{"id":260200,"date":"2024-05-15T06:03:13","date_gmt":"2024-05-14T22:03:13","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=260200"},"modified":"2024-05-14T12:32:46","modified_gmt":"2024-05-14T04:32:46","slug":"%e5%8d%97%e7%90%86%e5%b7%a5%e7%9b%b8%e6%81%92%e9%98%b3-%e6%9b%be%e6%b5%b7%e6%b3%a2%e7%ad%89am%ef%bc%9a%e7%ba%a2%e7%bb%bf%e8%93%9d%e5%9d%87%e8%a1%a1%e5%8f%91%e5%85%89%e7%9a%84zncugasinzns%e9%87%8f","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=260200","title":{"rendered":"\u5357\u7406\u5de5\u76f8\u6052\u9633\/\u66fe\u6d77\u6ce2\u7b49AM\uff1a\u7ea2\u7eff\u84dd\u5747\u8861\u53d1\u5149\u7684ZnCuGaS:In#ZnS\u91cf\u5b50\u70b9\u5b9e\u73b0\u9ad8\u663e\u8272\u6027\u767d\u5149QLED"},"content":{"rendered":"

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\"\"<\/p>\n

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\"\"<\/p>\n

Figure 1\u00a0<\/strong>a) The core\/shell schematic structure for ZnCuGaS#ZnS and ZnCuGaS:In#ZnS WQDs. b) TEM images and HR-TEM (inset) of C\/S-0, C\/S-0.08, C\/S-0.11 WQDs. c) The XRD and local magnification patterns of C-0, C-0.08, C-0.11, C\/S-0, C\/S-0.08 and C\/S-0.11 WQDs. d) The XPS spectra of In 3d for C-0, C-0.08, C-0.11 WQDs.<\/p>\n

\u968f\u540e\uff0c\u5bf9\u4e0d\u540cIn\u63ba\u6742\u91cf\u7684ZnCuGaS#ZnS\u91cf\u5b50\u70b9\u5149\u8c31\u8fdb\u884c\u4e86\u8868\u5f81\uff08\u56fe2\uff09\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u901a\u8fc7\u8c03\u63a7In\u79bb\u5b50\u7684\u63ba\u6742\u91cf\uff0c\u53ef\u4ee5\u5b9e\u73b0\u51b7\u767d\u5149\u5230\u6696\u767d\u5149\u7684\u5149\u8c31\u8c03\u63a7\uff08\u56fe2b\uff09\u3002\u9ad8\u65af\u62df\u5408\u5206\u6790\u53ef\u77e5\uff0c\u968f\u7740In\u63ba\u6742\u91cf\u7684\u63d0\u5347\uff0c\u5728\u672c\u5f81\u84dd\u8272\u53d1\u5149\u4e2d\u5fc3\uff08~460 nm\uff09\u4e0e\u7eff\u8272\u53d1\u5149\u4e2d\u5fc3\uff08530 nm\uff09\u7684\u57fa\u7840\u4e0a\uff0c\u7ea2\u5149\uff08~625 nm\uff09\u90e8\u5206\u53d1\u5c04\u5360\u6bd4\u9010\u6e10\u589e\u52a0\uff08\u56fe2c\uff09\u3002<\/p>\n

\"\"<\/p>\n

Figure 2\u00a0\u00a0<\/strong>Optical properties of C\/S-0, C\/S-0.08, and C\/S-0.11 WQDs. a) Abs and PLE spectra. b) PL and the Gaussian function fitting spectra, and the insets are the photographs of WQDs under UV illumination (365 nm). c) The proportion of peak 1, peak 2, and peak 3. d) TRPL of peak 1, peak 2, and peak<\/p>\n

\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u901a\u8fc7\u53d8\u6e29\u8367\u5149\u6d4b\u8bd5\u8868\u5f81\u5176\u53d1\u5149\u673a\u7406\uff08\u56fe3\uff09\u3002\u7ed3\u679c\u8868\u660e\u4e0d\u540cIn\u63ba\u6742\u91cf\u7684\u91cf\u5b50\u70b9\u5177\u6709\u660e\u663e\u7684\u53cd\u70ed\u731d\u706d\u6548\u5e94\uff0c\u5373\u968f\u7740\u6e29\u5ea6\u7684\u5347\u9ad8\uff0c\u53d1\u751f\u5149\u5f3a\u5ea6\u589e\u5f3a\u3002\u4e3a\u63a2\u660e\u53cd\u70ed\u731d\u706d\u6548\u5e94\u7684\u6839\u6e90\uff0c\u5bf9\u53d8\u6e29\u8367\u5149\u8fdb\u884c\u4e86\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u5f3a\u5ea6\u53d8\u5316\u8d8b\u52bf\u5206\u6790\uff0c\u53d1\u73b0\u968fIn\u63ba\u6742\u91cf\u7684\u63d0\u5347\uff0cpeak1\u7684\u964d\u4f4e\u8d8b\u52bf\u51cf\u7f13\uff0cpeak2\u7684\u589e\u52a0\u8d8b\u52bf\u964d\u4f4e\u3002\u8fdb\u4e00\u6b65\u5bf9\u53d8\u6e29\u8367\u5149\u6570\u636e\u62df\u5408\u53d1\u73b0\uff0c\u5728\u5bfc\u5e26\u5e95\u5b58\u5728\u4e0d\u540c\u6d53\u5ea6\u7684Zn\u76f8\u5173\u80fd\u7ea7\uff0c\u6b64\u80fd\u7ea7\u53ef\u4f5c\u4e3a\u70ed\u6fc0\u5b50\u53cd\u5411\u4f20\u9012\u7684\u6865\u6881\uff0c\u589e\u5f3a\u6fc0\u5b50\u5229\u7528\u7387\uff0c\u5f25\u8865\u5bbd\u5e26\u9699\u53d1\u5149\u635f\u5931\u3002\u800c\u4f4e\u6d53\u5ea6In\u76f8\u5173\u80fd\u7ea7\u6613\u8d8b\u4e8e\u52a8\u6001\u9971\u548c\u72b6\u6001\uff0c\u4ece\u800c\u6291\u5236\u4e86\u4e2d\u7b49\u5e26\u9699\u5bbd\u5ea6\u7535\u5b50\u53ca\u80fd\u91cf\u635f\u5931\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e09\u53d1\u5149\u4e2d\u5fc3\u7684\u6fc0\u5b50\u5206\u5e03\u5e73\u8861\u6001\u3002<\/p>\n

\"\"<\/p>\n

Figure 3\u00a0\u00a0<\/strong>Temperature-dependent PL spectra from 80 to 300 K of a) C\/S-0, b) C\/S-0.08, and c) C\/S-0.11 WQDs. d) Proportional variations of peak 1 and peak 2 at 80, 120, 160, 220, 250, 270, 290 and 300 K for C\/S-0, C\/S-0.08, C\/S-0.11 WQDs. The schematic diagram of PL mechanism for e) ZnCuGaS#ZnS and f) ZnCuGaS:In#ZnS WQDs.<\/p>\n

\u91cf\u5b50\u70b9\u7684\u7a33\u5b9a\u6027\u53ca\u53d1\u5149\u6548\u7387\u5bf9\u5176\u5728\u5668\u4ef6\u4e2d\u7684\u5e94\u7528\u4e5f\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u6b64\u5bf9\u4e0d\u540cIn\u63ba\u6742\u91cf\u91cf\u5b50\u70b9\u8fdb\u884c\u4e86\u5b58\u50a8\u7a33\u5b9a\u6027\u3001\u6c34\u7a33\u5b9a\u6027\u3001\u70ed\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff08\u56fe4\uff09\u3002\u968f\u7740In\u63ba\u6742\u91cf\u7684\u63d0\u5347\uff0c\u5404\u65b9\u9762\u7a33\u5b9a\u6027\u5747\u5927\u5e45\u5ea6\u63d0\u5347\uff0c\u4e14\u5176PLQY\uff0895.3%\uff09\u4e5f\u5904\u4e8e\u76ee\u524d\u62a5\u9053\u9886\u5148\u6c34\u5e73\u3002<\/p>\n

\"\"<\/p>\n

Figure 4\u00a0\u00a0<\/strong>a) Storage, water resistance, and thermal stability of C\/S-0, C\/S-0.08, and C\/S-0.11 WQDs. b) Comparison of PLQY and CRI in the mono-component WQDs.[3,\u00a05,\u00a07,\u00a016,\u00a017,\u00a042,\u00a044]\u00a0c) The XPS spectra of Ga 2p and Cu 2p for C\/S-0, C\/S-0.08, C\/S-0.11 WQDs. d) The schematic diagram of In3+\u00a0filling VGa\u00a0passivation defects<\/p>\n

\u6700\u7ec8\uff0c\u5c06\u91cf\u5b50\u70b9\u5e94\u7528\u4e8e\u7535\u81f4\u53d1\u5149\u5668\u4ef6\u4e2d\u4ee5\u68c0\u9a8c\u5176\u53d1\u5149\u6027\u80fd\uff08\u56fe5\uff09\u3002\u968f\u7740\u5668\u4ef6\u5728\u6052\u5b9a\u7535\u538b\u4e0b\u7684\u8fd0\u884c\uff0cIn\u63ba\u6742\u7684ZnCuGaS#ZnS\u91cf\u5b50\u70b9\u5c55\u73b0\u51fa\u826f\u597d\u7684\u5149\u8c31\u7a33\u5b9a\u6027\u53ca\u8272\u5750\u6807\u7a33\u5b9a\u6027\u3002\u8fd9\u5f97\u76ca\u4e8e\u6d45\u6001\u80fd\u7ea7\u5bf9\u5bbd\u5e26\u9699\u53d1\u5149\u7684\u8865\u5145\u53ca\u6613\u9971\u548cIn\u76f8\u5173\u80fd\u7ea7\u5bf9\u4e2d\u7b49\u5e26\u9699\u8f7d\u6d41\u5b50\u635f\u5931\u7684\u6291\u5236\u3002<\/p>\n

Figure 5\u00a0\u00a0a) Schematic of the structure for device I (C\/S-0 WQDs), II (C\/S-0.08 WQDs) and III (C\/S-0.11 WQDs). b) Current density-voltage-luminance (J<\/em>–V<\/em>–L<\/em>) and c) EQE-current density curves for device I, II, and III. The variations of d) CIE color coordinates, e) CRI, and f) EL spectra, and the proportional variations of peak 1, peak 2, and peak 3 from 0 to 210 s for device I, II, and III at a constant current density. The schematic diagram of EL mechanism for g) ZnCuGaS#ZnS WLEDs and h) ZnCuGaS:In#ZnS WLEDs.<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u672c\u5de5\u4f5c\u8bbe\u8ba1\u7684\u201cIn\u63ba\u6742ZnCuGaS#ZnS\u5b9e\u73b0\u591a\u53d1\u5149\u4e2d\u5fc3\u8f7d\u6d41\u5b50\u5e73\u8861\u5206\u5e03\u201d\u8fd9\u4e00\u5355\u9897\u7c92\u53d1\u767d\u5149\u7684\u91cf\u5b50\u70b9\u67b6\u6784\uff0c\u56e0\u5176\u5177\u5907\u4e86\u663e\u793a\u6240\u9700\u7684\u6807\u51c6\u7ea2\u7eff\u84dd\u4e09\u57fa\u8272\u53d1\u5149\u4e2d\u5fc3\uff0c\u4e3a\u65e0\u94c5\u3001\u65e0\u9549\u91cf\u5b50\u70b9\u7684\u4e3b\u52a8\u7535\u81f4\u53d1\u5149\u663e\u793a\u6280\u672f\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1a<\/p>\n

Advanced Materials<\/p>\n

High-Color-Rendition White QLEDs by Balancing Red, Green and Blue Centres in Eco-Friendly ZnCuGaS:In#ZnS Quantum Dots<\/p>\n

Jiangyuan Jiang#, Shuai Zhang#*, Qingsong Shan#, Linxiang Yang, Jing Ren, Yongjin Wang, Seokwoo Jeon, Hengyang Xiang*, Haibo Zeng*<\/p>\n

First published: 28 March 2024<\/p>\n

https:\/\/doi.org\/10.1002\/adma.202304772\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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