Cyclodextrin-mediated colloidal synthesis of highly luminescent and stable CsPbBr3perovskite nanocrystals

被引：6
|
作者：
Guo, Fang [1 ]
Wang, Yu-Yue [2 ]
Zhang, Jie [1 ]
Wei, Xiao-Lan [2 ]
Mo, Zhi-Hong [1 ]
机构：
[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 401331, Peoples R China
[2] Chongqing Technol & Business Univ, Coll Environm & Resources, Chongqing Key Lab Catalysis & Funct Organ Mol, Chongqing 400067, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2020年 / 44卷 / 40期
基金：
中国国家自然科学基金;
关键词：
PEROVSKITE NANOCRYSTALS; CHEMISTRY; BINDING; CSPBX3;
D O I：
10.1039/d0nj03772a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Colloidal cesium lead bromide perovskite nanocrystals (CsPbBr3PNCs) were synthesized using cyclodextrins (CDs) as a sole ligand at room-temperature. Compared to the conventional synthesis using the combinatorial ligand of oleic acid and oleylamine, the alpha-CD-mediated synthesis yielded PNCs with a greater productivity, a higher photoluminescence quantum yield (85%), and longer resistances to moisture, heat and laser irradiation. The reason for this phenomenon arises from strong interactions between the CD hydroxyl groups and the perovskite metal ions. Using the non-toxic and low-cost CDs, the synthesis of colloidal PNCs is more economic and eco-friendly than ever.
引用
收藏
页码：17368 / 17373
页数：6
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