89\u8bfe\u9898\u7ec4\u5728ACS Nano\u4e0a\u53d1\u8868\u9898\u4e3a\u201cSurface Functional Groups and Interlayer Water Determine the Electrochemical Capacitance of Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub> MXene\u201d\u7684\u7814\u7a76\u8bba\u6587<\/strong>\u3002\u6587\u4e2d\u62a5\u9053\u4e86\u901a\u8fc7\u4f4e\u6d53\u5ea6\u7684HF\u6eb6\u6db2\u523b\u8680Ti3<\/sub>AlC2<\/sub>\u800c\u5236\u5907\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\uff08Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\uff09\u7535\u6781\u5177\u6709\u66f4\u9ad8\u7684\u7535\u5316\u5b66\u5bb9\u91cf\u3002\u4ed6\u4eec\u5229\u7528\u81ea\u884c\u642d\u5efa\u7684\u539f\u4f4d\u7535\u5316\u5b66\u62c9\u66fc\u8868\u5f81\u5e73\u53f0\uff0c\u7ed3\u5408X\u5c04\u7ebf\u5149\u7535\u5b50\u8c31\u4ee5\u53ca1H\u4f4e\u573a\u6838\u78c1\u5171\u632f\u8c31\u7b49\u591a\u79cd\u5206\u6790\u624b\u6bb5\uff0c\u9610\u660e\u4e86\u53c2\u4e0e\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u7684\u2013O\u5b98\u80fd\u56e2\u6bd4\u4f8b\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u7247\u5c42\u95f4\u5177\u6709\u9ad8\u81ea\u7531\u5ea6\u7684\u6c34\u5206\u5b50\u542b\u91cf\u4e0e\u7535\u5bb9\u91cf\u6210\u6b63\u76f8\u5173\u6027\uff0c\u5373\u2013O\u5b98\u80fd\u56e2\u6bd4\u4f8b\u8d8a\u9ad8\uff0c\u81ea\u7531\u6c34\u542b\u91cf\u8d8a\u9ad8\uff0c\u8fc8\u79d1\u70ef\u7684\u7535\u5316\u5b66\u7535\u5bb9\u91cf\u5c31\u8d8a\u9ad8\u3002\u8fd9\u4e24\u4e2a\u56e0\u7d20\u6b63\u662fTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>-6M\u7535\u6781\u5177\u6709\u4f18\u8d8a\u7535\u5316\u5b66\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u7535\u6781\u7684\u7535\u5bb9\u6027\u80fd<\/strong><\/p>\n a\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u7535\u6781\u6750\u6599\u7684\u5faa\u73af\u4f0f\u5b89\uff08CV\uff09\u66f2\u7ebf\u3002\u7535\u89e3\u6db2\u4e3a1M H2<\/sub>SO4<\/sub>\u6eb6\u6db2\uff0c\u626b\u63cf\u901f\u7387\u4e3a20 mV\/s<\/p>\n b\uff09\u4e0d\u540c\u626b\u63cf\u901f\u7387\u4e0b\u7684\u8d28\u91cf\u6bd4\u7535\u5bb9\u3002Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7684CV\u66f2\u7ebf\u66f4\u65b9\u6b63\uff0c\u8868\u660e\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u53ef\u9006\u6027\u66f4\u9ad8\uff0c\u800c\u4e14\u5176\u7535\u5bb9\u91cf\u57282 mV\/s\u7684\u626b\u63cf\u901f\u7387\u4e0b\u6bd4Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u9ad8\u51fa192 F\/g<\/p>\n \u56fe\u4e8c\u3001\u6c2e\u5438\u9644\/\u8131\u9644\u7b49\u6e29\u7ebf<\/strong><\/p>\n a\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u6c2e\u5438\u9644\/\u8131\u9644\u7b49\u6e29\u7ebf<\/p>\n b\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u6c2e\u5438\u9644\/\u8131\u9644\u7b49\u6e29\u7ebf<\/p>\n c\uff09\u7ecf\u8fc7\u8d85\u58f0\u5904\u7406\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u6c2e\u5438\u9644\/\u8131\u9644\u7b49\u6e29\u7ebf<\/p>\n d\uff09\u7ecf\u8fc7\u8d85\u58f0\u5904\u7406\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u6c2e\u5438\u9644\/\u8131\u9644\u7b49\u6e29\u7ebf<\/p>\n \u56fea\uff09\u3001b\uff09\u5de6\u4e0a\u65b9\u7684\u63d2\u56fe\u4e3aTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u9897\u7c92\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf<\/p>\n \u56fe\u4e09\u3001\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u8868\u5f81<\/strong><\/p>\n Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u8d1f\u6781\u7684\u539f\u4f4d\u7535\u5316\u5b66\u62c9\u66fc\u5149\u8c31\u56fe\u3002\u7535\u89e3\u6db2\u662fH2<\/sub>SO4<\/sub>\u6eb6\u6db2\uff0c\u663e\u793a\u62c9\u66fc\u5149\u8c31\u9891\u5e26\u4e0e\u7535\u538b\u7684\u4f9d\u8d56\u5173\u7cfb\u662f\u53ef\u9006\u7684<\/p>\n \u56fe\u56db\u3001550 cm\u20131<\/sup>\u81f3750 cm\u20131<\/sup>\u7684\u62c9\u66fc\u5cf0\u62df\u5408<\/strong><\/p>\n a\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7684\u9009\u533a\u62c9\u66fc\u5149\u8c31\u7684\u4f4d\u79fb\u4ee5\u53ca\u5bf9\u4f4d\u4e8e590\u3001630\u3001672\u3001708\u548c726 cm\u20131<\/sup>\u7b49\u4f4d\u7f6e\u7684\u62c9\u66fc\u5149\u8c31\u5e26\u8fdb\u884c\u7684\u6d1b\u4f26\u5179\u62df\u5408<\/p>\n b\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u7684\u9009\u533a\u62c9\u66fc\u5149\u8c31\u7684\u4f4d\u79fb\u4ee5\u53ca\u5bf9\u4f4d\u4e8e590\u3001630\u3001672\u3001708\u548c726 cm\u20131<\/sup>\u7b49\u4f4d\u7f6e\u7684\u62c9\u66fc\u5149\u8c31\u5e26\u8fdb\u884c\u7684\u6d1b\u4f26\u5179\u62df\u5408<\/p>\n \u4e0eTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u76f8\u6bd4\uff0c\u5f53\u7535\u4f4d\u75310V \u5411 \u20130.4V\u53d8\u5316\u65f6\uff0cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7535\u6781\u5728726 cm\u20131<\/sup>\u4f4d\u7f6e\u5904\u7684\u62c9\u66fc\u5149\u8c31\u5e26\u51cf\u5f31\u800c\u5728708 cm\u20131<\/sup>\u4f4d\u7f6e\u5904\u663e\u8457\u589e\u5f3a<\/p>\n \u56fe\u4e94\u3001XPS\u5149\u8c31\u5206\u6790<\/strong><\/p>\n a\u3001c\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7684Ti 2p\u548cO 1s\u7684XPS\u5149\u8c31\u56fe<\/p>\n b\u3001d\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u7684Ti 2p\u548cO 1s\u7684XPS\u5149\u8c31\u56fe \u56fe\u516d\u3001\u6837\u54c1\u7684\u91cd\u91cf\u53d8\u5316\u3001XRD\u56fe\u8c31\u4ee5\u53ca\u6838\u78c1\u5171\u632f\u6c22\u8c31<\/strong><\/p>\n a\uff09Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u5728\u4e0d\u540c\u6e29\u5ea6\u5e72\u71e5\u540e\u4e0e\u5ba4\u6e29\u5e72\u71e5\u540e\u7684\u8d28\u91cf\u53d8\u5316\uff08W\/WRT\uff0cWRT\u662f\u6837\u54c1\u572825 o<\/sup>C\u4e0b\u5e72\u71e5\u7684\u91cd\u91cf\uff09\uff0c\u63d2\u56fe\u662f\u5ba4\u6e29\u4e0b\u5e72\u71e5\u6837\u54c1\u7684\u5c42\u7247\u53ca\u5c42\u95f4\u793a\u610f\u56fe<\/p>\n b\uff09Ti3C2Tx\u20136M\u548cTi3C2Tx\u201315M\u5728\uff080002\uff09\u6676\u9762\u7684XRD\u56fe\u8c31\uff0c\u56fe\u4e2d\u8868\u660e\u5f53\u5e72\u71e5\u6e29\u5ea6\u63d0\u9ad8\u81f3120 o<\/sup>C\u65f6\uff0c\u6837\u54c1\u7684\u5c42\u95f4\u8ddd\u4f1a\u7f29\u5c0f\uff0c\u800cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7684\u7f29\u5c0f\u7a0b\u5ea6\u66f4\u660e\u663e<\/p>\n c\uff09\u76f4\u63a5\u5408\u6210\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u4e0e\u5728120 o<\/sup>C\u5e72\u71e5\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\u76841<\/sup>H\u65f6\u57df\u6838\u78c1\u5171\u632f\u8c31\uff0c\u5e72\u71e5\u65f6\u95f4\u4e3a\u4e00\u4e2a\u665a\u4e0a<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u8be5\u6587\u7ae0\u6784\u7b51\u4e86\u5177\u6709\u4e0d\u540c\u8868\u9762\u7ed3\u6784\u7684Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u8fc8\u79d1\u70ef\uff0c\u5373Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u548cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M\uff0c\u5e76\u7cfb\u7edf\u5730\u5206\u6790\u4e86\u4e24\u79cd\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u548c\u7535\u5316\u5b66\u6027\u80fd\u7684\u5173\u7cfb\uff0c\u5e76\u7ed9\u51fa\u4e86\u8fd9\u4e24\u79cd\u7535\u6781\u6750\u6599\u7535\u5bb9\u6027\u80fd\u5b58\u5728\u5de8\u5927\u5dee\u5f02\u7684\u539f\u56e0\uff1a\u2013O\u5b98\u80fd\u56e2\u6bd4\u4f8b\u8d8a\u9ad8\uff0c\u81ea\u7531\u6c34\u542b\u91cf\u8d8a\u9ad8\uff0c\u8fc8\u79d1\u70ef\u7684\u7535\u5316\u5b66\u7535\u5bb9\u91cf\u5c31\u8d8a\u9ad8\u3002\u8be5\u7814\u7a76\u4e0d\u4ec5\u5408\u7406\u5730\u89e3\u91ca\u4e86\u957f\u671f\u4ee5\u6765Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u8fc8\u79d1\u70ef\u5728\u8d28\u91cf\u6bd4\u7535\u5bb9\u65b9\u9762\u5b58\u5728\u660e\u663e\u5dee\u5f02\u7684\u56f0\u60d1\uff0c\u800c\u4e14\u5bf9\u4e8e\u8fdb\u4e00\u6b65\u4f18\u5316Ti3<\/sub>C2<\/sub>T<\/em>x<\/sub> \u8fc8\u79d1\u70ef\u7684\u7535\u5bb9\u6027\u80fd\u6307\u660e\u4e86\u65b9\u5411\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Surface Functional Groups and Interlayer Water Determine the Electrochemical Capacitance of Ti3<\/sub>C2<\/sub>Tx<\/sub> MXene<\/strong><\/a>\uff08ACS Nano, 2018, DOI: 10.1021\/acsnano.8b00676\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u4eba\u7ec4\u675c\u6210\u6c5f\u7f16\u8f91\uff0c\u5468\u4f1f\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
\n \u5728Ti 2p\u548cO 1s\u7684XPS\u5149\u8c31\u4e2d\uff0cTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u20136M\u7684\u2013O\u5b98\u80fd\u56e2\u7684\u6bd4\u4f8b\u9ad8\u4e8eTi3<\/sub>C2<\/sub>T<\/em>x<\/sub>\u201315M<\/p>\n<\/p>\n