Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots<xref rid="cpb_27_12_127303_fn1" ref-type="fn">*</xref><fn id="cpb_27_12_127303_fn1"><label>*</label><p>Project supported by the Natural Science Foundation of Shandong Province, China (Grant No. ZR2017PF011), the National Natural Science Foundation of China (Grant No. E020701), and the Doctoral Scientific Research Foundation of Binzhou University, China (Grant No. 2014Y10).</p></fn>

Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots**

Project supported by the Natural Science Foundation of Shandong Province, China (Grant No. ZR2017PF011), the National Natural Science Foundation of China (Grant No. E020701), and the Doctoral Scientific Research Foundation of Binzhou University, China (Grant No. 2014Y10).

Liu Ni^{1, †}, Li Shu-Xin², Ye Ying-Chun¹, Yao Yan-Li¹

(color online) XPS survey spectrum of (a) ZnSe/ZnS–COOH QDs and (c) ZnSe/ZnS–NH₂ QDs; TEM images of (b) ZnSe/ZnS–COOH QDs and (d) ZnSe/ZnS–NH₂ QDs. Inset: corresponding selective area electron diffraction (SAED) pattern of two QDs; ((b) and (d)) (upper) images of ZnSe/ZnS–COOH and ZnSe/ZnS–NH₂ QDs in solution under visible (left) and UV light (right).