Selective fluorescent sensing and photocatalytic properties of three MOFs based on naphthalene-1,4-dicarboxylic acid and 2,4,5-tri(4-pyridyl)-imidazole

2018 ◽  
Vol 42 (5) ◽  
pp. 3551-3559 ◽  
Author(s):  
Jun-Jie Wang ◽  
Ren-Chun Zhang ◽  
Ya-Li Cao ◽  
Yan-Ang Li ◽  
Yi-Ran Wang ◽  
...  
Keyword(s):  
Dicarboxylic Acid ◽  
Photocatalytic Degradation ◽  
Rhodamine B ◽  
High Sensitivity ◽  
Photocatalytic Properties ◽  
Luminescent Probes ◽  
Fluorescent Sensing ◽  
Degradation Activity

Three MOFs display high sensitivity in the detection of NB and Ca2+ or Co2+ ions as luminescent probes. Moreover, 3 exhibits a relatively good photocatalytic degradation activity of rhodamine B.

2D/2D BiOBr/(001)-TiO2 heterojunction toward enhanced photocatalytic degradation activity of Rhodamine B

2021 ◽  
pp. 161064
Author(s):  
Lingfu Yang ◽  
Jin Chen ◽  
Xinwei Liu ◽  
Meidan Que ◽  
Yang Zhao ◽  
...  
Keyword(s):  
Photocatalytic Degradation ◽  
Rhodamine B ◽  
Degradation Activity

Research on the Solvothermal Synthesis and Photocatalytic Properties of Nano-Size ZnO

2013 ◽  
Vol 295-298 ◽  
pp. 503-506
Author(s):  
Da Jiang ◽  
Hong Liang Zhang ◽  
Ji Jie Wang
Keyword(s):  
Photocatalytic Degradation ◽  
Rhodamine B ◽  
Solvothermal Synthesis ◽  
Degradation Rate ◽  
Crystallization Mechanism ◽  
Photocatalytic Properties ◽  
Dimensional Structure ◽  
One Dimensional ◽  
Nano Size

Nano-size ZnO of one dimensional structure was prepared by solvothermal synthesis through dissolution-crystallization mechanism and characterized by TEM and XRD. Moreover, photocatalytic degradation rate of dye Rhodamine B (RhB) at the present of nano-size ZnO were carried out, and the results indicated that the nano-size ZnO prepared by such a method has excellent photocatalytic properties.

Structure and Photocatalytic Properties of Fixed Porous TiO2 Composite Film on Steel Prepared by Plasma Electrolytic Oxidation

2012 ◽  
Vol 217-219 ◽  
pp. 1073-1076
Author(s):  
Yun Long Wang ◽  
Miao Wang ◽  
Mao Sun Xu ◽  
Yue Mei Qin
Keyword(s):  
Composite Film ◽  
Photocatalytic Degradation ◽  
Ultraviolet Light ◽  
Rhodamine B ◽  
Plasma Electrolytic Oxidation ◽  
Film Surface ◽  
Photocatalytic Properties ◽  
Ceramic Film ◽  
Electrolytic Oxidation ◽  
Plasma Electrolytic

TiO2 composite photocatalytic film was fixed on steel by by plasma electrolytic oxidation. The microstructure of the composite film were investigated by XRD, EDS and SEM. The photocatalytic properties of the film were studied by testing the photocatalytic degradation of Rhodamine B. The results showed that the ceramic film was composed of A-TiO2 and R-TiO2. The EDS revealed that the film consisted Ti, O, Si and Fe elements. The SEM pictures showed that the film surface was rough and porous. The photocatalytic experiment results showed that the the TiO2 composite film fixed on steel by plasma electrolytic oxidation exhibited relatively high photocatalytic photodegradation of Rhodamine B, whose removal ratio reached 90% in 2 hours, irradiation of ultraviolet light.

scholarly journals Construction of ZnO/Keggin Polyoxometalate Nano Heterojunction Catalyst For Efficient Removal of Rhodamine B in Aqueous Solution

2021 ◽  
Author(s):  
Ruibo Guo ◽  
Liming Bai ◽  
Guohua Dong ◽  
Dongfeng Chai ◽  
Kun Lang ◽  
...  
Keyword(s):  
Photocatalytic Degradation ◽  
Rhodamine B ◽  
Diffuse Reflection ◽  
Precipitation Method ◽  
Composite Catalyst ◽  
Response Range ◽  
Ft Ir ◽  
Degradation Activity ◽  
Nanocomposite Catalysts ◽  
Adsorption Desorption

Abstract In this paper, we synthesized two novel heterojunction nanocomposite catalysts ZnO/Ag4SiW12O40 and ZnO/Cs3PW12O40 by a simple dissolution-precipitation method. The structure and morphology of the samples were analyzed by XRD, TEM, FT-IR, Raman, UV diffuse reflection, XPS and N2 adsorption desorption isotherm. Compared with pure ZnO, the composite catalyst formed with Ag4SiW12O40(AgSiW) and Cs3PW12O40(CsPW) can significantly improve the problem of fast recombination rate of photogenerated carriers in ZnO, and broaden the response range of ZnO to visible light. Rhodamine B (RhB) was used as a simulated pollutant to investigate the photocatalytic degradation performance of the composite catalyst. The experimental results show that the photocatalytic degradation activity of the prepared composite catalyst is much higher than that of pure ZnO, and the degradation performance of ZnO/Ag4SiW12O40 is stronger. Finally, the possible photocatalytic mechanism of ZnO/Ag4SiW12O40 and ZnO/Cs3PW12O40 heterojunction nanocomposite catalysts was proposed by UV diffuse reflection, free radical capture experiment and Mott Schottky test.

scholarly journals Photocatalytic Activity of Nanosized Cadmium Sulfides Synthesized by Complex Compound Thermolysis

2011 ◽  
Vol 2011 ◽  
pp. 1-5 ◽  
Author(s):  
Yingchun Yu ◽  
Youxian Ding ◽  
Shengli Zuo ◽  
Jianjun Liu
Keyword(s):  
Particle Size ◽  
Photocatalytic Activity ◽  
Ir Spectra ◽  
Photocatalytic Degradation ◽  
Complex Compound ◽  
Rhodamine B ◽  
Molar Ratio ◽  
Cubic Phase ◽  
Phase Structures ◽  
Degradation Activity

The nanosized cadmium sulfides (CdSs) containing different phase structures were synthesized via the complex compound thermolysis method using different molar ratio of thiourea to acetate cadmium (S/Cd) and characterized by XRD, TEM, UV-Vis, and IR spectra. The results of photocatalytic degradation of rhodamine B (RB) show that the activity order of CdS concerning the phase compositions is of cubic>hexagonal>cubic + hexagonal, where the CdS with the cubic phase has the best photocatalytic degradation activity of RB due to its larger abilities of adsorption and absorbance and smaller particle size of about 10∼13 nm.

A 3D 2-fold interpenetrating Cu(II) coordination polymer based on 4,4′-oxybis(benzoic acid) and 1,3-bis(2-methyl-imidazol-1-yl) benzene exhibiting photocatalytic properties

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Shan-Bao Qiao
Keyword(s):  
Methylene Blue ◽  
Coordination Polymer ◽  
Benzoic Acid ◽  
Rhodamine B ◽  
Photocatalytic Properties

Abstract A new Cu(II) complex, [Cu2(1,3-BMIB)(OBA)2] n (1) (1,3-BMIB = 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene, H2OBA = 4,4′-oxybis(benzoic acid)) was hydrothermally synthesized and has been structurally characterized. Complex 1 possesses a 3D 2-fold interpenetrating framework based on [Cu(OBA)] n layers with a Schläfli symbol {412.63}. Complex 1 displays excellent photocatalytic properties in the degradation of methylene blue (MB) and rhodamine B (RhB).

Sign in / Sign up

Export Citation Format

Share Document