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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u6750\u6599\u4e0e\u80fd\u6e90\u5b66\u9662\u80e1\u6587\u6210\u6559\u6388\u3001\u725b\u6653\u6ee8\u6559\u6388\u548c\u5bbe\u5915\u6cd5\u5c3c\u4e9a\u5dde\u7acb\u5927\u5b66\u7684Sridhar Komarneni\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u901a\u8fc7\u5316\u5b66\u6c27\u5316\u6cd5\uff0c\u7535\u5316\u5b66\u8fd8\u539f\u6cd5\u548c\u78c1\u63a7\u6e85\u5c04\u6cd5\u5236\u5907\u4e86\u4e00\u79cd\u5177\u6709\u6838\u58f3\u7ed3\u6784\u7684Cu@WC\u4ecb\u5b54\u7eb3\u7c73\u7ebf\u7528\u4e8e\u5bbdpH\u8303\u56f4\u7535\u50ac\u5316\u6790\u6c22\u53cd\u5e94\u3002\u8be5\u7814\u7a76\u901a\u8fc7\u4f18\u5316\u78c1\u63a7\u6e85\u5c04\u65f6\u95f4\u6765\u5236\u5907\u5177\u6709\u6700\u4f73\u6027\u80fd\u7684\u7535\u50ac\u5316\u6750\u6599\u3002\u4ee5\u9178\u6027\u4e3a\u4f8b\uff0c\u50ac\u5316\u6790\u6c22\u53cd\u5e94\u572810 \u548c100 mA cm-2<\/sup>\u65f6\u4ec5\u970092\u548c186 mV\u7684\u8f83\u4f4e\u7535\u52bf\uff0c\u901a\u8fc7\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\uff0c\u4ece\u7406\u8bba\u89d2\u5ea6\u63ed\u793a\u4e86\u5177\u6709\u6838\u58f3\u95f4\u7684\u6676\u683c\u5931\u914d\u3001\u754c\u9762\u6548\u5e94\u7b49\u5bf9HER\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00Cu@WC\u7684\u5408\u6210\u8def\u5f84<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe\u4e8cCu@WC\u7684\u6750\u6599\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) Cu@WC\u7684XRD\u56fe\u8c31\uff0c\u5185\u90e8\u4e3a\u653e\u5927\u56fe<\/p>\n

(b) W 4f (c) C 1s (d) Cu 2p\u7684XPS\u5149\u8c31<\/p>\n

(e) \u591a\u79cd\u6750\u6599\u7684N2<\/sub>\u5438\u9644\u89e3\u6790\u56fe (f)\u5b54\u5f84\u5206\u5e03\u56fe<\/p>\n

\u56fe\u4e09Cu@WC\u7684\u5fae\u89c2\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) Cu@WC\u7684SEM\u56fe (c-d) TEM\u56fe (e-f) HRTEM\u56fe (g) SAED\u56fe<\/p>\n

(h)HAADF-STEM \u56fe (i) EDS\u7ebf\u626b\u56fe (j) elemental mapping\u56fe<\/p>\n

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\"\"<\/p>\n

(a-c) Cu@WC\u9178\u6027HER \u6027\u80fd<\/p>\n

(d-f) Cu@WC\u5bbdpH\u8303\u56f4HER\u6027\u80fd<\/p>\n

(g-i) Cu@WC\u5bbdpH\u8303\u56f4\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef<\/p>\n

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\"\"<\/p>\n

(a) Cu@WC\u7684\u5bbdpH\u8303\u56f4\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/p>\n

(b) W 4f (c) C 1s (d) Cu 2p\u7684\u9178\u6027\u7a33\u5b9a\u6d4b\u8bd5\u540e\u7684XPS\u5149\u8c31<\/p>\n

\u56fe\u516dCu@WC\u7684HER\u7406\u8bba\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

(a)Cu@WC\u6a21\u578b\u56fe\u00a0\u00a0 (b) \u5dee\u5206\u7535\u8377\u56fe<\/p>\n

(c)\u5409\u5e03\u65af\u81ea\u7531\u80fd\u56fe (d) \u706b\u5c71\u56fe<\/p>\n

\u56fe\u4e03Cu@WC\u754c\u9762\u5bf9HER\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

(a-b)\u9178\u6027PEIS\u6d4b\u8bd5\u56fe<\/p>\n

(c)DOS\u56fe (d) ELF\u56fe<\/p>\n

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\u8be5\u6210\u679c\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aApplied Catalysis B: Environmental\u4e0a\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u535a\u58eb\u7814\u7a76\u751f\u59da\u68a6\u9e92\u548c\u6c6a\u535a\u7b60\u4e3a\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u80e1\u6587\u6210\u6559\u6388\u3001\u725b\u6653\u6ee8\u6559\u6388\u4ee5\u53ca\u5bbe\u5915\u6cd5\u5c3c\u4e9a\u5dde\u7acb\u5927\u5b66\u7684Sridhar Komarneni\u6559\u6388\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff0c\u738b\u59ae\u526f\u7814\u7a76\u5458\uff0c\u738b\u5efa\u4f1f\u526f\u7814\u7a76\u5458\uff0c\u535a\u58eb\u7814\u7a76\u751f\u9648\u4e91\u5efa\u3001\u5b59\u5b9d\u9f99\uff0c\u7855\u58eb\u7814\u7a76\u751f\u7f57\u6797\u970f\u53c2\u4e0e\u672c\u9879\u5de5\u4f5c\u7814\u7a76\u3002\u8be5\u5de5\u4f5c\u83b7\u5f97\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u3001\u56fd\u5bb6\u91cd\u70b9\u57fa\u7840\u7814\u7a76\u53d1\u5c55\u89c4\u5212\u9879\u76ee\u3001\u56db\u5ddd\u7701\u79d1\u6280\u5385\u7b49\u9879\u76ee\u7684\u652f\u6301\u3002<\/p>\n

\u8bba\u6587DOI\uff1a10.1016\/j.apcatb.2020.119451<\/a><\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1ahttps:\/\/www.sciencedirect.com\/science\/article\/pii\/S0926337320308663<\/a><\/p>\n

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