{"id":37516,"date":"2016-08-31T16:00:09","date_gmt":"2016-08-31T08:00:09","guid":{"rendered":"\/\/m.iemloyee.com\/?p=37516"},"modified":"2016-08-31T20:33:28","modified_gmt":"2016-08-31T12:33:28","slug":"nano-lett-%ef%bc%9a%e6%b0%a7%e5%8c%96%e7%89%a9%e8%a1%a8%e9%9d%a2%e5%8c%85%e8%a6%86%e5%ae%9e%e7%8e%b0%e5%b5%8c%e9%94%82%e7%a1%85%e7%ba%b3%e7%b1%b3%e7%ae%a1%e5%86%85%e5%a4%96%e8%86%a8%e8%83%80%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=37516","title":{"rendered":"Nano Lett. \u6c27\u5316\u7269\u8868\u9762\u5305\u8986\u5b9e\u73b0\u5d4c\u9502\u7845\u7eb3\u7c73\u7ba1\u5185\u5916\u81a8\u80c0\u7684\u8c03\u63a7"},"content":{"rendered":"
\u80cc\u666f\u5185\u5bb9\u7b80\u4ecb\uff1a<\/strong><\/span><\/p>\n \u4fbf\u643a\u5f0f\u7535\u5b50\u8bbe\u5907\u4ee5\u53ca\u7535\u52a8\u6c7d\u8f66\u7684\u53d1\u5c55\u5bf9\u9502\u79bb\u5b50\u7535\u6c60\u6027\u80fd\u6709\u66f4\u52a0\u4f18\u5f02\u7684\u8981\u6c42\uff0c\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u548c\u957f\u5faa\u73af\u7a33\u5b9a\u6027\u662f\u4e24\u4e2a\u5173\u952e\u70b9\u3002\u5728\u79cd\u7c7b\u7e41\u591a\u7684\u8d1f\u6781\u6750\u6599\u4e2d\uff0c\u7845\u7531\u4e8e\u8f83\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff08Li15<\/sub>Si4<\/sub>\u5728\u5ba4\u6e29\u4e0b\u7406\u8bba\u5bb9\u91cf\u53ef\u8fbe3579 mAh\/g\uff09\u800c\u88ab\u770b\u505a\u4e00\u79cd\u6709\u5e0c\u671b\u7684\u8d1f\u6781\u6750\u6599\u66ff\u4ee3\u54c1\uff0c\u7136\u800c\u7845\u7535\u6781\u6709\u4e00\u4e2a\u5f88\u5927\u7684\u4e0d\u8db3\uff0c\u5728\u5145\u653e\u7535\u5faa\u73af\u65f6\u4f53\u79ef\u53d1\u751f\u8f83\u5927\u7684\u53d8\u5316\uff0c\u5bfc\u81f4\u7535\u6c60\u7ec4\u4ef6\u7684\u5206\u79bb\u548c\u5bb9\u91cf\u8870\u51cf\uff0c\u53ea\u6709\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u624d\u80fd\u5b9e\u73b0Si\u6750\u6599\u7684\u6709\u6548\u5e94\u7528\u3002<\/p>\n \u8fd1\u65e5\uff0c\u6d59\u6c5f\u5927\u5b66\u7684\u738b\u6c5f\u4f1f\u56e2\u961f\u4e0e\u56fd\u5916\u79d1\u7814\u673a\u6784\u8054\u5408\u7814\u7a76\uff0c\u901a\u8fc7\u6c27\u5316\u7269\u8868\u9762\u5305\u8986\uff0c\u5229\u7528\u539f\u4f4d\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u548c\u5316\u5b66\u673a\u68b0\u6a21\u578b\u7814\u7a76\u4e86\u4e0d\u540c\u539a\u5ea6\u7684SiOx\u5c42\u7684\u65e0\u5f62\u6027\u7845\u7eb3\u7c73\u7ba1\u7684\u8bf1\u53d1\u6027\u81a8\u80c0\u95ee\u9898\uff0c\u4e0d\u4ec5\u4ec5\u4e3a\u8868\u5c42\u5305\u8986\u7684\u7eb3\u7c73\u7ba1\u8d1f\u6781\u6750\u6599\u6027\u80fd\u9000\u5316\u7684\u539f\u56e0\u63d0\u51fa\u4e86\u4e00\u79cd\u89c1\u89e3\uff0c\u540c\u65f6\u4e5f\u4e3a\u9ad8\u6027\u80fd\u9502\u79bb\u5b50\u7535\u6c60\u4e2d\u7a7a\u8d1f\u6781\u6750\u6599\u7684\u4f18\u5316\u8bbe\u8ba1\u70b9\u660e\u4e86\u65b9\u5411\u3002<\/p>\n \u56fe\u6587\u5bfc\u8bfb\uff1a<\/strong><\/span><\/p>\n \u56fe1.<\/strong><\/span> a-Si\u7eb3\u7c73\u7ba1\u539f\u4f4d\u6c27\u5316\u7684\u7b2c\u4e00\u6b21\u5d4c\u9502.(a)\u521d\u59cba-Si\u7eb3\u7c73\u7ba1\u7684\u539f\u4f4d\u6c27\u5316\uff1b\u8fd9\u79cd\u7eb3\u7c73\u7ba1\u7684\u5185\u5f84(d1<\/sub>)\u548c\u5916\u5f84(d2<\/sub>)\u5206\u522b\u662f330 nm\u548c280 nm. (b)EDS\u7ebf\u626b\u56fe\u50cf\u663e\u793a\u4e86a-Si\u7eb3\u7c73\u7ba1\u6cbf\u7740\u5f84\u5411\u65b9\u5411\u7684\u5143\u7d20\u5206\u5e03\uff1b\u5185\u90e8\u548c\u5916\u90e8\u8868\u5c42\u7684\u539f\u4f4d\u6c27\u5316\u5c42\u539a\u5ea6\u90fd\u5c0f\u4e8e2nm. (c)\u968f\u7740\u5d4c\u9502\u65f6\u95f4\u7684\u6539\u53d8d1<\/sub>\u548cd4<\/sub>\u7684\u53d8\u5316. (d-f) a-Si\u7eb3\u7c73\u7ba1\u539f\u4f4d\u6c27\u5316\u7684\u5d4c\u9502\u65f6\u95f4\u8fc1\u79fb\u56fe\uff0c\u8be5\u8fc7\u7a0b\u5206\u4e24\u6b65\u5b8c\u6210\u3002\u5728\u7b2c\u4e00\u6b65\u4e2d\uff0c\u7b2c\u4e00\u6b21\u4ece\u5916\u5c42\u5d4c\u9502\uff08\u79f0\u4e3a\u5916\u5c42\u5d4c\u9502\uff09\uff0c\u7136\u540e\u5f00\u59cb\u4ece\u5185\u5c42\u5d4c\u9502\uff0c\u5f97\u5230\u4e09\u660e\u6cbb\u7ed3\u6784\u7684a-Lix<\/sub>Si\/a-Si\/a-Lix<\/sub>Si (\u6a21\u677fd\uff0c\u88ab\u79f0\u4e3a\u4e09\u660e\u6cbb\u5d4c\u9502) \uff0c\u5f53\u4e09\u660e\u6cbb\u7ed3\u6784\u6d88\u5931\u65f6\uff0c\u7b2c\u4e00\u6b65\u5d4c\u9502\u5b8c\u6210. (e)\u5728\u7b2c\u4e8c\u6b65\u4e2d\uff0cd4<\/sub>\u4e00\u76f4\u4fdd\u6301\u4e0d\u53d8\u76f4\u5230\u4e00\u4e2a\u7a81\u7136\u7684\u589e\u52a0\uff0c\u4f46\u662fd1<\/sub>\u5728\u6574\u4e2a\u5d4c\u9502\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u6539\u53d8\u3002<\/p>\n \u56fe2.<\/strong> \u539f\u4f4d\u6c27\u5316\u7684a-Si\u7eb3\u7c73\u7ba1\u5728\u8131\u5d4c\u9502\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u7ed3\u6784\u53d8\u5316(\u4e0d\u540c\u4e8e\u56fe1\u4e2d\u7684\u7eb3\u7c73\u7ba1). (a)\u539f\u59cb\u7eb3\u7c73\u7ba1. (b-f)\u5728\u4e09\u6b21\u8131\u5d4c\u9502\u5faa\u73af\u4e2d\u53d1\u751f\u4e86\u53ef\u9006\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u5728\u7eb3\u7c73\u7ba1\u7684\u5185\u8868\u9762\u6ca1\u6709\u4efb\u4f55\u5185\u90e8\u81a8\u80c0\u3002<\/p>\n \u56fe3.<\/strong>\u539f\u4f4d\u6c27\u5316a-Si\u7eb3\u7c73\u7ba1\u5d4c\u9502\u52a8\u529b\u5b66\u8fc7\u7a0b\u7684\u5316\u5b66\u673a\u68b0\u6a21\u578b. (a)\u6a21\u578b\u539f\u7406\u56fe\u663e\u793a\u4e86a-Si\u7eb3\u7c73\u7ba1\u5728\u5d4c\u9502\u4e4b\u524d\u7684\u6a2a\u622a\u9762. (b) a-Lix<\/sub>Si\/a-Si\/a-Lix<\/sub>Si\u5728\u7b2c\u4e00\u6b65\u5d4c\u9502\u8fc7\u7a0b\u4e2d\u7684\u4e09\u660e\u6cbb\u7ed3\u6784\u5f62\u6210\u7684\u793a\u610f\u56fe. (c)\u5728\u7b2c\u4e8c\u6b21\u5d4c\u9502\u8fc7\u7a0b\u4e2d\uff0cd1<\/sub>\u548cd4<\/sub>\u968f\u7740\u65f6\u95f4t*\u51cf\u5c11\u7684\u51fd\u6570\u7684\u5b9e\u9a8c\u7ed3\u679c\u548c\u6a21\u62df\u7ed3\u679c\u7684\u6bd4\u8f83\u3002\u5728\u7b2c\u4e00\u6b65\u5d4c\u9502\u8fc7\u7a0b\u4e2d\uff0c\u51cf\u5c11\u7684\u65f6\u95f4t*\u5b9a\u4e49\u4e3a\u6b63\u5e38\u7684\u5d4c\u9502\u65f6\u95f4\u3002<\/p>\n \u56fe4.<\/strong>\u4e24\u79cd\u4e0d\u540c\u539a\u5ea6\u6c27\u5316\u7269\u5305\u8986\u7684a-Si\u7eb3\u7c73\u7ba1\u7684\u5d4c\u9502. (a)\u5d4c\u9502\u524dSiOx<\/sub>\/Si\/SiOx<\/sub>\u7684\u56db\u79cd\u76f4\u5f84d1<\/sub>,d2<\/sub>,d3<\/sub>,d4<\/sub>\uff0c\u76f8\u5e94\u7684\u5206\u522b\u662fSiOx<\/sub>\u548ca-Si\u5c42\u5185\u8868\u9762\u548c\u754c\u9762\uff0cSiOx<\/sub>\u548ca-Si\u5c42\u7684\u754c\u9762\u548c\u5916\u8868\u9762. (b-f)\u4e00\u79cda-Si\u7eb3\u7c73\u7ba1\u7684\u5185\u8868\u9762\u548c\u5916\u8868\u9762\u5206\u522b\u67093 nm\u548c4 nm\u539a\u7684SiOx<\/sub>(\u79f0\u4e3a3\u20164 nm SiOx<\/sub>\/Si\/SiOx<\/sub> \u7eb3\u7c73\u7ba1). (b)EDS\u7ebf\u626b\u56fe\u663e\u793aSiOx<\/sub>\u5185\u5c42\u548c\u5916\u5c42\u539a\u5ea6.(c-f)\u968f\u65f6\u95f4\u8fc1\u79fb\u7684\u5d4c\u9502\u7684TEM\u56fe\u3002\u4eced\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u7b2c\u4e00\u6b21\u662f\u4ece\u5916\u5c42\u5f00\u59cb\u5d4c\u9502\uff0c\u7136\u540e\u4ece\u5185\u5c42\u5f00\u59cb\u5d4c\u9502\uff0c\u8fd9\u6837\u5f62\u6210\u4e86\u4e09\u660e\u6cbb\u5f0f\u5d4c\u9502\u7ed3\u6784. (g-i) \u4e00\u79cda-Si\u7eb3\u7c73\u7ba1\u7684\u5185\u8868\u9762\u548c\u5916\u8868\u9762\u5206\u522b\u67094 nm\u548c6.5 nm\u539a\u7684SiOx<\/sub>(\u79f0\u4e3a4\u20166.5 nm SiOx<\/sub>\/Si\/SiOx<\/sub> \u7eb3\u7c73\u7ba1). (g)\u9ad8\u5206\u8fa8TEM\u56fe\u663e\u793a\u4e86SiOx<\/sub>\u5185\u5c42\u548c\u5916\u5c42\u7684\u539a\u5ea6. (h-i)\u5d4c\u9502\u524d\u548c\u5d4c\u9502\u540e\u7684TEM\u56fe\u3002<\/p>\n \u56fe5.<\/strong> 6.5\u20169 nm SiOx<\/sub>\/Si\/SiOx<\/sub> \u7eb3\u7c73\u7ba1\u7684\u5d4c\u9502\u4ee5\u53ca\u5d4c\u9502\u7684a-Si\u7eb3\u7c73\u7ba1\u7684\u5916\u5c42SiOx<\/sub>\u5bf9\u5176\u529b\u5b66\u6027\u80fd\u7684\u5f71\u54cd. (a)\u539f\u59cb\u76846.5\u20169 nm SiOx<\/sub>\/Si\/SiOx<\/sub> \u7eb3\u7c73\u7ba1. (b-c)\u9ad8\u5206\u8fa8TEM\u663e\u793a\u4e86\u5728(b)\u4e4b\u524d\u548c(c)\u4e4b\u540e\u7684\u5185\u5916\u5c42SiOx<\/sub>\u7684\u539a\u5ea6.(d)\u7b2c\u4e00\u6b65\u5d4c\u9502\u4e2d\u5916\u5c42SiOx<\/sub>\u7684\u539a\u5ea6\u4ece9 nm\u589e\u52a0\u523012 nm. (e-f)TEM\u56fe\u663e\u793a\u4e86\u7b2c\u4e00\u6b65\u5d4c\u9502\u7ed3\u679c\u4ea7\u751f\u4e86\u4e09\u660e\u6cbb\u5f0f\u5d4c\u9502\u7ed3\u6784\uff0c\u5728\u7b2c\u4e8c\u6b65\u5d4c\u9502\u4e2d\uff0c\u4ea7\u751f\u4e86220%\u7684\u6574\u4f53\u4f53\u79ef\u81a8\u80c0\uff08\u76f8\u6bd4\u4e8e\u539f\u6765\u7684a-Si.(g)\u7b2c\u4e8c\u6b65\u5d4c\u9502\u4e2d6.5\u20169 nm SiOx<\/sub>\/Si\/SiOx<\/sub> \u7eb3\u7c73\u7ba1\u968f\u7740\u65f6\u95f4\u7684\u51cf\u5c0fd1<\/sub>\u548cd4<\/sub>\u7684\u53d8\u5316\u51fd\u6570\u7684\u5b9e\u9a8c\u7ed3\u679c\u548c\u6a21\u62df\u7ed3\u679c\u7684\u6bd4\u8f83.(h)\u5b9e\u9a8c\u7ed3\u679c\u663e\u793a\u5728\u4e0d\u540c\u539a\u5ea6\u7684\u5916\u5c42SiOx<\/sub>\u5c42\u7684a-Si\u7eb3\u7c73\u7ba1\u4e2d\uff0c\u5185\u90e8\u548c\u5916\u90e8\u7684\u4f53\u79ef\u81a8\u80c0\u5728\u6574\u4e2a\u5d4c\u9502\u7684a-Lix<\/sub>Si \u603b\u4f53\u79ef\u4e2d\u6240\u5360\u7684\u767e\u5206\u6bd4\u3002<\/p>\n \u5c55\u671b\uff1a<\/strong><\/span><\/p>\n \u9502\u79bb\u5b50\u7535\u6c60\u53d1\u5c55\u8fc5\u901f\u5e76\u5df2\u7ecf\u53d6\u5f97\u4e86\u8f83\u4e3a\u4e30\u7855\u7684\u6210\u679c\uff0c\u800cSi\u5728\u9502\u79bb\u5b50\u7535\u6c60\u4e2d\u7684\u5e94\u7528\u524d\u666f\u5c06\u662f\u975e\u5e38\u5e7f\u9614\u7684\uff0c\u4e3a\u9ad8\u5bb9\u91cf\u7684\u9502\u79bb\u5b50\u7535\u6c60\u7684\u5f00\u53d1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u601d\u8def\u3002<\/p>\n \u539f\u6587\u94fe\u63a5<\/strong>\uff1aTuning the Outward to Inward Swelling in Lithiated Silicon Nanotubes via Surface Oxide Coating<\/a>(NanoLett., 2016, DOI:10.1021\/acs.nanolett.6b02581)<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n