A novel Ce(IO3)4 catalyst: Facile preparation and high activity in degradation of organic dyes without light irradiation at room temperature

2017 ◽  
Vol 100 ◽  
pp. 33-39 ◽  
Author(s):  
Jiayin Li ◽  
Xinping Ma ◽  
Caixian Zhao ◽  
Fujun Lan ◽  
Feng Chen ◽  
...  
2016 ◽  
Vol 77 ◽  
pp. 26-31 ◽  
Author(s):  
Jiayin Li ◽  
Caixian Zhao ◽  
Fujun Lan ◽  
Feng Chen ◽  
Chunlin Teng ◽  
...  

2009 ◽  
Vol 60 (4) ◽  
pp. 917-926 ◽  
Author(s):  
Jun Wang ◽  
Jia Li ◽  
Bin Liu ◽  
Yingpeng Xie ◽  
Guangxi Han ◽  
...  

In this work, an upconversion luminescence agent, crystallized Er3 + :YAlO3, was synthesized and then coated by the nano-sized TiO2 film through sol–gel technique. A novel TiO2 photocatalyst, Er3 + :YAlO3/TiO2, with high activity in visible light was subsequently prepared. The Er3 + :YAlO3 and Er3 + :YAlO3/TiO2 were characterized by X-ray diffraction (XRD) and transmission electron microscope (TEM). The photocatalytic activity of Er3 + :YAlO3/TiO2 photocatalyst was tested by the degradation of acid red B in aqueous solution as the primary model compound under visible light irradiation. The experimental results proved that the prepared TiO2-coated crystallized Er3 + :YAlO3 was able to decompose the acid red B efficiently, and it is promising to use the idea to develop new TiO2 photocatalyst with high activity for photocatalytic degradation under visible light.


2020 ◽  
Author(s):  
Katsuya Maruyama ◽  
Takashi Ishiyama ◽  
Yohei Seki ◽  
Kounosuke Oisaki ◽  
Motomu Kanai

A novel Tyr-selective protein bioconjugation using the water-soluble persistent iminoxyl radical is described. The conjugation proceeded with high Tyr-selectivity and short reaction time under biocompatible conditions (room temperature in buffered media under air). The stability of the conjugates was tunable depending on the steric hindrance of iminoxyl. The presence of sodium ascorbate and/or light irradiation promoted traceless deconjugation, restoring the native Tyr structure. The method is applied to the synthesis of a protein-dye conjugate and further derivatization to azobenzene-modified peptides.


CrystEngComm ◽  
2021 ◽  
Author(s):  
Panbing Hu ◽  
Yanmei Xin ◽  
Congfei Yao ◽  
Yuqing Miao

The In2S3/BiOI composites were synthesized at room temperature which significantly improved the photocatalytic degradation performance of tetracycline hydrochloride (TC) under visible light irradiation. Structure and morphology characterization have been performed...


Catalysts ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 117
Author(s):  
Zahir Muhammad ◽  
Farman Ali ◽  
Muhammad Sajjad ◽  
Nisar Ali ◽  
Muhammad Bilal ◽  
...  

Degradation of organic dyes and their byproducts by heterogeneous photocatalysts is an essential process, as these dyes can be potentially discharged in wastewater and threaten aquatic and xerophyte life. Therefore, their complete mineralization into nontoxic components (water and salt) is necessary through the process of heterogeneous photocatalysis. In this study, Zr/CrO2 (Zirconium-doped chromium IV oxide) nanocomposite-based photocatalysts with different compositions (1, 3, 5, 7 & 9 wt.%) were prepared by an environmentally friendly, solid-state reaction at room temperature. The as-prepared samples were calcined under air at 450 °C in a furnace for a specific period of time. The synthesis of Zr/CrO2 photocatalysts was confirmed by various techniques, including XRD, SEM, EDX, FT-IR, UV-Vis, and BET. The photocatalytic properties of all samples were tested towards the degradation of methylene blue and methyl orange organic dyes under UV light. The results revealed a concentration-dependent photocatalytic activity of photocatalysts, which increased the amount of dopant (up to 5 wt.%). However, the degradation efficiency of the catalysts decreased upon further increasing the amount of dopant due to the recombination of holes and photoexcited electrons.


ChemCatChem ◽  
2013 ◽  
Vol 5 (8) ◽  
pp. 2278-2287 ◽  
Author(s):  
Hengquan Yang ◽  
Zhancheng Ma ◽  
Ting Zhou ◽  
Wenjuan Zhang ◽  
Jianbin Chao ◽  
...  

ChemistryOpen ◽  
2016 ◽  
Vol 5 (6) ◽  
pp. 525-530 ◽  
Author(s):  
Fabienne Gschwind ◽  
Dominik Steinle ◽  
Daniel Sandbeck ◽  
Celine Schmidt ◽  
Elizabeth von Hauff

2012 ◽  
Vol 22 (25) ◽  
pp. 12915 ◽  
Author(s):  
Lina Han ◽  
Dejun Wang ◽  
Jiabao Cui ◽  
Liping Chen ◽  
Tengfei Jiang ◽  
...  

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