Synthesis of Pr-doped ZnO nanoparticles: Their structural, optical, and photocatalytic properties<xref rid="cpb_27_8_086102_fn1" ref-type="fn">*</xref><fn id="cpb_27_8_086102_fn1"><label>*</label><p>Project supported by the International Cooperation Program of the Ministry of Science and Technology of China (Grant No. 2015DFR00720), the Cooperation Program of Wuhan Science and Technology Bureau, China (Grant No. 2016030409020219), and the Shenzhen Committee on Science and Technology Innovation, China (Grant No. JCYJ20170818112901473).</p></fn>

Synthesis of Pr-doped ZnO nanoparticles: Their structural, optical, and photocatalytic properties**

Project supported by the International Cooperation Program of the Ministry of Science and Technology of China (Grant No. 2015DFR00720), the Cooperation Program of Wuhan Science and Technology Bureau, China (Grant No. 2016030409020219), and the Shenzhen Committee on Science and Technology Innovation, China (Grant No. JCYJ20170818112901473).

Chen Jun-Lian^{1, 2}, Devi Neena², Li Na^{1, 2}, Fu De-Jun^{2, †}, Ke Xian-Wen¹

(color online) (a) XPS survey of 2.0-mol% Pr-doped ZnO, core level spectra of (b) Zn 2p, (c) O 1s, and (d) Pr 3d.