نتایج جستجو برای: photocatalyst

تعداد نتایج: 4105  

Journal: :Chemical communications 2012
Shicheng Yan He Yu Nanyan Wang Zhaosheng Li Zhigang Zou

Considering light absorption by narrowing the band gap and gas capture by the mesostructure and basicity of material, an efficient artificial photosynthesis system was constructed based on a mesoporous ZnAl(2)O(4)-modified ZnGaNO photocatalyst.

Journal: :Physical chemistry chemical physics : PCCP 2016
Sachin Kumar Animesh K Ojha Donfack Patrice Brajesh S Yadav Arnulf Materny

Correction for 'One step in situ synthesis of CeO2 nanoparticles grown on reduced graphene oxide as an excellent fluorescent and photocatalyst material under sunlight irradiation' by Animesh Kumar Ojha et al., Phys. Chem. Chem. Phys., 2015, DOI: .

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Prateek Dongare Ian MacKenzie Degao Wang David A Nicewicz Thomas J Meyer

We describe here a surface-bound, oxide-based procedure for the photooxidation of a family of aromatic hydrocarbons by a phosphate-bearing flavin mononucleotide (FMN) photocatalyst on high surface area metal-oxide films.

Journal: Nanochemistry Research 2018

A magnetic NG@CoFe2O4 photocatalyst was developed via a facile hydrothermal method and characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and vibrating sample magnetometry (VSM) techniques. The CoFe2O4 nanoparticles were found to have a size between 100-150 nm and were unifo...

2016
Xu Zhang Xudong Zhao Dihua Wu Yu Jing Zhen Zhou

The 2D material single-layer MnPSe3 would be a promising photocatalyst for water splitting, as indicated by the proper positions of band edges, strong absorption in visible-light spectrum, broad applicability (pH = 0 - 7), and high carrier mobility.

Journal: :Organic & biomolecular chemistry 2015
Inna Perepichka Soumen Kundu Zoë Hearne Chao-Jun Li

A highly efficient catalytic asymmetric alkynylation of prochiral CH2 groups in tetrahydroisoquinoline was developed using copper catalyzed cross-dehydrogenative-coupling of sp(3) and sp C-H bonds with the assistance of a photocatalyst and visible light.

Journal: :Chemical science 2017
Yu Qi Shanshan Chen Mingrun Li Qian Ding Zheng Li Junyan Cui Beibei Dong Fuxiang Zhang Can Li

Ta3N5 is one of the most promising photocatalyst candidates for solar water splitting, but it still remains challenging to achieve overall water splitting via Ta3N5-based photocatalysts regardless of whether it uses a one step or two step method. Here we will address the relatively poor photocatalytic proton reduction of Ta3N5 with an effort for the promotion of charge separation via barium mod...

2011
Tai-Chou Lee

In our preliminary study, we had prepared quaternary semiconductor powder of AgxInxZnyS2x+y, a photocatalysts with a high activity. In this study, we further extended the investigation, changed the amount of indium in a series of solid solutions, and increased the photochemical activity substantially. With little adjustment of the ratios of [In]/[Ag], the hydrogen production rate of the photoca...

Journal: :Photochemistry and photobiology 2016
Ilana Sherman Yoram Gerchman Yoel Sasson Hani Gnayem Hadas Mamane

This study demonstrates the potential of a new BiOCl0.875 Br0.125 photocatalyst to disinfect Escherichia coli in water under simulated solar irradiation. Photocatalytic efficiency was examined for different photocatalyst loadings, solar wavelengths, exposure times, photocatalyst concentration × contact time (Ct) concept and with the use of scavengers. To elucidate the inactivation mechanism, we...

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