当前位置：首页>郑州>AFM:钝化剂TBA!郑州大学王子瑜&中科院化学所宋延林基于协同配位与氢键作用的多功能界面钝化策略用于高效稳定反式钙钛矿太阳能电池

AFM:钝化剂TBA!郑州大学王子瑜&中科院化学所宋延林基于协同配位与氢键作用的多功能界面钝化策略用于高效稳定反式钙钛矿太阳能电池

  • 2026-03-31 15:09:02
AFM:钝化剂TBA!郑州大学王子瑜&中科院化学所宋延林基于协同配位与氢键作用的多功能界面钝化策略用于高效稳定反式钙钛矿太阳能电池

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‍大家好，欢迎关注和星标钙钛矿学习与交流！钙钛矿/电子传输层（ETL）界面处的界面缺陷与能级排列失配，仍是制约反式钙钛矿太阳能电池（PSCs）光电转换效率与运行稳定性的关键瓶颈。在此，郑州大学王子瑜&中国科学院化学研究所宋延林团队开发了一种基于4,6 - 二羟基 - 2 - 巯基嘧啶（TBA）的多功能界面钝化策略，可同时调控缺陷态与界面能级结构。并于2026年3月20日在《Advanced Functional Materials》发表题为：Multifunctional Interfacial Passivation via Cooperative Coordination and Hydrogen Bonding for Highly Efficient and Stable Inverted Perovskite Solar Cells的研究成果！得益于分子内羟基与巯基双官能团，TBA 能与低配位的铅离子（Pb²⁺）形成强多齿配位作用，同时与甲脒阳离子（FA⁺）构建稳固氢键，从而在钙钛矿表面实现位点选择性锚定。这种配位 - 氢键协同作用可有效降低界面缺陷态密度、抑制非辐射复合，并优化钙钛矿 / 电子传输层界面的能级排列。经 TBA 修饰的反式钙钛矿太阳能电池实现了25.31%的冠军光电转换效率（PCE），同时开路电压显著提升，且电流 - 电压（J-V）滞后效应可忽略不计。此外，TBA 改性器件的热稳定性与运行稳定性大幅提升：在 45℃氮气氛围下进行 1000 小时最大功率点追踪后，仍能保持初始效率的90.4%。本研究证实，多功能分子钝化可同步提升反式钙钛矿太阳能电池的效率与耐用性，具有重要应用价值。
研究背景与问题
反式（p-i-n）钙钛矿太阳能电池（PSCs）具备低温加工、柔性兼容等优势，但钙钛矿 / 电子传输层（ETL）界面缺陷与能级排列不匹配，导致非辐射复合严重、效率与稳定性受限。传统单官能团钝化剂存在缺陷覆盖不足、界面结合力弱等问题，难以同时实现高效缺陷钝化与能级优化。
研究方案设计
选用4,6 - 二羟基 - 2 - 巯基嘧啶（TBA）作为多功能界面钝化剂，采用溶液后处理法沉积于钙钛矿与 PCBM 界面，利用分子中羟基（-OH）与巯基（-SH）双官能团，构建多齿配位 + 氢键协同作用体系。
器件结构：FTO/4PADCB /钙钛矿/ TBA/PCBM/BCP/Ag
最优浓度：1.0 mg/mL
作用机制
BA 依靠分子中的羟基（-OH）和巯基（-SH）双官能团，形成双重作用：
一是与钙钛矿表面低配位Pb²⁺形成强多齿配位键，钝化铅相关缺陷；
二是与甲脒阳离子（FA⁺）形成氢键，稳定有机组分，协同抑制非辐射复合、优化界面能级排列。
器件类型
Voc
Jsc
FF
PCE
滞后指数
对照组
1.130
25.51
80.46
23.19
2.34%
TBA 改性
1.177
25.94
82.84
25.31
1.28%

图文速览

作者：Bo Zhang, Mengyuan Li, Ling Li, Wanyun Zhang, Yanlin Song, Ziyu Wang

查看原文（点击底部阅读原文跳转）：

https://doi.org/10.1002/adfm.75040

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.001029s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001362s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.011345s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002765s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001400s ]
  6. SELECT * FROM `set` [ RunTime:0.002313s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001536s ]
  8. SELECT * FROM `article` WHERE `id` = 500882 LIMIT 1 [ RunTime:0.005513s ]
  9. UPDATE `article` SET `lasttime` = 1775251724 WHERE `id` = 500882 [ RunTime:0.035654s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002696s ]
  11. SELECT * FROM `article` WHERE `id` < 500882 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.015414s ]
  12. SELECT * FROM `article` WHERE `id` > 500882 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.061840s ]
  13. SELECT * FROM `article` WHERE `id` < 500882 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.020066s ]
  14. SELECT * FROM `article` WHERE `id` < 500882 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.013451s ]
  15. SELECT * FROM `article` WHERE `id` < 500882 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006170s ]
0.347300s