نتایج جستجو برای: α fe2o3

تعداد نتایج: 167862  

2009
Mira Ristić Stanko Popović Svetozar Musić

Mixtures containing the desired weight ratios of 2 3 -Fe O α and γ-AlOOH were homogenized in the planetary mill, then pressed into tablets and heated up to 1200 °C. All samples were characterized by X-ray diffraction, Mössbauer spectroscopy, Field emission scanning electron microscopy and Energy dispersive X-ray analysis. Two types of solid solutions of general formula 12 3 -(Al Fe ) O x x α we...

2017
Shu Chin Lee Hendrik O Lintang Leny Yuliati

Two series of Fe2O3/TiO2 samples were prepared via impregnation and photodeposition methods. The effect of preparation method on the properties and performance of Fe2O3/TiO2 for photocatalytic degradation of 2,4-dichlorophenoxyacetic acid (2,4-D) under UV light irradiation was examined. The Fe2O3/TiO2 nanocomposites prepared by impregnation showed lower activity than the unmodified TiO2, mainly...

2013
Yunhua Xu Guoqiang Jian Yihang Liu Yujie Zhu Michael R. Zachariah Chunsheng Wang

ont matter & 2013 0.1016/j.nanoen.2 thor. Tel.: +1 301 uthor. Tel.: +1 30 : [email protected] (M . Wang). ntributed equally Abstract Mesoporous Fe2O3 spherical particles with amorphous or crystalline structure were prepared at different temperatures using aerosol spray pyrolysis. The crystalline Fe2O3 (C-Fe2O3) anodes pyrolysized at 800 1C show better electrochemical performance than the amorphous Fe...

Journal: :The Journal of Physical Chemistry C 2010

Journal: :Bulletin of Materials Science 2005

Journal: :Catalysts 2023

The key to developing highly active α-Fe2O3-based photocatalysts is improve the charge separation and efficiently utilize electrons with sufficient thermodynamic energy. Herein, α-Fe2O3 nanosheets (FO) were synthesized using a metal-ion-intervened hydrothermal method then coupled SnO2 (SO) obtain SO/FO nanocomposites. Subsequently, nanosized Ag was selectively loaded on SO photo-deposition resu...

2017
Jing Hu Huiyuan Guo Junli Li Yunqiang Wang Lian Xiao Baoshan Xing

BACKGROUND Nutrient-containing nanomaterials have been developed as fertilizers to foster plant growth and agricultural yield through root applications. However, if applied through leaves, how these nanomaterials, e.g. γ-Fe2O3 nanoparticles (NPs), influence the plant growth and health are largely unknown. This study is aimed to assess the effects of foliar-applied γ-Fe2O3 NPs and their ionic co...

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