scholarly journals A Bi7.38Cr0.62O12+x crystal as a novel visible-light-active photocatalyst up to ∼650 nm

RSC Advances ◽  
2017 ◽  
Vol 7 (46) ◽  
pp. 28797-28801 ◽  
Author(s):  
W. X. Liao ◽  
X. L. Zhao ◽  
T. S. Wang

A new type of Bi-based p-type semiconductor, Bi7.38Cr0.62O12+x, has a strong photoelectric response until 647.4 nm and an excellent photocatalytic activity for decomposition and O2 production.

2015 ◽  
Vol 44 (24) ◽  
pp. 11155-11164 ◽  
Author(s):  
Gui-Mei Shi ◽  
Bin Zhang ◽  
Xin-Xin Xu ◽  
Yan-Hong Fu

GO/CPNB was fabricated successfully, which displays excellent photocatalytic activity in visible light. Furthermore, the influence of GO on photocatalytic activity is discussed.


2015 ◽  
Vol 39 (4) ◽  
pp. 2917-2924 ◽  
Author(s):  
Shasha Yi ◽  
Xinzheng Yue ◽  
Dandan Xu ◽  
Zhipeng Liu ◽  
Fei Zhao ◽  
...  

The high-efficiency separation of photo-generated charges provides a catalyst with excellent photocatalytic activity.


RSC Advances ◽  
2015 ◽  
Vol 5 (21) ◽  
pp. 16376-16385 ◽  
Author(s):  
Sheng-Qi Guo ◽  
Meng-Meng Zhen ◽  
Mei-Qing Sun ◽  
Xiao Zhang ◽  
Ya-Ping Zhao ◽  
...  

A new type of hierarchical WO3·H2O hollow microsphere, whose formation was successfully controlled based on the reaction system for preparing simple nanoplates, showed excellent photocatalytic activity for the degradation of dye under visible light.


2019 ◽  
Vol 8 (3) ◽  
pp. 3261-3269 ◽  
Author(s):  
Muhammad Yousaf Khan ◽  
Manzoor Ahmad ◽  
Sana Sadaf ◽  
Saleem Iqbal ◽  
Faisal Nawaz ◽  
...  

2016 ◽  
Vol 4 (8) ◽  
pp. 2936-2942 ◽  
Author(s):  
Geetu Sharma ◽  
Zeqiong Zhao ◽  
Pranab Sarker ◽  
Benjamin A. Nail ◽  
Jiarui Wang ◽  
...  

As a visible light active p-type semiconductor, CuBi2O4 is of interest as a photocatalyst for the generation of hydrogen fuel from water.


NANO ◽  
2014 ◽  
Vol 09 (02) ◽  
pp. 1450017 ◽  
Author(s):  
XINLIN LIU ◽  
YANFENG TANG ◽  
CHANGCHANG MA ◽  
YAN YAN ◽  
PENG LV ◽  
...  

A new-type photocatalyst of cadmium sulfide carbon nanotubes ( CdS /CNTs) was prepared by the hydrothermal method. This as-prepared CdS /CNTs composite photocatalyst was proved to exhibit an excellent photocatalytic activity for degradation of tetracycline (TC). Specially, the 95%- CdS –5%-CNTs composite photocatalyst played the best degradation rate (81.2%) in 60 min under the visible light irradiation. Moreover, this 95%- CdS –5%-CNTs composite photocatalyst possessed great stability and could be used at least four cycles with almost no loss of photocatalytic efficiency. Furthermore, the as-synthesized CdS /CNTs composite photocatalyst was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-Vis diffused reflectance spectra (UV-Vis), Raman and thermal gravimetry (TG). In addition, the possible mechanism and kinetics of photodegradation of TC with CdS /CNTs photocatalyst was also discussed.


2015 ◽  
Vol 44 (5) ◽  
pp. 2267-2275 ◽  
Author(s):  
Tingting Lu ◽  
Xinxin Xu ◽  
Huili Li ◽  
Zhenyu Li ◽  
Xia Zhang ◽  
...  

NCC/POM/ACF composite material was successfully fabricated, and displays excellent photocatalytic activity in visible light.


2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Min Liu ◽  
Hongmei Li ◽  
Yangsu Zeng

Tungsten trioxide (WO3) was surface modified with Cu(II) nanoclusters and titanium dioxide (TiO2) nanopowders by using a simple impregnation method followed by a physical combining method. The obtained nanocomposites were studied by scanning electron microscope, X-ray photoelectron spectroscopy spectra, UV-visible light spectra, and photoluminescence, respectively. Although the photocatalytic activity of WO3was negligible under visible light irradiation, the visible light photocatalytic activity of WO3was drastically enhanced by surface modification of Cu(II) nanoclusters and TiO2nanopowders. The enhanced photocatalytic activity is due to the efficient charge separation by TiO2and Cu(II) nanoclusters functioning as cocatalysts on the surface. Thus, this simple strategy provides a facile route to prepare efficient visible-light-active photocatalysts for practical application.


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