{"id":160700,"date":"2018-12-04T06:30:29","date_gmt":"2018-12-03T22:30:29","guid":{"rendered":"\/\/m.iemloyee.com\/?p=160700"},"modified":"2018-12-03T18:41:44","modified_gmt":"2018-12-03T10:41:44","slug":"%e5%8d%8e%e7%a7%91%e7%bf%9f%e5%a4%a9%e4%bd%91adv-mater-%e6%b6%b2%e6%80%81%e5%90%88%e9%87%91%e8%be%85%e5%8a%a9%e7%94%9f%e9%95%bf2d%e4%b8%89%e5%85%83ga2in4s9%e8%96%84%e7%89%87%e5%8f%8a%e5%85%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=160700","title":{"rendered":"\u534e\u79d1\u7fdf\u5929\u4f51Adv. Mater. : \u6db2\u6001\u5408\u91d1\u8f85\u52a9\u751f\u957f2D\u4e09\u5143Ga2In4S9\u8584\u7247\u53ca\u5176\u9ad8\u6027\u80fd\u7d2b\u5916\u5149\u7535\u68c0\u6d4b"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u6700\u8fd1\uff0c2D\u4e09\u5143\u6750\u6599\u7531\u4e8e\u5316\u5b66\u8ba1\u91cf\u6bd4\u6613\u4e8e\u8c03\u63a7\uff0c\u5176\u7269\u7406\u6027\u8d28\u968f\u4e4b\u53d1\u751f\u53d8\u5316\uff0c\u5f15\u8d77\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u5176\u4e2d\uff0c\u4e09\u5143Ga2<\/sub>In4<\/sub>S9<\/sub>\u662f\u5177\u6709\u5f31\u8303\u5fb7\u534e\u76f8\u4e92\u4f5c\u7528\u7684\u5c42\u72b6n\u578b\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u5177\u6709\u4f18\u8d8a\u7535\u5b50\u7279\u6027\uff0c\u5373\u5149\u654f\u6027(\u7ea62.7 eV\u7684\u5bbd\u5e26\u9699)\u4ee5\u53ca\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u5149\u5438\u6536\u8fb9\uff0c\u6709\u671b\u7528\u4e8e\u7d2b\u5916\u68c0\u6d4b\u3002\u4f5c\u4e3a\u4e00\u79cd\u53cc\u91d1\u5c5e\u786b\u5316\u7269\uff0c\u4e09\u5143Ga2<\/sub>In4<\/sub>S9<\/sub>\u4e0e\u76f8\u5e94\u4e8c\u5143\u6750\u6599\u76f8\u6bd4\u5177\u6709\u66f4\u52a0\u5947\u7279\u7684\u7535\u5b50\u548c\u5149\u7535\u6027\u8d28\u3002\u76ee\u524d\u4e3a\u6b62\uff0c\u7814\u7a76\u4eba\u5458\u4ec5\u62a5\u9053\u4e86\u901a\u8fc7\u5316\u5b66\u6c14\u76f8\u4f20\u8f93\u83b7\u5f97\u7684\u539a\u5ea6\u4e3a\u51e0\u5fae\u7c73\u7684\u5757\u4f53Ga2<\/sub>In4<\/sub>S9<\/sub>\u7684\u5de5\u4f5c\uff0c\u7136\u800c\u5757\u4f53\u7ed3\u6784\u963b\u788d\u4e86\u5176\u5728\u5fae\u7eb3\u7535\u5b50\u548c\u5149\u7535\u5668\u4ef6\u9886\u57df\u7684\u5b9e\u9645\u5e94\u7528\u3002\u76ee\u524d\u5c1a\u672a\u89c1\u5173\u4e8e\u5408\u6210\u5177\u6709\u53ef\u63a7\u5316\u5b66\u8ba1\u91cf\u76842D\u4e09\u5143Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u62a5\u9053\uff0c\u5e94\u5f52\u56e0\u4e8e\u96be\u4ee5\u9009\u62e9\u6700\u4f73\u7684\u53cc\u91d1\u5c5e\u524d\u9a71\u4f53\u3002\u6700\u8fd1\uff0c\u5177\u6709\u53ef\u8c03\u91d1\u5c5e\u5143\u7d20\u7684\u5171\u6676\u9553\u7194\u4f53\u53ef\u7528\u4e8e\u5236\u5907\u539f\u5b50\u7ea7\u8584\u91d1\u5c5e\u6c27\u5316\u7269\u6216\u7852\u5316\u7269\uff0c\u4e3a\u751f\u957f\u4e0a\u8ff0\u4e09\u5143\u534a\u5bfc\u4f53\u63d0\u4f9b\u4e86\u6709\u524d\u666f\u7684\u65b9\u6cd5\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u7fdf\u5929\u4f51\u6559\u6388(\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u9996\u6b21\u91c7\u7528\u9553\/\u94df\u6db2\u6001\u5408\u91d1\u4f5c\u4e3a\u524d\u9a71\u4f53\uff0c\u901a\u8fc7\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u5408\u6210\u53ea\u6709\u51e0\u4e2a\u539f\u5b50\u5c42\u539a(\u6700\u8584\u7684\u6837\u54c1\u7ea62.4 nm)\u7684\u9ad8\u8d28\u91cf2D\u4e09\u5143Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\uff0c\u5e76\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cLiquid-Alloy-Assisted Growth of 2D Ternary Ga2<\/sub>In4<\/sub>S9<\/sub> toward High-Performance UV Photodetection<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u4f5c\u8005\u5bf9\u4e0a\u8ff02D\u4e09\u5143Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u7d2b\u5916\u5149\u4f20\u611f\u5e94\u7528\u8fdb\u884c\u4e86\u7cfb\u7edf\u6027\u63a2\u7d22\u3002Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u57fa\u5149\u7535\u63a2\u6d4b\u5668\u5177\u6709\u51fa\u8272\u7684\u7d2b\u5916\u68c0\u6d4b\u80fd\u529b(R\u03bb<\/sub>= 111.9 A\u00b7W-1<\/sup>\uff0c\u5916\u91cf\u5b50\u6548\u7387= 3.85\u00d7104<\/sup> %\uff0c360 nm\u65f6\u63a2\u6d4b\u7387D* = 2.25\u00d71011<\/sup> Jones)\uff0c\u54cd\u5e94\u901f\u5ea6\u5feb(\u03c4ring<\/sub>\u224840 ms\uff0c \u03c4decay<\/sub>\u224850 ms)\u3002\u6b64\u5916\uff0cGa2<\/sub>In4<\/sub>S9<\/sub>\u57fa\u5149\u7535\u6676\u4f53\u7ba1\u5728\u7ea60 V\u7684\u4e34\u754c\u80cc\u6805\u6781\u504f\u538b\u3001360 nm\u65f6\u8868\u73b0\u51fa\u7ea6104<\/sup> A\u00b7W-1<\/sup>\u7684\u54cd\u5e94\u5ea6\u3002\u4f7f\u7528\u6db2\u6001\u5408\u91d1\u5408\u6210\u8d85\u85842D Ga2<\/sub>In4<\/sub>S9<\/sub>\u7eb3\u7c73\u7ed3\u6784\u4e3a\u8bbe\u8ba1\u65b0\u9896\u76842D\u5149\u7535\u5b50\u6750\u6599\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u5668\u4ef6\u6027\u80fd\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u53ef\u80fd\u6027\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) \u5229\u7528\u6db2\u6001Ga\/In\u5408\u91d1\u548c\u786b\u7c89\u524d\u9a71\u4f53\u751f\u957f2D Ga2<\/sub>In4<\/sub>S9<\/sub>\u7684\u793a\u610f\u56fe\uff1b \u56fe2 Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u7ed3\u6784\u4fe1\u606f<\/strong><\/p>\n a) \u5178\u578bGa2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684HAADF-STEM\u56fe\u50cf\uff1b \u56fe3 Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u5149\u5b66\u6027\u8d28<\/strong><\/p>\n a) \u5ba4\u6e29\u4e0bGa2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u968f\u539a\u5ea6\u53d8\u5316\u7684\u9634\u6781\u53d1\u5149(CL)\u5149\u8c31\uff1b \u56fe4 Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u5149\u7535\u7279\u6027<\/strong><\/p>\n a) Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u5149\u8c31\u54cd\u5e94\u66f2\u7ebf\uff0c\u5185\u63d2\u4e3a\u5668\u4ef6\u7684AFM\u56fe\u50cf\uff1b \u56fe5 Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u57fa\u5149\u7535\u6676\u4f53\u7ba1<\/strong><\/p>\n a) 10 L Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7ba1\u5728\u9ed1\u6697\u6761\u4ef6\u4e0b\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\uff1b \u56fe6 Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66<\/strong><\/p>\n a) \u4eceb\u56fe\u4e2dGa2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u4e0a\u7ea2\u5708\u6807\u8bb0\u4f4d\u7f6e\u6536\u96c6\u7684\u5178\u578bPL\u8870\u53d8\u66f2\u7ebf(\u84dd\u8272\u5706\u5708)\uff0c\u7ea2\u7ebf\u4e3a\u5355\u6307\u6570\u62df\u5408\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u901a\u8fc7\u6db2\u6001\u5408\u91d1\u8f85\u52a9CVD\u6280\u672f\u83b7\u5f97\u4e86\u9ad8\u7ed3\u6676\u5ea6\u8d85\u8584Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u3002\u901a\u8fc7\u8c03\u8282\u6db2\u6001Ga\/In\u5408\u91d1\u548c\u786b\u524d\u9a71\u4f53\u7684\u52a0\u70ed\u6e29\u5ea6\u53ef\u4ee5\u8c03\u63a7\u5f62\u8c8c\u548c\u539a\u5ea6\u3002\u4e09\u51432D Ga2<\/sub>In4<\/sub>S9<\/sub>\u4f18\u5f02\u7684\u5149\u7535\u5b50\u884c\u4e3a\u4e3b\u8981\u5f52\u56e0\u4e8e\u76f8\u5bf9\u8f83\u957f\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\u4ee5\u53ca\u8584\u7247\u7ed3\u6676\u5ea6\u9ad8\u6240\u81f4\u7684\u5c11\u6570\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u8f83\u957f\u3002\u5728CVD\u8fc7\u7a0b\u4e2d\u5f15\u5165\u4f4e\u7194\u70b9\u6db2\u6001\u5408\u91d1\u662f\u8d85\u8584Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u53ef\u63a7\u751f\u957f\u7684\u5173\u952e\uff0c\u5bf9\u4e8e\u5176\u4ed6\u65b0\u578b2D\u6750\u6599\u7684\u8bbe\u8ba1\u548c\u751f\u957f\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n
\n \u56fe1 \u5c42\u72b6Ga2<\/sub>In4<\/sub>S9<\/sub>\u7684\u5408\u6210\u4e0e\u8868\u5f81<\/strong><\/p>\n<\/p>\n
\n b) \u5728SiO2<\/sub>\/Si\u57fa\u5e95\u4e0a\u7684\u4e09\u89d2\u5f62Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7684\u5149\u5b66\u56fe\u50cf\uff1b
\n c) AFM\u56fe\u50cf\u548cSiO2<\/sub>\/Si\u57fa\u5e95\u4e0a\u5178\u578b\u4e09\u89d2\u5f62Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7684\u9ad8\u5ea6\u5206\u5e03\uff1b
\n d-f) SiO2<\/sub>\/Si\u57fa\u5e95\u4e0aGa2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7684XPS\u5149\u8c31\uff1b
\n g-i) TS<\/sub>\u4e3a300\u00b120\u2103\u3001360\u00b120\u2103\u548c450\u00b120\u2103\u4e0b\u5408\u6210\u7684Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u539a\u5ea6\u7edf\u8ba1\u5206\u5e03\uff0c\u5185\u63d2\u4e3aSiO2<\/sub>\/Si\u57fa\u5e95\u4e0aGa2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u5149\u5b66\u56fe\u50cf\u3002<\/p>\n<\/p>\n
\n b) a\u56fe\u4e2d\u8584\u7247\u76f8\u5e94\u7684\u539f\u5b50\u5206\u8fa8\u7387HAADF-STEM\u56fe\u50cf\uff1b
\n c) a\u56fe\u4e2d\u6807\u8bb0\u533a\u57df\u7684\u76f8\u5e94SAED\u56fe\u6848\uff1b
\n d-f) Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684EDX\u5143\u7d20\u6620\u5c04\u3002<\/p>\n<\/p>\n
\n b) 2L Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u968f\u6e29\u5ea6\u53d8\u5316\u7684CL\u5149\u8c31\uff0c\u5176\u8303\u56f4\u4e3a113 K\u81f3293 K\uff1b
\n c) \u6839\u636eb\u56fe\u4e2dCL\u6d4b\u8bd5\u6240\u5f97\u7684450 nm\u5904\u5e26\u9699\u80fd\u968f\u6e29\u5ea6\u7684\u53d8\u5316\uff1b
\n d) \u6839\u636eb\u56fe\u4e2dCL\u6d4b\u8bd5\u6240\u5f97\u7684Arrhenius\u62df\u5408\u7684650nm\u9644\u8fd1\u79ef\u5206\u5f3a\u5ea6\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n
\n b) \u6697\u5904\u548c330\u81f3800nm\u4e0d\u540c\u6ce2\u957f\u5149\u7167\u4e0b\u5668\u4ef6\u7684I-V\u66f2\u7ebf\uff1b
\n c) Vds<\/sub> = 5 V\u65f6Ga2<\/sub>In4<\/sub>S9<\/sub>\u5149\u7535\u63a2\u6d4b\u5668\u7684\u54cd\u5e94\u5ea6\u548c\u63a2\u6d4b\u7387\u968f\u8f90\u5c04\u6ce2\u957f\u7684\u53d8\u5316\uff1b
\n d) 360 nm\u65f6\u4e0d\u540c\u7167\u5c04\u5f3a\u5ea6\u4e0b\u5149\u7535\u63a2\u6d4b\u5668\u7684I-V\u66f2\u7ebf\uff1b
\n e) \u5149\u7535\u6d41\u968f\u5165\u5c04\u5149\u5f3a\u5ea6\u53d8\u5316\u7684\u5e42\u51fd\u6570\u62df\u5408\u66f2\u7ebf\uff1b
\n f) \u6839\u636ee\u56fe\u4e2d\u5728Vds<\/sub> = 5 V\u65f6\u6d4b\u91cf\u7684\u5149\u7535\u6d41\u8ba1\u7b97\u6240\u5f97\u54cd\u5e94\u5ea6\u548c\u68c0\u6d4b\u7387\uff1b
\n g) Vds<\/sub> = 5 V\u65f6\uff0c\u5728\u529f\u7387\u5f3a\u5ea6\u4e3a1.481 mW\u00b7cm-2<\/sup>\u7684360 nm\u5149\u7167\u4e0b\uff0c\u5668\u4ef6\u5149\u54cd\u5e94\u968f\u65f6\u95f4\u7684\u53d8\u5316\uff1b
\n h,i) \u4f7f\u7528\u793a\u6ce2\u5668\u6d4b\u91cf\u7684\u4e0a\u5347\u548c\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n<\/p>\n
\n b) \u9ed1\u6697\u6761\u4ef6\u4e0b\u4e0d\u540c\u539a\u5ea6Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7ba1\u7684\u4f20\u8f93\u7279\u6027\u66f2\u7ebf\uff1b
\n c) Vds<\/sub> = 5 V\u65f6\uff0c\u6697\u5904\u548c360 nm\u5149\u4e0b\u7684Ids<\/sub>-Vgs<\/sub>\u66f2\u7ebf\uff1b
\n d) Vds<\/sub> = 5 V\u65f6\uff0c\u5149\u54cd\u5e94\u6bd4(Iph<\/sub>\/Idark<\/sub>)\u548c\u54cd\u5e94\u5ea6\u968fVgs<\/sub>\u7684\u53d8\u5316\uff1b
\n e) \u8003\u8651\u5230\u7535\u6781\/\u6c9f\u9053\u63a5\u89e6\u5904\u8f83\u5c0f\u7684\u8096\u7279\u57fa\u52bf\u5792\u65f6Ga2<\/sub>In4<\/sub>S9<\/sub>\u6676\u4f53\u7ba1\u7684\u80fd\u5e26\u56fe\u3002<\/p>\n<\/p>\n
\n b) Ga2<\/sub>In4<\/sub>S9<\/sub>\u8584\u7247\u7684\u8367\u5149\u5bff\u547d\u6620\u5c04\u56fe\u50cf\uff1b
\n c) \u626b\u63cf\u5149\u7535\u663e\u5fae\u955c(SPCM)\u7684\u539f\u7406\u56fe\uff1b
\n d) \u5178\u578b\u7684\u5149\u7535\u6d41\u8870\u51cf\u957f\u5ea6(\u84dd\u8272\u5706\u5708)\uff0c\u7ea2\u7ebf\u4e3a\u5355\u6307\u6570\u62df\u5408\u3002<\/p>\n