高度稳定的CuInS2@ZnS:Al核壳量子点：铝自钝化的作用
Highly stable CuInS2@ZnS:Al core@shell quantum dots: the role of aluminium self-passivation.
作者信息
Rao Pinhua, Yao Wei, Li Zhichun, Kong Long, Zhang Wenqi, Li Liang
机构信息
School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China.
出版信息
Chem Commun (Camb). 2015 May 25;51(42):8757-60. doi: 10.1039/c5cc01137j.
PMID:25913396
Abstract
A simple approach was introduced to enhance the photostability of CuInS2@ZnS core@shell quantum dots (QDs) by doping aluminium into the ZnS shell. Aluminium in the as-prepared QDs was oxidized to Al2O3, which formed a passivation oxide layer that effectively prevents photo-degradation of QDs during long-term light irradiation.
摘要
通过将铝掺杂到ZnS壳层中，引入了一种简单的方法来提高CuInS2@ZnS核壳量子点（QDs）的光稳定性。所制备量子点中的铝被氧化为Al2O3，形成了一层钝化氧化层，可有效防止量子点在长期光照下发生光降解。
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