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\u672c\u5de5\u4f5c\u91c7\u7528X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31(XPS,\u56fe2a<\/strong>)\u7814\u7a76\u4e86BaONCs\u7684\u5316\u5b66\u6210\u5206\u548c\u4ef7\u6001\u3002Ba3<\/sub>dX<\/sub>\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\u7684\u53cd\u8936\u79ef\u8868\u660e\uff0c4\u4e2a\u7279\u5f81\u5cf0\u7684\u7ed3\u5408\u80fd\u5206\u522b\u4e3a794.61\uff0c792.84\uff0c778.99\u548c777.15 eV\u3002\u4f4d\u4e8e792.84\u548c777.15 eV\u7684\u5cf0\u5206\u522b\u5bf9\u5e94\u4e8eBa3<\/sub>d3\/2<\/sub>\u548cBa3<\/sub>d5\/2<\/sub>\u7684\u81ea\u65cb\u8f68\u9053\uff0c\u8868\u660eBaONC<\/sub>s\u5728TNS\u8868\u9762\u751f\u6210\u3002\u53e6\u5916\u4e24\u4e2a\u80a9\u5cf0(794.6\u548c778.99\u00a0eV)\u88ab\u9274\u5b9a\u4e3aBaONC<\/sub>s\u4e2d\u7684Ba\u4e0eTNS\u4e2d\u7684O\u5f62\u6210Ba-O\u952e\u3002\u4e9a\u7eb3\u7c73 MO<\/b><\/strong>NCs<\/b><\/sub><\/strong>\u00a0\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u901a\u7528\u65b9\u6cd5\u7cbe\u786e\u5730\u56fa\u5b9a\u5728TNS\u4e0a\u7684\u5149\u8bf1\u5bfc\u7a7a\u4f4d<\/b><\/strong>\u70b9\u3002 \u7531\u4e8e\u7a7a\u4f4d\u5904\u5b64\u5bf9\u7535\u5b50\u7684\u6570\u91cf\u6709\u9650\uff0c\u56e2\u7c07\u5c3a\u5bf8\u53d7\u9650\u4e8e\u4e9a\u7eb3\u7c73\u533a\u57df\uff0c\u8fd9\u963b\u788d\u4e86\u5b83\u4eec\u7684\u8fc7\u5ea6\u805a\u96c6\u548c\u751f\u957f\uff0c\u4ece\u800c\u5728TNS\u7684\u7f3a\u9677\u4f4d\u5b9e\u73b0\u4e9a\u7eb3\u7c73MONCs<\/sub>\u7684\u64cd\u4f5c\u6784\u5efa\u3002\u63a5\u4e0b\u6765\uff0c\u5bf9\u6240\u5236\u5907\u7684\u4e9a\u7eb3\u7c73MONCs<\/sub>-TNS\u590d\u5408\u6750\u6599\u7684\u5149\u5b66\u548c\u7535\u5b50\u7279\u6027\u8fdb\u884c\u4e86\u8c03\u67e5\u3002\u7a33\u5b9a\u548c\u65f6\u95f4\u5206\u8fa8\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\uff08\u56fe2d<\/strong>\uff09\u8868\u660e\uff0c\u5728MONC<\/sub>\u7684\u64cd\u4f5c\u6784\u5efa\u540e\uff0cTNS\u7684\u7535\u8377\u5206\u79bb\u80fd\u529b\u660e\u663e\u589e\u5f3a\u3002<\/p>\n

\u5bf9NO3<\/sub>–<\/sup>\u5230NH4+<\/sup>\u6027\u80fd\u7684\u8bc4\u4f30\u9996\u5148\u5728\u5168\u5149\u8c31\u7167\u660e\u4e0b\u5728100\u2009mL\u7684 KNO3<\/sub>\u6eb6\u6db2\u4e2d\u8fdb\u884c\uff0cTNS\u4e2d\u7684\u6c27\u7a7a\u4f4d(OVs)\u7531\u4e8e\u901a\u8fc7\u5149\u7167\u5c04\u53ef\u89c2\u5bdf\u5230\u7684OVs\u7ed3\u6784\uff0c\u88ab\u786e\u5b9a\u4e3a\u6d3b\u6027\u4f4d\u3002\u6700\u91cd\u8981\u7684\u662f\uff0cMONCs\u7684\u64cd\u4f5c\u7ed3\u6784\u548cNH4<\/sub>+<\/sup>\u5149\u5408\u4f5c\u7528\u901f\u7387\u7684\u63d0\u9ad8\u4e0e\u53cd\u5e94\u540c\u65f6\u5b8c\u6210\u3002\u7531\u4e8eMONCs\u7684\u6784\u5efa\u548cNH4<\/sub>+<\/sup>\u7684\u5408\u6210\u540c\u65f6\u8fdb\u884c\uff0cMONCs\u7684NH4<\/sub>+<\/sup>\u5408\u6210\u901f\u7387\u63d0\u9ad8\uff0cNH4<\/sub>+<\/sup>\u751f\u6210\u659c\u7387\u9010\u6e10\u589e\u5927\u662f\u5408\u7406\u7684\u3002\u6b64\u5916\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63ed\u793aMONCs<\/sub>-TNS\u7684\u6d3b\u6027\u8d77\u6e90\uff0c\u672c\u5de5\u4f5c\u7528\u60f0\u6027SiO2<\/sub>\u7eb3\u7c73\u7c92\u5b50\u66ff\u4ee3TNS\u57fa\u5e95\u8fdb\u884c\u4e86\u989d\u5916\u7684\u63a7\u5236\u5b9e\u9a8c\u3002\u89c2\u5bdf\u5230MONCs-SiO<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cNO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR\u540c\u65f6\u6784\u5efa\u8fc7\u7a0b\u4e2d\u672a\u68c0\u6d4b\u5230NH4<\/b><\/strong>+<\/b><\/sup><\/strong>\uff0c\u8bf4\u660eNH4<\/b><\/strong>+<\/b><\/sup><\/strong>\u5408\u6210\u6548\u7387\u7684\u63d0\u9ad8\u6709\u52a9\u4e8eMONCs-TNS\u590d\u5408\u6750\u6599\u7684\u6784\u5efa<\/b><\/strong>\u3002<\/p>\n

\u672c\u5de5\u4f5c\u8fdb\u4e00\u6b65\u7814\u7a76\u4e86NO3<\/sub>-RR\u5bf9BaONCs-TNS\u4e0aNH4<\/sub>+<\/sup>\u5149\u5408\u4f5c\u7528\u7684\u9009\u62e9\u6027\u3002\u8f90\u71673\u2009h\u540e\uff0c29.64\u2009mmol\u2009gcat\u22121<\/sup>NO3<\/sub>\u2212<\/sup>\u88ab\u8fd8\u539f\u751f\u6210 29.26\u2009mmol\u2009gcat\u22121<\/sup>NH4<\/sub>+<\/sup>\u3002\u6b64\u5916\uff0c\u5728\u6574\u4e2a\u53cd\u5e94\u8fc7\u7a0b\u4e2d\uff0c\u53cd\u5e94\u6df7\u5408\u7269\u4e2d\u603bN\u539f\u5b50\u7684\u91cf\u4fdd\u6301\u7a33\u5b9a\uff0c\u8fd9\u610f\u5473\u7740\u6709\u6548\u5730\u963b\u788d\u4e86\u5c06NO3<\/sub>–<\/sup>\u90e8\u5206\u8fd8\u539f\u4e3aN2<\/sub>\u76845\u7535\u5b50\u8f6c\u79fb\u3002\u4e0e\u6c34\u5206\u89e3\u53cd\u5e94\u76f8\u6bd4\uff0cNO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR \u7684\u6d3b\u5316\u80fd\u660e\u663e\u964d\u4f4e\u4e86 1.42\u2009eV\uff0c\u8fd9\u53ef\u4ee5\u6709\u6548\u6291\u5236\u526f\u53cd\u5e94\u7684\u7535\u5b50\u6d88\u8017<\/b><\/strong>\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2<\/strong> \u5316\u5b66\u6210\u5206\u548c\u7535\u5b50\u7ed3\u6784\u00a0\u00a9 2022 The Authors<\/span><\/p>\n

\"\"<\/p>\n

\u56fe3<\/strong> \u5316\u5b66\u6210\u5206\u548c\u7535\u5b50\u7ed3\u6784\u00a0\u00a9 2022 The Authors<\/span><\/p>\n

\"\"<\/p>\n

\u56fe4<\/strong> \u9009\u62e9\u6027\u548c\u957f\u671f\u7a33\u5b9a\u6027\u6d4b\u8bd5\u00a0\u00a9 2022 The Authors<\/span><\/p>\n

\u53cd\u5e94\u673a\u7406<\/b><\/strong>\u7684\u5168\u9762\u4e86\u89e3<\/b><\/strong><\/p>\n

\u4e3a\u4e86\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u5bfc\u81f4 BaONCs-TNS \u590d\u5408\u6750\u6599\u4e0a\u4f18\u5f02 NO3<\/sub>-RR \u7684\u6d3b\u6027\u81ea\u7531\u57fa\uff0c\u672c\u5de5\u4f5c\u5e94\u7528\u6db2\u6001EPR\u6280\u672f\uff0c\u4f7f\u75282,2,6,6-\u56db\u7532\u57fa-1-\u54cc\u5576\u6c27\u57fa(TEMPO)\u4f5c\u4e3a\u6355\u96c6\u5242 (\u56fe5a<\/strong>)\u3002 \u5149\u7167\u5c04\u4e0bBaONCs<\/sub>-TNS\u4e0a\u7684TEMPO\u4fe1\u53f7\u8f83\u539f\u59cbTNS\u4e0a\u7684TEMPO\u4fe1\u53f7\u8fc5\u901f\u4e0b\u964d\uff1b \u8be5\u7ed3\u679c\u8868\u660e\u5728BaONCs<\/sub>-TNS\u4e0a\u4ea7\u751f\u548c\u6d88\u8017\u4e86\u66f4\u591a\u7684\u5149\u6fc0\u53d1\u7535\u5b50\u3002 H+<\/sup>\u548cTEMPO-e–<\/sup>\u7684\u7ed3\u5408\u901a\u8fc7\u4e9a\u7eb3\u7c73\u7ea7 BaONCs \u7684\u64cd\u4f5c\u7ed3\u6784\u5f97\u5230\u663e\u7740\u52a0\u5f3a\uff0c\u4ea7\u751f\u4e30\u5bcc\u7684\u6d3b\u6027\u8d28\u5b50(H*)\u6765\u50ac\u5316NO3<\/sub>-RR\u8fdb\u884cNH4<\/sub>+<\/sup>\u5149\u5408\u4f5c\u7528\u3002\u6b64\u5916\uff0c\u5728 BaONCs<\/sub>-TNS \u4e0a\u4e5f\u89c2\u5bdf\u5230\u589e\u5f3a\u7684\u2022<\/sup>OH\u3001O2<\/sub>–<\/sup>\u548c1<\/sup>O2<\/sub>\u4ea7\u751f\u3002\u8fd9\u4e9b\u6d3b\u6027\u6c27\uff08ROS\uff09\u6709\u5229\u4e8eEG\u7684\u5149\u50ac\u5316\u6c27\u5316\uff0c\u4fc3\u8fdb\u7a7a\u7a74\u6d88\u8017\u548c\u7535\u8377\u5206\u79bb\u3002<\/p>\n

\u6b64\u5916\uff0c\u8fd8\u5f15\u5165\u4e86\u539f\u4f4d\u6f2b\u53cd\u5c04\u7ea2\u5916\u5085\u91cc\u53f6\u53d8\u6362\u5149\u8c31\uff08DRIFTS\uff09\u6280\u672f\u6765\u52a8\u6001\u68c0\u6d4b NO3-RR \u7684\u521d\u7ea7\u53cd\u5e94\u8fc7\u7a0b\u3002\u5982\u56fe4b<\/strong>\u6240\u793a\uff0c\u5173\u4e8e\u5438\u9644NO3<\/sub>–<\/sup>\u7684\u7279\u5f81\u5cf0\u5728 872\u3001923\u3001934\u3001969\u548c984\u2009cm-1<\/sup>\u5904\u6e05\u6670\u53ef\u89c1\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u968f\u7740\u8f90\u7167\u65f6\u95f4\u7684\u5ef6\u957f\uff0cNO3<\/sub>–<\/sup>\u7684\u5f3a\u5ea6\u9010\u6e10\u51cf\u5f31\uff0c\u8fd9\u8bc1\u5b9e\u4e86NO3<\/sub>–<\/sup>\u7684\u6d88\u8017\u548c\u51cf\u5c11\u3002\u8fd9\u4e9b\u7ed3\u679c\u9610\u660e\u4e86\u7528\u4e8eNH<\/b><\/strong>4<\/b><\/sub><\/strong>+\u5149\u5408\u4f5c\u7528\u7684NO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR\u8def\u7ebf\u662f\u53ef\u884c\u7684\uff0c\u5176\u4e2d NO<\/b><\/strong>2<\/b><\/sub><\/strong>–<\/b><\/sup><\/strong>\u88ab\u786e\u5b9a\u4e3a\u4e3b\u8981\u7684\u4e2d\u95f4\u4ea7\u7269<\/b><\/strong>\u3002\u6b64\u5916\uff0c\u4e0e\u6c34\u5206\u89e3\u53cd\u5e94\uff082.40\u2009eV\uff09\u76f8\u6bd4\uff0cNO3<\/sub>–<\/sup>\u89e3\u79bb\u7684\u6d3b\u5316\u80fd\u8f83\u4f4e\uff080.98\u2009eV\uff0c\u56fe 4c<\/strong>\uff09\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u4e9b\u53cd\u5e94\u9014\u5f84\u4e2d\u7684\u4e09\u79cd\u6f5c\u5728\u4ea7\u7269\uff08NH<\/b><\/strong>4<\/b><\/sub><\/strong>+<\/b><\/sup><\/strong>\u3001N<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0\u548c H<\/b><\/strong>2<\/b><\/sub><\/strong>\uff09\u4e2d\uff0c<\/b><\/strong>\u672c\u5de5\u4f5c<\/b><\/strong>\u901a\u8fc7MO<\/b><\/strong>NCs<\/b><\/sub><\/strong>\u7684\u5e2e\u52a9\u5b9e\u73b0\u4e86\u7528\u4e8eNH4<\/sub>+<\/sup>\u5149\u5408\u4f5c\u7528\u7684 O<\/b><\/strong>3<\/b><\/sub><\/strong>–<\/b><\/sup><\/strong>\u7684\u9ad8\u9009\u62e9\u6027<\/b><\/strong>8<\/b><\/strong>\u7535\u5b50\u8fd8\u539f<\/b><\/strong>\u3002<\/p>\n

\"\"<\/p>\n

\u56fe5<\/strong> NO3<\/sub>\u2212RR\u7528\u4e8eNH3<\/sub>\u5149\u5408\u4f5c\u7528\u7684\u5206\u5b50\u6c34\u5e73\u53cd\u5e94\u673a\u7406\u00a0\u00a9 2022 The Authors<\/span><\/p>\n

NO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR\u5728\u6a21\u62df\u5e9f\u6c34\u4e2d\u7684\u5b9e\u9645\u5e94\u7528<\/b><\/strong><\/p>\n

\u672c\u5de5\u4f5c\u5f00\u53d1\u4e86\u6c28\u5149\u5408\u4f5c\u7528\u9014\u5f84NO3<\/sub>-RR\u7684\u5b9e\u9645\u5e94\u7528\u3002\u7531\u4e8eEG\u7684\u6709\u673a\u7269\u5e94\u7528\u4e8e\u50ac\u5316\u4f53\u7cfb\u4f5c\u4e3a\u7a7a\u7a74\u727a\u7272\u5242\uff0c\u5229\u7528\u539f\u4f4dDRIFTS\u6280\u672f\u7814\u7a76\u4e86EG\u7684\u8f6c\u5316\u9014\u5f84(\u56fe6a<\/strong>)\u3002\u89c2\u5bdf\u5230EG\u7684\u52a8\u6001\u5438\u9644\u5e73\u8861\u662f\u5728\u68c0\u6d4b\u7532\u70f7\u548c\u4e59\u9187\u7269\u79cd\u7684\u57fa\u7840\u4e0a\u9010\u6e10\u5f62\u6210\u7684\u3002\u968f\u540e\u89c2\u5bdf\u5230\u7532\u9178\u76d0\u548c\u78b3\u9178\u76d0\u7684\u751f\u6210\u548c\u79ef\u7d2f\uff0c\u53ef\u5f52\u56e0\u4e8eEG\u6c27\u5316\u7684\u521d\u7ea7\u4ea7\u7269\u3002\u7531\u6b64\u53ef\u77e5\uff0cEG\u6c27\u5316\u4e0eNO<\/b><\/strong>3<\/b><\/sub><\/strong>–<\/b><\/sup><\/strong>\u8fd8\u539f\u53cd\u5e94\u540c\u65f6\u8fdb\u884c\uff0cEG\u6c27\u5316\u6d88\u8017\u7684\u7a7a\u7a74\u53cd\u8fc7\u6765\u4f1a\u52a0\u901fNO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR\uff0c\u4fc3\u8fdb\u6c28\u5408\u6210<\/b><\/strong>\u3002<\/p>\n

\u6700\u91cd\u8981\u7684\u662f\uff0c\u5728\u519c\u4e1a\u548c\u5316\u5de5\u5e9f\u6c34\u964d\u89e3\u3001\u996e\u7528\u6c34\u51c0\u5316\u7b49\u8bb8\u591a\u542bNO3<\/sub>–<\/sup>\u7684\u6392\u653e\u6761\u4ef6\u4e2d\uff0c\u5206\u5e03\u7740\u4e30\u5bcc\u7684\u6709\u673a\u6c61\u67d3\u7269\uff0c\u8fd9\u4e9b\u6709\u673a\u6c61\u67d3\u7269\u53ef\u4ee5\u4f5c\u4e3a\u5b54\u727a\u7272\u5242\u52a0\u4ee5\u5229\u7528\u3002\u57fa\u4e8e\u8fd9\u4e00\u8003\u8651\uff0c\u5c06\u82ef\u915a\u3001\u82ef\u7532\u9187\u548c\u7532\u919b\u5206\u522b\u4f5c\u4e3a\u6f5c\u5728\u6c61\u67d3\u7269\u52a0\u5165\u5230\u6893\u9187\u4f53\u7cfb\u4e2d\u3002\u89c2\u5bdf\u5230\u6c28\u5408\u6210\u901f\u7387\u8fdb\u4e00\u6b65\u63d0\u9ad8\u523011.14\u2009mmol\u2009g-1<\/sup>\u2009h-1<\/sup>\uff0c\u9009\u62e9\u6027\u4e3a97.82%\uff0c\u8fd9\u8868\u660e\u7532\u919b\u6bd4EG\u66f4\u6709\u6548\u5730\u5145\u5f53\u201c\u7a7a\u7a74\u727a\u7272\u5242\u201d\u3002\u901a\u8fc7\u5bf9\u6a21\u62df\u5e9f\u6c34\u4e2d\u6709\u673a\u6c61\u67d3\u7269\u7684\u8c03\u67e5\uff0c\u9610\u660e\u4e86NO<\/b><\/strong>3<\/b><\/sub><\/strong>-RR\u8def\u7ebf\u53ef\u4ee5\u53d1\u5c55\u4e3a\u4e00\u79cd\u201c\u65e0\u727a\u7272\u5242\u201d\u7684\u6280\u672f\uff0c\u7528\u4e8e\u5e9f\u6c34\u4e2d\u6c28\u5408\u6210\u4ee5\u53ca\u6709\u673a\u6c61\u67d3\u7269\u7684\u6c27\u5316<\/b><\/strong>\u3002\u5728\u73af\u5883\u4fee\u590d\u548c\u80fd\u6e90\u8f6c\u6362\u4e24\u4e2a\u9886\u57df\u90fd\u5177\u6709\u79d1\u5b66\u610f\u4e49\u3002<\/p>\n

\"\"<\/p>\n

\u56fe6<\/strong> \u00a0NO3<\/sub>-RR\u5230NH4<\/sub>+<\/sup>\u8def\u7ebf\u5728\u6a21\u62df\u5e9f\u6c34\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u00a0\u00a9 2022 The Authors<\/span><\/p>\n

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

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\u7b2c\u4e00\u4f5c\u8005\uff1aJieyuan Li<\/p>\n

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https:\/\/doi.org\/10.1038\/s41467-022-28740-8<\/u><\/a><\/p>\n

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