نتایج جستجو برای: mesoporous adsorbent

تعداد نتایج: 18294  

Journal: :Journal of Cleaner Production 2021

The present report is an outcome of investigations to assess the adsorptive potential a synthesized metal- and halide-free variant ordered mesoporous carbon (OMC) towards anionic azo dye, Methyl Orange. results preliminary studies, carried out in batch mode, helped setting up process variables achieve optimum adsorption conditions. experimental data were then fitted Langmuir, Freundlich, Temkin...

2014
Dawei Su Xiuqiang Xie Paul Munroe Shixue Dou Guoxiu Wang

Mesoporous Co3O4 nanoplates were successfully prepared by the conversion of hexagonal β-Co(OH)2 nanoplates. TEM, HRTEM and N2 sorption analysis confirmed the facet crystal structure and inner mesoporous architecture. When applied as anode materials for lithium storage in lithium ion batteries, mesoporous Co3O4 nanocrystals delivered a high specific capacity. At 10 C current rate, as-prepared me...

Journal: :journal of ultrafine grained and nanostructured materials 2013
mahdi yeganeh mohsen saremi ahmad keyvani

in this research, mesoporous silica was applied as the host of corrosion inhibitor (molybdate). the loaded mesoporous silica was dispersed in an epoxy matrix. the composite was then coated on the mild steel plate. results showed that the corrosion resistance of the scratched epoxy/mesoporous silica loaded by molybdate was better than the one without molybdate or neat epoxy. on the other hand, e...

2013
Jianhua Zhang Yufang Zhu Jie Li Min Zhu Cuilian Tao Nobutaka Hanagata

We have prepared multifunctional magnetic mesoporous Fe-CaSiO3 materials using triblock copolymer (P123) as a structure-directing agent. The effects of Fe substitution on the mesoporous structure, in vitro bioactivity, magnetic heating ability and drug delivery property of mesoporous CaSiO3 materials were investigated. Mesoporous Fe-CaSiO3 materials had similar mesoporous channels (5-6 nm) with...

2015
Chengzhen Wei Cheng Cheng Junhong Zhao Zhangtao Wang Haipeng Wu Kaiyue Gu Weimin Du Huan Pang

Mesoporous ZnS-NiS composites are prepared via ion- exchange reactions using ZnS as the precursor. The prepared mesoporous ZnS-NiS composite materials have large surface areas (137.9 m(2) g(-1)) compared with the ZnS precursor. More importantly, the application of these mesoporous ZnS-NiS composites as nonenzymatic glucose sensors was successfully explored. Electrochemical sensors based on meso...

2014
Xinyi Zhang Jianfeng Yao Muataz Ali Jing Wei Huanting Wang Leslie Y. Yeo James R. Friend Douglas R. MacFarlane

In this paper, we report a UV/ozone-assisted method for low temperature preparation of mesoporous TiO2 with controlled crystalline phase. The results showed that the crystallization of mesoporous TiO2 can occur at temperatures as low as 100 C under UV/ozone irradiation. Highly crystalline mesoporous anatase TiO2 was obtained after UV/ozone treatment at 200 C. The phase transformation from anata...

Journal: :Nanoscale 2011
Xiaoliang Fang Cheng Chen Zhaohui Liu Pengxin Liu Nanfeng Zheng

Hollow mesoporous silica spheres have recently attracted increasing attention. However, effective synthesis of uniform hollow mesoporous spheres with controllable well-defined pore structures for fundamental research and practical applications has remained a significant challenge. In this work, a straightforward and effective "cationic surfactant assisted selective etching" synthetic strategy w...

Journal: :Nanoscale 2013
Jin-Lin Hu Qi-Hao Yang He Lin Yu-Pei Ye Qiao He Jie-Ni Zhang Hai-Sheng Qian

Uniform SiO2@CdS mesoporous nanospheres with an average diameter of 300 nm have been synthesized successfully by a facile process. The as-prepared mesoporous composite nanospheres have a BET-specific surface area of 640 m(2) g(-1) and an average pore size of 2.82 nm. The results demonstrated that more than 60% Rhodamine B (RhB) dye in solution (4.8 mg L(-1), 50 mL) could be removed by adsorptio...

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