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

doi:10.1088/1674-1056/27/8/086102

中国物理B ›› 2018, Vol. 27 ›› Issue (8): 86102-086102.doi: 10.1088/1674-1056/27/8/086102

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

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

Jun-Lian Chen(陈军联), Neena Devi, Na Li(李娜), De-Jun Fu(付德君), Xian-Wen Ke(柯贤文)

1 School of Printing and Packaging, Wuhan University, Wuhan 430072, China;
2 Hubei Key Laboratory of Nuclear Solid Physics and School of Physics and Technology, Wuhan University, Wuhan 430072, China

收稿日期:2018-04-11 修回日期:2018-05-08 出版日期:2018-08-05 发布日期:2018-08-05
通讯作者: De-Jun Fu E-mail:djfu@whu.edu.cn
基金资助:
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).

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

Jun-Lian Chen(陈军联)^1,2, Neena Devi², Na Li(李娜)^1,2, De-Jun Fu(付德君)², Xian-Wen Ke(柯贤文)¹

1 School of Printing and Packaging, Wuhan University, Wuhan 430072, China;
2 Hubei Key Laboratory of Nuclear Solid Physics and School of Physics and Technology, Wuhan University, Wuhan 430072, China

Received:2018-04-11 Revised:2018-05-08 Online:2018-08-05 Published:2018-08-05
Contact: De-Jun Fu E-mail:djfu@whu.edu.cn
Supported by:
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).

摘要/Abstract

摘要：

Undoped and praseodymium-doped zinc oxide (Pr-doped ZnO) (with 2.0-mol%-6.0-mol% Pr) nanoparticles as sunlight-driven photocatalysts are synthesized by means of co-precipitation with nitrates followed by thermal annealing. The structure, morphology, and chemical bonding of the photocatalysts are studied by x-ray diffraction (XRD), scanning electron microscopy (SEM) with energy dispersive x-ray emission spectroscopy (EDS), x-ray photoelectron spectroscopy (XPS), and Fourier transform infrared spectroscopy (FTIR), respectively. The optical properties are studied by photoluminescence (PL) and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). We find that Pr doping does not change the crystallinity of ZnO; but it reduces the bandgap slightly, and restrains the recombination of the photogenerated electron-hole pairs. The photocatalytic performance of the photocatalysts is investigated by the photodegradation reaction of 10-mg/L rhodamine B (RhB) solution under simulated sunlight irradiation, showing a degradation rate of 93.75% in ZnO doped with 6.0-mol% Pr.

关键词: ZnO, Pr-doped, photocatalytic activity

Abstract:

Key words: ZnO, Pr-doped, photocatalytic activity

中图分类号: (III-V and II-VI semiconductors)

61.72.uj

82.45.Jn (Surface structure, reactivity and catalysis) 82.45.-h (Electrochemistry and electrophoresis)

陈军联, Neena Devi, 李娜, 付德君, 柯贤文. Synthesis of Pr-doped ZnO nanoparticles: Their structural, optical, and photocatalytic properties[J]. 中国物理B, 2018, 27(8): 86102-086102.

Jun-Lian Chen(陈军联), Neena Devi, Na Li(李娜), De-Jun Fu(付德君), Xian-Wen Ke(柯贤文). Synthesis of Pr-doped ZnO nanoparticles: Their structural, optical, and photocatalytic properties[J]. Chin. Phys. B, 2018, 27(8): 86102-086102.

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

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

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