SnS<sub>2</sub> quantum dots: Facile synthesis, properties, and applications in ultraviolet photodetector<xref rid="cpb_28_3_037801fn1" ref-type="fn">*</xref><fn id="cpb_28_3_037801fn1"><label>*</label><p>Project supported by the Equipment Pre-research Fund under the Equipment Development Department (EDD) of China’s Central Military Commission (CMC) (Grant No. 1422030209), the Innovation Team Program of China North Industries Group Corporation Limited (NORINCO) Group (Grant No. 2017CX024), and the National Natural Science Foundation of China (Grant Nos. 61106098 and 11864044).</p></fn>

SnS₂ quantum dots: Facile synthesis, properties, and applications in ultraviolet photodetector**

Project supported by the Equipment Pre-research Fund under the Equipment Development Department (EDD) of China’s Central Military Commission (CMC) (Grant No. 1422030209), the Innovation Team Program of China North Industries Group Corporation Limited (NORINCO) Group (Grant No. 2017CX024), and the National Natural Science Foundation of China (Grant Nos. 61106098 and 11864044).

Li Yao¹, Tang Libin^{1, 2, †}, Li Rujie^{2, 3}, Xiang Jinzhong^{1, ‡}, Teng Kar Seng⁴, Lau Shu Ping⁵

(a) The PL spectra of SnS₂ QDs aqueous solution excited by various wavelengths and corresponding normalized PL spectra of the SnS₂ QDs. (b) The PLE spectra of SnS₂ QDs aqueous solution and normalized PLE spectra of the SnS₂ QDs. (c) EDS spectrum and SEM image of the SnS₂ QDs on a Si substrate (inset: SEM image). (d) The full-scan XPS spectrum of SnS₂ QDs. (e) The XPS S 2p spectrum of the SnS₂ QDs. (f) The XPS Sn 3d spectrum of the SnS₂ QDs.