{"id":49206,"date":"2023-10-29T08:09:23","date_gmt":"2023-10-29T00:09:23","guid":{"rendered":"https:\/\/www.chemhui.com\/?p=49206"},"modified":"2023-10-12T10:10:20","modified_gmt":"2023-10-12T02:10:20","slug":"%e8%af%ba%e8%b4%9d%e5%b0%94%e7%bb%99%e4%ba%86%e9%87%8f%e5%ad%90%e7%82%b9%ef%bc%9a%e4%b8%8a%e6%b5%b7%e5%a4%a7%e5%ad%a6%e7%8e%8b%e4%ba%ae%e6%96%b0%e7%aa%81%e7%a0%b4-%e9%87%8f%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.chemhui.com\/%e8%af%ba%e8%b4%9d%e5%b0%94%e7%bb%99%e4%ba%86%e9%87%8f%e5%ad%90%e7%82%b9%ef%bc%9a%e4%b8%8a%e6%b5%b7%e5%a4%a7%e5%ad%a6%e7%8e%8b%e4%ba%ae%e6%96%b0%e7%aa%81%e7%a0%b4-%e9%87%8f%e5%ad%90\/","title":{"rendered":"\u8bfa\u8d1d\u5c14\u7ed9\u4e86\u201c\u91cf\u5b50\u70b9\u201d\uff1a\u4e0a\u6d77\u5927\u5b66\u738b\u4eae\u65b0\u7a81\u7834-\u91cf\u5b50\u70b9\u8f85\u52a9\u5408\u6210\u539f\u5b50\u7ea72D MoS2\u4fc3\u8fdb\u6790\u6c22\u53cd\u5e94"},"content":{"rendered":"
\u8fc7\u6e21\u91d1\u5c5e\u786b\u65cf\u5316\u5408\u7269\u3001\u516d\u65b9\u6c2e\u5316\u787c\u7b49\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u5177\u6709\u72ec\u7279\u7684\u7ed3\u6784\u548c\u7269\u7406\u5316\u5b66\u6027\u8d28\uff0c\u5728\u80fd\u6e90\u5b58\u50a8\u4e0e\u8f6c\u6362\u3001\u529f\u80fd\u590d\u5408\u6750\u6599\u7b49\u9886\u57df\u6709\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002\u5f00\u53d1\u5148\u8fdb\u9ad8\u6548\u7684\u5408\u6210\u65b9\u6cd5\u5bf9\u4e8e\u4e8c\u7ef4\uff082D\uff09\u6750\u6599\u7684\u5e7f\u6cdb\u5e94\u7528\u81f3\u5173\u91cd\u8981\uff0c\u57fa\u4e8e\u6b64\uff0c\u4e0a\u6d77\u5927\u5b66\u738b\u4eae\u8bfe\u9898\u7ec4\u8054\u5408\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u5218\u653f\u8bfe\u9898\u7ec4\u3001\u534e\u4e1c\u7406\u5de5\u5927\u5b66\u7ec3\u6210\u8bfe\u9898\u7ec4\u8fd1\u65e5\u5728\u4e00\u79cd\u65b0\u578b\u7684\u4e8c\u786b\u5316\u94bc\u7eb3\u7c73\u7247\uff08ALQD@SO3<\/sub>\uff09\u8bf1\u5bfc\u5408\u6210\u673a\u5236\u4e0a\u53d6\u5f97\u91cd\u8981\u8fdb\u5c55\u3002<\/section>\n

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\u76f8\u5173\u6210\u679c\u4ee5\u201cGraphene Quantum Dot Mediated Atom-Layer Semiconductor Electrocatalyst for Hydrogen Evolution<\/strong>\u201d\u53d1\u8868\u5728\u6750\u6599\u79d1\u5b66\u9886\u57df\u671f\u520a\u300aNano-Micro Letters<\/strong>\u300b\uff08\u5f71\u54cd\u56e0\u5b50\u4e3a26.6\uff09\u3002<\/section>\n
\u672c\u7814\u7a76\u9996\u5148\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u9884\u6d4b\u53ef\u80fd\u589e\u5f3a\u7c89\u672bMoS2<\/sub>\u7684\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u50ac\u5316\u6d3b\u6027\u7684\u529f\u80fd\u5316\u77f3\u58a8\u70ef\u91cf\u5b50\u70b9\uff08GQDs\uff09\u3002\u968f\u540e\uff0c\u4e00\u79cd\u529f\u80fd\u5316GQDs\u8bf1\u5bfc\u7684\u539f\u4f4d\u81ea\u4e0b\u800c\u4e0a\u7684\u7b56\u7565\u7528\u4e8e\u5236\u5907\u8fd1\u539f\u5b50\u5c422H-\u4e8c\u786b\u5316\u94bc\u7eb3\u7c73\u7247\uff08ALQD\uff09\u3002<\/section>\n
\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u5728ALQD\u7684\u5408\u6210\u8fc7\u7a0b\u4e2d\u5f15\u5165\u7684\u4e00\u7cfb\u5217\u529f\u80fd\u5316GQDs\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5176\u4e2d\uff0cGQDs\u4e0a\u5438\u7535\u5b50\u5b98\u80fd\u56e2\u7684\u6d53\u5ea6\u548c\u5f3a\u5ea6\u8d8a\u9ad8\uff0c\u5f97\u5230\u7684ALQD\u5c31\u8d8a\u8584\u4e14\u5177\u6709\u66f4\u4f18\u7684HER\u6d3b\u6027\u3002\u8be5GQDs\u8bf1\u5bfc\u7b56\u7565\u4e3a\u62d3\u5c55\u4e8c\u786b\u5316\u94bc\u7684\u50ac\u5316\u5e94\u7528\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u4e5f\u4e3a\u5176\u4ed6\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u65cf\u5316\u7269\u6750\u6599\u7684\u5f00\u53d1\u5e94\u7528\u63d0\u4f9b\u4e86\u601d\u8def\u3002<\/section>\n
\n
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\u7814\u7a76\u80cc\u666f<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\u4e8c\u786b\u5316\u94bc\u662f\u7814\u7a76\u6700\u5e7f\u6cdb\u7684\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u65cf\u5316\u7269\uff0c\u7531\u4e8e\u5176\u6210\u672c\u4f4e\u3001\u50a8\u91cf\u4e30\u5bcc\u4e14\u65e0\u6bd2\uff0c\u5df2\u6210\u4e3a\u66ff\u4ee3\u5546\u7528\u94c2\u57fa\u50ac\u5316\u5242\u7684\u4e3b\u8981\u7ade\u4e89\u8005\u3002\u4e0e\u7c89\u4f53\u4e8c\u786b\u5316\u94bc\u4e0d\u540c\uff0c\u8fd1\u5355\u5c422H-\u4e8c\u786b\u5316\u94bc\u7eb3\u7c73\u7247\uff082H-MoS2<\/sub>\u00a0NSs\uff09\u56e0\u5176\u9ad8\u6bd4\u8868\u9762\u79ef\u548c\u9ad8\u8868\u9762\u6d3b\u6027\u800c\u5907\u53d7\u5173\u6ce8\uff0c\u4f7f\u5176\u6210\u4e3a\u50ac\u5316\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u7684\u6709\u5438\u5f15\u529b\u7684\u5019\u9009\u6750\u6599\u3002\u7136\u800c\uff0c2H-MoS2<\/sub>\u00a0NSs\u7684HER\u80fd\u529b\u76ee\u524d\u4ecd\u6709\u9650\u3002\u56e0\u6b64\uff0c\u8feb\u5207\u9700\u8981\u53d1\u5c55\u4e00\u79cd\u5728\u6e29\u548c\u6761\u4ef6\u4e0b\u5236\u5907\u8fd1\u539f\u5b50\u5c422H-MoS2<\/sub>\u00a0NSs\u7684\u65b9\u6cd5\uff0c\u4ee5\u63ed\u793a\u5176\u7269\u5316\u6027\u8d28\u548c\u7535\u50ac\u5316\u5e94\u7528\u3002<\/section>\n
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\u56fe\u6587\u5bfc\u8bfb<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
I. ALQD-SO3<\/sub>\u6700\u4f73\u7ed3\u6784\u7684\u7406\u8bba\u9884\u6d4b<\/strong><\/section>\n
\"1\"<\/section>\n
\u56fe1.\u00a0<\/strong>\uff08a\uff09MD\u6a21\u62df\u91cf\u5b50\u70b9\u5d4c\u51652H-MoS2<\/sub>\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\uff1b\uff08b\uff09\u56db\u79cdALQD\u7684\u7ed3\u6784\uff0cd\u662f2H-MoS2<\/sub>\u00a0NSs\u7684\u5c42\u95f4\u8ddd\uff1b\uff08c\uff09\u56db\u79cdALQD\u7684\u5c42\u95f4\u8ddd\u548c\u5f62\u6210\u80fd\uff1b\uff08d\uff09\u56db\u79cdALQD\u4e0e\u5b98\u80fd\u56e2\u76f8\u8fdeC\u539f\u5b50\u7684PDOS\u548cp\u5e26\u4e2d\u5fc3\uff1b\uff08e\uff09\u4e0e-SO3<\/sub>\u548c-NH2<\/sub>\u76f8\u8fdeC\u539f\u5b50\u7684\u5dee\u5206\u7535\u8377\u5bc6\u5ea6\u548cBader\u7535\u8377\uff0c\u7eff\u8272\u548c\u7ea2\u8272\u7b49\u503c\u9762\u5206\u522b\u8868\u793a\u7535\u5b50\u5bc6\u5ea6\u7684\u51cf\u5c11\u548c\u589e\u52a0\uff0c\u7b49\u503c\u9762\u4e3a3 \u00d7 10-4<\/sup>\u00a0e Bohr-3<\/sup>\uff1b\uff08f\uff09\u56db\u79cdALQD\u4e2d\u4e0d\u540c\u4f4d\u70b9HER\u8fc7\u7a0b\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u53d8\u5316(\u0394G*H<\/sub>)\uff1b\uff08g\uff09\u56db\u79cdALQD\u5b98\u80fd\u56e2\u76f8\u8fdeC\u4f4dHER\u8fc7\u7a0b\u7684\u0394G*H<\/sub>\u3002<\/section>\n
MD\u6a21\u62df\u7ed3\u679c\u8868\u660eGQDs\u66f4\u503e\u5411\u4e8e\u5782\u76f4\u5d4c\u51652H-MoS2<\/sub>\u3002DFT\u8ba1\u7b97\u53d1\u73b0\u5f15\u5165\u5438\u7535\u5b50\u57fa\u56e2\u5b98\u80fd\u5316\u7684GQDs\u540e\uff08-SO3<\/sub>\u548c-COOH\uff09\uff0c2H-MoS2<\/sub>\u7684\u5c42\u95f4\u8ddd\u6269\u5927\uff0c\u4e14\u6bd4\u7ed9\u7535\u5b50\u57fa\u56e2\u5b98\u80fd\u5316\u7684GQDs\uff08-NH2<\/sub>\u548c-OH\uff09\u5d4c\u51652H-MoS2<\/sub>\u66f4\u5927\uff0c\u8868\u660e\u57282H-MoS2<\/sub>\u4e2d\u5f15\u5165GQDs-SO3<\/sub>\u53ef\u4ee5\u6709\u6548\u5730\u6291\u5236\u5806\u79ef\uff0c\u4fc3\u8fdb2D 2H-MoS2<\/sub>\u00a0NSs \u7684\u5f62\u6210\u3002<\/section>\n
\u5dee\u5206\u7535\u8377\u5bc6\u5ea6\u548cBader\u7535\u8377\u5206\u6790\u53d1\u73b0\u5438\u7535\u5b50\u57fa\u56e2\u4f7f\u5f97\u57fa\u56e2\u76f8\u8fde\u7684C\u539f\u5b50\u7684p\u5e26\u4e2d\u5fc3\u66f4\u9760\u8fd1\u8d39\u7c73\u80fd\u7ea7\uff0cMoS2<\/sub>\u4e0e\u5438\u7535\u5b50\u57fa\u56e2\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u4f7f\u5f97\u6d3b\u6027\u4f4d\u8d1f\u7535\u8377\u5bc6\u5ea6\u9ad8\uff0c\u6709\u5229\u4e8e\u7a33\u5b9aHER\u4e2d\u95f4\u4f53\uff0c\u63d0\u9ad8HER\u6027\u80fd\uff0c\u0394G*H<\/sub>\u8ba1\u7b97\u7ed3\u679c\u4e5f\u8868\u660eALQD-SO3<\/sub>\u5728\u56db\u79cdALQD\u4e2d\u8868\u73b0\u51fa\u6700\u4f73\u7684HER\u6027\u80fd\u3002<\/section>\n
II. ALQD-SO3<\/sub>\u7684\u5f62\u6001\u548c\u7ed3\u6784\u8868\u5f81<\/strong><\/section>\n
\"2\"<\/section>\n
\u56fe2.\u00a0<\/strong>\uff08a\uff09ALQD-SO3<\/sub>\u7684TEM\u56fe\u50cf\uff1b\uff08b\uff09ALQD-SO3<\/sub>\u7684HRTEM\u56fe\u50cf\uff1b\uff08c\uff09ALQD-SO3<\/sub>\u7684AFM\u56fe\u50cf\uff1b\uff08d\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684X\u5c04\u7ebf\u884d\u5c04\u56fe\uff1b\uff08e\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684\u62c9\u66fc\u5149\u8c31\uff1b\uff08f\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684XPS\u603b\u8c31\u56fe\uff1b\uff08g\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684Mo 3d\u9ad8\u5206\u8fa8\u7387\u5149\u8c31\uff1b\uff08h\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684S 2p\u9ad8\u5206\u8fa8\u7387\u5149\u8c31\uff1b\uff08i\uff09ALQD-SO3<\/sub>\u548cbulk MoS2<\/sub>\u7684\u7535\u5bfc\u7387\u3002<\/section>\n
TEM\u56fe\u50cf\u548cAFM\u56fe\u50cf\u663e\u793a\u4e86ALQD-SO3<\/sub>\u7684\u7247\u72b6\u7ed3\u6784\uff0c\u539a\u5ea6\u7ea62 nm\uff0c\u5e76\u4e14SO3<\/sub>-GQDs\u5747\u5300\u5730\u9644\u7740\u5728\u8d85\u85842H-MoS2<\/sub>\u00a0NSs\u7684\u8868\u9762\u4e0a\u3002XRD\u7ed3\u679c\u786e\u8ba4\u4e86ALQD-SO3<\/sub>\u76842H\u76f8\u7ed3\u6784\u3002\u6b64\u5916\uff0c\u4f4d\u4e8e14\u00ba\u7684\u6700\u5f3a\u884d\u5c04\u5cf0\u5411\u5c0f\u89d2\u5ea6\u504f\u79fb\uff0c\u8868\u660eALQD-SO3<\/sub>\u7684\u5c42\u95f4\u8ddd\u79bb\u589e\u52a0\uff0c\u8fd9\u662f\u5f62\u6210\u7eb3\u7c73\u7247\u7ed3\u6784\u7684\u91cd\u8981\u8bc1\u636e\u3002<\/section>\n
XPS\u7ed3\u679c\u663e\u793aALQD-SO3<\/sub>\u4e2d\u81f3\u8f83\u4f4e\u7684\u7ed3\u5408\u80fd\u7ea6\u79fb\u52a80.8 eV\uff0c\u8fd9\u79cd\u73b0\u8c61\u5f52\u56e0\u4e8e\u5438\u7535\u5b50\u57fa\u56e2\u529f\u80fd\u5316\u7684 SO3<\/sub>-GQDs\u7684\u5f15\u5165\uff0c\u5bfc\u81f4 Mo\u548cS\u4f4d\u70b9\u5468\u56f4\u7684\u7535\u5b50\u4e91\u5bc6\u5ea6\u589e\u52a0\uff0c\u8fd9\u4e0e\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u76f8\u4e00\u81f4\u3002\u6b64\u5916\uff0cALQD-SO3<\/sub>\u7684S 2p\u5149\u8c31\u5728~168 eV\u5904\u5b58\u5728\u5bf9\u5e94\u4e8eSO3<\/sub>\u6784\u578b\u7684\u5cf0\uff0c\u8868\u660eSO3<\/sub>-GQDs\u53c2\u4e0eALQD-SO3<\/sub>\u7ed3\u6784\u8c03\u63a7\u7684\u4f5c\u7528\u3002<\/section>\n
III.\u00a0ALQD-SO3<\/sub>\u5728\u9178\u6027\u6761\u4ef6\u4e0b\u7535\u50ac\u5316\u6790\u6c22\u5206\u6790<\/strong><\/section>\n
\"3\"<\/section>\n
\u56fe3.<\/strong>\uff08a\uff09LSV\u66f2\u7ebf\uff1b\uff08b\uff09\u5854\u83f2\u5c14\u659c\u7387\uff1b\uff08c\uff090.25 V\u4e0b\u6d4b\u5f97\u7684bulk MoS2<\/sub>\u548cALQD-SO3<\/sub>\u7684\u7535\u5bb9\u548c\u5faa\u73af\u4f0f\u5b89\u56fe\uff1b\uff08d\uff09bulk MoS2<\/sub>\u548cALQD-SO3<\/sub>\u7684NH3<\/sub>-TPD\u66f2\u7ebf\uff1b\uff08e\uff09bulk MoS2<\/sub>\u548cALQD-SO3<\/sub>\u7684\u5948\u594e\u65af\u7279\u56fe\uff1b\uff08f\uff091000\u6b21CV\u5faa\u73af\u524d\u540eLSV\u66f2\u7ebf\uff1b\uff08g\uff09\u76f8\u5bf9\u4e8eRHE\u5728250 mV\u4e0b\u7535\u6d41\u5bc6\u5ea6\u968f\u65f6\u95f4\u53d8\u5316\u66f2\u7ebf\u3002<\/section>\n
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\u6587\u732e\u4fe1\u606f<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

 <\/p>\n

\u8bba\u6587\u94fe\u63a5\uff1a<\/strong><\/p>\n

 <\/p>\n

https:\/\/link.springer.com\/article\/10.1007\/s40820-023-01182-7<\/section>\n
\u4f5c\u8005\u4fe1\u606f<\/strong><\/section>\n
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 <\/p>\n","protected":false},"excerpt":{"rendered":"

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