Zhao Shuangyi, Zhang Yubo, Zang Zhigang
Key Laboratory of Optoelectronic Technology & Systems (Minster of Education), Chongqing University, Chongqing, China.
Chem Commun (Camb). 2020 May 28;56(43):5811-5814. doi: 10.1039/d0cc01193b. Epub 2020 Apr 24.
Herein, we present a two-step method to dope various amounts of Yb into CsPbBrCl QDs at room temperature. It is found that the CsPbBrCl QDs can exhibit strong ∼990 nm near-infrared (NIR light) emission, and the NIR photoluminescence quantum yield (PLQY) is able to reach ∼90% when 10% Yb is doped in the CsPbBrCl QDs.
在此，我们展示了一种在室温下将不同量的镱（Yb）掺杂到CsPbBrCl量子点中的两步法。结果发现，CsPbBrCl量子点可表现出强烈的990纳米近红外（NIR光）发射，当10%的Yb掺杂到CsPbBrCl量子点中时，近红外光致发光量子产率（PLQY）能够达到90%。
