{"id":261871,"date":"2024-08-08T07:50:46","date_gmt":"2024-08-07T23:50:46","guid":{"rendered":"\/\/m.iemloyee.com\/?p=261871"},"modified":"2024-08-07T15:54:41","modified_gmt":"2024-08-07T07:54:41","slug":"%e6%b1%9f%e5%8d%97%e5%a4%a7%e5%ad%a6%e6%9d%9c%e6%98%8e%e4%ba%aeacs-nano%ef%bc%9a%e5%8f%8c%e5%8e%9f%e5%ad%90%e5%82%ac%e5%8c%96%e5%89%82%e7%9a%84%e7%86%b5%e5%b7%a5%e7%a8%8b%e4%b8%ad%e9%97%b4","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=261871","title":{"rendered":"\u6c5f\u5357\u5927\u5b66\u675c\u660e\u4eaeACS\u00a0Nano\uff1a\u53cc\u539f\u5b50\u50ac\u5316\u5242\u7684\u71b5\u5de5\u7a0b\u4e2d\u95f4\u5408\u6210\u7b56\u7565\uff01"},"content":{"rendered":"

\"\" \u00a0\u00a0\u00a0<\/p>\n

\u8bba\u6587\u76f8\u5173\u4fe1\u606f<\/strong>\uff1a<\/p>\n

\u901a\u8baf\u4f5c\u8005\uff1a\u675c\u660e\u4eae<\/u><\/p>\n

\u901a\u8baf\u5355\u4f4d\uff1a\u6c5f\u5357\u5927\u5b66<\/u><\/p>\n

Doi: 10.1021\/acsnano.4c05568<\/u><\/a><\/p>\n

 <\/p>\n

\u3010\u5168\u6587\u901f\u89c8\u3011<\/p>\n

\u5c3d\u7ba1\u53cc\u5355\u539f\u5b50\u50ac\u5316\u5242 (DSACs) \u5177\u6709\u5de8\u5927\u7684\u6f5c\u529b\uff0c\u4f46\u5176\u5408\u6210\u8fc7\u7a0b\u4e2d\u7684\u590d\u6742\u6027\u3001\u7a33\u5b9a\u6027\u3001\u7eaf\u5ea6\u548c\u53ef\u6269\u5c55\u6027\u4ecd\u7136\u662f\u5f53\u524d\u7814\u7a76\u4e2d\u7684\u4e3b\u8981\u5173\u6ce8\u70b9\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u901a\u7528\u7b56\u7565\uff0c\u79f0\u4e3a\u201c\u71b5\u5de5\u7a0b\u4e2d\u95f4\u5408\u6210\u53cc\u5355\u539f\u5b50\u5316\u5408\u7269\u201d (EEMIS-DSAC)\uff0c\u8be5\u7b56\u7565\u7cbe\u5fc3\u8bbe\u8ba1\u4ee5\u751f\u4ea7\u591a\u79cdDSACs\uff0c\u6709\u6548\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u3002\u6211\u4eec\u7684\u7b56\u7565\u7ed3\u5408\u4e86\u81ea\u4e0b\u800c\u4e0a\u548c\u81ea\u4e0a\u800c\u4e0b\u4e24\u79cd\u8303\u5f0f\u7684\u4f18\u70b9\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u4f18\u5316\u50ac\u5316\u5242\u7ed3\u6784\u7684\u65b0\u89c1\u89e3\u3002\u6240\u5236\u5907\u7684DSACs\u5728\u785d\u9178\u76d0\u8fd8\u539f\u53cd\u5e94 (NO3<\/sub>RR)\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

\u80cc\u666f\u4ecb\u7ecd<\/p>\n

\u53cc\u5355\u539f\u5b50\u50ac\u5316\u5242 (DSACs) \u5df2\u6210\u4e3a\u50ac\u5316\u9886\u57df\u7684\u7126\u70b9\uff0c\u7531\u4e8e\u5176\u4f18\u5f02\u7684\u6027\u80fd\u548c\u5e94\u7528\u6f5c\u529b\u800c\u5e7f\u53d7\u5173\u6ce8\u3002DSACs \u901a\u8fc7\u5728\u5355\u4e00\u8f7d\u4f53\u4e0a\u5747\u5300\u5206\u6563\u4e24\u79cd\u4e0d\u540c\u7684\u91d1\u5c5e\u539f\u5b50\uff0c\u4e0d\u4ec5\u7ee7\u627f\u4e86\u5355\u539f\u5b50\u50ac\u5316\u5242 (SACs) \u7684\u9ad8\u6d3b\u6027\u548c\u9ad8\u9009\u62e9\u6027\uff0c\u8fd8\u901a\u8fc7\u4e24\u79cd\u91d1\u5c5e\u539f\u5b50\u4e4b\u95f4\u7684\u534f\u540c\u4f5c\u7528\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u50ac\u5316\u6027\u80fd\u3002\u7136\u800c\uff0c\u5c3d\u7ba1 DSACs \u5177\u6709\u5de8\u5927\u6f5c\u529b\uff0c\u4f46\u5176\u5408\u6210\u8fc7\u7a0b\u4e2d\u4ecd\u9762\u4e34\u5173\u952e\u6311\u6218\u3002\u9996\u5148\uff0c\u5f53\u524d\u7684\u5408\u6210\u65b9\u6cd5\u901a\u5e38\u590d\u6742\u4e14\u6602\u8d35\uff0c\u9650\u5236\u4e86\u5176\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u5e7f\u6cdb\u91c7\u7528\u3002\u5176\u6b21\uff0cDSACs \u7684\u7a33\u5b9a\u6027\u95ee\u9898\uff0c\u7279\u522b\u662f\u50ac\u5316\u53cd\u5e94\u4e2d\u7684\u5931\u6d3b\u73b0\u8c61\uff0c\u6210\u4e3a\u5176\u957f\u671f\u7a33\u5b9a\u5e94\u7528\u7684\u4e3b\u8981\u969c\u788d\u3002\u6b64\u5916\uff0c\u50ac\u5316\u5242\u7684\u7eaf\u5ea6\u95ee\u9898\u4e5f\u4e0d\u5bb9\u5ffd\u89c6\uff0c\u56e0\u4e3a\u4efb\u4f55\u6742\u8d28\u6216\u56e2\u7c07\u7ed3\u6784\u90fd\u4f1a\u5bf9\u5176\u6027\u80fd\u548c\u6d3b\u6027\u4ea7\u751f\u4e0d\u5229\u5f71\u54cd\u3002\u6700\u540e\uff0c\u5927\u591a\u6570\u73b0\u6709\u7684\u5408\u6210\u65b9\u6cd5\u90fd\u662f\u9488\u5bf9\u7279\u5b9a\u91d1\u5c5e\u548c\u57fa\u5e95\u6750\u6599\u5b9a\u5236\u7684\uff0c\u8fd9\u5927\u5927\u9650\u5236\u4e86 DSACs \u7684\u53ef\u6269\u5c55\u6027\u548c\u5e7f\u6cdb\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5145\u5206\u5229\u7528 DSACs \u7684\u4f18\u52bf\uff0c\u5fc5\u987b\u89e3\u51b3\u8fd9\u4e9b\u6311\u6218\uff0c\u4f18\u5316\u5408\u6210\u6280\u672f\uff0c\u5f00\u53d1\u66f4\u901a\u7528\u548c\u9ad8\u6548\u7684\u5408\u6210\u65b9\u6cd5\u3002<\/p>\n

\u5728 SACs \u5408\u6210\u9886\u57df\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u7b56\u7565\u2014\u2014\u81ea\u4e0a\u800c\u4e0b\u548c\u81ea\u4e0b\u800c\u4e0a\u2014\u2014\u6bcf\u79cd\u7b56\u7565\u90fd\u6709\u5176\u56fa\u6709\u7684\u6311\u6218\u548c\u5c40\u9650\u6027\u3002\u81ea\u4e0a\u800c\u4e0b\u7684\u65b9\u6cd5\u901a\u5e38\u4ece\u8f83\u5927\u7684\u91d1\u5c5e\u7ed3\u6784\uff08\u5982\u7eb3\u7c73\u7c92\u5b50\u6216\u7eb3\u7c73\u7c07\uff09\u5f00\u59cb\uff0c\u91c7\u7528\u7535\u5316\u5b66\u8680\u523b\u6216\u70ed\u5904\u7406\u7b49\u65b9\u6cd5\u5c06\u5176\u9010\u6b65\u5206\u89e3\u4e3a\u5355\u4e2a\u539f\u5b50\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4e3b\u8981\u6311\u6218\u662f\u9700\u8981\u7cbe\u786e\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u4e0d\u5b8c\u5168\u6216\u8fc7\u5ea6\u5206\u89e3\uff0c\u4ece\u800c\u5f71\u54cd\u50ac\u5316\u5242\u7684\u7a33\u5b9a\u6027\u548c\u6d3b\u6027\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u81ea\u4e0b\u800c\u4e0a\u7684\u7b56\u7565\u4ece\u91d1\u5c5e\u79bb\u5b50\u6216\u6709\u673a\u91d1\u5c5e\u5316\u5408\u7269\u5f00\u59cb\uff0c\u901a\u8fc7\u5316\u5b66\u6216\u7269\u7406\u65b9\u6cd5\u9010\u6b65\u6784\u5efa\u5230\u5355\u539f\u5b50\u6c34\u5e73\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u7f3a\u70b9\u5305\u62ec\u9700\u8981\u591a\u6b65\u9aa4\u7a0b\u5e8f\u548c\u590d\u6742\u63a7\u5236\uff0c\u5e76\u4e14\u53ef\u80fd\u6d89\u53ca\u4f7f\u7528\u6f5c\u5728\u7684\u6709\u6bd2\u3001\u6602\u8d35\u6216\u73af\u5883\u4e0d\u53cb\u597d\u7684\u5316\u5b66\u8bd5\u5242\u3002\u603b\u4e4b\uff0c\u8fd9\u4e24\u79cd\u7b56\u7565\u5728\u6750\u6599\u7a33\u5b9a\u6027\u3001\u4ea7\u54c1\u7eaf\u5ea6\u3001\u73af\u5883\u5f71\u54cd\u3001\u65f6\u95f4\u6548\u7387\u548c\u53ef\u6269\u5c55\u6027\u65b9\u9762\u90fd\u9762\u4e34\u56fa\u6709\u6311\u6218\u3002<\/p>\n

\u5728\u6b64\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u901a\u7528\u7684\u65b9\u6cd5\uff0c\u79f0\u4e3a\u201c\u71b5\u5de5\u7a0b\u4e2d\u95f4\u5408\u6210\u53cc\u5355\u539f\u5b50\u5316\u5408\u7269\u201d (EEMIS-DSAC)\u3002\u8be5\u65b9\u6cd5\u5de7\u5999\u5730\u7f13\u89e3\u4e86\u590d\u6742\u6027\u3001\u7a33\u5b9a\u6027\u3001\u7eaf\u5ea6\u548c\u53ef\u6269\u5c55\u6027\u65b9\u9762\u7684\u6311\u6218\uff0c\u4fc3\u8fdb\u4e86\u591a\u79cd DSACs \u7684\u76f4\u63a5\u5236\u9020\u3002\u6211\u4eec\u5c06\u71b5\u7684\u6982\u5ff5\u5f15\u5165\u5230 SACs \u4e2d\u3002\u968f\u7740\u91d1\u5c5e\u539f\u5b50\u7684\u539f\u5b50\u5206\u6563\u5bfc\u81f4\u7cfb\u7edf\u7684\u6784\u578b\u71b5\u589e\u52a0\uff0c\u8fd9\u79cd\u71b5\u7684\u589e\u52a0\u53ef\u80fd\u6210\u4e3a SACs \u5f62\u6210\u7684\u4e3b\u8981\u9a71\u52a8\u529b\u3002EEMIS-DSAC \u7b56\u7565\u4f4d\u4e8e\u81ea\u4e0b\u800c\u4e0a\u548c\u81ea\u4e0a\u800c\u4e0b\u8303\u5f0f\u7684\u4ea4\u6c47\u70b9\uff0c\u5b8c\u7f8e\u7ed3\u5408\u4e86\u4e24\u79cd\u6280\u672f\u7684\u4f18\u52bf\u3002\u8fd9\u79cd\u201c\u4e2d\u95f4\u5408\u6210\u201d\u65b9\u6cd5\u7279\u522b\u5f3a\u8c03\u201c\u4e2d\u95f4\u201d\u9636\u6bb5\u7684\u91cd\u8981\u6027\u3002\u901a\u8fc7\u81ea\u4e0b\u800c\u4e0a\u7684\u78b3\u70ed\u8fd8\u539f\uff0c\u6211\u4eec\u5c06\u91d1\u5c5e\u76d0\u8f6c\u5316\u4e3a\u7eb3\u7c73\u7c92\u5b50\u3002\u7136\u540e\uff0c\u5229\u7528\u81ea\u4e0a\u800c\u4e0b\u7684\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u6280\u672f\uff0c\u6211\u4eec\u7cbe\u786e\u5730\u5c06\u8fd9\u4e9b\u7eb3\u7c73\u7c92\u5b50\u8f6c\u5316\u4e3a\u5355\u539f\u5b50\u7ed3\u6784\u3002\u5728\u7cfb\u7edf\u71b5\u589e\u52a0\u7684\u4e3b\u8981\u63a8\u52a8\u4e0b\uff0c\u8fd9\u4e24\u79cd\u7b56\u7565\u5728\u6574\u4e2a\u5408\u6210\u8fc7\u7a0b\u4e2d\u534f\u540c\u5de5\u4f5c\uff0c\u786e\u4fdd\u4e86\u65e0\u4e0e\u4f26\u6bd4\u7684\u539f\u5b50\u7cbe\u5ea6\u3002\u56e0\u6b64\uff0c\u5b83\u4e3a\u50ac\u5316\u9886\u57df\u9762\u4e34\u7684\u5404\u79cd\u6311\u6218\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\u3002\u4f5c\u4e3a\u6982\u5ff5\u9a8c\u8bc1\uff0c\u5408\u6210\u50ac\u5316\u5242\u7684\u6027\u80fd\u901a\u8fc7\u785d\u9178\u76d0\u8fd8\u539f\u53cd\u5e94 (NO3RR) \u8fdb\u884c\u4e86\u8bc4\u4f30\uff0c\u5c55\u793a\u4e86\u5176\u4f5c\u4e3a\u7535\u50ac\u5316\u5242\u7684\u6f5c\u529b\u3002<\/p>\n

 <\/p>\n

\u3010\u56fe\u6587\u89e3\u6790\u3011<\/p>\n

\"\"<\/p>\n

\u56fe\u4e00 \u53cc\u5355\u539f\u5b50\u50ac\u5316\u5242\u5408\u6210\u6982\u5ff5\u56fe<\/strong><\/p>\n

EEMIS-DSAC\u65b9\u6cd5\u7684\u6838\u5fc3\u5728\u4e8e\u5229\u7528\u71b5\u589e\u52a0\u4f5c\u4e3a\u9a71\u52a8\u529b\uff0c\u901a\u8fc7\u5e95\u90e8\u7684\u78b3\u70ed\u8fd8\u539f\u548c\u9876\u90e8\u7684\u5316\u5b66\u6c14\u76f8\u6c89\u79ef (CVD) \u6280\u672f\u5b9e\u73b0\u91d1\u5c5e\u539f\u5b50\u7684\u7cbe\u51c6\u5206\u6563\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u9996\u5148\uff0c\u901a\u8fc7\u9759\u7535\u7eba\u4e1d\u6280\u672f\u5236\u5907\u201c\u5939\u5fc3\u201d\u7ed3\u6784\u7684\u7eb3\u7c73\u7ea4\u7ef4\u819c\uff0c\u4e2d\u95f4\u5c42\u7531\u63ba\u6742\u91d1\u5c5e\u76d0\u7684\u805a\u4e19\u70ef\u8148 (PAN) \u7ea4\u7ef4\u7ec4\u6210\uff0c\u4e24\u4fa7\u4e3a\u7eaf PAN \u7ea4\u7ef4\u3002\u9884\u6c27\u5316\u8fc7\u7a0b\u4e2d\uff0cPAN \u5206\u5b50\u94fe\u65ad\u88c2\u5f62\u6210\u5fae\u5b54\u7f3a\u9677\u7ed3\u6784\uff0c\u540c\u65f6\u91d1\u5c5e\u76d0\u9010\u6b65\u8f6c\u5316\u4e3a\u91d1\u5c5e\u6c27\u5316\u7269\u3002\u968f\u540e\uff0c\u5728\u6c29\u6c14\u4fdd\u62a4\u4e0b\uff0c\u7ea4\u7ef4\u5728\u9010\u6e10\u5347\u9ad8\u7684\u6e29\u5ea6\u4e0b\u5f00\u59cb\u78b3\u5316\u5e76\u53d1\u751f\u78b3\u70ed\u8fd8\u539f\u53cd\u5e94\uff0c\u5f62\u6210\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u3002\u901a\u8fc7\u8fdb\u4e00\u6b65\u7684\u9ad8\u6e29\u9000\u706b\u548cCVD\u6280\u672f\uff0c\u8fd9\u4e9b\u7eb3\u7c73\u9897\u7c92\u8f6c\u5316\u4e3a\u5355\u539f\u5b50\u7ed3\u6784\uff0c\u5b9e\u73b0DSACs\u7684\u539f\u5b50\u7ea7\u5206\u6563\u3002<\/p>\n

\u71b5\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\u8d77\u5230\u4e86\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u5409\u5e03\u65af\u81ea\u7531\u80fd\u65b9\u7a0b (\u0394G = \u0394H \u2212\u00a0T\u0394S)\uff0c\u53ef\u4ee5\u7406\u89e3\u91d1\u5c5e\u6c27\u5316\u7269\u5411\u91d1\u5c5e\u7eb3\u7c73\u6676\u4f53\u53ca\u5355\u539f\u5b50\u8f6c\u5316\u7684\u81ea\u53d1\u6027\u3002\u5728\u78b3\u70ed\u8fd8\u539f\u8fc7\u7a0b\u4e2d\uff0c\u4f4e\u6e29\u4e0b\u7531\u4e8e\u0394G\u4e3a\u6b63\uff0c\u91d1\u5c5e\u539f\u5b50\u66f4\u503e\u5411\u4e8e\u5f62\u6210\u65e0\u5e8f\u6216\u975e\u6676\u6001\u805a\u96c6\u4f53\uff1b\u968f\u7740\u6e29\u5ea6\u5347\u9ad8\uff0c\u7cfb\u7edf\u5438\u6536\u66f4\u591a\u70ed\u91cf\uff0c\u4f7f\u91d1\u5c5e\u539f\u5b50\u514b\u670d\u76f8\u4e92\u6392\u65a5\u529b\uff0c\u9010\u6e10\u5f62\u6210\u6709\u5e8f\u6676\u4f53\u7ed3\u6784\uff0c\u6b64\u65f6\u7531\u4e8eT\u0394S\u7684\u663e\u8457\u589e\u5927\uff0c\u4f7f\u5f97\u0394G\u53d8\u4e3a\u8d1f\u503c\uff0c\u6676\u4f53\u5f62\u6210\u8fc7\u7a0b\u81ea\u53d1\u8fdb\u884c\u3002\u5728\u81ea\u4e0a\u800c\u4e0b\u7684\u76f8\u53d8\u8fc7\u7a0b\u4e2d\uff0c\u7eb3\u7c73\u6676\u4f53\u5411\u5355\u539f\u5b50\u7684\u8f6c\u53d8\u4e3b\u8981\u4f9d\u9760\u71b5\u589e\u9a71\u52a8\uff0c\u5c3d\u7ba1\u6b64\u8fc7\u7a0b\u4e3a\u5438\u70ed\u53cd\u5e94 (\u0394H > 0)\uff0c\u4f46\u7531\u4e8e\u9ad8\u6e29\u6761\u4ef6\u4e0b\u663e\u8457\u7684\u71b5\u589e (\u0394S > 0) \u548c T\u0394S \u7684\u589e\u5927\uff0c\u4f7f\u5f97\u0394G\u53d8\u4e3a\u8d1f\u503c\uff0c\u5b9e\u73b0\u4ece\u6709\u5e8f\u6676\u683c\u5230\u5355\u539f\u5b50\u7684\u81ea\u53d1\u8f6c\u53d8\u3002<\/p>\n

\u5728TEM\u548cXRD\u5206\u6790\u4e2d\uff0c\u6e05\u6670\u5730\u9a8c\u8bc1\u4e86\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u548c\u5355\u539f\u5b50\u7ed3\u6784\u7684\u5b58\u5728\u53ca\u5176\u5206\u5e03\u3002\u4e0e\u4f20\u7edf\u7684\u201c\u4e0a\u6e38-\u4e0b\u6e38\u201d\u84b8\u53d1\u6355\u96c6\u7b56\u7565\u76f8\u6bd4\uff0cEEMIS-DSAC\u65b9\u6cd5\u5c55\u793a\u4e86\u663e\u8457\u7684\u53ef\u6269\u5c55\u6027\u548c\u5bf9\u91d1\u5c5e\u8d1f\u8f7d\u6bd4\u7684\u7cbe\u786e\u63a7\u5236\uff0c\u4e3a\u591a\u79cd\u50ac\u5316\u5242\u7684\u5408\u6210\u63d0\u4f9b\u4e86\u5f3a\u6709\u529b\u7684\u8def\u7ebf\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2 \u53cc\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u8868\u5f81\u56fe<\/strong><\/p>\n

\u5229\u7528X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31 (XPS) \u548cX\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784 (XAFS) \u5149\u8c31\uff0c\u6df1\u5165\u63a2\u8ba8\u4e86CuNi DSACs\u4e2dCu\u548cNi\u7684\u5c40\u90e8\u7ed3\u6784\u4e0e\u914d\u4f4d\u73af\u5883\u3002XPS\u5206\u6790\u63ed\u793a\u4e86Cu\u548cNi\u7684\u7535\u5b50\u8f6c\u79fb\u73b0\u8c61\uff0c\u5176\u4e2dCu\u7684\u7ed3\u5408\u80fd\u4e0a\u79fb0.20 eV\uff0cNi\u7684\u7ed3\u5408\u80fd\u4e0b\u79fb0.24 eV\uff0c\u8868\u660e\u7535\u5b50\u4eceCu\u8f6c\u79fb\u81f3Ni\u3002Raman\u5149\u8c31\u663e\u793aCuNi DSACs\u5177\u6709\u66f4\u9ad8\u7684\u7ed3\u6784\u7f3a\u9677\u548c\u77f3\u58a8\u5316\u7a0b\u5ea6\u3002XAFS\u5206\u6790\u8fdb\u4e00\u6b65\u786e\u8ba4\u4e86Cu-N\u548cNi-N\u914d\u4f4d\u7684\u5b58\u5728\uff0c\u5e76\u901a\u8fc7\u5085\u91cc\u53f6\u53d8\u6362\u6269\u5c55X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784 (FT-EXAFS) \u548c\u6ce2\u5217\u53d8\u6362 (WT-EXAFS) \u5206\u6790\uff0c\u9a8c\u8bc1\u4e86Cu-N4\u548cNi-N4\u5355\u539f\u5b50\u914d\u4f4d\u7ed3\u6784\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660eCuNi DSACs\u4e2d\u5b58\u5728\u663e\u8457\u7684\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\uff0c\u6781\u5927\u5730\u4f18\u5316\u4e86\u50ac\u5316\u6027\u80fd\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3 CuNi DSACs\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\u4e3a\u4e86\u9a8c\u8bc1\u6240\u5236\u5907\u7684CuNi DSACs\u5728\u785d\u9178\u76d0\u8fd8\u539f\u53cd\u5e94\uff08NO3RR\uff09\u4e2d\u7684\u6f5c\u529b\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u4e00\u7cfb\u5217\u7535\u5316\u5b66\u6d4b\u8bd5\u3002\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u6cd5\uff08LSV\uff09\u7ed3\u679c\u663e\u793a\uff0cCuNi DSACs\u5728-0.2 V vs. RHE\u4e0b\u7684\u7535\u6d41\u5bc6\u5ea6\u8fbe\u523080 mA cm\u22122\uff0c\u663e\u8457\u4f18\u4e8eCu\u548cNi\u5355\u539f\u5b50\u50ac\u5316\u5242\u3002CuNi DSACs\u5728\u4e0d\u540cNO3\u2212\u6d53\u5ea6\u4e0b\u8868\u73b0\u51fa\u4e00\u9636\u52a8\u529b\u5b66\u7279\u6027\uff0c\u5e76\u5728NO3\u2212\u6d53\u5ea6\u8fbe\u5230\u9971\u548c\u540e\u4e0d\u518d\u589e\u52a0\u53cd\u5e94\u901f\u7387\u3002\u57282000 ppm NO3\u2212\u6761\u4ef6\u4e0b\uff0cCuNi DSACs\u5b9e\u73b0\u4e8696.97%\u7684\u6700\u5927\u6cd5\u62c9\u7b2c\u6548\u7387\uff08FE\uff09\uff0c\u8d28\u91cf\u751f\u4ea7\u7387\u4e3a131.47 mg h\u22121 mg\u22121\uff0c\u9762\u79ef\u751f\u4ea7\u7387\u4e3a10.06 mg h\u22121 cm\u22122\u3002\u5728\u7a33\u5b9a\u6027\u6d4b\u8bd5\u4e2d\uff0cCuNi DSACs\u572872\u5c0f\u65f6\u5185\u4fdd\u6301\u4e86\u9ad8\u6548\u7684\u50ac\u5316\u6027\u80fd\u3002\u5f02\u4f4d\u6807\u8bb0\u5b9e\u9a8c\u8fdb\u4e00\u6b65\u786e\u8ba4\u4e86NH3\u7684\u6765\u6e90\u3002\u76f8\u6bd4\u4e8e\u5176\u4ed6\u5df2\u62a5\u9053\u7684\u50ac\u5316\u5242\uff0cCuNi DSACs\u5c55\u793a\u4e86\u5353\u8d8a\u7684\u4ea7\u7387\u548cFE\uff0c\u7a81\u663e\u4e86\u5176\u5728NO3RR\u4e2d\u7684\u5de5\u4e1a\u5e94\u7528\u6f5c\u529b\u548c\u4f18\u8d8a\u6027\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4 \u7406\u8bba\u8ba1\u7b97\u56fe<\/strong><\/p>\n

\u4e3a\u4e86\u6df1\u5165\u7814\u7a76CuNi DSACs\u7684\u7ed3\u6784\u548c\u50ac\u5316\u6027\u8d28\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u5982\u56fe4a\u6240\u793a\u7684\u7ed3\u6784\u3002\u5728\u6b64\u914d\u7f6e\u4e2d\uff0cCu\u548cNi\u539f\u5b50\u4e0e\u5468\u56f4\u7684N\u539f\u5b50\u5f62\u6210\u56db\u9762\u4f53\u914d\u4f4d\uff0c\u901a\u8fc7N\u539f\u5b50\u6865\u63a5\u3002\u8868\u9762\u7535\u52bf\u5206\u5e03\u8ba1\u7b97\uff08\u56fe4b\uff09\u663e\u793aCu\u548cNi\u539f\u5b50\u95f4\u663e\u8457\u7684\u7535\u52bf\u5dee\uff0c\u8fd9\u4ea7\u751f\u4e86\u5185\u5728\u7535\u573a\u548cLewis\u9178\u78b1\u5bf9\uff0c\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u50ac\u5316\u6d3b\u6027\u3002\u8be5\u914d\u4f4d\u663e\u8457\u589e\u5f3a\u4e86Ni\u539f\u5b50\u7684\u81ea\u65cb\u7535\u8377\u5bc6\u5ea6\uff08\u56fe4c\uff09\uff0c\u6539\u53d8\u4e86\u7cfb\u7edf\u4e2d\u7684\u952e\u5408\u72b6\u6001\uff0c\u5f62\u6210\u591a\u73af\u5171\u5b58\u7684\u7ed3\u6784\uff0c\u589e\u5f3a\u4e86\u91d1\u5c5e\u539f\u5b50\u4e0eN\u7684\u914d\u4f4d\u5f3a\u5ea6\u3002\u6295\u5f71\u6001\u5bc6\u5ea6\uff08PDOS\uff09\u5206\u6790\uff08\u56fe4d\uff09\u663e\u793aCu\u548cNi\u5728\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u7684\u660e\u663e\u5206\u88c2\uff0c\u8868\u660e\u5b83\u4eec\u4f5c\u4e3a\u7535\u5b50\u4f9b\u4f53\u7684\u4f18\u8d8a\u6027\u3002\u50ac\u5316\u8fc7\u7a0b\u4e2d\uff082+6\uff09\u7535\u5b50\u8f6c\u79fb\u8ba1\u7b97\u7ed3\u679c\u663e\u793a\uff0cCuNi DSACs\u5728NO\u8f6c\u5316\u4e3aNOH\u7684\u6b65\u9aa4\u4e2d\u4ec5\u97000.52 eV\uff0c\u8fdc\u4f4e\u4e8eCu\u548cNi\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0c\u8bc1\u660e\u5176\u50ac\u5316\u6d3b\u6027\u663e\u8457\u4f18\u4e8e\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0c\u4e0e\u5b9e\u9a8c\u7ed3\u679c\u4e00\u81f4\u3002<\/p>\n

 <\/p>\n

\u3010\u603b\u7ed3\u4e0e\u5c55\u671b\u3011<\/p>\n

\u603b\u4e4b\uff0c\u4e0e\u4f20\u7edf\u7684\u5355\u539f\u5b50\u50ac\u5316\u5242\uff08SACs\uff09\u5408\u6210\u65b9\u6cd5\u548c\u7b56\u7565\u76f8\u6bd4\uff0c\u6211\u4eec\u63cf\u8ff0\u7684EEMIS-DSAC\u7b56\u7565\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u4fbf\u3001\u7cbe\u786e\u3001\u7ecf\u6d4e\u4e14\u9ad8\u6548\u7684\u5927\u89c4\u6a21\u751f\u4ea7\u53cc\u5355\u539f\u5b50\u5316\u5408\u7269\uff08DSACs\uff09\u7684\u65b9\u6cd5\u3002\u8be5\u7b56\u7565\u7ed3\u5408\u4e86\u4f20\u7edf\u7684\u81ea\u4e0b\u800c\u4e0a\u548c\u81ea\u4e0a\u800c\u4e0b\u7684\u65b9\u6cd5\uff0c\u521b\u65b0\u6027\u5730\u5f00\u53d1\u4e86\u4e00\u79cd\u5177\u6709\u5e7f\u6cdb\u9002\u5e94\u6027\u7684\u5408\u6210\u65b9\u6cd5\uff0c\u65e8\u5728\u5236\u9020\u591a\u79cdDSACs\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u901a\u8fc7EEMIS-DSAC\u7b56\u7565\u5236\u5907\u7684DSACs\u5728NO3RR\u4e2d\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u5de5\u4e1a\u7ea7\u7535\u50ac\u5316\u6027\u80fd\uff0c\u8fd9\u7a81\u663e\u4e86\u4f7f\u7528EEMIS-DSAC\u65b9\u6cd5\u5408\u6210\u7684DSACs\u5728\u672a\u6765\u50ac\u5316\u5e94\u7528\u4e2d\u7684\u5de8\u5927\u6f5c\u529b\u3002\u91cd\u8981\u7684\u662f\uff0cEEMIS-DSAC\u7b56\u7565\u4e0d\u4ec5\u4e3aDSACs\u7684\u5927\u89c4\u6a21\u751f\u4ea7\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\uff0c\u8fd8\u4e3a\u5229\u7528DSACs\u5b9e\u73b0\u9ad8\u4ef7\u503c\u71c3\u6599\u548c\u5de5\u4e1a\u539f\u6750\u6599\u7684\u53ef\u6301\u7eed\u751f\u4ea7\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n

 <\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u4ecb\u7ecd\u3011<\/p>\n

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