{"id":235621,"date":"2022-04-09T06:18:40","date_gmt":"2022-04-08T22:18:40","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=235621"},"modified":"2022-04-08T23:27:23","modified_gmt":"2022-04-08T15:27:23","slug":"nature-nanotechnology%ef%bc%9a%e9%87%87%e7%94%a8-mos2-%e6%99%b6%e4%bd%93%e7%ae%a1%e7%9a%84%e5%85%a8%e5%bd%a9micro-led-%e6%98%be%e7%a4%ba%e5%b1%8f%e7%9a%84%e6%99%b6%e5%9c%86%e7%ba%a7%e5%8d%95%e7%89%87","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=235621","title":{"rendered":"Nature Nanotechnology\uff1a\u91c7\u7528 MoS2 \u6676\u4f53\u7ba1\u7684\u5168\u5f69micro-LED \u663e\u793a\u5c4f\u7684\u6676\u5706\u7ea7\u5355\u7247\u96c6\u6210"},"content":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1aSumin Hwangbo, Luhing Hu<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1aJong-Hyun Ahn<\/p>\n<p>\u901a\u8baf\u5355\u4f4d\uff1a\u5ef6\u4e16\u5927\u5b66<\/p>\n<p>DOI\uff1ahttps:\/\/doi.org\/10.1038\/s41565-022-01102-7<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u3001\u5bfc\u8bfb<\/p>\n<p>Micro-LED\u663e\u793a\u5c4f\u4f5c\u4e3a\u4e0b\u4e00\u4ee3\u663e\u793a\u5c4f\u5177\u6709\u4f4e\u529f\u8017\u3001\u54cd\u5e94\u901f\u5ea6\u5feb\u3001\u53d1\u5149\u6548\u7387\u9ad8\u7b49\u8bf8\u591a\u4f18\u70b9\u3002\u4f20\u7edf\u4e0a\u5236\u9020\u6709\u6e90\u77e9\u9635\u5fae\u578bLED\u663e\u793a\u5668\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u65b9\u6cd5\u662f\u5c06micro-LED\u82af\u7247\u8f6c\u79fb\u5230\u5e26\u6709\u80cc\u677f\u7684\u7535\u8def\u677f\u4e0a\uff0c\u8be5\u65b9\u6cd5\u6d89\u53caLED\u6676\u5706\u7684\u5916\u5ef6\u751f\u957f\uff0c\u5728\u4e0d\u540c\u6676\u5706\u4e0a\u5f62\u6210\u7684\u5faeLED\u82af\u7247\u7684\u56fe\u6848\u5316\u3001\u8680\u523b\u3001\u5265\u79bb\u548c\u7269\u7406\u952e\u5408\uff0c\u8fd9\u4e9b\u6676\u5706\u5145\u5f53\u7ea2\u8272\uff0c\u7eff\u8272\u548c\u84dd\u8272\u5149\u7684\u6765\u6e90\u3002\u5b83\u9002\u7528\u4e8e\u4f4e\u5206\u8fa8\u7387\u7684\u5927\u9762\u79ef\u663e\u793a\u5668\uff0c\u4f46\u5728\u7528\u4e8e\u5236\u9020\u9ad8\u5206\u8fa8\u7387\u548c\u9ad8\u901f\u64cd\u4f5c\u7684\u5fae\u578b LED \u663e\u793a\u5668\u65f6\u5b58\u5728\u5c40\u9650\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235622\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4623.png\" alt=\"\" width=\"680\" height=\"496\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4623.png 680w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4623-300x219.png 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/p>\n<p>\u4e8c\u3001\u6210\u679c\u63a0\u5f71<\/p>\n<p>\u6765\u81ea\u5ef6\u4e16\u5927\u5b66\u7684\u5b66\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u65cf\u5316\u5408\u7269\u534a\u5bfc\u4f53\u5236\u9020\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u4e0e\u6279\u91cf\u5fae\u52a0\u5de5\u5de5\u827a\u517c\u5bb9\u3002\u672c\u6587\u5c55\u793a\u4e86\u5982\u4f55\u5728\u6c2e\u5316\u9553\u57fa\u5916\u5ef6\u6676\u7247\u4e0a\u76f4\u63a5\u5408\u6210\u4e8c\u786b\u5316\u94bc\uff08MoS<sub>2<\/sub>\uff09\u8584\u819c\u4ee5\u5f62\u6210\u8584\u819c\u6676\u4f53\u7ba1\u9635\u5217\u3002\u968f\u540e\uff0cMoS<sub>2<\/sub>\u8584\u819c\u6676\u4f53\u7ba1\u4e0e\u5fae\u578b\u4e8c\u6781\u7ba1\uff08micro-LED\uff09\u5668\u4ef6\u8fdb\u884c\u5355\u7247\u96c6\u6210\uff0c\u4ee5\u751f\u4ea7\u6709\u6e90\u77e9\u9635\u5faeLED\u663e\u793a\u5c4f\u3002\u6b64\u5916\uff0c\u672c\u6587\u8fd8\u5c55\u793a\u4e86\u4e00\u79cd\u901a\u8fc7\u5728\u84dd\u8272\u5fae\u578bLED\u4e0a\u6253\u5370\u91cf\u5b50\u70b9\u6765\u83b7\u5f97\u7ea2\u8272\u548c\u7eff\u8272\u7684\u7b80\u5355\u65b9\u6cd5\uff0c\u5229\u7528\u8fd9\u9879\u6280\u672f\u53ef\u5236\u9020\u5168\u5f69\u8272\u5fae\u578bLED\u663e\u793a\u5668\u3002\u8be5\u65b9\u6848\u4ee3\u8868\u4e86\u5b9e\u73b0\u5f02\u6784\u96c6\u6210\u7684\u6709\u5e0c\u671b\u7684\u9014\u5f84\uff0c\u8fd9\u5bf9\u4e8e\u80fd\u591f\u7ed3\u5408\u5df2\u5efa\u7acb\u7684\u534a\u5bfc\u4f53\u6280\u672f\u548c\u65b0\u5174\u4e8c\u7ef4\u6750\u6599\u7684\u9ad8\u6027\u80fd\u5149\u7535\u5b50\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002\u76f8\u5173\u5de5\u4f5c\u4ee5\u9898\u4e3a\u201cWafer-scale monolithic integration of full-colour micro-LED display using MoS2 transistor\u201d\u7684\u7814\u7a76\u6027\u6587\u7ae0\u5728\u201cNature Nanotechnology\u201d\u4e0a\u53d1\u8868\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e09\u3001\u6838\u5fc3\u521b\u65b0\u70b9<\/p>\n<p>1.\u63d0\u51fa\u4e86\u5229\u7528\u4e00\u79cd\u65b0\u578b\u7684\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u65cf\u5316\u5408\u7269\u534a\u5bfc\u4f53\u5236\u9020\u65b9\u6cd5\u7528\u4e8e\u5236\u5907\u6709\u6e90\u77e9\u9635\u5faeLED\u663e\u793a\u5c4f\u3002<\/p>\n<ol start=\"2\">\n<li>\u672c\u6587\u7684MoS<sub>2<\/sub>\u5728\u76f8\u5bf9\u8f83\u4f4e\u7684\u6e29\u5ea6\u4e0b\u76f4\u63a5\u5728GaN\u5916\u5ef6\u6676\u5706\u4e0a\u5408\u6210\uff0c\u4e0d\u4f1a\u5bf9LED\u6709\u6e90\u5c42\u9020\u6210\u4efb\u4f55\u635f\u5bb3\uff0c\u5e76\u4e14\u65e0\u9700\u989d\u5916\u7684\u590d\u6742\u5de5\u827a\u5373\u53ef\u5236\u9020\u7528\u4e8e\u9ad8\u5206\u8fa8\u7387micro-LED\u663e\u793a\u5668\u7684\u80cc\u677fTFT\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u56db\u3001\u6570\u636e\u6982\u89c8<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235623\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4624.png\" alt=\"\" width=\"868\" height=\"766\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4624.png 868w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4624-300x265.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4624-768x678.png 768w\" sizes=\"(max-width: 868px) 100vw, 868px\" \/><\/p>\n<p>\u56fe 1\uff1aMoS<sub>2<\/sub>\u6676\u4f53\u7ba1\u4e0e GaN \u57fa\u7684\u5168\u5f69 micro-LED \u663e\u793a\u5668\u7684\u5355\u7247\u96c6\u6210\u3002\u00a9 2022 Springer Nature Limited<\/p>\n<p>a\uff09\u5355\u7247\u96c6\u6210\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002\u7528\u4e8e LED \u7684 GaN \u5916\u5ef6\u5c42\u3001\u7528\u4e8e\u6676\u4f53\u7ba1\u7684 MoS<sub>2<\/sub>\u5c42\u548c\u7528\u4e8e\u989c\u8272\u8f6c\u6362\u7684 QD \u5728\u540c\u4e00\u886c\u5e95\u4e0a\u6c89\u79ef\u548c\u56fe\u6848\u5316\u3002<\/p>\n<p>b\uff09\u5de6\uff1a\u5728GaN\u6676\u7247\u4e0a\u751f\u957f\u7684MoS<sub>2<\/sub>\u53cc\u5c42\u7684TEM\u56fe\u50cf\u3002\u53f3\u56fe\uff1a GaN \u6676\u7247\u4e0a\u751f\u957f\u7684 MoS<sub>2<\/sub>\u7684\u6a2a\u622a\u9762\u793a\u610f\u56fe\u3002<\/p>\n<p>c \uff09GaN\u6676\u7247\u4e0a\u7684\u53cc\u5c42MoS<sub>2<\/sub>\u7684 PL \u5149\u8c31\u3002<\/p>\n<p>d \uff09\u5728383.5\u3001406.0\u548c566.6 cm<sup>\u2212<\/sup><sup>1<\/sup>\u5904\u5206\u522b\u8868\u73b0\u51faMoS<sub>2<\/sub>\u7684E<sup>1<\/sup><sub>2g<\/sub>\u548cA<sub>1g<\/sub>\u6a21\u5f0f\u4ee5\u53caGaN\u7684E<sup>H<\/sup><sub>2<\/sub>\u6a21\u5f0f\u7684\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235624\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4625.png\" alt=\"\" width=\"645\" height=\"574\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4625.png 645w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4625-300x267.png 300w\" sizes=\"(max-width: 645px) 100vw, 645px\" \/><\/p>\n<p>\u56fe 2\uff1a\u5728 GaN \u6676\u7247\u4e0a\u751f\u957f\u7684\u53cc\u5c42 MoS<sub>2<\/sub>\u7684\u5149\u5b66\u548c\u7535\u5b66\u7279\u6027\u3002\u00a9 2022 Springer Nature Limited<\/p>\n<p>a \uff09\u5bf9\u4e8e\u5728SiO<sub>2<\/sub> \/GaN\/Si\uff08\u5de6\u534a\u8fb9\uff09\u548cSiO<sub>2<\/sub> \/Si\uff08\u53f3\u534a\u8fb9\uff09\u886c\u5e95\u4e0a\u751f\u957f\u7684MoS<sub>2<\/sub>\u8584\u819c\u7684A<sub>1g<\/sub>\u6a21\u5f0f\u7684\u7a7a\u95f4\u62c9\u66fc\u6620\u5c04\u3002<\/p>\n<p>b \uff09\u548c c \uff09 MoS<sub>2<\/sub>\u5728 SiO<sub> 2 <\/sub>\/GaN\/Si ( b ) \u548c SiO <sub>2<\/sub> \/Si ( c ) \u4e0a\u4e09\u4e2a\u4e0d\u540c\u70b9\u7684\u62c9\u66fc\u5149\u8c31\uff1a\u9876\u90e8\u3001\u4e2d\u5fc3\u548c\u5e95\u90e8\u3002<\/p>\n<p>d\uff09\u4e0d\u540c\u886c\u5e95\u4e0a\u751f\u957f\u7684MoS<sub> 2<\/sub>\u7684PL\u5149\u8c31\u548c\u76f8\u5e94\u5cf0\u7684\u534a\u5cf0\u5168\u5bbd\uff08FWHM\uff09\u3002<\/p>\n<p>e\uff09\u57fa\u4e8e\u5728 SiO<sub> 2 <\/sub>\/Si \u548c SiO<sub> 2 <\/sub>\/GaN\/Si \u886c\u5e95\u4e0a\u751f\u957f\u7684 MoS<sub> 2<\/sub>\u7684\u6676\u4f53\u7ba1\u7684\u8f6c\u79fb\u7279\u6027\uff0c\u5206\u522b\u4ee5\u7ea2\u8272\u548c\u84dd\u8272\u66f2\u7ebf\u8868\u793a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235625\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4626.png\" alt=\"\" width=\"860\" height=\"801\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4626.png 860w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4626-300x279.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4626-768x715.png 768w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/><\/p>\n<p>\u56fe 3\uff1aMoS<sub>2<\/sub>-TFT \u96c6\u6210 micro-LED \u7684\u6279\u91cf\u5236\u9020\u53ca\u5176\u7535\u5b66\u7279\u6027\u3002\u00a9 2022 Springer Nature Limited<\/p>\n<p>a\uff09\u5728 4 \u82f1\u5bf8 GaN\/\u7845\u548c 2 \u82f1\u5bf8 GaN\/\u84dd\u5b9d\u77f3\u6676\u7247\u4e0a\u96c6\u6210 MoS<sub>2<\/sub> TFT \u7684 micro-LED \u5668\u4ef6\u7684\u5149\u5b66\u56fe\u50cf\uff08\u63d2\u56fe\uff09\u3002<\/p>\n<p>b\uff09\u53cc\u5206\u5b50\u5c42MoS<sub>2<\/sub> TFT\u5728W \/ L\u4e3a45 \u00b5m\/10 \u00b5m\u7684\u7845\u6676\u7247\u4e0a\u7684\u8f6c\u79fb\u7279\u6027\uff0c\u9a71\u52a8\u7535\u538b\u4e3aV<sub>DS<\/sub>=1 V\u3002<\/p>\n<p>c\uff09\u5728 GaN\/Si \u6676\u7247\u4e0a\u5236\u9020\u7684\u5668\u4ef6\u7684\u8f93\u51fa\u7279\u6027\uff0c\u663e\u793a\u5728\u5404\u79cdV<sub>GS<\/sub>\u503c\u4e0b\u7684\u7535\u6d41\u9971\u548c\u60c5\u51b5\u3002<\/p>\n<p>d\uff09MoS<sub>2<\/sub>\u7684\u8fc1\u79fb\u7387\u548c\u9608\u503c\u7535\u538b\u7684\u76f4\u65b9\u56fe\u4e0e\u5fae\u578b LED \u96c6\u6210\u7684 TFT\u3002<\/p>\n<p>e\uff09\u96c6\u6210\u5668\u4ef6\u7684\u6805\u6781\u76f8\u5173\u7535\u6d41\uff08I<sub>LED<\/sub> \uff09\uff0c VDD\u4ee52 V\u7684\u6b65\u957f\u65bd\u52a0\u3002<\/p>\n<p>f\uff09\u5355\u4f4d\u5668\u4ef6\u7684\u7535\u6d41-\u7535\u538b\uff08I &#8211; V\uff09\u7279\u6027\uff0c\u5f53VDD\u4ece 2 V \u626b\u63cf\u5230 8 V \u65f6\uff0cV<sub>GS<\/sub>\u4ee5 2 V \u7684\u6b65\u957f\u65bd\u52a0\u3002<\/p>\n<p>g\uff09\u75318 V\u7684V<sub>GS<\/sub>\u63a7\u5236\u7684\u50cf\u7d20\u5207\u6362\u7279\u6027\u3002<\/p>\n<p>h)\u7845\u7247\uff08\u9876\u90e8\uff09\u548c\u84dd\u5b9d\u77f3\u7247\uff08\u5e95\u90e8\uff09\u4e0a\u7684\u7531MoS<sub>2<\/sub> -TFT \u96c6\u6210\u7684micro-LED \u7684\u4eae\u5ea6\u63a7\u5236\u5206\u522b\u5177\u6709\u9876\u90e8\u53d1\u5c04\u548c\u5e95\u90e8\u53d1\u5c04\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235626\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4627.png\" alt=\"\" width=\"858\" height=\"877\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4627.png 858w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4627-294x300.png 294w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/04\/4627-768x785.png 768w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><\/p>\n<p>\u56fe 4\uff1a\u4f7f\u7528 MoS<sub>2<\/sub> TFT \u548c QD \u7684\u5168\u5f69\u6709\u6e90\u77e9\u9635 micro-LED \u663e\u793a\u5668\u7684\u8fd0\u884c\u60c5\u51b5\u3002\u00a9 2022 Springer Nature Limited<\/p>\n<p>a\uff09\u5728\u7845\u886c\u5e95\u4e0a\u5236\u9020\u7684\u5177\u6709\u9876\u90e8\u53d1\u5c04\u7684\u96c6\u6210\u5668\u4ef6\u7684\u793a\u610f\u56fe\u3002<\/p>\n<p>b\uff09\u4f7f\u7528\u663e\u793a\u5b57\u7b26 M\u3001I\u3001C\u3001R \u548c O \u7684\u5916\u90e8\u9a71\u52a8\u7535\u8def\u64cd\u4f5c\u7684\u6709\u6e90\u77e9\u9635 micro-LED \u663e\u793a\u5668\u7684\u5149\u5b66\u56fe\u50cf\u3002<\/p>\n<p>c\uff09\u5728\u84dd\u5b9d\u77f3\u886c\u5e95\u4e0a\u5236\u9020\u7684\u5177\u6709\u5e95\u90e8\u53d1\u5c04\u7684\u96c6\u6210\u5668\u4ef6\u7684\u793a\u610f\u56fe\u3002<\/p>\n<p>d\uff09\u57282\u82f1\u5bf8\u84dd\u5b9d\u77f3\u57fa\u677f\u4e0a\u7684\u5e95\u90e8\u53d1\u5c04 micro-LED \u663e\u793a\u5668\u7684\u7167\u7247\uff0c\u53d1\u5c04\u9762\u79ef\u6bd4\u7ea6\u4e3a 100%\u3002<\/p>\n<p>e\uff09\u4f7f\u7528\u663e\u793a\u5b57\u7b26\u7684\u5916\u90e8\u9a71\u52a8\u7535\u8def\u64cd\u4f5c\u7684\u5e95\u90e8\u53d1\u5c04\u663e\u793a\u5668\u7684\u5149\u5b66\u56fe\u50cf\u3002<\/p>\n<p>f\uff09I &#8211; V\u5355\u4f4d\u5668\u4ef6\u7279\u6027\uff0c\u5f53VDD\u4ece 2 V \u626b\u63cf\u5230 8 V\uff0cV<sub>GS<\/sub>\u4ee5 2 V \u7684\u6b65\u957f\u65bd\u52a0\u3002<\/p>\n<p>g\uff09\u9635\u5217\u4e92\u8fde\u540e\u96c6\u6210\u5668\u4ef6\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf\u3002<\/p>\n<p>h\uff09\u901a\u8fc7\u84dd\u5b9d\u77f3\u57fa\u677f\u4e0a\u7684\u5e95\u90e8\u53d1\u5c04\u64cd\u4f5c\u7684508 ppi\u7684micro-LED 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