{"id":233578,"date":"2022-02-25T05:55:03","date_gmt":"2022-02-24T21:55:03","guid":{"rendered":"\/\/m.iemloyee.com\/?p=233578"},"modified":"2022-02-24T20:55:12","modified_gmt":"2022-02-24T12:55:12","slug":"nat-chem-%ef%bc%9a%e5%85%b7%e6%9c%89%e8%8e%ab%e5%b0%94%e5%b9%b3%e5%b8%a6%e7%9a%84%e6%89%ad%e6%9b%b2%e5%8f%8c%e5%b1%82%e7%9f%b3%e5%a2%a8%e7%83%af%ef%bc%8c%e5%8f%af%e8%b0%83%e8%a7%92%e5%ba%a6%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=233578","title":{"rendered":"Nat. Chem.\uff1a\u5177\u6709\u83ab\u5c14\u5e73\u5e26\u7684\u626d\u66f2\u53cc\u5c42\u77f3\u58a8\u70ef\uff0c\u53ef\u8c03\u89d2\u5ea6\u7535\u5316\u5b66"},"content":{"rendered":"

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

\u5728\u7535\u5316\u5b66\u53cd\u5e94\u4e2d\uff0c\u7535\u6781\u5230\u7535\u89e3\u8d28\u7684\u7535\u8377\u8fc1\u79fb\u9a71\u52a8\u754c\u9762\u4e0a\u7684\u5316\u5b66\u8f6c\u5316\uff0c\u4ee5\u53ca\u5728\u8fd9\u79cd\u754c\u9762\u5904\u7684\u7535\u5b50\u8f6c\u79fb\u53cd\u5e94\u662f\u5b9e\u73b0\u7535\u80fd\u548c\u5316\u5b66\u80fd\u76f8\u4e92\u8f6c\u6362\u7684\u5173\u952e\u6280\u672f\u7684\u57fa\u7840\u3002\u539f\u5b50\u7ea7\u8584\u7684\u4e8c\u7ef4(2D)\u6750\u6599\u5df2\u7ecf\u4e3a\u63a7\u5236\u754c\u9762\u7535\u8377\u8f6c\u79fb\u548c\u8868\u9762\u53cd\u5e94\u6d3b\u6027\u63d0\u4f9b\u4e86\u72ec\u7279\u7684\u9014\u5f84\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u7535\u5b50\u7279\u6027\u53ef\u4ee5\u901a\u8fc7\u7ec6\u5fae\u7684\u7ed3\u6784\u4fee\u9970\u548c\u5176\u4ed6\u5916\u90e8\u9759\u7535\u6270\u52a8\u8fdb\u884c\u64cd\u7eb5\u3002\u4e8c\u7ef4\u8868\u9762\u4e0a\u7684\u7f3a\u9677\u548c\u8fb9\u7f18\u4f4d\u7f6e\u7531\u4e8e\u5176\u4fee\u6b63\u7684\u7535\u5b50\u6027\u8d28\uff0c\u88ab\u8ba4\u4e3a\u662f\u754c\u9762\u7535\u8377\u8f6c\u79fb\u8fc7\u7a0b\u4e2d\u7684\u53cd\u5e94\u70ed\u70b9\u3002\u7136\u800c\uff0c\u8fb9\u7f18\u4f4d\u7f6e\u7684\u5c0f\u9762\u79ef\u90e8\u5206\u9650\u5236\u4e86\u5bf9\u6574\u4e2a\u8868\u9762\u7684\u6700\u5927\u5229\u7528\u3002\u6b64\u5916\uff0c\u5b9e\u73b0\u5bf9\u539f\u5b50\u7f3a\u9677\u7684\u5408\u7406\u63a7\u5236\u548c\u7f3a\u9677\u8bf1\u5bfc\u589e\u5f3a\u7684\u6700\u4f73\u9009\u62e9\u6027\u901a\u5e38\u662f\u5177\u6709\u6311\u6218\u6027\u7684\u3002<\/p>\n

\u539f\u5b50\u7ea7\u8584\u7684\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u5177\u6709\u5fae\u5f31\u7684\u5c42\u95f4\u76f8\u4e92\u4f5c\u7528\uff0c\u5141\u8bb8\u72ec\u7acb\u63a7\u5236\u4e8c\u7ef4\u6676\u683c\u4e4b\u95f4\u7684\u4efb\u610f\u65b9\u4f4d\u89d2\u65b9\u5411(\u201c\u626d\u8f6c\u89d2\u5ea6\u201d)\uff0c\u4e3a\u8c03\u5236\u4e8c\u7ef4\u6750\u6599\u7684\u7535\u5b50\u6027\u8d28\u5f15\u5165\u4e86\u4e00\u4e2a\u72ec\u7279\u7684\u81ea\u7531\u5ea6\u3002\u6700\u8fd1\u7684\u5de5\u4f5c\u53d1\u73b0\u4e86\u8f6c\u89d22D\u6750\u6599\u4e2d\u5f02\u5e38\u5e7f\u6cdb\u4e14\u4e0d\u65ad\u589e\u52a0\u7684\u5947\u5f02\u7269\u7406\u73b0\u8c61\u3002\u5173\u4e8e\u8f6c\u89d2\u77f3\u58a8\u70ef(TBG)\u4ee5\u53ca\u8f6c\u89d2\u8fc7\u6e21\u91d1\u5c5e\u5316\u5408\u7269\u7684\u7814\u7a76\u8868\u660e\uff0c\u8fd9\u4e9b\u5e73\u5766\u5e26\u4ea7\u751f\u4e86\u4e00\u7cfb\u5217\u76f8\u4e92\u7f20\u7ed5\u7684\u76f8\u5173\u7535\u5b50\u76f8\uff0c\u5305\u62ec\u76f8\u5173\u7684\u7edd\u7f18\u6001\uff0c\u975e\u5e38\u89c4\u8d85\u5bfc\u6027\u548c\u8f68\u9053\u78c1\u6027\u3002\u5728\u8fd9\u79cd\u626d\u8f6c\u7684\u4e8c\u7ef4\u6750\u6599\u4e2d\uff0c\u5728\u4e0d\u540c\u53e0\u52a0\u57df\u4e4b\u95f4\u7684\u4ea4\u70b9\u5904\u4f1a\u5f62\u6210\u4e00\u79cd\u201c\u62d3\u6251\u201d\u7f3a\u9677\u3002\u9664\u4e86\u627f\u8f7d\u4f4e\u6e29\u76f8\u5173\u7684\u7535\u5b50\u7269\u7406\u7279\u6027\uff0c\u8fd9\u4e9b\u62d3\u6251\u7f3a\u9677\u5728\u6982\u5ff5\u4e0a\u7c7b\u4f3c\u4e8e\u7ed3\u6784\u539f\u5b50\u7f3a\u9677\uff0c\u5b83\u4eec\u4ea7\u751f\u7684\u5c40\u57df\u6001\u53ef\u4ee5\u5f71\u54cd\u754c\u9762\u7535\u8377\u8f6c\u79fb\u5316\u5b66\u3002\u867d\u7136\u6709\u5c11\u6570\u7814\u7a76\u8d28\u7591\u5c42\u95f4\u626d\u8f6c\u5bf9\u5316\u5b66\u53cd\u5e94\u6027\u7684\u5f71\u54cd\uff0c\u4f46\u8fd9\u4e9b\u5b9e\u9a8c\u90fd\u88ab\u9650\u5236\u5728\u5927\u626d\u8f6c\u89d2(\u22657\u00b0)\u4e4b\u5916\u7684\u5e73\u5766\u5e26\u548c\u201c\u9b54\u672f\u89d2\u201d\u533a\u3002\u56e0\u6b64\uff0c\u5229\u7528moir\u00e9\u5e73\u5766\u5e26\u548c\u62d3\u6251\u7f3a\u9677\u7684\u6982\u5ff5\u6765\u8c03\u5236\u754c\u9762\u7535\u8377\u8f6c\u79fb\u7387\u7684\u53ef\u80fd\u6027\u4ecd\u672a\u88ab\u63a2\u7d22\u3002<\/p>\n

\u7814\u7a76\u8fdb\u5c55<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66Bediako, D. Kwabena\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Nat. Chem.<\/em>\u4e0a\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\u201cTunable angle-dependent electrochemistry at twisted bilayer graphene with moir\u00e9 flat bands<\/strong>\u201d\u3002\u56e2\u961f\u62a5\u9053\u4e86\u83ab\u5c14\u5e73\u5766\u5e26\u7684\u626d\u66f2\u53cc\u5c42\u77f3\u58a8\u70ef\u7684\u53ef\u8c03\u89d2\u5ea6\u76f8\u5173\u7535\u5316\u5b66\u7814\u7a76\u3002\u5728\u626d\u66f2\u53cc\u5c42\u77f3\u58a8\u70ef\u7535\u6781\u4e0a\uff0c\u5f02\u8d28\u7535\u8377\u8f6c\u79fb\u52a8\u529b\u5b66\u7684\u626d\u8f6c\u89d2\u5f3a\u70c8\u4f9d\u8d56\u6027\uff0c\u5728\u201c\u9b54\u89d2\u201d\uff08~1.1\u00b0\uff09\u9644\u8fd1\u89c2\u5bdf\u5230\u6700\u5927\u589e\u5f3a\u6548\u5e94\u3002\u7ed3\u5408\u5b9e\u9a8c\u548c\u8ba1\u7b97\u5206\u6790\u8868\u660e\uff0cmoir\u00e9\u89d2\u7684\u7535\u5316\u5b66\u6d3b\u6027\u7684\u53d8\u5316\u662f\u7531<2\u00b0\u626d\u89d2\u7684moir\u00e9\u8d85\u6676\u683c\u7684\u7ed3\u6784\u5f1b\u8c6b\u63a7\u5236\u7684\uff0c\u800c\u201c\u62d3\u6251\u7f3a\u9677\u201d\u5806\u53e0\u533a\uff08\u5176\u4e2d\u5e73\u5e26\u662f\u5c40\u57df\u5316\u7684\uff09\u4ea7\u751f\u4e86\u8f83\u5927\u53cd\u5e38\u5c40\u90e8\u7535\u5316\u5b66\u589e\u5f3a\uff0c\u8fd9\u4e0d\u80fd\u4ec5\u7531\u5347\u9ad8\u7684\u5c40\u57df\u6001\u5bc6\u5ea6\u6765\u89e3\u91ca\u3002<\/p>\n

\"\"<\/p>\n

\u56fe\u6587\u4ecb\u7ecd<\/strong><\/p>\n

\u56fe1. \u8f6c\u89d2\u53cc\u5c42\u77f3\u58a8\u70efmoir\u00e9\u8d85\u6676\u683c\u53ca\u5176\u7535\u5316\u5b66\u54cd\u5e94\u00a92022 Springer Nature<\/p>\n

\"\"<\/p>\n

a. \u4e09\u79cd\u53e0\u52a0\u7ed3\u6784(AA, AB\/BA\u548cSP)\u7684\u793a\u610f\u56fe<\/p>\n

b. TBG\u8d85\u6676\u683c\u7684\u5fae\u5e03\u91cc\u6e0a\u533a<\/p>\n

c,d. \u8ba1\u7b97\u51fa1.1\u00b0TBG\u7684moir\u00e9\u5e26(c)\u548c\u76f8\u5e94\u7684DOS (d)<\/p>\n

e. TBG\/hBN\u5f02\u8d28\u7ed3\u7684\u5149\u5b66\u56fe\u50cf<\/p>\n

f. 1.15\u00b0TBG\u6052\u6d41STM\u56fe\u50cf<\/p>\n

g. TBG\u8868\u9762\u7684\u5c40\u90e8\u5faa\u73af\u4f0f\u5b89\u6d4b\u91cf\u539f\u7406\u56fe<\/p>\n

h. \u7a33\u6001\u4f0f\u5b89\u66f2\u7ebf<\/p>\n

\u56fe2. \u91cf\u5316TBG\u754c\u9762\u7535\u5b50\u8f6c\u79fb\u4e2d\u7684\u91cf\u5b50\u7535\u5bb9\u6548\u5e94\u00a92022 Springer Nature<\/p>\n

\"\"a. \u7535\u6781-\u7535\u89e3\u8d28\u754c\u9762\u793a\u610f\u56fe<\/p>\n

b. \u5728\u4e0d\u540c\u7684\u626d\u8f6c\u89d2\u5ea6\u4e0bC<\/i><\/em>q\u4e0e<\/i><\/sub><\/em>\u5316\u5b66\u52bf(V<\/i><\/em>q<\/i><\/sub><\/em>)\u7684\u5173\u7cfb<\/p>\n

c. \u4e0d\u540c\u626d\u8f6c\u89d2\u5ea6\u4e0b\u53cc\u5c42\u4e0a\u7684\u7535\u52bf\u964d(V<\/i><\/em>dl<\/i><\/sub><\/em>)\u4e0e\u5916\u52a0\u7535\u52bf(V<\/i><\/em>app<\/i><\/sub><\/em>)\u7684\u5173\u7cfb<\/p>\n

d. \u7535\u6781DOS\u548cV<\/i><\/em>dl<\/i><\/sub><\/em>\u548cV<\/i><\/em>q<\/i><\/sub><\/em>\u76f8\u5bf9\u8d21\u732e\u7684\u754c\u9762\u7535\u8377\u8f6c\u79fb\u7684\u80fd\u91cf\u56fe<\/p>\n

\u56fe3. moir\u00e9\u89d2\u4e0e\u7535\u5b50\u8f93\u8fd0\u901f\u7387\u7684\u76f8\u5173\u6027\u00a92022 Springer Nature<\/p>\n

\"\"a. TBG\u7684\u6052\u6d41STM\u56fe\u50cf<\/p>\n

b. \u7a33\u6001\u4f0f\u5b89\u66f2\u7ebf<\/p>\n

c. \u7528Gerischer-Marcus (GM)\u6846\u67b6\u8ba1\u7b97\u4e0d\u540c\u03b8<\/i><\/em>m<\/i><\/sub><\/em>\u65f6\u7684k<\/i><\/em>red<\/i><\/sub><\/em>\u4e0eV<\/i><\/em>app<\/i><\/sub><\/em>\u7684\u5173\u7cfb<\/p>\n

d. \u4ece\u5b9e\u9a8c\u4f0f\u5b89\u56fe\u4e2d\u63d0\u53d6\u7684\u6807\u51c6\u901f\u7387\u5e38\u6570(k<\/i><\/em>0<\/i><\/sub><\/em>)\u4e0e\u626d\u89d2\u7684\u5173\u7cfb<\/p>\n

\u56fe4. TBG moir\u00e9\u6676\u80de\u5185\u7684\u7406\u8bba\u7535\u5b50\u8f93\u8fd0\u52a8\u529b\u5b66\u00a92022 Springer Nature<\/p>\n

\"\"<\/p>\n

a,b. \u8ba1\u7b97\u03b8<\/i><\/em>m<\/i><\/sub><\/em>\u00a0= 1.1\u00b0(a)\u548c3.0\u00b0(b)\u65f6TBG\u4e2dAA\u3001AB\/BA\u548cSP\u7684LDOS\u4e0e\u80fd\u91cf\u7684\u5173\u7cfb<\/p>\n

c. \u8ba1\u7b97TBG\u7684LDOS\u3001V<\/i><\/em>dl<\/i><\/sub><\/em>\u548ck<\/i><\/em>red<\/i><\/sub><\/em>\u7684\u5b9e\u7a7a\u95f4\u6620\u5c04<\/p>\n

\u56fe5. TBG-AA\u533a\u6676\u683c\u5f1b\u8c6b\u548c\u7535\u5b50\u8f93\u8fd0\u52a8\u529b\u5b66\u7684\u5f02\u5e38\u589e\u5f3a\u00a92022 Springer Nature<\/p>\n

\"\"<\/p>\n

a. AA\u4f4d\u70b9\u7684\u5b9e\u9a8c\u5c40\u57dfk<\/i><\/em>0<\/i><\/sup><\/em>\u968f\u03b8<\/i><\/em>m<\/i><\/sub><\/em>\u7684\u53d8\u5316<\/p>\n

b. \u6676\u683c\u5f1b\u8c6b\u8fc7\u7a0b\u7684\u793a\u610f\u56fe<\/p>\n

\u5c0f\u7ed3<\/strong><\/p>\n

\u8be5\u9879\u7814\u7a76\u5c55\u793a\u4e86\uff0c\u626d\u66f2\u53cc\u5c42\u77f3\u58a8\u70efTBG\u7684\u754c\u9762\u7535\u5b50\u8f6c\u79fb\u884c\u4e3a\uff0c\u9664\u4e86\u4f4e\u6e29\u76f8\u5173\u7535\u5b50\u76f8\u4e4b\u5916\uff0c\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3vDW\u7ed3\u6784\u4e2d\u83ab\u5c14Moir\u00e9\u884d\u751f\u5e73\u5e26\uff0c\u63d0\u4f9b\u4e86\u72ec\u7279\u53ef\u8c03\u6750\u6599\u5e73\u53f0\uff0c\u4ee5\u7cfb\u7edf\u5730\u64cd\u7eb5\u548c\u4ece\u6839\u672c\u4e0a\u63a2\u6d4b\u5728\u660e\u786e\u5b9a\u4e49\u8868\u9762\u4e0a\u7684\u754c\u9762\u7535\u8377\u8f6c\u79fb\u548c\uff08\u7535\uff09\u5316\u5b66\u8f6c\u53d8\u3002\u7531\u6b64\uff0c\u53ef\u4ee3\u66ff\u96be\u4ee5\u63a7\u5236\u7684\u5916\u6765\u5f15\u5165\u63ba\u6742\u5242\uff0c\u6216\u8005\u6676\u4f53 \u7ed3\u6784\u7f3a\u9677\u3002<\/p>\n

\u7814\u7a76\u8bc1\u660e\u4e86\u6fc0\u6d3b\u62d3\u6251\u7f3a\u9677\u7684\u539f\u59cb\u77f3\u58a8\u70ef\u57fa\u9762\u8868\u9762\u7684\u53ef\u884c\u6027\uff0c\u8be5\u62d3\u6251\u7f3a\u9677\u6e90\u4e8e\u626d\u66f2\u53cc\u5c42\u7684\u7ed3\u6784\u5bf9\u79f0\u6027\u7834\u7f3a\u3002\u901a\u8fc7\u7cbe\u786e\u63a7\u5236\u5c42\u95f4\u626d\u66f2\u89d2\uff0c\u53ef\u4ee5\u5229\u7528\u5728\u5b9e\u7a7a\u95f4\u4e2d\u56fa\u6709\u5730\u5c40\u9650\u4e8e\u7eb3\u7c73\u5c3a\u5ea6\u533a\u57df\u5e73\u5e26\uff0c\u8c03\u6574\u5916\u5c42\u7535\u8377\u8f6c\u79fb\u53cd\u5e94\u7684\u901f\u7387\u5e38\u6570\u3002\u636e\u9884\u8ba1\uff0c\u83ab\u5c14\u7ed3\u6784\u7684\u5e73\u5e26\u5de5\u7a0b\u5c06\u6210\u4e3a\u4e00\u79cd\u901a\u7528\u7b56\u7565\uff0c\u4ee5\u8c03\u8282\u77f3\u58a8\u70ef\u4ee5\u5916\u7684\u5404\u79cd\u4e8c\u7ef4\u6750\u6599\u8868\u9762\u5316\u5b66\u53cd\u5e94\u7279\u6027\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aTunable angle-dependent electrochemistry at twisted bilayer graphene with moir\u00e9 flat bands<\/u><\/a>. Nature Chemistry.<\/i><\/em>\u00a02022. DOI: 10.1038\/s41557-021-00865-1.<\/p>\n

\u672c\u6587\u7531\u7eb3\u7c73\u5c0f\u767d\u4f9b\u7a3f<\/p>\n

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