Synthesis of C–N dual-doped Cr2O3 visible light-driven photocatalysts derived from metalorganic framework (MOF) for cyclohexane oxidation

RSC Advances ◽  
2016 ◽  
Vol 6 (88) ◽  
pp. 84871-84881 ◽  
Author(s):  
Hui Wang ◽  
Ying Zhang ◽  
Limei Zhang ◽  
Yanying Guo ◽  
Suyan Liu ◽  
...  
Keyword(s):  
Carbon Source ◽  
Visible Light ◽  
Nitrogen Atmosphere ◽  
Cyclohexane Oxidation ◽  
Step Method ◽  
Metalorganic Framework ◽  
Visible Light Driven ◽  
Subsequent Calcination

A series of novel C–N dual-doped Cr2O3 photocatalysts were synthesized from MIL-101(Cr), using a two-step method, including initial carbonization in nitrogen atmosphere without adding any carbon source and subsequent calcination in air.

Low cost visible light driven plasmonic Ag–AgBr/BiVO4 system: fabrication and application as an efficient photocatalyst

RSC Advances ◽  
2015 ◽  
Vol 5 (50) ◽  
pp. 39651-39656 ◽  
Author(s):  
Yan Sang ◽  
Yan Huang ◽  
Wu wang ◽  
Zhen Fang ◽  
Baoyou Geng
Keyword(s):  
Visible Light ◽  
Low Cost ◽  
Organic Dye ◽  
Step Method ◽  
Plasmonic Photocatalyst ◽  
Visible Light Driven

BiVO4 supported Ag–AgBr heterostructures were fabricated by a designed three-step method and then used as an efficient visible light driven plasmonic photocatalyst to degrade organic dye.

Dye-sensitized polyoxometalate for visible-light-driven photoelectrochemical cells

2015 ◽  
Vol 44 (32) ◽  
pp. 14354-14358 ◽  
Author(s):  
Junkuo Gao ◽  
Jianwei Miao ◽  
Yongxin Li ◽  
Rakesh Ganguly ◽  
Yang Zhao ◽  
...  
Keyword(s):  
Visible Light ◽  
Organic Dye ◽  
Photoelectrochemical Cells ◽  
Step Method ◽  
Dye Sensitized ◽  
Visible Light Driven ◽  
One Step ◽  
Photo Response

A simple and facile one-step method for the synthesis of an organic dye-functionalized polyoxometalate (POM) hybrid with visible-light photo-response was reported.

Visible light driven photocatalytic degradation of organic pollutants via carbon quantum dots/TiO2

2021 ◽  
Author(s):  
Kunjie Wang ◽  
lei liang ◽  
Yi Zheng ◽  
Hongxia Li ◽  
Xiaohui Niu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Carbon Source ◽  
Visible Light ◽  
Photocatalytic Degradation ◽  
Hydrothermal Treatment ◽  
Organic Pollutants ◽  
Carbon Quantum Dots ◽  
Olive Leaf ◽  
Visible Light Driven

Using olive leaf as the carbon source, carbon quantum dots (CQDs) with up-conversion luminescence were prepared via reflux method. Through a hydrothermal treatment, CQDs were loaded up on the surface...

Durable visible light self-cleaning surfaces imparted by TiO2/SiO2/GO photocatalyst

2018 ◽  
Vol 89 (4) ◽  
pp. 517-527 ◽  
Author(s):  
Jing Gao ◽  
Wandi Li ◽  
Xinzhe Zhao ◽  
Lu Wang ◽  
Ning Pan
Keyword(s):  
Graphene Oxide ◽  
Visible Light ◽  
Gentian Violet ◽  
Light Illumination ◽  
Step Method ◽  
Stain Removal ◽  
Visible Light Illumination ◽  
Visible Light Driven ◽  
One Step ◽  
Self Cleaning

This research intends to enhance the photocatalytic efficiency and durability of substrates coated with TiO2-based nanocomposites under visible light illumination. More specifically, TiO2/SiO2/graphene oxide nanocomposites are successfully sono-synthesized and sono-fabricated onto a polymeric fabric through a facile one-step method. The morphologies, phase structures and optical properties of the samples are studied. The photocatalytic activity of the functionalized samples is assessed through a gentian violet stain removal test and then photodecomposition of methylene blue under visible light, and tested again after 10 washes to check on its durability. It is corroborated that TiO2/SiO2/graphene oxide nanocomposites have shown significantly better visible light self-cleaning performance than just using the pure TiO2 alone. In addition, even after 10 washes, the samples virtually maintain the functionality. Herein, sono-synthesis of TiO2/SiO2/graphene oxide represents a remarkable step forward in visible light-driven self-cleaning treatment for flexible materials and, hence, holds a great potential for commercialization.

Enhancing visible light photocatalytic activity of BiOBr/rod-like BiPO4 through a heterojunction by a two-step method

RSC Advances ◽  
2015 ◽  
Vol 5 (78) ◽  
pp. 63930-63935 ◽  
Author(s):  
Hongjie Dong ◽  
Zhenzhu Cao ◽  
Ruyi Shao ◽  
Yang Xiao ◽  
Weiyan He ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Precipitation Method ◽  
Step Method ◽  
Visible Light Photocatalytic Activity ◽  
Molar Ratios ◽  
Visible Light Driven ◽  
Visible Light Photocatalytic

Visible light driven BiOBr/rod-like BiPO4 composites with different BiOBr to BiPO4 molar ratios were fabricated via a facile deposition-precipitation method.

Enhanced Visible-Light Driven Photocatalytic Performances Over LaFeO3/NiO Modified Porous g-C3N4 Nanosheets

NANO ◽  
2020 ◽  
Vol 15 (01) ◽  
pp. 2050010
Author(s):  
Ke Xu ◽  
Xiaosheng Yang ◽  
Dagao Sun ◽  
Xin Yang ◽  
Yumei Zhou ◽  
...  
Keyword(s):  
Visible Light ◽  
Separation Efficiency ◽  
Step Method ◽  
Intimate Contact ◽  
Time Resolved ◽  
Exciton Lifetime ◽  
Visible Light Driven ◽  
Degradation Reaction ◽  
Photocatalytic Performances ◽  
Photocatalytic Reactions

LaFeO3/NiO modified g-C3N4 nanosheets (L-N/CNS) were synthesized by a two-step method. HRTEM results showed that an intimate contact between LaFeO3, NiO and N-CNS was successfully established. Ninety percent of phenol was degraded within 120[Formula: see text]min, and the hydrogen evolution rate of 171.2[Formula: see text][Formula: see text]mol[Formula: see text]h[Formula: see text][Formula: see text]g[Formula: see text] was obtained over the L-N/CNS heterojunctions under the visible-light irradiation. It was higher than that of g-C3N4 nanosheets, NiO modified g-C3N4 and LaFeO3/g-C3N4. The[Formula: see text][Formula: see text][Formula: see text]O[Formula: see text] radicals acted the crucial role in the photocatalytic degradation reaction. EIS, PL and time-resolved fluorescence spectra demonstrated that L-N/CNS possessed the highest charge separation efficiency. The intimate contact between LaFeO3, NiO and g-C3N4 nanosheets promoted the separation and transfer of photo-induced electron–hole pairs and consequently prolonged the exciton lifetime, and implied more photo-induced electrons could be probably involved in the photocatalytic reactions on the surface of photocatalysts. Thus, the visible-light driven photocatalytic performances of L-N/CNS were effective. This work provided a feasible method to design and construct heterostructures for the exploitation of solar energy.

Photochemical deposition of amorphous MoSx on one-dimensional NaNbO3–CdS heterojunction photocatalysts for highly efficient visible-light-driven hydrogen evolution

2020 ◽  
Vol 49 (26) ◽  
pp. 8891-8900
Author(s):  
Jiawei Zhu ◽  
Jingjing Xu ◽  
Xiaoyu Du ◽  
Qiuhong Li ◽  
Yihang Fu ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Step Method ◽  
One Dimensional ◽  
Highly Efficient ◽  
Photochemical Deposition ◽  
Visible Light Driven ◽  
Deposition Step

A novel ternary MoSx–CdS–NaNbO3 (MoSx–CN) photocatalyst was successfully fabricated through a two-step method (hydrothermal synthesis and photo-deposition step).

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