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V\u65f6\u9499\u949b\u77ffLEC\u7684I-V\u7279\u6027\uff0c\u56fe\u4e2d\u53ef\u89c1\u660e\u663e\u7684\u8fdf\u6ede\u6548\u5e94\u3002\u63d2\u56fe:\u5728LEC\u4e0a\u65bd\u52a0\u8d1f\u6781\u7535\u538b\u65f6\u5bf9\u5e94\u7684\u80fd\u7ea7\u56fe\uff08Ag\uff1a\u9634\u6781\uff1bITO\uff1a\u9633\u6781\uff09\u3002<\/p>\n c\u4e0eb\uff09\u4e00\u6837\uff0c\u4f46\u662f\u7528\u534a\u5bf9\u6570\u6807\u5ea6\u3002\u63d2\u56fe:\u4fee\u6539\u540e\u7684\u8096\u514b\u5229\u65b9\u7a0b(\u4e0a)\u548c\u4ece\u6b63\u5411\u548c\u53cd\u5411I-V\u7279\u6027\u4e2d\u63d0\u53d6\u7684\u5bfc\u901a\u7535\u538b\u3001\u4e32\u8054\u548c\u5206\u6d41\u7535\u963b\u6c47\u603b\u8868(\u4e0b)\u3002<\/p>\n d\uff09\u9499\u949b\u77ffLEC\u7684EL\u5f3a\u5ea6\u968f\u626b\u63cf\u7535\u538b\u7684\u53d8\u5316\u8303\u56f4\u4e3a0 V\u21928 V\u21920 V\u3002\u63d2\u56fe\u663e\u793a\u4e86LEC\u5728\u6b63\u5411(\u5de6)\u548c\u53cd\u5411(\u53f3)\u7535\u538b\u4e3a4\u30016 \u548c 8 V\u4e0b\u7684\u56fe\u50cf\u3002<\/p>\n e,f\uff09EL\u8c31\u968f\u6b63\u5411\u548c\u53cd\u5411\u7535\u538b\u589e\u52a0\u7684\u6f14\u53d8\u3002\u63d2\u56fe\u4e3a\u4eceEL\u5149\u8c31\u4e2d\u63d0\u53d6\u7684\u5cf0\u503c\u6ce2\u957f(\u03bbP<\/sub>)\u548c\u5149\u8c31\u5e26\u5bbd(FWHM)\u4f5c\u4e3a\u7535\u538b\u7684\u51fd\u6570\u3002<\/p>\n \u56fe3 CsPbBr<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0QD\u57faLEC\u7684\u77ac\u6001\u54cd\u5e94<\/b><\/strong> a\uff09\u7535\u8def\u56fe\u8bf4\u660e\u4e86\u540c\u65f6\u76d1\u6d4b\u65bd\u52a0\u5728LEC\u4e0a\u7684\u8109\u51b2\u7535\u538b(Vin<\/sub>)\u3001\u6d41\u8fc7LEC\u7684\u7535\u6d41(ILEC)\u548cLEC\u53d1\u51fa\u7684\u5149\u8f93\u51fa\u529f\u7387(PLEC)\u7684\u77ac\u6001\u6d4b\u91cf\u3002<\/p>\n b, c\uff09\u572810 kHz\u548c80 kHz Vin<\/sub>\u8c03\u5236\u4e0bLEC\u7684ILEC\u548cPLEC\u7684\u65f6\u95f4\u8f68\u8ff9\u3002<\/p>\n d\uff09\u5bf9\u65bd\u52a0\u5728LEC\u4e0a\u7684\u65b9\u6ce2\u8109\u51b2\u7535\u538bVin(\u5e45\u503c:6 V\uff0c\u8109\u5bbd:50 \u03bcs\uff0c\u5360\u7a7a\u6bd4:50%)\u7684\u65f6\u57dfPLEC\u54cd\u5e94\u3002\u56fe\u4e2d\u8fd8\u6807\u51fa\u4e86PLEC\u7684\u4e0a\u5347(\u03c4Rise<\/sub>)\u548c\u4e0b\u964d(\u03c4Fall<\/sub>)\u6b21\u6570\u3002<\/p>\n e\uff09PLEC\u968f\u7740\u65f6\u95f4\u589e\u52a0\u4e0a\u5347\uff0c\u5176\u4e2d\u03c4Delay<\/sub>\uff0c\u5373Vin<\/sub>\u5f00\u542f\u5230PLEC\u5f00\u59cb\u7684\u65f6\u95f4\u5ef6\u8fdf\uff0c\u4f30\u8ba1\u4e3a~0.3 \u03bcs\u3002<\/p>\n f\uff09PLEC\u968f\u7740\u65f6\u95f4\u589e\u52a0\u4e0b\u964d\uff0c\u4f46\u7ed8\u5236\u4e3a\u534a\u5bf9\u6570\u5c3a\u5ea6\uff0c\u4ee5\u63d0\u53d6\u51fa\u89e3\u9677\u8f7d\u6d41\u5b50\u7684\u8870\u51cf\u65f6\u95f4(\u03c4Decay<\/sub>)\u3002<\/p>\n \u56fe4 CsPbBr<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0QD\u57faRRAM\u7684\u7535\u963b\u8f6c\u53d8<\/b><\/strong> a\uff09\u663e\u793a\u4e86CsPbBr3<\/sub>\u00a0QD\u57faRRAM\u5728\u521d\u59cb\u9636\u6bb5(\u5de6\u56fe)\u3001Ag+<\/sup>\u9633\u79bb\u5b50\u548cVBr<\/sub>+<\/sup>\u7a7a\u4f4d\u8fc1\u79fb\u8fc7\u7a0b(\u4e2d\u95f4\u56fe)\u4ee5\u53ca\u6700\u7ec8\u5f62\u6210VBr\u5bfc\u7535\u901a\u9053\u548cAg\u706f\u4e1d\u7684\u7535\u963b\u8f6c\u6362(\u53f3\u56fe)\u3002<\/p>\n b\uff09CsPbBr3<\/sub>\u00a0QD\u57faRRAM\u7684\u5178\u578bI-V\u7279\u6027\u3002<\/p>\n c\u4e0eb\uff09\u4e00\u6837\uff0c\u4f46\u662f\u7528\u534a\u5bf9\u6570\u6807\u5ea6\uff0c\u62df\u5408\u7ebf\u5bf9\u5e94\u4e8e\u4e0d\u540c\u7684\u4f20\u5bfc\u673a\u5236\u3002<\/p>\n d\uff09\u68c0\u6d4bRRAM\u7535\u963b\u5f00\u5173\u901f\u5ea6\u7684\u6d4b\u91cf\u7cfb\u7edf\u7535\u8def\u56fe\u3002<\/p>\n e\uff09RRAM\u5728\u8bbe\u7f6e(1.5 V, 3.8 \u03bcs)\u548c\u590d\u4f4d(\u22122.0 V, 3.8 \u03bcs)\u8fc7\u7a0b\u4e2d\u7684\u77ac\u6001\u54cd\u5e94\u3002\u63d2\u56fe:\u5728\u8bbe\u7f6e(\u5de6\u4e0b)\u548c\u590d\u4f4d(\u53f3\u4e0a)\u8109\u51b2\u504f\u7f6e\u540e\uff0c\u8f93\u5165RRAM\u7684\u8109\u51b2(0.1 V, 3.8 \u03bcs)\u7684\u653e\u5927\u65f6\u95f4\u8ff9\u7ebf\u3002<\/p>\n f\uff09\u5bf9\u4e8e\u8bbe\u7f6e(\u4e0a)\u548c\u590d\u4f4d(\u4e0b)\u8fc7\u7a0b\uff0cIRRAM\u4e0e\u65bd\u52a0\u7684\u504f\u7f6eVin\u7684\u8109\u51b2\u5bbd\u5ea6\u3002<\/p>\n \u56fe5 Ag\/CsPbBr<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0QDs\/ITO\u5668\u4ef6\u529f\u80fd\u7684\u4e3b\u52a8\u5207\u6362<\/b><\/strong> a\uff09\u793a\u610f\u56fe\u8bf4\u660e\u4e86CsPbBr3<\/sub>\u00a0QDs\u57fa\u5668\u4ef6\u7684\u53cc\u91cd\u529f\u80fd\uff0c\u65e2\u53ef\u4ee5\u662fRRAM\uff0c\u901a\u8fc7\u6539\u53d8\u504f\u7f6e\u6781\u6027\u4e5f\u53ef\u4ee5\u662fLEC\u3002<\/p>\n b\uff09CsPbBr3<\/sub>\u00a0QD\u57faRRAM\u5728\u76f4\u6d41\u504f\u7f6e\u626b\u63cf(0 V\u2192+2 V\u2192\u22124 V\u21920 V)\u4e0b\u7684I-V\u7279\u6027\u3002<\/p>\n c\uff09\u901a\u8fc7\u4f7f\u7528+2\/\u22126 V\u548c0.25 ms\u8109\u51b2\u5bbd\u5ea6\u7684\u4ea4\u66ff\u6b63\u5411\u548c\u53cd\u5411\u504f\u538b\uff0c\u6f14\u793a\u4e86\u5728\u4e00\u4e2a\u5668\u4ef6\u4e2dLEC\u548cRRAM\u6a21\u5f0f\u4e4b\u95f4\u7684\u529f\u80fd\u5207\u6362\u3002<\/p>\n d\uff09IRRAM(\u4e0a\u9762\u677f)\u548cPLEC(\u4e0b\u9762\u677f) \u65bd\u52a0\u7684\u504f\u7f6eVin. <\/sub>3 dB\u5e26\u5bbd\u7684\u5de5\u4f5c\u9891\u7387\u7684\u5173\u7cfb\u3002<\/p>\n \u56fe6 CsPbBr<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0QD\u57faLEM\u7684\u5149\u7535\u7279\u6027\u548c\u76f8\u5e94\u7684\u79bb\u5b50\u8fc1\u79fb\u8fc7\u7a0b<\/b><\/strong> a\uff09\u5f53\u626b\u63cf\u5468\u671f\u5305\u62ec\u6b63(0V\u2192+ 8 V\u21920 V)\u548c\u8d1f(0 V\u2192\u22128 V\u21920 V)\u7535\u538b\u626b\u63cf\u65f6\uff0cLEM\u7684EL\u5f3a\u5ea6(\u4e0a)\u548cI-V\u7279\u6027(\u4e0b)\u7684\u53d8\u5316<\/p>\n b\uff09(I) – (IV)\u533a\u57df\u4e2d\u79bb\u5b50\u8fc1\u79fb\u793a\u610f\u56fe\u3002<\/p>\n \u56fe7 CsPbBr<\/b><\/strong>3<\/b><\/sub><\/strong>\u00a0QD\u57faLEM\u7684\u5e73\u884c\u5149\u3001\u7535\u8bfb\u6570\u548c\u53cc\u8272\u53d1\u5c04<\/b><\/strong> a,b\uff09\u57285 kHz\u6b63\u5411(+6 V)\u548c\u53cd\u5411(\u22126 V)\u8109\u51b2\u504f\u7f6eVin<\/sub>(\u5bbd\u5ea6100 \u03bcs\uff0c\u5360\u7a7a\u6bd450%)\u4e0b\uff0c\u5168\u9499\u949b\u77ffLEM\u7684VRRAM\u548cPLEC\u7684\u65f6\u95f4\u8f68\u8ff9\u3002<\/p>\n c\uff09\u91c7\u7528\u4e24\u79cd\u4e0d\u540c\u5c3a\u5bf8\u7684CsPbBr3<\/sub>\u00a0QD\u7684\u53cc\u8272\u53d1\u5149\u5168\u9499\u949b\u77ffLEM\u7684EL\u5149\u8c31\u3002<\/p>\n d\uff09\u57281 kHz\u4e3b\u52a8\u5207\u6362Vin<\/sub>\u6781\u6027\u65f6\uff0c\u53cc\u8272\u53d1\u5c04LEM\u7684\u7535\u6d41(I)\u548c\u53d1\u5c04\u5149\u529f\u7387(PLEC)\u7684\u65f6\u95f4\u8f68\u8ff9\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u5229\u7528CsPbBr3<\/sub>\u91cf\u5b50\u70b9\u5728Ag\/PMMA\/CsPbBr3<\/sub>\u00a0QDs\/ITO\u7ed3\u6784\u4e2d\u7684\u4f18\u5f02\u7535\u5b66\u548c\u5149\u5b66\u6027\u8d28\uff0c\u9996\u6b21\u5b9e\u73b0\u4e86\u4e00\u79cd\u5feb\u901f\u7684\u5168\u9499\u949b\u77ff\u57faLEM\u3002\u9499\u949b\u77ffQD\u5c42\u4e2d\u7531\u7535\u9a71\u52a8\u7684\u79bb\u5b50\u8fd0\u52a8\u4f7f\u8fd9\u79cd\u7ed3\u6784\u65e2\u53ef\u4ee5\u4f5c\u4e3a\u5feb\u901f\u3001\u53ef\u9760\u7684\u7535\u8bb0\u5fc6\u4f53\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u5feb\u901f\u3001\u9ad8\u6548\u7684\u5149\u6e90\uff0c\u66f4\u91cd\u8981\u7684\u662f\uff0c\u901a\u8fc7\u7b80\u5355\u5730\u8c03\u5236\u5176\u504f\u7f6e\u6781\u6027\uff0c\u5c31\u53ef\u4ee5\u5728\u540c\u4e00\u7ed3\u6784\u7684\u53cc\u91cd\u529f\u80fd\u4e4b\u95f4\u5feb\u901f\u5207\u6362\u3002\u9499\u949b\u77ffQD\u5c42\u4e2d\u7684\u9ad8\u6548\u5149\u5b66\u8dc3\u8fc1\u4f34\u968f\u7740\u53ef\u8c03\u53d1\u5c04\u989c\u8272\uff0c\u4e0d\u4ec5\u5141\u8bb8\u901a\u8fc7\u5355\u7247\u96c6\u6210\u5728\u540c\u4e00\u6750\u6599\u7cfb\u7edf\u4e2d\u5b9e\u73b0LEM\uff0c\u800c\u4e14\u8fd8\u589e\u5f3a\u4e86LEM\u7684\u529f\u80fd\u4ee5\u6269\u5927\u5176\u5e94\u7528\u8303\u56f4\u3002\u8fd9\u9879\u5de5\u4f5c\u5c06\u4f1a\u4ea7\u751f\u66f4\u5f3a\u5927\u7684\u9499\u949b\u77ff\u57fa\u5668\u4ef6\uff0c\u5176\u5177\u6709\u9ad8\u96c6\u6210\u5bc6\u5ea6\u3001\u5feb\u901f\u8c03\u5236\u901f\u5ea6\u548c\u591a\u79cd\u5668\u4ef6\u529f\u80fd\u3002<\/p>\n<\/p>\n
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