{"id":223835,"date":"2021-06-27T06:30:57","date_gmt":"2021-06-26T22:30:57","guid":{"rendered":"\/\/m.iemloyee.com\/?p=223835"},"modified":"2021-06-26T22:08:11","modified_gmt":"2021-06-26T14:08:11","slug":"%e5%8d%8e%e5%8d%97%e5%b8%88%e5%a4%a7%e6%b1%9f%e4%b8%b0%e5%9b%a2%e9%98%9fnat-commun-%ef%bc%9a%e7%a1%ab%e9%93%8b%e9%93%9c%e7%9f%bf%e5%8d%8a%e5%af%bc%e4%bd%93cu3bis3%e8%96%84%e8%86%9c%e7%94%a8%e4%ba%8e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=223835","title":{"rendered":"\u534e\u5357\u5e08\u5927\u6c5f\u4e30\u56e2\u961fNat. Commun.\uff1a\u786b\u94cb\u94dc\u77ff\u534a\u5bfc\u4f53Cu3BiS3\u8584\u819c\u7528\u4e8e\u592a\u9633\u80fd\u9a71\u52a8\u7684\u5149\u7535\u5316\u5b66\u6c34\u5206\u89e3\u9ad8\u6548\u5236\u6c22"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5149\u7535\u5316\u5b66\uff08PEC\uff09\u592a\u9633\u80fd\u6c34\u5206\u89e3\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u592a\u9633\u80fd\u5229\u7528\/\u8f6c\u6362\u65b9\u5f0f\uff0c\u5728\u5404\u79cd\u534a\u5bfc\u4f53\u4e0a\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002PEC\u6c34\u5206\u89e3\u88c5\u7f6e\u7684\u6838\u5fc3\u5728\u534a\u5bfc\u4f53\/\u6db2\u4f53\u754c\u9762\u7ed3\uff0c\u534a\u5bfc\u4f53\u4e2d\u88ab\u6fc0\u53d1\u7684\u5c11\u6570\u8f7d\u6d41\u5b50\u5728\u534a\u5bfc\u4f53\/\u6db2\u4f53\u754c\u9762\u8017\u5c3d\u533a\u7535\u573a\u7684\u4f5c\u7528\u4e0b\u8fdb\u5165\u6db2\u4f53\u3002\u4f8b\u5982\uff0c\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff0c\u5982H+<\/sup>\u8fd8\u539f\u4e3aH2<\/sub>\uff0c\u662f\u5728P\u578b\u534a\u5bfc\u4f53\u548c\u6db2\u4f53\u7684\u754c\u9762\u4e0a\u88ab\u9a71\u52a8\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8bb8\u591aP\u578b\u534a\u5bfc\u4f53\u5df2\u88ab\u7814\u7a76\u4f5c\u4e3a\u5149\u7535\u6b63\u6781\u7528\u4e8ePEC\u6c34\u5206\u89e3\u3002P\u578b\u534a\u5bfc\u4f53\u7528\u4e8e\u5149\u7535\u5668\u4ef6\uff0c\u5982c-Si\u3001a-Si\u3001Cu(In,Ga)Se\u3001CuInS2<\/sub>\u3001Cu2<\/sub>ZnSnS4<\/sub>\uff08CZTS\uff09\u3001CuSbS2<\/sub>\u3001Sb2<\/sub>Se3<\/sub>\u548cCdTe\uff0c\u7531\u4e8e\u5176\u9ad8\u7684\u5149\u5438\u6536\u7cfb\u6570\u548c\u5408\u9002\u7684\u5149\u5b66\u5e26\u9699\uff0c\u59cb\u7ec8\u9002\u5408\u4f5c\u4e3aPEC\u6c34\u5206\u79bb\u7684\u5149\u7535\u6b63\u6781\u3002\u8fd1\u5e74\u6765\uff0c\u94dc\u786b\u5316\u5408\u7269\u534a\u5bfc\u4f53\u5728PEC\u6c34\u5206\u89e3\u65b9\u9762\u5f15\u8d77\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u867d\u7136\u94dc\u786b\u7cfb\u5149\u7535\u6b63\u6781\u8868\u73b0\u51fa\u4f18\u5f02\u7684STH\u8f6c\u6362\u6548\u7387\uff0c\u4f46\u7531\u4e8eIn\u3001Ga\u548cSe\u7b49\u5143\u7d20\u7684\u6709\u9650\uff0c\u5176\u5927\u89c4\u6a21\u751f\u4ea7\u5b58\u5728\u8bb8\u591a\u56f0\u96be\u3002\u8fd1\u5e74\u6765\uff0cCu3<\/sub>BiS3<\/sub>\u53d7\u5230\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\uff0c\u8bb8\u591a\u7814\u7a76\u5c0f\u7ec4\u5229\u7528\u4e0d\u540c\u7684\u5236\u5907\u65b9\u6cd5\u548c\u7406\u8bba\u7814\u7a76\u53d6\u5f97\u4e86\u663e\u8457\u7684\u8fdb\u5c55\u3002\u7136\u800c\uff0c\u4e4b\u524d\u62a5\u9053\u7684Cu3<\/sub>BiS3<\/sub>\u57fa\u592a\u9633\u80fd\u7535\u6c60\u6216\u5149\u6b63\u6781\u5668\u4ef6\u7684\u5149\u4f0f\u6027\u80fd\u548cPEC\u6c34\u5206\u79bb\u6548\u7387\u4ecd\u4e0d\u663e\u8457\u3002Cu3<\/sub>BiS3<\/sub>\u57fa\u592a\u9633\u80fd\u7535\u6c60\u6240\u8fbe\u5230\u7684\u6700\u4f73\u8f6c\u6362\u6548\u7387\u4e3a0.17%\uff080.11\u5e73\u65b9\u5398\u7c73\u6709\u6548\u9762\u79ef\uff09\uff0c\u800c\u62a5\u9053\u7684\u6700\u4f73Cu3<\/sub>BiS3<\/sub>\u5149\u6b63\u6781\u57280 V\u00a0vs. RHE\uff08J0<\/sub>\uff09\u65f6\u4ec5\u5448\u73b00.1 mA\/cm2<\/sup>\u7684\u5149\u7535\u6d41\u5bc6\u5ea6\uff0c\u8d77\u59cb\u7535\u4f4d\u503c\uff08Voc<\/sub>\uff09\u4e3a0.65 V\u00a0vs. RHE\u3002\u6b64\u5916\uff0c\u6240\u62a5\u9053\u7684\u8bbe\u5907\u90fd\u662f\u5728\u5b9e\u9a8c\u5ba4\u89c4\u6a21\u4e0a\uff0c\u5176\u7a33\u5b9a\u6027\u90fd\u4e0d\u660e\u663e\uff08<60\u5206\u949f\uff09\u3002\u8003\u8651\u5230Cu3<\/sub>BiS3<\/sub>\u7684\u5b8c\u7f8e\u5149\u5e26\u9699\u503c\u7ea6\u4e3a1.7 eV\uff0cCu3<\/sub>BiS3<\/sub>\u57fa\u5149\u7535\u6781\u6240\u62a5\u9053\u7684\u4f4e\u6548\u7387\u548c\u5dee\u7684PEC\u6027\u80fd\u8fdc\u8fdc\u4f4e\u4e8e\u5176\u7406\u8bba\u6781\u9650\uff0c\u800c\u4e14\u5de5\u4f5c\u7a33\u5b9a\u6027\u4f4e\u4e5f\u9650\u5236\u4e86\u5176\u8fdb\u4e00\u6b65\u7684\u5de5\u4e1a\u5229\u7528\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5728\u534e\u5357\u5e08\u8303\u5927\u5b66<\/b><\/strong>\u6c5f\u4e30\u7814\u7a76\u5458<\/b><\/strong>\u56e2\u961f\u7b49\u4eba\u5e26\u9886\u4e0b\uff0c\u62a5\u9053\u4e86Cu3<\/sub>BiS3<\/sub>\u57fa\u5149\u7535\u6b63\u6781\u5728\u8d85\u8fc70.9 V\u00a0vs.RHE\u65f6\u5177\u6709\u663e\u7740\u7684\u8d77\u59cb\u7535\u4f4d\u548c\u51fa\u8272\u7684\u5149\u7535\u5316\u5b66\u7535\u6d41\u5bc6\u5ea6\uff080 V\u00a0vs. RHE\u4e0b\u7ea67mA\/cm2<\/sup>\uff09\uff0c\u5728\u4e2d\u6027\u6c34\u6eb6\u6db2\u4e2d\u5177\u670910\u5c0f\u65f6\u7684\u957f\u671f\u7a33\u5b9a\u6027\u3002\u5728BiVO4<\/sub>\u5149\u7535\u8d1f\u6781\u7684\u8f85\u52a9\u4e0b\uff0cCu3<\/sub>BiS3<\/sub>\u57fa\u5149\u7535\u6b63\u6781\u7684\u9ad8\u8d77\u59cb\u7535\u4f4d\u76f4\u63a5\u4ea7\u751f\u4e86~1.6 mA\/cm2<\/sup>\u7684\u65e0\u504f\u7f6e\u5de5\u4f5c\u5149\u7535\u6d41\u3002\u540c\u65f6\uff0c\u63d0\u51fa\u4e86\u4e00\u79cdCu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\uff0c\u5176\u65e0\u504f\u7f6e\u592a\u9633\u80fd-\u6c22\u6c14\u8f6c\u6362\u6548\u7387\u4e3a2.04%\u3002\u8fd9\u79cd\u4e32\u8054\u5668\u4ef6\u8fd8\u5177\u670920\u5c0f\u65f6\u4ee5\u4e0a\u7684\u9ad8\u7a33\u5b9a\u6027\u3002\u6700\u7ec8\uff0c\u5236\u4f5c\u4e86\u4e00\u4e2a5 \u00d7 5 cm2<\/sup>\u7684\u5927\u578bCu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u6a21\u5757\uff0c\u7528\u4e8e\u72ec\u7acb\u7684\u6574\u4f53\u592a\u9633\u80fd\u6c34\u5206\u89e3\uff0c\u957f\u671f\u7a33\u5b9a\u65f6\u95f4\u4e3a60\u5c0f\u65f6\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cWittichenite semiconductor of Cu<\/b><\/strong>3<\/b><\/sub><\/strong>BiS<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0films for efficient hydrogen evolution from solar driven photoelectrochemical water splitting\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nat. Commun.<\/b><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong>1 Cu<\/strong>3<\/sub><\/strong>BiS<\/strong>3<\/sub><\/strong>\u8584\u819c\u7684\u7ed3\u6784\u8868\u5f81<\/strong>\"\"<\/p>\n

(a-b)\u4e0d\u540c\u57fa\u6750\u6e29\u5ea6\u4e0b\u55b7\u6d82\u7684Cu3<\/sub>BiS3<\/sub>\u8584\u819c\u7684XRD\u56fe(a)\u548c(b)\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n

(c-f)\u5728(c) 360 \u00b0C\uff0c(d) 380 \u00b0C\uff0c(e) 400 \u00b0C\u548c(f) 420 \u00b0C\u7684\u5404\u79cd\u57fa\u6750\u6e29\u5ea6\u4e0b\u55b7\u6d82\u7684Cu3<\/sub>BiS3<\/sub>\u8584\u819c\u7684\u8868\u9762SEM\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>2 Cu<\/strong>3<\/sub><\/strong>BiS<\/strong>3<\/sub><\/strong>\u57fa\u5149\u7535<\/strong>\u6b63<\/strong>\u6781\u5728\u4e0d\u540c\u57fa\u6750\u6e29\u5ea6\u4e0b\u55b7\u6d82\u7684\u6027\u80fd\u548c\u7535\u8377\u8f6c\u79fb\u52a8\u529b\u5b66\u8868\u5f81<\/strong>\"\"<\/p>\n

(a-c)\u5728\u4e0d\u540c\u57fa\u677f\u6e29\u5ea6\uff08360 \u00b0C\u3001380 \u00b0C\u3001400 \u00b0C \u548c 420 \u00b0C\uff09\u55b7\u6d82\u7684Cu3<\/sub>BiS3<\/sub>\u57fa\u5149\u7535\u6b63\u6781\u7684\u65a9\u6ce2\u5149\u7535\u6d41\u5bc6\u5ea6-\u7535\u4f4d\u66f2\u7ebf\u3001\u76f8\u5e94\u7684Mott-Schottky\u66f2\u7ebf\u548c\u76f8\u5e94\u7684\u6e21\u8d8a\u5149\u7535\u6d41\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>3 Cu<\/strong>3<\/sub><\/strong>BiS<\/strong>3<\/sub><\/strong>\u57fa\u5149\u7535<\/strong>\u6b63<\/strong>\u6781\u7684PEC\u6027\u80fd<\/strong>\"\"<\/p>\n

(a) Pt-Cu3<\/sub>BiS3<\/sub>\u3001Pt-CdS\/Cu3<\/sub>BiS3<\/sub>\u548cPt-TiO2<\/sub>\/CdS\/Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u7684\u65a9\u6ce2\u5149\u7535\u6d41\u5bc6\u5ea6-\u7535\u4f4d\u66f2\u7ebf\u3002<\/p>\n

(b-d) Pt-CdS\/Cu3<\/sub>BiS3<\/sub>\u548cPt-TiO2<\/sub>\/CdS\/Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u7684(b) ABPE\u66f2\u7ebf\u3001(c) IPCE\u5149\u8c31\u548c(d)\u5149\u7535\u6d41\u5bc6\u5ea6-\u65f6\u95f4\u66f2\u7ebf\u3002<\/p>\n

(e) Pt-TiO2<\/sub>\/CdS\/Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u5728\u4e0d\u540c\u5149\u7167\u65f6\u95f4\u4e0b\u7684\u6790\u6c22\u548c\u6790\u6c27\u91cf\u3002<\/p>\n

(f)\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684Pt-TiO2<\/sub>\/CdS\/Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u7684\u7167\u7247\u3002\u6240\u6709\u6d4b\u91cf\u90fd\u57280.2 mol\/dm3<\/sup>\u00a0Na2<\/sub>HPO4<\/sub>\/NaH2<\/sub>PO4<\/sub>\u6eb6\u6db2(pH = 6.5)\u4e2d\u592a\u9633\u6a21\u62dfAM\u5149\u71671.5 G\u8fdb\u884c\u7684\u3002<\/p>\n

\u56fe<\/strong>4 Cu<\/strong>3<\/sub><\/strong>BiS<\/strong>3<\/sub><\/strong>-BiVO<\/strong>4<\/sub><\/strong>\u4e32\u8054\u5668\u4ef6\u7684PEC\u6027\u80fd<\/strong>\"\"<\/p>\n

(a) Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u3001BiVO4<\/sub>\u5149\u7535\u8d1f\u6781\u548cBiVO4<\/sub>\u5149\u7535\u8d1f\u6781\u540e\u7684Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u7684J-V\u66f2\u7ebf\u3002\uff08Jop<\/sub>\uff1a\u5de5\u4f5c\u70b9\u5149\u7535\u6d41\u5bc6\u5ea6\uff0cSTH\uff1a\u592a\u9633\u80fd\u5230\u6c22\u6c14\u7684\u6548\u7387\uff09\u3002<\/p>\n

(b-d) Cu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u7684(b)\u5149\u7535\u6d41\u5bc6\u5ea6-\u65f6\u95f4\u66f2\u7ebf\uff0c(c)\u5de5\u4f5c\u56fe\uff0c(d)\u6790\u6c22\u548c\u6790\u6c27\u91cf-\u65f6\u95f4\u66f2\u7ebf\u3002<\/p>\n

(e) 5 \u00d7 5cm2<\/sup>\u00a0Cu3<\/sub>BiS3<\/sub>\u5149\u7535\u6b63\u6781\u30015 \u00d7 5cm2<\/sup>\u00a0BiVO4<\/sub>\u5149\u7535\u8d1f\u6781\u548c\u5927\u9762\u79ef(5 \u00d7 5cm2<\/sup>) Cu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u7684\u7167\u7247\u548c\u5927\u9762\u79ef(5 \u00d7 5cm2<\/sup>) Cu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u7684\u793a\u610f\u56fe\u3002<\/p>\n

(f)\u5927\u9762\u79ef(5 \u00d7 5 cm2<\/sup>) Cu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u5728\u592a\u9633\u6a21\u62dfAM 1.5 G\u7167\u5c04\u4e0b\u7684\u5de5\u4f5c\u7167\u3002<\/p>\n

(g)\u5927\u9762\u79ef(5 \u00d7 5 cm2<\/sup>) Cu3<\/sub>BiS3<\/sub>-BiVO4<\/sub>\u4e32\u8054\u5668\u4ef6\u7684\u5149\u7535\u6d41\u5bc6\u5ea6-\u65f6\u95f4\u66f2\u7ebf\u3002\u6240\u6709\u6d4b\u91cf\u90fd\u57280.2 mol\/dm3<\/sup>\u00a0Na2<\/sub>HPO4<\/sub>\/NaH2<\/sub>PO4<\/sub>\u6eb6\u6db2(pH = 6.5)\u4e2d\u592a\u9633\u6a21\u62dfAM\u5149\u71671.5 G\u8fdb\u884c\u7684\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\u00a0\u4ee5\u524d\u62a5\u9053\u7684\u5149\u7535<\/strong>\u6b63<\/strong>\u6781-\u5149\u7535<\/strong>\u8d1f<\/strong>\u6781\u4e32\u8054\u7535\u6c60\u7684\u57fa\u51c6<\/strong>\"\"<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1aWittichenite semiconductor of Cu<\/u>3<\/sub><\/u>BiS<\/u>3<\/sub><\/u>\u00a0films for efficient hydrogen evolution from solar driven photoelectrochemical water splitting<\/u><\/a>\uff08Nat. Commun.\uff0c2021\uff0cDOI\uff1a10.1038\/s41467-021-24060-5\uff09<\/p>\n

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