scholarly journals A MOF-derived ZIF-8@Zn1−xNixO photocatalyst with enhanced photocatalytic activity

RSC Advances ◽  
2017 ◽  
Vol 7 (67) ◽  
pp. 42030-42035 ◽  
Author(s):  
Yanqiu Jing ◽  
Jianan Wang ◽  
Baohua Yu ◽  
Jin Lun ◽  
Yuyuan Cheng ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Doped Zno ◽  
Metal Doped

Today, metal doped ZnO exhibits good performances and attracts worldwide attention.

scholarly journals Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates

Materials ◽  
2020 ◽  
Vol 13 (16) ◽  
pp. 3589
Author(s):  
Ping Rong ◽  
Shuai Ren ◽  
Jianchao Jiang ◽  
Qi Yu ◽  
Liyun Jiang ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Photocatalytic Performance ◽  
Uv Light ◽  
Flexible Substrate ◽  
Flexible Substrates ◽  
Uv Light Irradiation ◽  
Structure Morphology ◽  
Metal Element ◽  
Doped Zno ◽  
Metal Doped

A series of metal element (Al, Fe, Mg and Ni)-doped ZnO (M-ZnO) photocatalysts have been successfully synthesized on graphene-coated polyethylene terephthalate (GPET) flexible substrate via the hydrothermal method. The effects of doped metals in ZnO were also studied on the crystal structure, morphology and photocatalytic performance. The photocatalytic experiment results indicated that, compared with Al-, Mg- and Fe-ZnO/GPET photocatalysts under ultraviolet (UV) light irradiation, Ni-ZnO/GPET had better photocatalytic activity, and the degradation rate of methylene blue (MB) was 81.17%. Meanwhile, the mechanism of enhancing the photocatalytic activity of metal element-doped ZnO is also discussed. It is concluded that, after doping with metal elements, electrons and holes are prevented from recombination by trapping electrons of the ZnO/GPET conductive band, thereby improving the photocatalytic activity.

scholarly journals MOF-derived Co/ZnO@silicalite-1 photocatalyst with high photocatalytic activity

RSC Advances ◽  
2017 ◽  
Vol 7 (61) ◽  
pp. 38519-38525 ◽  
Author(s):  
Xiaobing Yang ◽  
Juan Chen ◽  
Huixian Lai ◽  
Jiapeng Hu ◽  
Ming Fang ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Porous Materials ◽  
High Photocatalytic Activity ◽  
Doped Zno ◽  
Metal Doped

Metal doped ZnO supported on porous materials have unique and highly attractive properties and have drawn worldwide attention.

Sunlight-driven enhanced photocatalytic activity of bandgap narrowing Sn-doped ZnO nanoparticles

2021 ◽  
Author(s):  
Nachimuthu Venkatesh ◽  
Santhan Aravindan ◽  
Karuppathevan Ramki ◽  
Govindhasamy Murugadoss ◽  
Rangasamy Thangamuthu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Zno Nanoparticles ◽  
Bandgap Narrowing ◽  
Doped Zno

Photocatalytic Activity of Fe-Doped ZnO/Montmorillonite Nanocomposite for Degradation of Malachite Green

2015 ◽  
Vol 827 ◽  
pp. 19-24 ◽  
Author(s):  
Nur Afifah ◽  
Nadia Febiana Djaja ◽  
Rosari Saleh
Keyword(s):  
Photocatalytic Activity ◽  
Malachite Green ◽  
Organic Dyes ◽  
Uv Light ◽  
Precipitation Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Spin Resonance ◽  
Doped Zno ◽  
Co Precipitation

In this study, the photocatalytic activity of pure Fe- doped ZnO and Fe- doped ZnO/Montmorillonite nanocomposite has been investigated for the degradation of malachite green under UV light irradiation. Both photocatalysts were synthesized using co-precipitation method and characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, Fourier-transform infrared absorption, and electron spin resonance. The results showed that the photocatalytic efficiency is better in the presence of montmorillonite compared to pure Fe- doped ZnO. To detect the possible reactive species involved in degradation of organic dyes control experiments with introducing scavengers into the solution of organic dyes were carried out. It is found that electron plays an important role in the degradation of malachite green.

The Preparation and Photocatalytic Activity of SWNTs Doped ZnO/TiO2 Compound Films

2010 ◽  
Vol 97-101 ◽  
pp. 1611-1615 ◽  
Author(s):  
Qing Wang ◽  
Xin Li Li ◽  
Wei Nie ◽  
Yong Mei Xia ◽  
Jian Feng Dai
Keyword(s):  
Photocatalytic Activity ◽  
Absorption Spectra ◽  
Sol Gel ◽  
Composite Films ◽  
Wavelength Region ◽  
Tio2 Films ◽  
X Ray Diffraction ◽  
Sol Gel Process ◽  
Doped Zno ◽  
Walled Carbon Nanotubes

The ZnO/TiO2 composite films were deposited over glass using spin coating technique by sol-gel process. Single-walled carbon nanotubes (SWNTs) were used to modify the ZnO/TiO2 films successfully in this paper. The structure and composition of the ZnO/TiO2 composite and SWNTs doped ZnO/TiO2 composite were characterized by X-ray diffraction (XRD). The morphology of samples was characterized by scanning electron microscopy (SEM). The photocatalytic activity was investigated by photocatalytic degradation of aqueous methyl orange under ultraviolet (UV) radiation. The UV-vis absorption spectra of the ZnO/TiO2 films and SWNTs doped ZnO/TiO2 films in the wavelength region 200~800 nm were obtained. The results indicate that the SWNTs addition can decrease the grain size of ZnO/TiO2, which can enhance the photocatalytic activity. UV-vis absorption spectra of SWNTs-ZnO/TiO2 showed obvious blue shifts compared with ZnO/TiO2. The optimal amount of doping SWNTs is 1% according to this research. The enhanced mechanism of the SWNTs for the photocatalytic activity in ZnO/TiO2 films was analyzed in this article.

Magnetism in transition-metal-doped ZnO: A first-principles study

2012 ◽  
Vol 112 (2) ◽  
pp. 023913 ◽  
Author(s):  
Gangxu Gu ◽  
Gang Xiang ◽  
Jia Luo ◽  
Hongtao Ren ◽  
Mu Lan ◽  
...  
Keyword(s):  
Transition Metal ◽  
First Principles ◽  
First Principles Study ◽  
Doped Zno ◽  
Metal Doped

Field effect controlled ferromagnetism in transition metal doped ZnO

2008 ◽  
Author(s):  
E. Bellingeri ◽  
L. Pellegrino ◽  
M. Biasotti ◽  
I. Pallecchi ◽  
G. Canu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Field Effect ◽  
Doped Zno ◽  
Metal Doped

Catalytic destruction of 2,4-D in aqueous environment using transition metal-doped ZnO nanoparticles under ultrasonic waves, UV and visible light

2021 ◽  
Vol 226 ◽  
pp. 137-146
Author(s):  
Roya Ebrahimi ◽  
Afshin Maleki ◽  
Kazem Godini ◽  
Reza Rezaee ◽  
Ali Jafari ◽  
...  
Keyword(s):  
Transition Metal ◽  
Visible Light ◽  
Zno Nanoparticles ◽  
Ultrasonic Waves ◽  
Aqueous Environment ◽  
Catalytic Destruction ◽  
Doped Zno ◽  
Metal Doped
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