نتایج جستجو برای: nitrogen doped tio2

تعداد نتایج: 183882  

2016
Hamed Hajibabaei Omid Zandi Thomas W. Hamann

Figure S1. EDS spectrum of Ta-doped TiO2 as a function of ratio of cycles of TaOx to TiO2, a) 1:150, b) 1:100, and c) 1:50. d) Atomic percentage of Ta as a function of ratio of cycles of TaOx:TiO2.

Journal: :Physical chemistry chemical physics : PCCP 2015
Yohei Ishida Yasutomo Motokane Tomoharu Tokunaga Tetsu Yonezawa

Here we report a novel method for modifying commercially available TiO2 nanoparticles by a microwave-induced plasma technique. After the plasma treatment TiO2 nanoparticles showed enhanced visible absorption due to the doped W atoms, and the photocatalytic methylene blue degradation above 440 nm was successfully improved.

2014
Jingfei Luan Mengjing Chen Wenhua Hu

In this paper, ZnBiSbO4 was synthesized by a solid-state reaction method for the first time. The structural and photocatalytic properties of ZnBiSbO4 had been characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, transmission electron microscope and UV-visible spectrometer. ZnBiSbO4 crystallized with a pyroch...

Journal: :Nanoscale 2015
Xiuqiang Xie Dawei Su Jinqiang Zhang Shuangqiang Chen Anjon Kumar Mondal Guoxiu Wang

SnO2/nitrogen-doped graphene nanohybrids have been synthesized by an in situ hydrothermal method, during which the formation of SnO2 nanocrystals and nitrogen doping of graphene occur simultaneously. The as-prepared SnO2/nitrogen-doped graphene nanohybrids exhibit enhanced electrochemical performance for sodium-ion batteries compared to SnO2/graphene nanocomposites. A systematic comparison betw...

2012
Mohammed M Rahman Sher Bahadar Khan Hadi M Marwani Abdullah M Asiri Khalid A Alamry

UNLABELLED BACKGROUND CuO-TiO2 nanosheets (NSs), a kind of nanomaterials is one of the most attracting class of transition doped semiconductor materials due to its interesting and important optical, electrical, and structural properties and has many technical applications, such as in metal ions detection, photocatalysis, Chemi-sensors, bio-sensors, solar cells and so on. In this paper the sy...

2009
Robert G. Palgrave David J. Payne Russell G. Egdell

Rutile TiO2 (110) single crystals were doped with nitrogen by heating at 675 C in flowing NH3 gas. This caused a red shift in the band edge and an increase in visible region absorption. Nitrogen depth profiles obtained using dynamic secondary ion mass spectrometry (SIMS) could best be fitted by assigning three distinct diffusion coefficients. X-Ray photoelectron spectroscopy (XPS) indicated the...

2017
Xiang Gou Yating Wang Chunfei Wu Shian Liu Dong Zhao Yamei Li Saima Iram

Mn-Ce/FA (M) and Mn-Ce/FA-TiO2 (M), using fly ash (FA) with and without TiO2 as the carriers, were prepared by an integral molding technique. With the increase of TiO2 content, the rates of NO conversion and denitration of Mn-Ce/FA-TiO2 (M) increased, and the NO2 and N2O formation rates decreased. It is found that TiO2 could effectively inhibit the excessive oxidation of NO and the generation o...

Journal: :Physical chemistry chemical physics : PCCP 2015
Bingxin Zhao Jinshu Wang Hongyi Li Hong Wang Xinjian Jia Penglei Su

TiO2 mesoporous nanoparticles (NPs) doped with yttrium (Y) ions are fabricated via an environmentally friendly and facile solvothermal method to serve as a photoanode for dye sensitized solar cells (DSSCs). X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and N2 adsorption-desorption tests are used to characterize the influence of yttrium dopant on the prope...

Journal: :Journal of nanoscience and nanotechnology 2005
M A Barakat G Hayes S Ismat Shah

Co-doped TiO2 nanoparticles containing 0.0085, 0.017, 0.0255, 0.034, and 0.085 mol % Co(III) ion dopant were synthesized via sol-gel and dip-coating techniques. The effects of metal ion doping on the transformation of anatase to the rutile phase have been investigated. Several analytical tools, such as X-ray diffraction (XRD), transmission electron microscope (TEM), X-ray photoelectron spectros...

Journal: :Journal of environmental sciences 2011
Zhiqiao He Liyong Zhan Fangyue Hong Shuang Song Zhengying Lin Jianmeng Chen Mantong Jin

I-doped titanium dioxide nanospheres (I-TNSs) were synthesized via a two-step hydrothermal synthesis route, their potential for the efficient utilization of visible light was evaluated. The prepared anatase-phase I-TNSs had a bimodal porous size distribution with a Brunauer-Emmett-Teller surface area of 76 m2/g, a crystallite size of approximately 14 nm calculated from X-ray diffraction data, a...

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