{"id":273336,"date":"2026-10-17T09:01:00","date_gmt":"2026-10-17T01:01:00","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=273336"},"modified":"2026-10-16T23:08:59","modified_gmt":"2026-10-16T15:08:59","slug":"%e6%ad%a6%e6%b1%89%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e5%88%98%e5%8b%87%e6%95%99%e6%8e%88%e5%9b%a2%e9%98%9facs-nano%ef%bc%9a%e4%bd%8e%e9%93%85%e5%8f%96%e4%bb%a3%e8%a7%a3%e9%94%81%e9%95%89%e5%9f%ba","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=273336","title":{"rendered":"\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u5218\u52c7\u6559\u6388\u56e2\u961fACS Nano\uff1a\u4f4e\u94c5\u53d6\u4ee3\u89e3\u9501\u9549\u57fa\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u9ad8\u6548\u53d1\u5149\u4e0e\u53cc\u6781\u6027\u8f93\u8fd0"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u5218\u52c7\u6559\u6388<\/strong>\u8054\u5408\u590d\u65e6\u5927\u5b66\u8d75\u4e1c\u5143\u9662\u58eb\u56e2\u961f<\/strong>\uff0c\u5728\u5149\u7535\u5b50\u6750\u6599\u4e0e\u5668\u4ef6\u9886\u57df\u53d6\u5f97\u65b0\u8fdb\u5c55\u3002\u7814\u7a76\u56e2\u961f\u63d0\u51faB\u4f4d\u4f4e\u94c5\u53d6\u4ee3\u7b56\u7565\uff0c\u901a\u8fc7\u8c03\u8282\u6fc0\u53d1\u6001\u5f1b\u8c6b\u3001\u7535\u5b50\u7ed3\u6784\u5e76\u6291\u5236\u6df1\u80fd\u7ea7\u7f3a\u9677\u5f62\u6210\uff0c\u5728\u9549\u57fa\u4e8c\u7ef4Ruddlesden\u2013Popper\uff08RP\uff09\u9499\u949b\u77ff\u4e2d\u5b9e\u73b0\u4e86\u53d1\u5149\u6548\u7387\u4e0e\u53cc\u6781\u6027\u8f93\u8fd0\u7684\u534f\u540c\u63d0\u5347\uff0c\u4e3a\u517c\u987e\u9ad8\u6548\u53d1\u5149\u4e0e\u7535\u8377\u8f93\u8fd0\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5149\u7535\u6750\u6599\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cLow\u001ePb substitution <\/em>unlock<\/em>s Cd\u001ebased Ruddlesden\u2013Popper perovskites <\/em>for<\/em> bright emission and ambipolar transport<\/em>\u201d\u4e3a\u9898\u53d1\u8868\u4e8e\u56fd\u9645\u7eb3\u7c73\u79d1\u5b66\u9886\u57df\u91cd\u8981\u671f\u520aACS Nano<\/em><\/strong><\/em><\/strong>\u4e0a\u3002\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u96c6\u6210\u7535\u8def\u5b66\u9662\u535a\u58eb\u7814\u7a76\u751f\u5510\u5b50\u665f\u3001\u6750\u6599\u5b66\u9662\u535a\u58eb\u7814\u7a76\u751f\u5218\u5927\u6c11\u3001\u7855\u58eb\u7814\u7a76\u751f\u5e9e\u54f2\u4e3a\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u5218\u52c7\u6559\u6388\u548c\u590d\u65e6\u5927\u5b66\u8d75\u4e1c\u5143\u9662\u58eb\u4e3a\u8bba\u6587\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n\n\n\n

[\u7814\u7a76\u80cc\u666f]<\/strong><\/strong><\/p>\n\n\n\n

\u4e8c\u7ef4RP\u5364\u5316\u7269\u9499\u949b\u77ff\u51ed\u501f\u72ec\u7279\u7684\u5c42\u72b6\u91cf\u5b50\u9631\u7ed3\u6784\u548c\u53ef\u8c03\u7684\u5149\u7535\u7279\u6027\uff0c\u5728\u53d1\u5149\u5668\u4ef6\u4e0e\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7b49\u9886\u57df\u5c55\u73b0\u51fa\u91cd\u8981\u5e94\u7528\u6f5c\u529b\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u9549\u57fa\u4e8c\u7ef4RP\u9499\u949b\u77ff\uff0c\u8f83\u5f3a\u7684\u6fc0\u53d1\u6001\u5c40\u57df\u5316\u5f71\u54cd\u5176\u8f90\u5c04\u590d\u5408\u8def\u5f84\uff0c\u800c\u6df1\u80fd\u7ea7\u7f3a\u9677\u5f15\u8d77\u7684\u975e\u8f90\u5c04\u590d\u5408\u4e0e\u8f7d\u6d41\u5b50\u4fd8\u83b7\u5219\u4e25\u91cd\u5236\u7ea6\u5176\u53d1\u5149\u6548\u7387\u548c\u7535\u8377\u8f93\u8fd0\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u534f\u540c\u8c03\u63a7\u6fc0\u53d1\u6001\u5f1b\u8c6b\u5e76\u6291\u5236\u6df1\u80fd\u7ea7\u7f3a\u9677\u5f62\u6210\uff0c\u5b9e\u73b0\u53d1\u5149\u4e0e\u8f93\u8fd0\u6027\u80fd\u7684\u534f\u540c\u63d0\u5347\uff0c\u5df2\u6210\u4e3a\u8be5\u9886\u57df\u4e9f\u5f85\u7a81\u7834\u7684\u5173\u952e\u79d1\u5b66\u95ee\u9898\u3002<\/p>\n\n\n\n

\u56f4\u7ed5\u8fd9\u4e00\u95ee\u9898\uff0c\u7814\u7a76\u56e2\u961f\u5f00\u53d1\u4e86\u4e00\u79cdB\u4f4d\u4f4e\u94c5\u53d6\u4ee3\u7b56\u7565\uff0c\u901a\u8fc7Pb2+<\/sup>\u90e8\u5206\u53d6\u4ee3Cd2+<\/sup>\u6784\u5efa\u4e86\u4e00\u7cfb\u5217\u7684\u9549\u57fa\u4e8c\u7ef4RP\u76f8 (PA)2<\/sub>CsCd2\u2212<\/sub>x<\/sub><\/em><\/sub><\/em>Pbx<\/sub><\/em><\/sub><\/em>Cl7<\/sub> (x<\/em> = 0\u22120.4) \u9499\u949b\u77ff\uff0c\u7cfb\u7edf\u63ed\u793a\u4e86Pb2+<\/sup>\u53d6\u4ee3\u6bd4\u4f8b\u5bf9\u6676\u4f53\u7ed3\u6784\u3001\u53d1\u5149\u884c\u4e3a\u3001\u7535\u5b50\u7ed3\u6784\u53ca\u53cc\u6781\u6027\u8f93\u8fd0\u7684\u5f71\u54cd\u3002\u5176\u4e2d\uff0c\u6700\u4f18\u7ec4\u5206\uff08x<\/em> = 0.2\uff09\u7684\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PLQY\uff09\u753110.5%\u63d0\u9ad8\u81f380%\uff0c\u8fbe\u5230\u539f\u6765\u7684\u7ea67.6\u500d\uff1b\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u7a7a\u7a74\u548c\u7535\u5b50\u8fc1\u79fb\u7387\u8fbe\u52303.62\u548c1.81 cm2<\/sup> V\u22121<\/sup> s\u22121<\/sup>\uff0c\u5f00\u5173\u6bd4\u6700\u9ad8\u8fbe\u52308 \u00d7 107<\/sup>\uff0c\u5b9e\u73b0\u4e86\u53d1\u5149\u4e0e\u53cc\u6781\u6027\u8f93\u8fd0\u6027\u80fd\u7684\u540c\u6b65\u63d0\u5347\u3002<\/p>\n\n\n\n

[\u7814\u7a76\u5185\u5bb9]<\/strong><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Figure 1<\/strong>. Synthesis and morphology<\/strong> <\/strong>characterization<\/strong> of 2D RP perovskite (PA)<\/strong>2<\/sub><\/strong><\/sub><\/strong>CsCd<\/strong>1.8<\/sub><\/strong><\/sub><\/strong>Pb<\/strong>0.2<\/sub><\/strong><\/sub><\/strong>Cl<\/strong>7<\/sub><\/strong><\/sub><\/strong> microplates.<\/strong> (a<\/strong>) Schematic illustration of the synthesis strategy for (PA)2<\/sub>CsCd2<\/sub>\u2212<\/sub>x<\/sub><\/em><\/sub><\/em>Pbx<\/sub><\/em><\/sub><\/em>Cl7<\/sub>. (b<\/strong>) OM image and (c<\/strong>) SEM image of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub>. (d<\/strong>) Side-view image of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub>. (e<\/strong>) Lateral-size distribution of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub>. (f<\/strong>) AFM topography image of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub> and (g<\/strong>) corresponding height profile extracted along the white line in panel (f<\/strong>).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Figure 2.<\/strong> Structural and compositional characterization of (PA)<\/strong>2<\/sub><\/strong><\/sub><\/strong>CsCd<\/strong>2-<\/sub><\/strong><\/sub><\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Pb<\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Cl<\/strong>7<\/sub><\/strong><\/sub><\/strong> (<\/strong>x<\/em><\/strong><\/em><\/strong> = 0, 0.1, 0.2, <\/strong>and<\/strong> 0.3)<\/strong>.<\/strong> (a<\/strong>) XRD patterns of (PA)2<\/sub>CsCd2<\/sub>\u2212<\/sub>x<\/sub><\/em><\/sub><\/em>Pbx<\/sub><\/em><\/sub><\/em>Cl7<\/sub>. Inset: Enlarged view of the selected diffraction region. (b<\/strong>) HRTEM image of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub> and (c<\/strong>) corresponding SAED pattern. XPS spectra of (d<\/strong>) Cd 3d, (e<\/strong>) Cl 2p, and (f<\/strong>) Pb 4f regions for (PA)2<\/sub>CsCd2<\/sub>\u2212<\/sub>x<\/sub><\/em><\/sub><\/em>Pbx<\/sub><\/em><\/sub><\/em>Cl7<\/sub>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Figure 3.<\/strong> Optical properties and electronic structure of (PA)<\/strong>2<\/sub><\/strong><\/sub><\/strong>CsCd<\/strong>2-<\/sub><\/strong><\/sub><\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Pb<\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Cl<\/strong>7<\/sub><\/strong><\/sub><\/strong> (<\/strong>x<\/em><\/strong><\/em><\/strong> = 0, 0.1, 0.2, and 0.3).<\/strong> (a<\/strong>) Normalized PL and UV\u2013vis absorption spectra. (b<\/strong>) PL spectra. (c<\/strong>) TRPL decay curves. (d<\/strong>) Energy band structure. (e<\/strong>) Calculated TDOS of (PA)2<\/sub>CsCd2<\/sub>Cl7<\/sub> and (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Figure 4.<\/strong> Field-effect transistor performance of (PA)<\/strong>2<\/sub><\/strong><\/sub><\/strong>CsCd<\/strong>2-<\/sub><\/strong><\/sub><\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Pb<\/strong>x<\/sub><\/em><\/strong><\/sub><\/em><\/strong>Cl<\/strong>7<\/sub><\/strong><\/sub><\/strong> <\/strong>(<\/strong>x<\/em><\/strong><\/em><\/strong> =<\/strong> 0, 0.1, 0.2, <\/strong>and<\/strong> 0.3)<\/strong>.<\/strong> (a<\/strong>) Schematic illustration of the device structure. (b<\/strong>) Output and (c<\/strong>) transfer characteristics of (PA)2<\/sub>CsCd2<\/sub>\u2212<\/sub>x<\/sub><\/em><\/sub><\/em>Pbx<\/sub><\/em><\/sub><\/em>Cl7<\/sub>. Output characteristics of (d<\/strong>) (PA)2<\/sub>CsCd2<\/sub>Cl7<\/sub> and (e<\/strong>) (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub> under different gate voltages. Transfer characteristics of (f<\/strong>) (PA)2<\/sub>CsCd2<\/sub>Cl7<\/sub> and (g<\/strong>) (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub> under different drain-source voltages. (h<\/strong>) Extracted V<\/em>th<\/sub> and I<\/em>on<\/sub>\/I<\/em>off<\/sub> of (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub> as a function of drain-source voltage. (i<\/strong>) Statistical distributions of \u03bc<\/em>h<\/sub> and \u03bc<\/em>e<\/sub> obtained from 12 independent FET devices of (PA)2<\/sub>CsCd2<\/sub>Cl7<\/sub> and (PA)2<\/sub>CsCd1.8<\/sub>Pb0.2<\/sub>Cl7<\/sub>.<\/p>\n\n\n\n

[\u7ed3\u8bba\u5c55\u671b]<\/strong><\/strong><\/p>\n\n\n\n

\u672c\u7814\u7a76\u91c7\u7528B\u4f4d\u4f4e\u94c5\u53d6\u4ee3\u7b56\u7565\uff0c\u534f\u540c\u8c03\u63a7\u6fc0\u53d1\u6001\u5f1b\u8c6b\u3001\u7f3a\u9677\u5f62\u6210\u4e0e\u7535\u5b50\u7ed3\u6784\uff0c\u5b9e\u73b0\u4e86\u9549\u57fa\u4e8c\u7ef4RP\u9499\u949b\u77ff\u53d1\u5149\u6548\u7387\u4e0e\u53cc\u6781\u6027\u8f93\u8fd0\u6027\u80fd\u7684\u53cc\u91cd\u63d0\u5347\u3002\u7814\u7a76\u8868\u660e\uff0c\u9002\u91cfPb2+<\/sup>\u7684\u5f15\u5165\u6539\u53d8\u4e86(PA)2<\/sub>CsCd2<\/sub>Cl7<\/sub>\u9aa8\u67b6\u7684\u5c40\u90e8\u5316\u5b66\u73af\u5883\u4e0e\u7535\u5b50\u6001\u5206\u5e03\uff0c\u4fc3\u8fdb\u6fc0\u53d1\u6001\u590d\u5408\u5411\u8f83\u9ad8\u80fd\u91cf\u3001\u8f83\u5f31\u5f1b\u8c6b\u7684\u8f90\u5c04\u8def\u5f84\u91cd\u65b0\u5206\u914d\uff0c\u540c\u65f6\u63d0\u9ad8\u7f3a\u9677\u5f62\u6210\u80fd\uff0c\u4ece\u800c\u6709\u5229\u4e8e\u51cf\u5c11\u975e\u8f90\u5c04\u635f\u8017\u548c\u8f7d\u6d41\u5b50\u4fd8\u83b7\uff0c\u5b9e\u73b0\u4e86\u6fc0\u53d1\u6001\u884c\u4e3a\u4e0e\u201c\u7f3a\u9677\u2014\u80fd\u5e26\u2014\u8f93\u8fd0\u201d\u7684\u534f\u540c\u8c03\u8282\u3002\u8be5<\/strong>\u7814\u7a76\u4e0d\u4ec5\u6df1\u5316\u4e86\u5bf9\u9549\u57fa\u4e8c\u7ef4RP\u9499\u949b\u77ff\u7ec4\u5206\u3001\u7535\u5b50\u7ed3\u6784\u4e0e\u5149\u7535\u6027\u80fd<\/strong>\u4e4b\u95f4<\/strong>\u5173\u7cfb\u7684\u8ba4\u8bc6\uff0c\u4e5f\u4e3a<\/strong>\u517c\u987e<\/strong>\u9ad8\u6548\u53d1\u5149\u4e0e\u53cc\u6781\u6027\u8f93\u8fd0\u7684\u534a\u5bfc\u4f53\u6750\u6599\u8bbe\u8ba1\u53ca\u5668\u4ef6\u5f00\u53d1\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/strong><\/p>\n\n\n\n

[\u8bba\u6587\u4fe1\u606f]<\/strong><\/strong><\/p>\n\n\n\n

Zisheng Tang, Zhe Pang, Damin Liu, Xiaoqian Wang, Jieheng Lv, Dafu Zhao, Manrui Liu, Chengqi Liu, Jiaqian Que, Kefeiyang Hu, Chong Peng, Xingbo Huang, Yingfei Liu, Dongyuan Zhao* and Yong Liu*; Low-Pb Substitution Unlocks Cd-Based Ruddlesden\u2013Popper Perovskites for Bright Emission and Ambipolar Transport.<\/strong><\/p>\n\n\n\n

ACS Nano<\/em><\/strong><\/em><\/strong> <\/em><\/strong><\/em><\/strong><\/em><\/strong><\/em><\/strong><\/p>\n\n\n\n

https:\/\/doi.org\/10.1021\/acsnano.6c07579<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u5218\u52c7\u6559\u6388\u8054\u5408\u590d\u65e6\u5927\u5b66\u8d75\u4e1c\u5143\u9662\u58eb\u56e2\u961f\uff0c\u5728\u5149\u7535\u5b50\u6750\u6599\u4e0e\u5668\u4ef6\u9886\u57df\u53d6\u5f97\u65b0\u8fdb\u5c55\u3002\u7814\u7a76\u56e2\u961f\u63d0\u51faB\u4f4d\u4f4e\u94c5\u53d6\u4ee3\u7b56\u7565\uff0c\u901a\u8fc7\u8c03\u8282\u6fc0\u53d1\u6001\u5f1b\u8c6b\u3001\u7535\u5b50\u7ed3\u6784\u5e76\u6291\u5236\u6df1\u80fd\u7ea7\u7f3a…<\/p>\n","protected":false},"author":31345,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-273336","post","type-post","status-publish","format-standard","hentry","category-keji"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/273336"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/31345"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=273336"}],"version-history":[{"count":1,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/273336\/revisions"}],"predecessor-version":[{"id":273342,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/273336\/revisions\/273342"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=273336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=273336"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=273336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}