{"id":259012,"date":"2024-03-30T06:58:01","date_gmt":"2024-03-29T22:58:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=259012"},"modified":"2024-03-29T23:12:39","modified_gmt":"2024-03-29T15:12:39","slug":"%e7%a6%8f%e5%bb%ba%e5%86%9c%e6%9e%97%e5%a4%a7%e5%ad%a6%e8%a2%81%e5%8d%a0%e8%be%89%e8%af%be%e9%a2%98%e7%bb%84acb%ef%bc%9a%e7%9b%90%e8%be%85%e5%8a%a9%e6%9e%84%e5%bb%ba%e5%85%b7%e6%9c%89%e4%b8%b0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=259012","title":{"rendered":"\u798f\u5efa\u519c\u6797\u5927\u5b66\u8881\u5360\u8f89\u8bfe\u9898\u7ec4ACB\uff1a\u76d0\u8f85\u52a9\u6784\u5efa\u5177\u6709\u4e30\u5bcc\u6c34\u5206\u5b50\u5438\u9644\u4f4d\u70b9\u7684\u4eb2\u6c34\u6027\u6c2e\u5316\u78b3\u5149\u50ac\u5316\u5242\u7528\u4e8e\u9ad8\u6548\u4ea7\u6c22\u53cd\u5e94"},"content":{"rendered":"

\u56fe\u6587\u6458\u8981<\/strong><\/p>\n

\"\"<\/p>\n

\u8fd1\u65e5\uff0c\u798f\u5efa\u519c\u6797\u5927\u5b66\u8881\u5360\u8f89\u6559\u6388\u8bfe\u9898\u7ec4\u5728Applied Catalysis B\uff1aEnvironment and Energy\uff08\u5f71\u54cd\u56e0\u5b5022.1\uff09\u4e0a\u53d1\u8868\u9898\u4e3a\u201cSalt-assisted construction of hydrophilic carbon nitride photocatalysts withabundant water molecular adsorption sites for efficienthydrogen production\u201d\u7684\u7814\u7a76\u8bba\u6587\uff08https:\/\/doi.org\/10.1016\/j.apcatb.2024.123902\uff09\u3002\u672c\u6587\u901a\u8fc7\u5728\u6c2e\u5316\u78b3\u70ed\u805a\u5408\u8fc7\u7a0b\u5f15\u5165\u6c2f\u5316\u94be\u6210\u529f\u5236\u5907\u4e86\u8868\u9762\u5177\u6709\u4e30\u5bcc\u6c34\u5438\u9644\u4f4d\u70b9\u7684\u4eb2\u6c34\u6027\u6c2e\u5316\u78b3\u6750\u6599\uff08HCN\uff09\u3002\u6240\u5408\u6210\u7684\u6c2e\u5316\u78b3\u6750\u6599\u53ef\u4ee5\u5f88\u597d\u5206\u6563\u5728\u6c34\u4e2d\uff0c\u8fdb\u800c\u5f62\u6210\u51c6\u5747\u76f8\u5149\u50ac\u5316\u4f53\u7cfb\u3002\u540c\u65f6\uff0c\u7ed3\u6784\u4e2d\u5f15\u5165\u7684\u94be\u79bb\u5b50\u660e\u663e\u63d0\u5347\u4e86\u7535\u8377\u8f6c\u79fb\u548c\u5206\u79bb\u80fd\u529b\u3002\u8be5\u5149\u50ac\u5316\u5242\u5c55\u73b0\u51fa\u826f\u597d\u7684\u5149\u50ac\u5316\u6c34\u5206\u89e3\u4ea7\u6c22\u6d3b\u6027\u3002<\/p>\n

\"\"<\/p>\n

\u5168\u6587\u901f\u89c8<\/strong><\/p>\n

\u975e\u91d1\u5c5e\u805a\u5408\u7269\u6c2e\u5316\u78b3\u56e0\u5176\u5177\u6709\u524d\u9a71\u4f53\u6765\u6e90\u5e7f\u6cdb\u3001\u5236\u5907\u65b9\u6cd5\u7b80\u5355\u3001\u73af\u5883\u53cb\u597d\u3001\u5149\u5316\u5b66\u7a33\u5b9a\u6027\u9ad8\u3001\u4e14\u80fd\u5e26\u7ed3\u6784\u9002\u5408\u5149\u50ac\u5316\u4ea7\u6c22\u7b49\u4f18\u70b9\u800c\u5728\u5149\u50ac\u5316\u6c34\u5206\u89e3\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u7136\u800c\u4f53\u76f8\u6c2e\u5316\u78b3BCN\u7684\u8868\u9762\u8f83\u4e3a\u60f0\u6027\uff0c\u5728\u6c34\u4e2d\u8868\u73b0\u51fa\u8f83\u5dee\u7684\u5206\u6563\u6027\uff0c\u9650\u5236\u4e86\u5176\u5149\u50ac\u5316\u4ea7\u6c22\u7684\u91cf\u5b50\u6548\u7387\u3002\u5728\u672c\u6587\u4e2d\uff0c\u4f5c\u8005\u4f7f\u7528\u786b\u6c30\u9178\u94f5\u548c\u6c2f\u5316\u94be\u4f5c\u4e3a\u524d\u9a71\u4f53\u5408\u6210\u4e86HCN\u6837\u54c1\uff0c\u5176\u5728\u6c34\u4e2d\u7684\u5206\u6563\u6027\u4ee5\u53ca\u7535\u8377\u8f6c\u79fb\u80fd\u529b\u8f83\u4f53\u76f8\u6c2e\u5316\u78b3BCN\u663e\u8457\u589e\u5f3a\u3002HCN\u6837\u54c1\u5c55\u73b0\u51fa\u826f\u597d\u7684\u5149\u50ac\u5316\u6c34\u5206\u89e3\u4ea7\u6c22\u6d3b\u6027\uff0c\u4e14\u50ac\u5316\u6d3b\u6027\u7a33\u5b9a\u3002\u5177\u4f53\u800c\u8a00\uff0cHCN\u7684\u5149\u50ac\u5316\u4ea7\u6c22\u6d3b\u6027\u4e3a392\u03bcmol\u22c5h-1<\/sup>\uff0c\u662f\u4f53\u76f8\u6c2e\u5316\u78b3BCN\u768416\u500d\u3002<\/p>\n

\u5f15\u8a00<\/strong><\/p>\n

\u5229\u7528\u5149\u50ac\u5316\u6c34\u5206\u89e3\u5236\u6c22\u53cd\u5e94\u5c06\u53ef\u518d\u751f\u3001\u65e0\u6c61\u67d3\u7684\u592a\u9633\u80fd\u8f6c\u5316\u4e3a\u65e0\u78b3\u6c22\u71c3\u6599\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u7406\u8bba\u4e0a\uff0c\u53ea\u8981\u6ee1\u8db3\u8d28\u5b50\u8fd8\u539f\u7684\u70ed\u529b\u5b66\u6761\u4ef6\uff0c\u5149\u50ac\u5316\u5236\u6c22\u53ef\u4ee5\u5728\u6e29\u548c\u7684\u6761\u4ef6\u4e0b\u8fdb\u884c\u3002\u4f46\u662f\u5149\u50ac\u5316\u5242\u7684\u5149\u5438\u6536\u80fd\u529b\u3001\u50ac\u5316\u6548\u7387\u548c\u8010\u7528\u6027\u9650\u5236\u4e86\u5236\u6c22\u53cd\u5e94\u7684\u8fdb\u4e00\u6b65\u5229\u7528\u3002\u5728\u5b9e\u8df5\u4e2d\u6784\u5efa\u7b80\u5355\u9ad8\u6548\u7684\u5236\u6c22\u7cfb\u7edf\u4ecd\u7136\u5177\u6709\u76f8\u5f53\u5927\u7684\u6311\u6218\u6027\u3002\u5f00\u53d1\u4e00\u79cd\u9ad8\u6d3b\u6027\u3001\u4f4e\u6210\u672c\u3001\u957f\u5bff\u547d\u7684\u5149\u50ac\u5316\u5242\u5bf9\u4e8e\u66f4\u5e7f\u6cdb\u5730\u5b9e\u73b0\u5149\u50ac\u5316\u5236\u6c22\u81f3\u5173\u91cd\u8981\u3002\u672c\u5de5\u4f5c\u4ee5\u805a\u5408\u7269\u6c2e\u5316\u78b3\u5149\u50ac\u5316\u5242\u4e3a\u7814\u7a76\u5bf9\u8c61\uff0c\u901a\u8fc7\u5728\u70ed\u805a\u5408\u8fc7\u7a0b\u4e2d\u52a0\u5165\u76d0\uff0c\u6210\u529f\u5730\u5728\u5176\u8868\u9762\u6784\u5efa\u5927\u91cf\u4eb2\u6c34\u57fa\u56e2\u3002\u8be5\u5149\u50ac\u5316\u5242\u4e0d\u4ec5\u80fd\u591f\u5f88\u597d\u5730\u5206\u6563\u5728\u6c34\u4e2d\u4e3a\u6c34\u5206\u89e3\u53cd\u5e94\u63d0\u4f9b\u66f4\u591a\u7684\u53cd\u5e94\u4f4d\u70b9\uff0c\u5e76\u5177\u6709\u51fa\u8272\u7684\u7535\u8377\u89e3\u79bb\/\u8f6c\u79fb\u80fd\u529b\u3002<\/p>\n

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

\u5408\u6210\u65b9\u6cd5<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 1. (a) The synthetic route of HCN and BCN. (b) The proposed formation route of HCN and BCN.<\/p>\n

\u5982\u56fe1\u6240\u793a\uff0c\u4f7f\u7528\u786b\u6c30\u9178\u94f5\u4f5c\u4e3a\u524d\u9a71\u4f53\u901a\u8fc7\u70ed\u805a\u5408\u65b9\u6cd5\u5408\u6210\u4f53\u76f8\u6c2e\u5316\u78b3BCN\u3002\u9996\u5148\u5728\u786b\u6c30\u9178\u94f5\u70ed\u805a\u5408\u8fc7\u7a0b\u4e2d\u52a0\u5165\u6c2f\u5316\u94be\uff0c\u968f\u540e\u901a\u8fc7\u900f\u6790\u7684\u65b9\u6cd5\u5c06\u591a\u4f59\u7684\u6c2f\u5316\u94be\u9664\u53bb\uff0c\u6700\u540e\u901a\u8fc7\u52a0\u70ed\u84b8\u53d1\u65b9\u6cd5\u5f97\u5230HCN\u6837\u54c1\u3002<\/p>\n

\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 2. (a) The FT-IR spectra of HCN and BCN. (b) Solid-state 13<\/sup>C CP-MAS NMR spectrum of HCN. The high-resolution XPS spectra of (c) C 1 s, (d) N 1 s, (e) O 2p, and(f) K 2p for HCN and BCN.<\/p>\n

\u5982\u56fe2a\u6240\u793a\uff0c\u7ecf\u8fc7\u76d0\u8f85\u52a9\u5408\u6210\u540eHCN\u4fdd\u6301\u4e86\u4e0eBCN\u51e0\u4e4e\u4e00\u81f4\u7684\u5316\u5b66\u7ed3\u6784\uff0c\u4f46\u662f\u5728\u51fa\u73b0\u4e86\u7f9f\u57fa\uff0c\u6c30\u57fa\u4ee5\u53ca\u6c2e-\u94be\u7684\u632f\u52a8\u5cf0\u3002HCN\u7684\u56fa\u4f53\u6838\u78c1\u540c\u6837\u8bc1\u660e\u4e86\u6c30\u57fa\u7684\u5b58\u5728\uff08\u56fe2b\uff09\u3002XPS\u7ed3\u679c\u8868\u660e\uff0cBCN\u4e0eHCN\u5177\u6709\u51e0\u4e4e\u76f8\u540c\u6c2e-\u78b3\u7ed3\u6784\uff08\u56fe2c\u4e0e2d\uff09\u3002\u6c27\u7684XPS\u8c31\u56fe\uff08\u56fe2e\uff09\u8868\u660eHCN\u5177\u6709\u66f4\u591a\u7f9f\u57fa\u57fa\u56e2\uff0c\u8fd9\u8bf4\u660eHCN\u53ef\u80fd\u5177\u6709\u66f4\u5f3a\u7684\u4eb2\u6c34\u6027\u3002\u6b64\u5916\uff0c\u94beXPS\u8c31\u56fe\uff08\u56fe2f\uff09\u8868\u660eHCN\u7684\u7ed3\u6784\u542b\u6709\u94be\u79bb\u5b50\u3002<\/p>\n

\"\"<\/p>\n

Fig. 3. (a) Contact angle measurements for HCN and BCN. (b) The Zeta potential of BCN and HCN. (c) Particle-size distribution of HCN solution. (d) The XRDpatterns of HCN and BCN.<\/p>\n

\u63a5\u89e6\u89d2\u6d4b\u8bd5\u7ed3\u679c\u8bc1\u5b9e\u4e86HCN\u5177\u6709\u66f4\u597d\u4eb2\u6c34\u6027\uff08\u56fe3a\uff09\u3002\u968f\u540e\uff0c\u5c06BCN\u4e0eHCN\u5206\u6563\u5728\u6c34\u4e2d\u8fdb\u884c\u4e86Zeta\u7535\u4f4d\u6d4b\u8bd5\uff08\u56fe3b\uff09\u3002\u6d4b\u8bd5\u7ed3\u679c\u8868\u660eHCN\u6837\u54c1\u5177\u6709\u66f4\u8d1f\u7684Zeta\u7535\u4f4d\uff0c\u5176\u5728\u7c92\u5f84\u5206\u5e03\u5728290 nm\uff08\u56fe3c\uff09\u3002XRD\u6d4b\u8bd5\u7ed3\u679c\u8868\u660eBCN\u5177\u6709Melon\u7ed3\u6784\uff0c\u800cHCN\u5448\u73b0\u51faPHI\u7ed3\u6784\u3002<\/p>\n

\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 4. (a) SEM image of HCN solid. (b) SEM image of HCN suspension. (c) SEM image of HCN diluted solution. (d) TEM image of HCN solution. (e-f) HR-TEM images of HCN solution.<\/p>\n

\u5982\u56fe4a\u6240\u793a\uff0cHCN\u56fa\u4f53\u5448\u73b0\u51fa\u4e0d\u89c4\u5219\u7684\u7247\u72b6\u548c\u9897\u7c92\u5806\u79ef\u7ed3\u6784\u3002\u5bf9\u6bd4\u4e8e\u56fa\u4f53\uff0cHCN\u5728\u6c34\u4e2d\u5206\u6563\u540e\u5176\u7c92\u5f84\u660e\u663e\u51cf\u5c0f\uff08\u56fe4b\uff09\u3002\u5206\u6563\u7a0b\u5ea6\u8d8a\u5927\uff0c\u6837\u54c1\u7c92\u5f84\u8d8a\u5c0f\uff0c\u8fd9\u6709\u52a9\u4e8e\u6d3b\u6027\u4f4d\u70b9\u6700\u5927\u9650\u5ea6\u5730\u66b4\u9732\u5728\u6c34\u4e2d\uff08\u56fe4c\uff09\u3002\u900f\u5c04\u7535\u955c\u6d4b\u8bd5\u7ed3\u679c\u8868\u660eHCN\u5448\u73b0\u591a\u5c42\u4e0d\u89c4\u5219\u7eb3\u7c73\u7247\u5806\u53e0\u7ed3\u6784\uff08\u56fe4d\uff09\u3002\u9ad8\u500d\u900f\u5c04\u7535\u955c\u56fe\u4e2d\u53ef\u4ee5\u89c2\u5bdf\u5230\u660e\u663e\u7684\u6676\u683c\u6761\u7eb9\uff0c\u8bc1\u660e\u4e86HCN\u5177\u6709\u77ed\u7a0b\u6709\u5e8f\u7ed3\u6784\uff08\u56fe4e\u548c4f\uff09\u3002<\/p>\n

\u6027\u8d28\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 5. (a) UV-Vis diffuse reflectance spectra of HCN and BCN. Inset: photograph of the samples. (b) PL spectra of HCN and BCN under 380\u2009nm excitation. (c) Steady-state surface photovoltage spectra of HCN and BCN. (d) Transient-state surface photovoltage spectra of HCN and BCN. (e) Electrochemical impedance spectroscopy of HCN and BCN. (f) Transient photocurrents of HCN and BCN.<\/p>\n

\u5982\u56fe5a\u6240\u793a\uff0c\u76d0\u8f85\u52a9\u5408\u6210\u7684\u6837\u54c1\u5177\u6709\u66f4\u597d\u7684\u5149\u5438\u6536\u80fd\u529b\u3002HCN\u6837\u54c1\u7684\u8367\u5149\u5f3a\u5ea6\u66f4\u4f4e\uff0c\u8bf4\u660e\u5176\u5177\u6709\u66f4\u597d\u7684\u7535\u5b50\u7a7a\u7a74\u5206\u79bb\u80fd\u529b\uff08\u56fe5b\uff09\u3002\u8868\u9762\u5149\u7535\u538b\u6d4b\u8bd5\u8bc1\u660e\u4e86\u76d0\u8f85\u52a9\u5408\u6210\u53ef\u4ee5\u6709\u6548\u7684\u63d0\u5347\u6837\u54c1\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\uff08\u56fe5c\u548c5d\uff09\u3002\u5149\u7535\u5316\u5b66\u6d4b\u8bd5\u7ed3\u679c\u4e5f\u8fdb\u4e00\u6b65\u9610\u660e\u76d0\u8f85\u52a9\u5408\u6210\u5bf9\u50ac\u5316\u5242\u7535\u8377\u5206\u79bb\u4ee5\u53ca\u8f93\u8fd0\u6027\u80fd\u5177\u6709\u6b63\u5411\u4fc3\u8fdb\u4f5c\u7528\uff08\u56fe5e\u548c5f\uff09\u3002<\/p>\n

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Fig. 6. (a) The density of states and (b) projected density of states including \u03c3, \u03c0 and d electrons of BCN and HCN. The calculated spatial distribution of HOMO (yellow) and LUMO (purple) for (c) BCN and (d) HCN. C, N, H and K atoms are denoted with gray, blue, white and purple spheres, respectively.<\/p>\n

\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u4e5f\u8fdb\u4e00\u6b65\u63ed\u793a\u76d0\u8f85\u52a9\u5408\u6210\u5bf9\u4e8e\u589e\u5f3a\u5149\u5438\u6536\uff08\u56fe6a\u548c6b\uff09\u548c\u7535\u8377\u5206\u79bb\u7279\u6027\uff08\u56fe6c\uff09\u7684\u673a\u5236\u3002\u8003\u8651\u5230HCN\u5149\u5438\u6536\u80fd\u529b\u7684\u589e\u5f3a\u548c\u7535\u8377\u5206\u79bb\u6548\u7387\u7684\u63d0\u9ad8\uff0cHCN\u53ef\u80fd\u5728\u5149\u50ac\u5316\u53cd\u5e94\u4e2d\u8868\u73b0\u51fa\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n

\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 7.\u00a0Photocatalytic H2<\/sub>\u00a0production tests of HCN and BCN under visible light irradiation (a) \u03bb > 420\u2009nm and (b) \u03bb > 470\u2009nm. (c) Time course of H2<\/sub>\u00a0production over HCN (\u03bb > 420\u2009nm). (d) Wavelength-dependent AQY of H2<\/sub>\u00a0evolution over HCN (right axis) and UV-Vis diffuse reflectance spectrum of HCN (left axis).<\/p>\n

\u5982\u56fe7a\u548c7b\u6240\u793a\uff0c\u5728\u53ef\u5c06\u5149\u7167\u5c04\u4e0b\uff0cHCN\u5177\u6709\u66f4\u597d\u7684\u5149\u50ac\u5316\u6c34\u5206\u89e3\u4ea7\u6c22\u6d3b\u6027\u3002HCN\u7684\u5149\u50ac\u5316\u4ea7\u6c22\u6d3b\u6027\u57284\u8f6e\u517116\u5c0f\u65f6\u7684\u5faa\u73af\u5b9e\u9a8c\u4e2d\u4fdd\u6301\u7a33\u5b9a\uff08\u56fe7c\uff09\u3002\u6b64\u5916\uff0cHCN\u5728420 nm\u5904\u7684\u4ea7\u6c22\u91cf\u5b50\u6548\u7387\u4e3a24.1%\uff08\u56fe7d\uff09\u3002<\/p>\n

\u673a\u7406\u4e0e\u5b9e\u7528\u6027<\/strong><\/p>\n

\"\"<\/p>\n

Fig. 8. Snapshots of adsorption of water molecule on (a) BCN surface and (b) HCN surface. C, N, H, O and K atoms are denoted with gray, blue, white, red and purple spheres, respectively. (c) The experiments on the universality of salt-assisted synthesis.<\/p>\n

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