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\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n 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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6765\u81ea\u97e9\u56fd\u6210\u5747\u9986\u5927\u5b66\u7684Woo Jong Yu\u3001Young Hee Lee<\/strong>\u548c\u52a0\u5dde\u5927\u5b66\u6d1b\u6749\u77f6\u5206\u6821\u7684\u6bb5\u9576\u950b<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005<\/strong>\uff09\u5728Nature Communications<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3aUnusually efficient photocurrent extraction in monolayer van der Waals heterostructure by tunnelling through discretized barriers\u7684\u6587\u7ae0\uff0c\u5bf9\u77f3\u58a8\u70ef-MoS2<\/sub>-\u77f3\u58a8\u70ef\u7ec4\u6210\u7684\u5149\u7535\u6d41\u53d1\u751f\u5668\u8fdb\u884c\u4e86\u7814\u7a76\u3002<\/p>\n 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\u672c\u6587\u4e2d\u9009\u53d6\u77f3\u58a8\u70ef\u548cMoS2<\/sub>\u7ec4\u6210\u77f3\u58a8\u70ef-MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\uff0c\u5f97\u5230\u4e86\u5c42\u6570\u4f9d\u8d56\u7684\u5149\u7535\u6d41\u53d1\u751f\u5668\uff0c\u4e3a\u4e86\u6392\u9664\u5916\u754c\u56e0\u7d20\u5f71\u54cd\uff0c\u5728\u5668\u4ef6\u7684\u4e0d\u540c\u533a\u57df\u5f97\u5230\u4e86\u5206\u522b\u4e3a\u5355\u5c42\u548c7\u5c42\u7684\u4e0d\u540c\u90e8\u5206\u3002\u5149\u54cd\u5e94\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u5355\u5c42MOS2<\/sub>\u7684\u5149\u54cd\u5e94\u8fdc\u9ad8\u4e8e7\u5c42MoS2<\/sub>\uff0c\u662f\u5176\u76847\u500d\u4e4b\u591a\u3002\u6b64\u5916\uff0c\u5149\u8c31\u7814\u7a76\u8868\u660e\uff0c\u5355\u5c42MoS2<\/sub>\u7684\u5185\u91cf\u5b50\u6548\u7387\u6700\u9ad8\u8fbe\u523065%\uff0c\u800c7\u5c42MOS2<\/sub>\u7684\u5185\u91cf\u5b50\u6548\u7387\u4ec5\u4ec5\u8fbe\u52307%\u3002\u5bf9\u4e8e\u5b9e\u9a8c\u7ed3\u679c\u8fdb\u884c\u5206\u6790\uff0c\u5e76\u5efa\u7acb\u7406\u8bba\u6a21\u578b\u540e\u53ef\u77e5\uff0c\u5728\u77f3\u58a8\u70ef-\u5355\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u7684\u9876\u90e8\u754c\u9762\u548c\u5e95\u90e8\u754c\u9762\u5206\u522b\u5f62\u6210\u4e86\u4e0d\u5bf9\u79f0\u7684\u52bf\u5792\uff0c\u8fd9\u6837\u7684\u7ed3\u6784\u5bfc\u81f4\u4e86\u5355\u5c42MoS2<\/sub>\u5668\u4ef6\u5177\u6709\u6781\u9ad8\u7684\u5149\u54cd\u5e94\u7279\u6027\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1 \u77f3\u58a8\u70ef-MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u4e2d\u5149\u7535\u6d41\u7684\u4ea7\u751f<\/strong><\/p>\n \uff08a\uff09<\/strong>\u4e3a\u5668\u4ef6\u7684\u4fa7\u9762\u56fe\uff0c\u5355\u5c42MoS2<\/sub>\u5728\u4e24\u5c42\u77f3\u58a8\u70ef\u4e4b\u95f4\uff0c\u5728\u6fc0\u5149\u7167\u5c04\u4e0b\u4ea7\u751f\u7535\u5b50\uff08\u84dd\u8272\uff09\u548c\u7a7a\u7a74\uff08\u7ea2\u8272\uff09<\/p>\n \uff08b\uff09<\/strong>\u4e3a\u5668\u4ef6\u7684\u5149\u5b66\u7167\u7247<\/p>\n \uff08c\uff09<\/strong>\u4e3a\u5668\u4ef6\u5728514nm\u5149\u6e90\u6fc0\u53d1\u4e0b\u7684\u626b\u63cf\u5149\u7535\u6d41\u7167\u7247<\/p>\n \uff08d\uff09<\/strong>\u4e3a\u5668\u4ef6\u5206\u522b\u5728514nm\u5149\u6e90\u7167\u5c04\u4e0b\u548c\u9ed1\u6697\u4e2d\u7684I-V\u7279\u6027\u66f2\u7ebf<\/p>\n \uff08e\uff09<\/strong>\u4e3a\u5355\u5c42MoS2<\/sub>\u5668\u4ef6\u5728\u4e0d\u540c\u5149\u6e90\u7167\u5c04\u4e0b\u5149\u54cd\u5e94\u66f2\u7ebf<\/p>\n 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\uff08a\uff09<\/strong>\u5904\u4e8eSiO2<\/sub>\u886c\u5e95\u4e0a\u5e76\u5904\u4e8e\u7a7a\u6c14\u73af\u5883\u4e2d\u7684\u77f3\u58a8\u70ef-\u5355\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u793a\u610f\u56fe<\/p>\n \uff08b\uff09<\/strong>\u77f3\u58a8\u70ef-\u5355\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u7684\u9759\u7535\u52bf<\/p>\n \uff08c\uff09<\/strong>\u4e09\u79cd\u4e0d\u540c\u52bf\u5792\u6001\u4e0b\u5355\u5c42MoS2<\/sub>\u5f02\u8d28\u7ed3\u8fd1\u5bfc\u5e26\u8fb9\u7684\u9759\u7535\u52bf<\/p>\n \uff08d\uff09<\/strong>\u4e09\u79cd\u4e0d\u540c\u52bf\u5792\u6001\u4e0b\u5149\u751f\u8f7d\u6d41\u5b50\u96a7\u7a7f\u53ef\u80fd\u6027\u793a\u610f\u56fe<\/p>\n \uff08e\uff09<\/strong>\u5149\u751f\u8f7d\u6d41\u5b50\u8ba1\u7b97\u53d1\u5c04\u7387<\/p>\n \u56fe5 \u5c42\u6570\u4f9d\u8d56\u7684MoS2<\/sub>\u8303\u5fb7\u74e6\u5c14\u65af\u9759\u7535\u52bf<\/strong><\/p>\n \uff08a\uff09<\/strong>\u5c42\u6570\u4f9d\u8d56\u7684MoS2<\/sub>\u3001\u9876\u90e8\u77f3\u58a8\u70ef\u548c\u5e95\u90e8\u77f3\u58a8\u70ef\u7684\u4ecb\u7535\u5e38\u6570<\/p>\n \uff08b-h\uff09<\/strong>\u5c42\u6570\u4f9d\u8d56\u7684MoS2<\/sub>\u8303\u5fb7\u74e6\u5c14\u65af\u9759\u7535\u52bf<\/p>\n \uff08i\uff09<\/strong>\u77f3\u58a8\u70ef-7\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5f02\u8d28\u7ed3\u5728SiO2<\/sub>\u886c\u5e95\u548c\u7a7a\u6c14\u73af\u5883\u4e0b\u7684\u793a\u610f\u56fe<\/p>\n \u56fe6 \u4e0d\u540c\u5c42\u6570MoS2<\/sub>\u7684\u8303\u5fb7\u74e6\u5c14\u65af\u5149\u751f\u8f7d\u6d41\u5b50\u53d1\u5c04\u7387<\/strong><\/p>\n \uff08a\uff09<\/strong>\u5355\u5c42\u548c7\u5c42MoS2<\/sub>\u7684\u5fae\u5206\u4f20\u8f93\u5f52\u4e00\u5316\u52a8\u529b\u5b66\u66f2\u7ebf<\/p>\n \uff08b\uff09<\/strong>\u6cbf\u8f7d\u6d41\u5b50\u6f02\u79fb\u65b9\u5411\u5355\u5c42\u548c7\u5c42MoS2<\/sub>\u7684\u5f52\u4e00\u5316\u53d7\u6fc0\u8f7d\u6d41\u5b50\u5bc6\u5ea6<\/p>\n \uff08c\uff09<\/strong>\u5149\u751f\u8f7d\u6d41\u5b50\u53d1\u5c04\u7387\u5bf9\u4e8eMoS2<\/sub>\u5c42\u6570\u548c\u5149\u5b50\u6fc0\u53d1\u80fd\u91cf\u53d8\u5316\u76842\u7ef4\u5f69\u56fe<\/p>\n \uff08d\uff09<\/strong>\u4e0d\u540c\u5149\u5b50\u80fd\u91cf\u4e0b\u7684\u5916\u91cf\u5b50\u6548\u7387\u548c\u8ba1\u7b97\u5149\u751f\u8f7d\u6d41\u5b50\u53d1\u5c04\u7387<\/p>\n \u56fe7 \u5355\u5c42\u548c\u591a\u5c42MoS2<\/sub>\u7684I-V\u7279\u6027\u66f2\u7ebf<\/strong><\/p>\n \uff08a\uff09<\/strong>\u548c\uff08b\uff09<\/strong>\u5206\u522b\u4e3a\u77f3\u58a8\u70ef-\u5355\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u548c\u77f3\u58a8\u70ef-\u591a\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5728514nm\u5149\u6e90\u7167\u5c04\u4e0b\u7684I-V\u7279\u6027\u66f2\u7ebf<\/p>\n \uff08c\uff09<\/strong>\u548c\uff08d\uff09<\/strong>\u5206\u522b\u4e3a\u77f3\u58a8\u70ef-\u5355\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u548c\u77f3\u58a8\u70ef-\u591a\u5c42MoS2<\/sub>-\u77f3\u58a8\u70ef\u5728\u6b63\u5411\u7535\u538b\u548c\u8d1f\u5411\u7535\u538b\u4e0b\u7684\u80fd\u5e26\u793a\u610f\u56fe<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Unusually efficient photocurrent extraction in monolayer van der Waals heterostructure by tunnelling through discretized barriers <\/a>\u00a0(Nature Communications, 2016, DOI: 10.1038\/ncomms13278)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u57ce\u5c0f\u7231\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\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\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n \u6750\u6599\u4eba\u7f51\u5c0a\u91cd\u6240\u6709\u8fdb\u884c\u77e5\u8bc6\u4f20\u64ad\u7684\u5a92\u4f53\uff0c\u8f6c\u8f7d\u8bf7\u8054\u7cfbtougao@cailiaoren.com\u3002<\/p>\n<\/p>\n
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