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Enhanced Electroluminescence Properties of Tin-based Perovskites by Vitamin C Additives
Cover Story | 更新时间：2024-04-26
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    • Enhanced Electroluminescence Properties of Tin-based Perovskites by Vitamin C Additives

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    • “研究人员对铅基钙钛矿发光二极管（PeLED）的替代品——纯红二维苯乙基碘化锡（PEA2SnI4）钙钛矿进行了深入研究。虽然这种新材料具有高色纯度、宽色域和环境友好等优点，但其薄膜质量较差、发光性能不佳等问题限制了其应用。针对这些问题，研究团队发现了一种维生素C多功能添加剂，它可以降低锡基钙钛矿的结晶速度，改善薄膜质量，并有效抑制Sn2+离子的氧化。这种添加剂的引入，显著降低了锡基钙钛矿薄膜的陷阱密度和非辐射复合率，从而显著提升了纯红光PeLED的发光性能。实验结果显示，加入维生素C后，纯红光PeLED的最大亮度从67.6 cd/m2提高至513.6 cd/m2，最大外量子效率也从0.2%提高至0.68%。这一研究不仅为显示领域提供了潜在的应用价值，也为设计与制备高效锡基钙钛矿发光材料与器件提供了新的思路。该研究成果有望推动钙钛矿发光二极管技术的进一步发展，为未来的固态照明、超高清显示和光通讯等领域带来革命性的变革。”
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    • Chinese Journal of Luminescence   Vol. 45, Issue 4, Pages: 525-533(2024)

    • DOI：10.37188/CJL.20230334    

      CLC： O482.31

    • Published：05 April 2024，

      Received：25 December 2023，

      Revised：15 January 2024，

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  • SHI Junjun,BAI Wenhao,WANG Ruonan,et al.Enhanced Electroluminescence Properties of Tin-based Perovskites by Vitamin C Additives[J].Chinese Journal of Luminescence,2024,45(04):525-533. DOI： 10.37188/CJL.20230334.

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