{"id":97460,"date":"2017-08-23T14:00:37","date_gmt":"2017-08-23T06:00:37","guid":{"rendered":"\/\/m.iemloyee.com\/?p=97460"},"modified":"2017-08-22T09:55:59","modified_gmt":"2017-08-22T01:55:59","slug":"acs-nano%ef%bc%9a%e5%88%a9%e7%94%a8%e8%87%aa%e7%bb%84%e8%a3%85%e7%ad%96%e7%95%a5%e7%b2%be%e7%a1%ae%e8%b0%83%e6%8e%a7%e8%a1%a8%e9%9d%a2%e5%8f%8d%e5%ba%94%e6%b4%bb%e6%80%a7%e4%bd%8d%e7%82%b9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=97460","title":{"rendered":"ACS Nano\uff1a\u5229\u7528\u81ea\u7ec4\u88c5\u7b56\u7565\u7cbe\u786e\u8c03\u63a7\u8868\u9762\u53cd\u5e94\u6d3b\u6027\u4f4d\u70b9"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u5728\u5f02\u76f8\u50ac\u5316\u53cd\u5e94\u7684\u7814\u7a76\u5de5\u4f5c\u4e2d\uff0c\u4e3a\u4e86\u6df1\u5165\u7406\u89e3\u50ac\u5316\u53cd\u5e94\u7684\u673a\u7406\uff0c\u5e76\u8fdb\u4e00\u6b65\u8c03\u63a7\u53cd\u5e94\u5386\u7a0b\u53ca\u53cd\u5e94\u4ea7\u7269\uff0c\u9700\u8981\u51c6\u786e\u5224\u65ad\u5316\u5b66\u53cd\u5e94\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u5e76\u5c06\u4e0d\u540c\u79cd\u7c7b\u7684\u6d3b\u6027\u4f4d\u70b9\u4e0e\u76f8\u5173\u7684\u5316\u5b66\u53cd\u5e94\u8054\u7cfb\u8d77\u6765\u3002\u7136\u800c\uff0c\u7531\u4e8e\u65e0\u6cd5\u901a\u8fc7\u76f4\u63a5\u89c2\u6d4b\u5e76\u6bd4\u8f83\u5f97\u5230\u56fa\u4f53\u50ac\u5316\u5242\u8868\u9762\u4e0d\u540c\u6d3b\u6027\u4f4d\u70b9\u4e4b\u95f4\u7684\u50ac\u5316\u6d3b\u6027\u5dee\u5f02\uff0c\u53c2\u4e0e\u53cd\u5e94\u7684\u53c8\u5f80\u5f80\u662f\u5982NH3<\/sub>\u3001CO\u3001O2<\/sub>\u7b49\u5c0f\u5206\u5b50\u3002\u8fd9\u4e9b\u5c0f\u5206\u5b50\u5728\u56fa\u4f53\u50ac\u5316\u5242\u7684\u8868\u9762\u4e0a\u5feb\u901f\u79fb\u52a8\uff0c\u96be\u4ee5\u7528\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c\uff08STM\uff09\u539f\u4f4d\u89c2\u6d4b\u5176\u5b9e\u65f6\u53cd\u5e94\u3002\u8fd9\u7ed9\u51c6\u786e\u5224\u65ad\u6d3b\u6027\u4f4d\u70b9\u4ee5\u53ca\u5728\u6d3b\u6027\u4f4d\u70b9\u4e0e\u76f8\u5173\u5316\u5b66\u53cd\u5e94\u4e4b\u95f4\u5efa\u7acb\u8054\u7cfb\u9020\u6210\u4e86\u76f8\u5f53\u5927\u7684\u56f0\u96be\u3002<\/p>\n \u4e3a\u4e86\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\uff0c\u5317\u4eac\u5927\u5b66\u5434\u51ef\u6559\u6388\u8bfe\u9898\u7ec4\u4e0e\u5176\u5408\u4f5c\u8005\u91c7\u53d6\u81ea\u7ec4\u88c5\u7684\u7b56\u7565\uff0c\u5229\u7528\u81ea\u7ec4\u88c5\u5f62\u6210\u7684\u590d\u5408\u7ed3\u6784\u5bf9\u53cd\u5e94\u7269\u5206\u5b50\u8d77\u5230\u4e86\u9650\u57df\u7684\u4f5c\u7528\uff0c\u8fd9\u76f8\u5f53\u4e8e\u5728\u56fa\u4f53\u50ac\u5316\u5242\u7684\u8868\u9762\u4e0a\u5f62\u6210\u9650\u5236\u53cd\u5e94\u7269\u5206\u5b50\u8fd0\u52a8\u7684\u5316\u5b66\u7b3c\uff0c\u4f7f\u540c\u4e00\u4e2a\u5316\u5b66\u7b3c\u4e2d\u7684\u53cd\u5e94\u7269\u5206\u5b50\u53d1\u751f\u53cd\u5e94\u7684\u6982\u7387\u589e\u5927\uff0c\u800c\u4e0d\u540c\u5316\u5b66\u7b3c\u4e4b\u95f4\u7684\u53cd\u5e94\u7269\u5206\u5b50\u53d1\u751f\u53cd\u5e94\u7684\u6982\u7387\u51cf\u5c0f\uff0c\u4ece\u800c\u8bc4\u4f30\u5e76\u6bd4\u8f83\u4e86\u56fa\u4f53\u50ac\u5316\u5242\u8868\u9762\u4e0d\u540c\u6d3b\u6027\u4f4d\u70b9\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u5e76\u8fdb\u4e00\u6b65\u5b9e\u73b0\u4e86\u539f\u5b50\/\u5206\u5b50\u6c34\u5e73\u7684\u5f02\u76f8\u50ac\u5316\u53cd\u5e94\u8c03\u63a7\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u7684\u5434\u51ef\u6559\u6388<\/strong>\u548c\u4e39\u9ea6\u5965\u5c14\u80e1\u65af\u5927\u5b66\u7684<\/strong>Trolle R. Linderoth<\/strong>\u526f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728ACS Nano<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cSteering Surface Reaction at Specific Sites with Self-Assembly Strategy<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u81ea\u7ec4\u88c5\uff0c\u5728Ag(111)\u4e0a\u5f62\u6210\u4e86BBP\u5355\u5c42\u819c\uff0c\u7814\u7a76\u4e86\u4e0d\u540c\u6e29\u5ea6\u4e0bBBP\u5728Ag(111)\u7684\u50ac\u5316\u4f5c\u7528\u4e0b\u53d1\u751fUllmann\u5076\u8054\u53cd\u5e94\u7684\u53cd\u5e94\u901f\u7387\u53ca\u53cd\u5e94\u4ea7\u7269\u3002\u5728Ullmann\u5076\u8054\u53cd\u5e94\u4e2d\uff0cBBP\u5148\u4e0eAg(111)\u53cd\u5e94\u8131\u53bbBr\u539f\u5b50\uff0c\u5f62\u6210\u4e2d\u95f4\u4ea7\u7269C6<\/sub>H5<\/sub>C6<\/sub>H4<\/sub>AgC6<\/sub>H4<\/sub>C6<\/sub>H5 <\/sub>(Ag-COI)\u3002\u4f4e\u6e29STM\u548c\u540c\u6b65XPS\u6d4b\u8bd5\u8868\u660e\uff0c\u4e2d\u95f4\u4ea7\u7269Ag-COI\u4e2d\u6240\u542b\u7684Ag\u539f\u5b50\u80fd\u591f\u5438\u9644\u5728Ag\uff08111\uff09\u8868\u9762\u7684\u4e09\u91cd\u5b54\u4f4d\u6216\u4e8c\u91cd\u6865\u4f4d\u4e0a\uff0c\u5176\u4e2d\u5438\u9644\u5728\u4e09\u91cd\u5b54\u4f4d\u7684\u4e2d\u95f4\u4ea7\u7269\u6bd4\u5438\u9644\u5728\u4e8c\u91cd\u6865\u4f4d\u7684\u4e2d\u95f4\u4ea7\u7269\u66f4\u5bb9\u6613\u8f6c\u5316\u4e3a\u6700\u7ec8\u5076\u8054\u4ea7\u72694,4\u2019-\u4e8c\u82ef\u57fa\u8054\u82ef\uff08QP\uff09\uff0c\u5373\u4e0d\u540c\u6d3b\u6027\u4f4d\u70b9\u7684\u50ac\u5316\u53cd\u5e94\u6d3b\u6027\u5448\u73b0\u51fa\u5f88\u5927\u7684\u5dee\u5f02\u3002\u8fd9\u4e00\u7ed3\u679c\u4e0eDFT\u8ba1\u7b97\u5f97\u5230\u7684\u5438\u9644\u80fd\u7ed3\u679c\u76f8\u7b26\u3002\u8fd9\u662f\u7814\u7a76\u4eba\u5458\u9996\u6b21\u76f4\u63a5\u89c2\u6d4b\u5230\u539f\u5b50\u7ea7\u5e73\u6574\u7684\u91d1\u5c5e\u8868\u9762\u4e0a\u4e0d\u540c\u5438\u9644\u4f4d\u70b9\u4e4b\u95f4\u5b58\u5728\u660e\u663e\u7684\u53cd\u5e94\u6d3b\u6027\u5dee\u5f02\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong>1. Ullmann<\/strong>\u5076\u8054\u53cd\u5e94<\/strong>\u8fc7\u7a0b\u4e2d\u7684<\/strong>STM<\/strong>\u50cf\uff08<\/strong>V=0.2 V, I=0.1 nA<\/strong>\uff09<\/strong><\/p>\n (a) \u50ac\u5316\u53cd\u5e94\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b<\/p>\n (b) \u6e29\u5ea6\u4e3a120K\u65f6BBP\u5438\u9644\u5728Ag(111)\u8868\u9762\u4e0a\u7684STM\u50cf\uff1b<\/p>\n (c) \u5ba4\u6e29\u65f6Ag-COI\u5438\u9644\u5728Ag(111)\u8868\u9762\u4e0a\u7684STM\u50cf\uff08\u56fe\u4e2d\u7684\u9ed1\u8272\u7bad\u5934\u548c\u7ea2\u8272\u7bad\u5934\u5206\u522b\u6307\u5411\u4e09\u91cd\u5b54\u4f4d\u548c\u4e8c\u91cd\u6865\u4f4d\uff09\uff1b<\/p>\n (d) \u6e29\u5ea6\u4e3a390K\u65f6\uff0c Ag(111)\u4e09\u91cd\u5b54\u4f4d\u4e0a\u5438\u9644\u7684\u90e8\u5206Ag-COI\uff08\u7531\u9ed1\u8272\u692d\u5706\u6807\u51fa\uff09\u8f6c\u5316\u4e3a\u6700\u7ec8\u4ea7\u7269QP\uff1b<\/p>\n (e) \u6e29\u5ea6\u4e3a400K\u65f6\uff0c Ag(111)\u4e09\u91cd\u5b54\u4f4d\u4e0a\u5438\u9644\u7684\u6240\u6709Ag-COI\u90fd\u8f6c\u5316\u4e3a\u6700\u7ec8\u4ea7\u7269QP\uff0c\u800cAg(111) \u4e8c\u91cd\u6865\u4f4d\u4e0a\u5438\u9644\u7684Ag-COI\u5747\u672a\u53c2\u4e0e\u53cd\u5e94\uff1b<\/p>\n (f) \u6e29\u5ea6\u4e3a410K\u65f6\uff0c Ag(111) \u4e8c\u91cd\u6865\u4f4d\u4e0a\u5438\u9644\u7684\u5927\u591a\u6570Ag-COI\u8f6c\u5316\u4e3a\u6700\u7ec8\u4ea7\u7269QP\uff08\u7531\u7ea2\u8272\u692d\u5706\u6807\u51fa\u7684\u90e8\u5206\u9664\u5916\uff09\uff1b<\/p>\n (g) \u6e29\u5ea6\u4e3a420K\u65f6\uff0c\u6240\u6709Ag-COI\u8f6c\u5316\u4e3a\u6700\u7ec8\u4ea7\u7269QP\u3002\u56fe\u4e2d\u7684\u9ed1\u8272\u7bad\u5934\u8868\u793aUllmann\u5076\u8054\u53cd\u5e94\u7ed3\u675f\u540eAg(111) \u8868\u9762\u4ea7\u751f\u7684\u88c2\u7eb9\uff1b\u5de6\u4e0b\u89d2\u63d2\u56fe\u4e3aSTM\u653e\u5927\u50cf\uff0c\u5176\u4e2d\u9ed1\u8272\u865a\u7ebf\u8868\u793a\u5206\u5b50\u8f74\u53d6\u5411\u3002<\/p>\n \u56fe<\/strong>2. <\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684<\/strong>XPS <\/strong>\uff08\u5de6\u5217\u4e3a<\/strong>Br 3d<\/strong>\u7279\u5f81\u5cf0\uff0c\u53f3\u5217\u4e3a<\/strong>C 1s<\/strong>\u7279\u5f81\u5cf0\uff09<\/strong><\/p>\n (a) \u6e29\u5ea6\u4e3a110K\u65f6BBP\u5728Ag(111) \u8868\u9762\u9971\u548c\u5438\u9644\u7684XPS\uff1b<\/p>\n (b) \u6e29\u5ea6\u4e3a323K\u65f6Ag-COI\u7684XPS\uff1b<\/p>\n (c) \u6e29\u5ea6\u4e3a483K\u65f6\u6700\u7ec8\u4ea7\u7269QP\u7684XPS\u3002<\/p>\n \u56fe<\/strong>3. <\/strong>\u7528<\/strong>STM<\/strong>\u68c0\u6d4b<\/strong>Ag-COI<\/strong>\u5728<\/strong>Ag(111) <\/strong>\u9762\u7684\u5438\u9644\u4f4d\u70b9<\/strong><\/p>\n (a) \u7d27\u5bc6\u5806\u79ef\u7684Ag-COI\u5c9b\u4e0e\u7a00\u758f\u7684Ag-COI\u5206\u5b50\u5171\u5b58\uff080.2 V, 0.1 nA\uff09\uff1b<\/p>\n (b) \u4e3a(a)\u56fe\u4e2d\u767d\u8272\u65b9\u6846\u533a\u57df\u7684\u653e\u5927\u56fe\uff0c\u4ece\u4e2d\u53ef\u89c1\u4e24\u79cd\u4e0d\u540c\u53d6\u5411\u7684Ag-COI\uff080.1 V, 0.4 nA\uff09\uff1b<\/p>\n (c) \u4e3a(b)\u56fe\u4e2d\u9ec4\u8272\u65b9\u6846\u533a\u57df\u7684\u653e\u5927\u56fe\uff0c\u4ece\u4e2d\u53ef\u89c1Ag-COI\u5c9b\u9644\u8fd1\u7684Ag(111)\u6676\u683c\u50cf\uff08-0.2 V, 3 nA\uff09\uff1b<\/p>\n (d) \u6d45\u84dd\u8272\u865a\u7ebf\u4e0a\u65b9\u4e3a(c)\u4e2d\u7684Ag(111)\u6676\u683c\u50cf\uff0c\u4e0b\u65b9\u4e3a(b)\u4e2d\u7684Ag-COI\u5c9b\uff0c\u767d\u8272\u7f51\u683c\u4ee3\u8868Ag(111)\u6676\u683c\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u533a\u5206\u4e24\u79cd\u4e0d\u540c\u7684\u5438\u9644\u4f4d\u70b9\uff0c\u5176\u4e2d\u90bb\u8fd1\u5438\u9644\u4f4d\u70b9\u7684Ag\u539f\u5b50\u7528\u84dd\u8272\u5706\u70b9\u6807\u51fa\uff0c\u5438\u9644\u5728\u4e8c\u91cd\u6865\u4f4d\u4e0a\u7684Ag-COI\u663e\u793a\u4e3a\u4e2d\u5fc3\u7a81\u51fa\u7684\u660e\u4eae\u6591\u70b9\uff0c\u5438\u9644\u5728\u4e09\u91cd\u5b54\u4f4d\u4e0a\u7684Ag-COI\u663e\u793a\u4e3a\u4e2d\u5fc3\u7a81\u51fa\u7684\u8f83\u6697\u6591\u70b9\u3002\u9ed1\u8272\u5b9e\u7ebf\u548c\u865a\u7ebf\u5206\u522b\u8868\u793aAg(111)\u6676\u683c\u548cAg-COI\u5206\u5b50\u8f74\u53d6\u5411\u3002<\/p>\n \u56fe<\/strong>4. <\/strong>\u7531<\/strong>STM<\/strong>\u5f97\u5230\u7684\u7ebf\u5256\u9762\u4ee5\u53ca\u7531<\/strong>DFT<\/strong>\u8ba1\u7b97\u5f97\u5230\u7684\u5438\u9644\u80fd<\/strong><\/p>\n (a) \u6cbf\u56fe3(b)\u4e2d\u7684\u7ea2\u8272\u5b9e\u7ebf\u548c\u9ed1\u8272\u5b9e\u7ebf\u65b9\u5411\u5f97\u5230\u7684\u7ebf\u5256\u9762\uff1b<\/p>\n (b) \u7528STM\u9488\u5c16\u628a\u4e00\u4e2aAg-COI\u5206\u5b50\u4ece\u4e09\u91cd\u5b54\u4f4d\u79fb\u52a8\u5230\u4e8c\u91cd\u6865\u4f4d\u4e0a\u7684STM\uff1b<\/p>\n (c) Ag-COI\u5728Ag(111)\u8868\u9762\u4e0d\u540c\u5438\u9644\u4f4d\u70b9\u7684\u5438\u9644\u80fd\uff08\u5176\u4e2d\u6a2a\u8f74\u8868\u793aAg-COI\u5206\u5b50\u7684\u957f\u8f74\u4e0eAg(111)\u6676\u9762\u4e0a\u4efb\u610f\u4e00\u6761\u7b49\u6548\u767d\u8272\u76f4\u7ebf\u7684\u5939\u89d2\uff09\uff1b<\/p>\n (d) Ag-COI\u5438\u9644\u5728Ag(111)\u8868\u9762\u7684\u4e09\u91cd\u5b54\u4f4d\u548c\u4e8c\u91cd\u6865\u4f4d\u7684\u793a\u610f\u56fe\u3002<\/p>\n \u56fe<\/strong>5. <\/strong>\u7531\u4e2d\u95f4\u4ea7\u7269<\/strong>C6<\/sub>H5<\/sub>C6<\/sub>H4<\/sub>CuC6<\/sub>H4<\/sub>C6<\/sub>H5<\/sub><\/strong>\u8f6c\u5316\u4e3a<\/strong>QP<\/strong>\u7684<\/strong>STM<\/strong>\u50cf<\/strong> \uff08<\/strong>V=0.2 V, I=0.1 nA<\/strong>\uff09<\/strong><\/p>\n \u4e2d\u95f4\u4ea7\u7269C6<\/sub>H5<\/sub>C6<\/sub>H4<\/sub>CuC6<\/sub>H4<\/sub>C6<\/sub>H5<\/sub>\u5448\u692d\u5706\u5f62\uff0c\u6700\u7ec8\u4ea7\u7269QP\u7531\u84dd\u8272\u692d\u5706\u6807\u51fa\u3002\u57fa\u5e95\u4e3aCu(111)\uff0c\u6e29\u5ea6\u4e3a450K\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u5229\u7528\u81ea\u7ec4\u88c5\u7b56\u7565\uff0c\u7814\u7a76\u4eba\u5458\u4ee5BBP\u5728Ag(111)\u50ac\u5316\u4e0b\u7684Ullmann\u5076\u8054\u53cd\u5e94\u4f5c\u4e3a\u6a21\u578b\u53cd\u5e94\uff0c\u9996\u6b21\u76f4\u63a5\u89c2\u6d4b\u5230\u5438\u9644\u5728Ag(111)\u8868\u9762\u4e0a\u4e09\u91cd\u5b54\u4f4d\u6216\u4e8c\u91cd\u6865\u4f4d\u7684Ag-COI\u53cd\u5e94\u6d3b\u6027\u660e\u663e\u4e0d\u540c\u3002\u91c7\u7528\u81ea\u7ec4\u88c5\u7684\u65b9\u6cd5\uff0c\u4e0d\u4ec5\u80fd\u5728\u539f\u5b50\/\u5206\u5b50\u6c34\u5e73\u4e0a\u539f\u4f4d\u89c2\u6d4bUllmann\u5076\u8054\u53cd\u5e94\u7684\u5168\u7a0b\uff0c\u8fd8\u80fd\u63ed\u793a\u4e0d\u540c\u6d3b\u6027\u4f4d\u70b9\u5728\u50ac\u5316\u53cd\u5e94\u4e2d\u6240\u8d77\u5230\u7684\u4f5c\u7528\u3002\u81ea\u7ec4\u88c5\u7b56\u7565\u4e3a\u5f02\u76f8\u50ac\u5316\u53cd\u5e94\u673a\u7406\u7684\u7814\u7a76\u5f00\u8f9f\u4e86\u4e00\u6761\u65b0\u8def\uff0c\u80fd\u5728\u4e9a\u5206\u5b50\u6c34\u5e73\u4e0a\u5b9e\u73b0\u5bf9\u53cd\u5e94\u9009\u62e9\u6027\u3001\u53cd\u5e94\u8def\u5f84\u548c\u53cd\u5e94\u4f4d\u70b9\u7684\u7cbe\u786e\u8c03\u63a7\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/b>Steering Surface Reaction at Specific Sites with Self-Assembly Strategy <\/a>(ACS Nano, 2017, DOI:\u00a010.1021\/acsnano.7b04900)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u738b\u948a\u9896\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u3002<\/a><\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n