Controllable preparation of CuO/Cu2O composite particles with enhanced photocatalytic performance

被引：9
作者：
Jiang, Qing [1 ]
Jiang, Jiajie [1 ]
Deng, Runkang [1 ]
Xie, Xinyuan [1 ]
Meng, Jianxin [1 ]
机构：
[1] Jinan Univ, Dept Chem, Guangzhou 510632, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2020年 / 44卷 / 16期
关键词：
RHODAMINE-B; DEGRADATION; NANOSTRUCTURES; NANOPARTICLES; MECHANISM; OXIDE;
D O I：
10.1039/d0nj00090f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, copper-based oxide (CuO/Cu2O, Cu2O, Cu2O/Cu, and Cu) nano/micron particles were prepared in polyethylene glycol (PEG)-400 with copper acetate (Cu(CH3COO)(2)center dot H2O) as a raw material by a one-step thermal decomposition method. The effects of the reaction time on the valence state, composition, morphology and particle size of the products were investigated. The results show that PEG-400 acted as a modifier and reductant in the system, reducing the copper source from Cu(ii) through Cu(i) to elemental Cu. Cu-Based nanocomposites with different valence states were formed at different time points. The photocatalytic activity of the products decreased with the increase of the particle size and the width of the band gap. The CuO/Cu2O composites exhibited as high as 97% (0.0485 g g(-1)) photocatalytic degradation of rhodamine B (RhB) in 5 minutes under visible light in the presence of H2O2. This simple and green method can be used to tune the composition of copper-based oxide nanocomposites with excellent performance and is suitable for scaling up.
引用
收藏
页码：6369 / 6374
页数：6
相关论文
共 23 条
[1]   Polystyrene CuO/Cu2O uniform films inducing MB-degradation under sunlight [J].
Baghriche, O. ;
Rtimi, S. ;
Pulgarin, C. ;
Kiwi, J. .
CATALYSIS TODAY, 2017, 284 :77-83
[2]   Tuning the CuxO nanorod composition for efficient visible light induced photocatalysis [J].
Basnet, Pradip ;
Zhao, Yiping .
CATALYSIS SCIENCE & TECHNOLOGY, 2016, 6 (07) :2228-2238
[3]   Ultrasensitive Detection of VOCs Using a High-Resolution CuO/Cu2O/Ag Nanopattern Sensor [J].
Choi, Yoon Mi ;
Cho, Soo-Yeon ;
Jang, Doohyung ;
Koh, Hyung-Jun ;
Choi, Junghoon ;
Kim, Chong-Hyeak ;
Jung, Hee-Tae .
ADVANCED FUNCTIONAL MATERIALS, 2019, 29 (09)
[4]   Low-temperature solution synthesis of CuO/Cu2O nanostructures for enhanced photocatalytic activity with added H2O2: synergistic effect and mechanism insight [J].
Deng, Xiaolong ;
Wang, Chenggang ;
Shao, Minghui ;
Xu, Xijin ;
Huang, Jinzhao .
RSC ADVANCES, 2017, 7 (08) :4329-4338
[5]   Convenient architectures of Cu2O/SnO2 type II p-n heterojunctions and their application in visible light catalytic degradation of rhodamine B [J].
Joshi, Shravanti ;
Ippolito, Samuel J. ;
Sunkara, Manorama V. .
RSC ADVANCES, 2016, 6 (49) :43672-43684
[6]   Size-Dependent Visible Light Photocatalytic Performance of Cu2O Nanocubes [J].
Karthikeyan, Sekar ;
Kumar, Santosh ;
Durndell, Lee J. ;
Isaacs, Mark A. ;
Parlett, Christopher M. A. ;
Coulson, Ben ;
Douthwaite, Richard E. ;
Jiang, Zhi ;
Wilson, Karen ;
Lee, Adam F. .
CHEMCATCHEM, 2018, 10 (16) :3554-3563
[7]   Synthesis of CuO and Cu2O nano/microparticles from a single precursor: effect of temperature on CuO/Cu2O formation and morphology dependent nitroarene reduction [J].
Kumar, V. Vinod ;
Dharani, A. ;
Mariappan, Mariappan ;
Anthony, Savarimuthu Philip .
RSC ADVANCES, 2016, 6 (88) :85083-85090
[8]   Photoelectrocatalytic Properties and Reaction Mechanism of (Ni-Mo)/TiO2 Film Electrode for Degradation of Rhodamine B at Negative Bias [J].
Li Aichang ;
Li Jianfei ;
Liu Yalu ;
Zhang Jianping ;
Zhao Liping ;
Lu Yanhong .
ACTA CHIMICA SINICA, 2013, 71 (05) :815-821
[9]   High humidity enhanced surface acoustic wave (SAW) H2S sensors based on sol-gel CuO films [J].
Li, Dengji ;
Zu, Xiaotao ;
Ao, Dongyi ;
Tang, Qingbo ;
Fu, YongQing ;
Guo, Yuanjun ;
Bilawal, Khan ;
Faheem, M. Bilal ;
Li, Li ;
Li, Sean ;
Tang, Yongliang .
SENSORS AND ACTUATORS B-CHEMICAL, 2019, 294 :55-61
[10]   CuxO self-assembled mesoporous microspheres with effective surface oxygen vacancy and their room temperature NO2 gas sensing performance [J].
Li, Siyuan ;
Wang, Mengting ;
Li, Chaozheng ;
Liu, Jiajia ;
Xu, Meng ;
Liu, Jia ;
Zhang, Jiatao .
SCIENCE CHINA-MATERIALS, 2018, 61 (08) :1085-1094
123