{"id":79133,"date":"2017-05-07T06:30:56","date_gmt":"2017-05-06T22:30:56","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=79133"},"modified":"2017-05-06T18:13:02","modified_gmt":"2017-05-06T10:13:02","slug":"angew-chem-int-ed-%ef%bc%9a1t-mos2%e5%85%89%e5%82%ac%e5%8c%96%e5%88%b6%e6%b0%a2-%e4%b8%8d%e5%8f%af%e9%80%86%e7%9b%b8%e8%bd%ac%e5%8f%98%e8%87%aa%e4%bc%98%e5%8c%96%e6%96%b0%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=79133","title":{"rendered":"Angew. Chem. Int. Ed.\uff1a1T-MoS2\u5149\u50ac\u5316\u5236\u6c22-\u4e0d\u53ef\u9006\u76f8\u8f6c\u53d8\u81ea\u4f18\u5316\u65b0\u673a\u5236"},"content":{"rendered":"

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

\u5728\u5149\u50ac\u5316\u6790\u6c22(HERs)\u9886\u57df\u5185\uff0c\u4e8c\u786b\u5316\u94bc(MoS2<\/sub>)\u663e\u73b0\u51fa\u4e86\u4e00\u7cfb\u5217\u4f18\u826f\u7684\u6027\u80fd\uff0c\u5927\u91cf\u7814\u7a76\u8868\u660e\u8be5\u6750\u6599\u5728\u53d6\u4ee3\u8d35\u91d1\u5c5ePt\u505a\u6790\u6c22\u50ac\u5316\u5242\u65b9\u9762\u5177\u6709\u5de8\u5927\u6f5c\u529b\u3002\u7136\u800c\uff0c\u76ee\u524dMoS2<\/sub>\u5728HERs\u4e2d\u7684\u50ac\u5316\u673a\u7406\u4ecd\u7136\u6a21\u7cca\uff0cMoS2<\/sub>\u5b58\u5728\u591a\u79cd\u76f8\u5f62\u5f0f\uff0c\u59822H\u30011T\u4ee5\u53ca1T\u2032\u3002\u8fd9\u4e09\u79cd\u76f8\u4e2d\uff0c2H\u6700\u4e3a\u7a33\u5b9a\uff0c\u4f46\u50ac\u5316\u5236\u6c22\u6d3b\u6027\u8f83\u5dee\uff1b1T\u7a33\u5b9a\u6027\u867d\u5dee\uff0c\u4f46\u5176\u5177\u6709\u4f18\u8d8a\u7684\u5bfc\u7535\u6027\uff0c\u6709\u7814\u7a76\u8868\u660e1T- MoS2<\/sub>\u5355\u5206\u5b50\u5c42\u5177\u5907\u975e\u51e1\u7684HERs\u6d3b\u6027\uff0c\u53d1\u73b0\u5176\u6d3b\u6027\u4f4d\u70b9\u5927\u91cf\u5206\u5e03\u4e8e\u9762\u5185\uff0c\u800c\u4e0d\u662f\u59822H\u4e00\u6837\u5927\u91cf\u5206\u5e03\u5728\u8fb9\u7f18\u5730\u5e26\u3002\u7814\u7a76\u8ba4\u4e3aMoS2<\/sub>\u4ece2H\u76f8\u8f6c\u53d8\u4e3a1T\u76f8\u540e\uff0c\u5b9e\u73b0\u4e86HERs\u50ac\u5316\u6d3b\u6027\u7684\u4f18\u52bf\u8f6c\u53d8\u3002\u4e5f\u6709\u7814\u7a76\u8ba4\u4e3aMoS2<\/sub>\u7684\u5149\u50ac\u5316\u6d3b\u6027\u7684\u63d0\u9ad8\u4e3b\u8981\u662f\u7531\u4e8e\u76f8\u3001\u8fb9\u7f18\u548cS\u7a7a\u4f4d\u7684\u534f\u540c\u4f5c\u7528\u3002\u4f46\u662f\u5f88\u591a\u7814\u7a76\u5ffd\u89c6\u4e861T\u76f8\u548c1T\u2019\u76f8\u7684\u533a\u522b\uff0c\u4f7f\u5f971T- MoS2<\/sub>\u771f\u6b63\u7684\u50ac\u5316\u6d3b\u6027\u4ee5\u53ca\u5176HERs\u50ac\u5316\u673a\u7406\u4f9d\u65e7\u662f\u4e0d\u660e\u786e\u7684\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e56\u5357\u5927\u5b66\u5218\u627f\u658c\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u548c\u6e58\u6f6d\u5927\u5b66\u88f4\u52c7\u6559\u6388\u3001<\/strong>UCLA<\/strong>\u6bb5\u9576\u950b\u6559\u6388<\/strong>\u5408\u4f5c<\/strong>\u5728Angew. Chem. Int. Ed.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cActive Site Self-optimization by Irreversible Phase Transition of 1T-MoS2<\/sub><\/strong>\u00a0<\/strong>in Photocatalytic Hydrogen Evolution\u201d<\/strong>\u7684\u7814\u7a76\u5de5\u4f5c\uff0c\u62a5\u9053\u4e861T- MoS2<\/sub>\u5728\u5149\u50ac\u5316HERs\u4e2d\u7684\u4e0d\u53ef\u9006\u76f8\u8f6c\u53d8\u65b0\u73b0\u8c61\uff0c\u63ed\u793a\u4e86\u50ac\u5316\u6d3b\u6027\u589e\u5f3a\u7684\u673a\u5236\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u6c34\u70ed\u5265\u79bb\u5728TiO2<\/sub>\u7eb3\u7c73\u7ea4\u7ef4\u4e4b\u4e0a\u56fa\u5b9a\u5316\u7684MoS2<\/sub>\u7eb3\u7c73\u7247\uff0c\u901a\u8fc7\u8c03\u63a7\u786b\u7f3a\u9677\u548c\u5e94\u529b\u5f97\u5230\u9ad8\u5ea6\u7a33\u5b9a\u76841T- MoS2<\/sub>\uff0c\u8d85\u8fc7\u4e00\u5e74\u7684\u65f6\u95f4\u4e0d\u53d1\u751f\u76f8\u8f6c\u53d8\u3002\u7814\u7a76\u53d1\u73b0\uff0c1T\u76f8\u5728\u5149\u50ac\u5316\u5236\u6c22\u8fc7\u7a0b\u4e2d\u4e0d\u53ef\u9006\u8f6c\u53d8\u4e3a\u6d3b\u6027\u66f4\u9ad8\u76841T\u2019\u76f8\uff0c\u5927\u5927\u589e\u5f3a\u4e86HERs\u50ac\u5316\u6d3b\u6027\uff0c\u901a\u8fc7\u7ed3\u5408\u8ba1\u7b97\u6a21\u62df\uff08\u5206\u5b50\u52a8\u529b\u5b66\uff09\uff0c\u53d1\u73b0\u6c22\u539f\u5b50\u7684\u5438\u9644\u662f\u76f8\u8f6c\u53d8\u7684\u4e3b\u8981\u9a71\u52a8\u529b\u3002\u5e76\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u771f\u6b63\u7684\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u6765\u81ea1T\u2019\u76f8\uff0c\u63d0\u51fa1T- MoS2 <\/sub>\u7684\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u81ea\u4f18\u5316\u673a\u5236\u3002<\/p>\n

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

\u56fe<\/strong>1\u00a0 TiO2<\/sub>@MoS2<\/sub><\/strong>\u7684\u5f62\u8c8c\u8868\u5f81\u53ca\u7b49\u6e29\u5438\u9644\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) <\/strong>\u5265\u79bb\u524d\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u7684STEM\u8868\u5f81\u56fe\u50cf\uff1b<\/p>\n

(c-d) <\/strong>\u5265\u79bb\u524d\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u7684TEM\u8868\u5f81\u56fe\u50cf\uff1b<\/p>\n

(e) <\/strong>TiO2<\/sub>@MoS2<\/sub>\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

(f) <\/strong>\u6837\u54c1\u7684N2<\/sub>\u7b49\u6e29\u5438\u9644\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3aBJH\u5b54\u5f84\u5206\u5e03\u56fe\uff1b<\/p>\n

\u56fe<\/strong>2\u00a0 TiO2<\/sub>@MoS2<\/sub><\/strong>\u7684\u62c9\u66fc\u3001<\/strong>XPS<\/strong>\u548c<\/strong>HRTEM<\/strong>\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u5265\u79bb\u524d\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u7684\u62c9\u66fc\u8868\u5f81\u56fe\u8c31\uff1b<\/p>\n

(b) <\/strong>\u5265\u79bb\u524d\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u7684XPS\u8868\u5f81\u56fe\u8c31\uff1b<\/p>\n

(c-d) <\/strong>\u5265\u79bb\u524d\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u7684HRTEM\u8868\u5f81\u56fe\u50cf\uff1b<\/p>\n

\u56fe<\/strong>3\u00a0 MoS2<\/sub><\/strong>\u7684\u76f8\u53d8\u6a21\u62df\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) <\/strong>1H-MoS2<\/sub>\u548c1T-MoS2<\/sub>\u7684\u58f0\u5b50\u5206\u6563\u6a21\u62df\u7ed3\u679c\uff1b<\/p>\n

(c) <\/strong>1T-MoS2<\/sub>\u76f8\u7684\u6d53\u5ea6vs.\u65f6\u95f4\u5173\u7cfb\u56fe\uff1b<\/p>\n

(d) <\/strong>\u4e0d\u540c\u6d53\u5ea6\u7684S\u7a7a\u4f4d\u4e0b\uff0c1T-MoS2<\/sub>\u548c1H-MoS2<\/sub>\u76f8\u7684\u8868\u9762\u80fd\u5dee\u968f\u5e94\u53d8\u7684\u51fd\u6570\u5173\u7cfb\u66f2\u7ebf\uff1b<\/p>\n

\u56fe<\/strong>4\u00a0 TiO2<\/sub>@MoS2<\/sub><\/strong>\u7684\u5149\u50ac\u5316\u6790\u6c22\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) <\/strong>\u5265\u79bb\u540e\u7684TiO2<\/sub>@MoS2<\/sub>\u50ac\u5316\u5242\u7528\u4e8eHER\u65f6\uff0c\u6bcf\u5c0f\u65f6H2<\/sub>\u7684(a)\u4ea7\u91cf\u548c(b)\u4ea7\u7387\uff0c\u5b9e\u9a8c\u6761\u4ef6\u4e3a80 mL 15% \u4e09\u4e59\u9187\u80fa(TEOA)\u6c34\u6eb6\u6db2\uff0c\u53ef\u89c1\u5149\u5149\u7167(\u03bb>420 nm)\uff0c20 mg\u50ac\u5316\u5242\uff0c20 mg\u66d9\u7ea2Y(EY)\uff1b<\/p>\n

(c) <\/strong>\u53cd\u5e947 h\u540e\uff0cTiO2<\/sub>@MoS2<\/sub>\u50ac\u5316\u5242\u4e2d\u7684MoS2<\/sub>\u7684HRTEM\u56fe\u50cf\uff1b<\/p>\n

(d) <\/strong>\u56fe(c)\u9009\u533a\u7684\u653e\u5927\u56fe\u793a\uff0c\u7bad\u5934\u6240\u6307\u4e3a1T\u05f3<\/strong>-MoS2<\/sub>\u7684Z\u5b57\u94fe\u6784\u578b\uff1b<\/p>\n

\u56fe<\/strong>5\u00a0 MoS2<\/sub><\/strong>\u7684\u9ad8\u89d2\u6697\u573a<\/strong>(HADDF)TEM<\/strong>\u8868\u5f81\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a-d) <\/strong>\u4e0d\u540c\u6a21\u62df\u76f8\u7684HAADF STEM\u56fe\u50cf\uff1a(a)\u7406\u60f3\u76841H\uff0c(b)\u672a\u626d\u66f21T\uff0c(c-d)\u626d\u66f2\u76841T\u76f8(2a\u204ea)\uff0c\u53731T\u2032\u76f8\uff1b<\/p>\n

(e-h) <\/strong>\u76f8\u5bf9\u5e94\u7684\u5f3a\u5ea6\u8f6e\u5ed3\u66f2\u7ebf\uff1b<\/p>\n

(i-l) <\/strong>\u4e0d\u540c\u72b6\u6001\u4e0bTiO2<\/sub>@MoS2<\/sub>\u7684HRTEM\u56fe\u50cf\uff1a(i)\u5265\u79bb\u524d\uff0c(j)\u5265\u79bb\u540e\uff0c(k-l)\u53cd\u5e947 h\u540e\uff1b<\/p>\n

(m-p) <\/strong>\u76f8\u5bf9\u5e94\u7684\u5f3a\u5ea6\u8f6e\u5ed3\u66f2\u7ebf\uff1b<\/p>\n

\u56fe<\/strong>6\u00a0 MoS2<\/sub><\/strong>\u76f8\u8f6c\u53d8\u673a\u7406\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a-b) <\/strong>\u5728\u5355\u5c421T-MoS2<\/sub>(a)\u548c1T\u2032-MoS2<\/sub>(b)\u8868\u9762\u4e0a\uff0cH\u5438\u6536\u7684\u6676\u80de\u6a21\u62df\u56fe\uff0c\u6570\u5b57\u8868\u793a\u53ef\u80fd\u7684H\u6210\u952e\u4f4d\u70b9\uff1b\u9ec4\u8272\u5c0f\u7403\uff1aS\uff0c\u84dd\u8272\u5c0f\u7403\uff1aMo\uff1b<\/p>\n

(c-d) <\/strong>\u57280.0~3.0%\u5e94\u53d8\u8303\u56f4\u5185\uff0c1T-MoS2<\/sub>(c)\u548c1T\u2032-MoS2<\/sub>(d)\u7684H\u5438\u9644\u5409\u5e03\u65af\u81ea\u7531\u80fd\u8ba1\u7b97\u7ed3\u679c\uff1b<\/p>\n

\u3010\u603b\u7ed3\u4e0e\u5c55\u671b\u3011<\/strong><\/p>\n

\u901a\u8fc7\u63a7\u5236\u8868\u9762\u539f\u5b50\u7a7a\u4f4d\u6d53\u5ea6\u548c\u5e94\u53d8\uff0c\u7814\u7a76\u4eba\u5458\u6210\u529f\u5236\u5907\u4e86\u7a33\u5b9a\u6027\u4f18\u5f02\u76841T&1H\u53cc\u76f8\u5408\u5e76MoS2<\/sub>\u7eb3\u7c73\u7247\u6750\u6599\u3002\u7ed3\u5408\u7406\u8bba\u6a21\u62df\u4e0e\u5b9e\u9a8c\u7ed3\u679c\uff0c\u9996\u6b21\u8bc1\u5b9e\uff0cHERs\u4e3b\u8981\u6d3b\u6027\u4f4d\u70b9\u76841T MoS2<\/sub>\u76f8\uff0c\u5728\u53cd\u5e94\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u751f\u4e86\u4e0d\u53ef\u9006\u76f8\u8f6c\u53d8\uff0c\u751f\u6210\u4e86\u4e00\u79cd\u66f4\u5177\u9ad8\u6d3b\u6027\u76841T\u2032\u76f8\uff0c\u4ece\u800c\u4f7f\u5f97\u6750\u6599\u7684HERs\u6d3b\u6027\u5927\u4e3a\u589e\u5f3a\u3002\u6c22\u539f\u5b50\u5438\u9644\u662f\u8be5\u76f8\u8f6c\u53d8\u7684\u4e3b\u8981\u9a71\u52a8\u529b\uff0cMoS2<\/sub>\u4ece1T\u76f8\u52301T\u2032\u76f8\u7684\u8f6c\u53d8\u53ef\u4ee5\u770b\u4f5c\u662f\u50ac\u5316\u4f4d\u70b9\u7684\u81ea\u4f18\u5316\u8fc7\u7a0b\uff0c\u4ece\u800c\u589e\u5f3a\u4e86\u5149\u5316\u5b66\u73af\u5883\u4e2d\u7684\u50ac\u5316\u6d3b\u6027\u3002\u8be5\u9879\u7814\u7a76\u4e3a\u5149\u50ac\u5316HERs\u6750\u6599\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u601d\u8def\uff0c\u5bf9\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u548c\u50ac\u5316\u673a\u7406\u7684\u7814\u7a76\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1a<\/strong>Active Site Self-optimization by Irreversible Phase Transition of 1T-MoS2 in Photocatalytic Hydrogen Evolution<\/a>(Angew. Chem. Int. Ed., 2017, DOI:\u00a010.1002\/anie.201703066)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4 \u6df1\u6d77\u4e07\u91cc \u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/a><\/strong>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5728\u5149\u50ac\u5316\u6790\u6c22(HERs)\u9886\u57df\u5185\uff0c\u4e8c\u786b\u5316\u94bc(MoS2)\u663e\u73b0\u51fa\u4e86\u4e00\u7cfb\u5217\u4f18\u826f\u7684\u6027\u80fd\uff0c\u5927\u91cf\u7814\u7a76\u8868\u660e\u8be5\u6750\u6599\u5728\u53d6\u4ee3\u8d35\u91d1\u5c5ePt\u505a\u6790\u6c22\u50ac\u5316\u5242\u65b9\u9762\u5177\u6709\u5de8\u5927\u6f5c\u529b\u3002\u7136\u800c\uff0c\u76ee…<\/p>\n","protected":false},"author":2219,"featured_media":79140,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-79133","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/79133"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/2219"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=79133"}],"version-history":[{"count":8,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/79133\/revisions"}],"predecessor-version":[{"id":79594,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/79133\/revisions\/79594"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/media\/79140"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=79133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=79133"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=79133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}